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Index

Symbols

.bash_login, Shell startup environment
.bash_logout, Shell startup environment
.bash_profile, Shell startup environment
.config, Creating a .config file
.emacs, Shell startup environment
.exrc, Shell startup environment
.fvwmrc, Shell startup environment
.htaccess, Configuring authentication modules
.inputrc, Shell startup environment
.newsrc, Shell startup environment
.ppprc, Using Options Files
.profile, Shell startup environment
.ssh, Shell startup environment
.twmrc, Shell startup environment
.Xdefaults, Shell startup environment
.xinitrc, Shell startup environment
.xsession, Shell startup environment
/bin, The File Hierarchy
/bin/false, Login shells
/boot, The File Hierarchy
/dev, The File Hierarchy
/dev/md0, Configuring RAID (using mdadm)
/dev/zero, Swap
/etc, The File Hierarchy
/etc/auto.master, Autofs and automounter
/etc/exports, The mount daemon, Exporting filesystems
/etc/fstab, Mounting and Unmounting, Physical installation, Daemon initialization
/etc/init.d/autofs, Autofs and automounter
/etc/init.d/bind, Name-server components in BIND
/etc/init.d/pcmcia, Configuring modules
/etc/init.d/rc, The /etc/init.d/rc script
/etc/inittab, Configuring /etc/inittab
/etc/ld.so.conf, ldconfig
/etc/login.defs, Shell startup environment
/etc/mdadm.conf, Configuring RAID (using mdadm)
/etc/modules.conf, Configuring modules
/etc/motd, Shell startup environment
/etc/ppp/chap-secrets, PAP Versus CHAP
/etc/ppp/ip-down, Routing Through a PPP Link
/etc/ppp/ip-up, Routing Through a PPP Link
/etc/ppp/options, Using Options Files
/etc/ppp/pap-secrets, PAP Versus CHAP
/etc/profile, Shell startup environment
/etc/rc.boot, The /etc/init.d/rc script
/etc/rcN.d, The /etc/init.d/rc script
/etc/services, Configuring inetd for use with TCP wrappers
/etc/shells, Login shells
/etc/sysctl.conf, sysctl
/lib, The File Hierarchy
/lost+found, The File Hierarchy
/proc, The File Hierarchy, Using the /proc filesystem
/proc/interrupts, Using the /proc filesystem
/proc/meminfo, Swap
/proc/mounts, The bootprocess, Mounting and Unmounting
/proc/sys/kernel, Customise, build and install a custom kernel and kernel modules (201.4)
/proc/sys/net/ipv4/ip_forward, Using the /proc filesystem, IP forwarding with IPCHAINS
/sbin, The File Hierarchy
/sbin/sulogin, When fsck is started but fails
/tmp, The File Hierarchy
/usr, The File Hierarchy
/var, The File Hierarchy
/var/named, Name-server components in BIND
/var/spool/cron/crontabs, Troubleshooting cron processes
0.0.0.0, Routing Through a Gateway
0x1bf, More about partitions tables
10/8, Private Network Addresses
127.0.0.1, The Loopback Interface
172.16/12, Private Network Addresses
192.168/16, Private Network Addresses
67, What is DHCP?
68, What is DHCP?
8.3 filename format, Creating an image for a CD-ROM

ether=, If a device doesn't work

A

ACK sweep, Description
adduser, Troubleshooting authorisation problems
AH, IPSEC
Apache
*, Name-based virtual hosting
.htaccess, Configuring authentication modules
443, Public key cryptography
?, Name-based virtual hosting
access_log, Apache access_log file
AllowOverride, Configuring authentication modules
APXS, APache eXtenSion (APXS) support tool
AuthGroupFile, Group files
AuthType, Configuring authentication modules
AuthUserFile, Configuring authentication modules
BindAddress, Name-based virtual hosting
CLF, Apache access_log file
CustomLog, Setting up a single daemon
Discretionary Access Control, Restricting client user access
DNS, Name-based virtual hosting
DocumentRoot, Name-based virtual hosting
htpasswd, User files
httpd -l, Run-time loading of modules (DSO)
IP-based virtual hosting, IP-based virtual hosting
libssl.so, How to create a SSL server Certificate
Limit, Configuring authentication modules
Listen, Name-based virtual hosting
Mandatory Access Control, Restricting client user access
MaxClients, Configuring Apache server options
MaxKeepAliveRequests, Configuring Apache server options
MaxSpareServers, Configuring Apache server options
MinSpareServers, Configuring Apache server options
modules, Modularity
mod_access, Restricting client user access
mod_auth, Restricting client user access
mod_auth_anon, Restricting client user access
mod_auth_digest, Restricting client user access
mod_ssl, Various Apache and SSL related projects, Apache with mod_ssl
multiple daemons, IP-based virtual hosting
Name-base virtual hosting, Name-based virtual hosting
NameVirtualHost, Name-based virtual hosting
OpenSSL, Various Apache and SSL related projects
PerlSetVar, Configuring mod_perl
Redirect, Customizing file access
Require valid-user, Configuring authentication modules
ServerAdmin, Setting up a single daemon
ServerAlias, Name-based virtual hosting
ServerName, Name-based virtual hosting
ServerRoot, IP-based virtual hosting
SSLCertificateFile, How to create a SSL server Certificate
SSLCertificateKeyFile, How to create a SSL server Certificate
SSLeay, Various Apache and SSL related projects
StartServers, Configuring Apache server options
TransferLog, Setting up a single daemon
User, IP-based virtual hosting
virtual hosting and SSL, IP-based virtual hosting
VirtualHost, Name-based virtual hosting
apsfilter, Using a Windows printer from Linux
APXS, APache eXtenSion (APXS) support tool
ARP
cache, arp and arpwatch
proxy, Routing Through a PPP Link
arp, ifconfig, arp and arpwatch
arpwatch, arp and arpwatch
ATS0=3, PPP Server
Attacks
DoS, Description
SYN, Description
automount, Autofs and automounter, NFS client: software and configuration

B

backup
plan, Where?
testing, How?
verifying, How?
badblocks, fsck (fsck.*)
bind, Name-server components in BIND
#, Syntax
//, Syntax
;, Syntax
@, Predefined zone statements, The db.local file
allow-query, Configuring the master on privdns
allow-transfer, Configuring the master on privdns
category, The logging statement
chrooted, Split DNS: two DNS servers on one machine
current origin, The db.127 file
db.127, The db.127 file
db.local, The db.local file
dialup, The options statement
directory, The options statement
exworks, Internal DNS
fetch-glue, Configuring the internal name server
file, Syntax
forward, The options statement
forward first;, The options statement
forward only;, The options statement
forwarders, Syntax, The options statement, Configuring DNS on liongate
heartbeat-interval, Limiting negotiations
hint, The hints file
jail, Configuring the internal name server
localhost, The db.local file
named.conf, The named.conf file
named.pid, Configuring the internal name server
options, The options statement
recursion, Configuring the internal name server
reload, Controlling named with a start/stop script
resolv.conf, Configuring the master on privdns
SIGHUP, Sending signals to named
slave, Alternatives
stand-alone master, Split DNS: stand-alone internal master
start, Controlling named with a start/stop script
stop, Controlling named with a start/stop script
version, The options statement
zone file, Predefined zone statements
{, Syntax
}, Syntax
BIOS, The bootstrap process
blacklisting, Description
blank, Write the CD-image to a CD
boot, Configuring /etc/inittab
boot drive, The bootstrap process
boot option
initrd=, The bootprocess
boot sequence, The bootprocess
booting
(nothing), LILO errors
/boot/boot.0300, LILO backup files
/boot/boot.b, Booting from disk or partition, LILO backup files
/boot/map, Booting from disk or partition
/etc/fstab, Daemon initialization
/etc/inittab, Daemon initialization
/etc/lilo.conf, Booting from disk or partition
/etc/rc.d, Daemon initialization
/sbin/lilo, Booting from disk or partition, LILO backup files
10 bits, More about partitions tables
1024 cylinders, More about partitions tables
boot loader, Recognizing the four stages during boot
boot partition, Booting from disk or partition
boot sectors, Booting from disk or partition
bootloader, The bootstrap process
Bootmagic, Booting from disk or partition
BOOTP, Booting from CD-ROM and networks
bootsector, Booting from disk or partition
CDROM, Booting from CD-ROM and networks
choose device, Booting from CD-ROM and networks
CHS, Booting from disk or partition
daemon initialization, Recognizing the four stages during boot
debugging, Troubleshooting - a word of caution
DHCP, Booting from CD-ROM and networks
disk not supported, LILO errors
dmesg, Recognizing the four stages during boot
El Torito, Booting from CD-ROM and networks
fdisk, Booting from disk or partition
first 446 bytes, Booting from disk or partition
first stage loader, LILO backup files
floppy, Booting from disk or partition
four stages, Recognizing the four stages during boot
fsck, Daemon initialization
geometry mismatch, LILO errors
getty, Daemon initialization
GRUB, Kernel loading, Booting from disk or partition
hard disk, Booting from disk or partition
hardware initialization, Recognizing the four stages during boot
ignoring BIOS, More about partitions tables
init, Daemon initialization
initdefault, Daemon initialization
kernel, Kernel loading
kernel loading, Recognizing the four stages during boot
kernel location, Booting from disk or partition
L (error), LILO errors
L 01, LILO errors
LBA, More about partitions tables
LI, LILO errors
LIL, LILO errors
LIL-, LILO errors
LIL?, LILO errors
LILO, The bootstrap process, Kernel loading, Booting from disk or partition, LILO errors
LILO backup of bootsector, LILO backup files
LILO first stage, Booting from disk or partition
LILO in MBR, The LILO install locations
LILO in partition, The LILO install locations
LILO second stage, Booting from disk or partition
Linux, The bootstrap process
loader, Kernel loading
MBR, Booting from disk or partition
multi-user mode, Daemon initialization
next device, The bootstrap process
NFS, Booting from CD-ROM and networks
partition sector, Booting from disk or partition
partition table, Booting from disk or partition
ramdisk word, Kernel loading
ring buffer, Recognizing the four stages during boot
root filesystem, Kernel loading
runlevel, Daemon initialization
second stage boot loader, LILO backup files
single-user mode, Daemon initialization
startup message, Booting from disk or partition
sysinit, Daemon initialization
TFTP, Booting from CD-ROM and networks
UDP, Booting from CD-ROM and networks
bootloader, The bootstrap process
bootstrap process, The bootstrap process
bootwait, Configuring /etc/inittab
bounce attack, Description
broadcast, The company's shared-networks and subnets
broadcast address, Ethernet Interfaces
bugtraq, Description
bus
SCSI, Write the CD-image to a CD
BUS, Write the CD-image to a CD
bzImage, Different types of kernel images

C

caching-only nameserver, A caching-only named.conf file
Carnegie Mellon, Description
CD-ROM filesystem, Creating an image for a CD-ROM
cdrecord, Write the CD-image to a CD
CERT, Description
http://www.cert.org, Website
Certificate Authority, Public key cryptography, How to create a SSL server Certificate
Certificate Signing Request, How to create a SSL server Certificate
CGI, Monitoring Apache load and performance, Configuring mod_perl
Challenge Handshake Authentication Protocol, Authentication with PPP
CHAP, PPP
chat, PPP Client
chfn, Shell startup environment
chsh, Login shells, Shell startup environment
CIAC, Description
BULLETIN, Subscribing to the mailing list
ciac-listproc@llnl.gov, Subscribing to the mailing list
NOTES, Subscribing to the mailing list
SPI-ANNOUNCE, Subscribing to the mailing list
SPI-NOTES, Subscribing to the mailing list
subscribing, Subscribing to the mailing list
unsubscribe, Unsubscribing from the mailing list
COLUMNS, Core system variables
Common Log Format, Apache access_log file
Common Name, How to create a SSL server Certificate
Configuring
Apache, Configuring Apache server options
Apache Authentication Modules, Configuring authentication modules
Apache mod_perl, Configuring mod_perl
Apache mod_php, Configuring mod_php support
apsfilter, Using a Windows printer from Linux
bind, DNS (207)
disks, Physical installation
kernel modules, Configuring modules
LDAP Authentication, pam_ldap
Linux Kernel, Creating a .config file
Linux kernel options, Configuring kernel options
Logical Volume Manager, Configuring Logical Volume Management
Network Interface, Configuring the network interface
NFS, Setting up NFS
NIS Authentication, pam_nis
Openswan, IPSEC
PAM, How does it work?
PPP, Using Options Files
RAID, Configuring RAID (204.1)
Samba, An example of the functionality we wish to achieve
SMB Server, What is Samba? , NFS - The Network File System
Web Server, Implementing a Web Server (208.1)
CONFIG_KMOD, Enabling kmod
CONFIG_MODULES, Enabling kmod
cpio, cpio
Creating
filesystem, Creating Filesystems
SSL Server Certificate, How to create a SSL server Certificate
Cricket, Monitoring Apache load and performance
crtscts, PPP Server
Cryptography
Public Key, Public key cryptography
CTRL-ALT-DEL, Configuring /etc/inittab
ctrl-alt-del, sysctl
ctrlaltdel, Configuring /etc/inittab
custom kernel, Building A Custom Kernel
cylinder, Physical installation
cylinder 0, The bootstrap process

D

dd, Making a copy of a data CD, dd
debugfs, Maintaining a Linux Filesystem (203.2)
default gateway, Routing Through a Gateway
default route, Routing Through a Gateway
deluser, Troubleshooting authorisation problems
depmod, Linux Kernel (201)
device or resource busy, rmmod
DHCP, What is DHCP?
BOOTP, Static BOOTP hosts
Client, What is DHCP?
client identifier, Static hosts
default-lease-time, Leases
dhcpd.conf, How is the server configured?
dhcpd.leases, Leases
domain-name-servers, The global parameters for services
ethernet address, Static hosts
Global Parameters, What are (global) parameters?
group declaration, What is a group declaration?
host declaration, What is a host declaration?
IP-address, An example
max-lease-time, Leases
nntp-server, The global parameters for services
Normal Parameters, What are (global) parameters?
option, The global parameters for services
pop-server, The global parameters for services
relaying, What is DHCP-relaying?
reload, Reloading the DHCP-server after making changes
Server, What is DHCP?
shared network, What is a shared-network declaration?
smtp-server, The global parameters for services
Static Host, Static hosts
subnet declaration, What is a subnet declaration?
dhcrelay, What is DHCP-relaying?
dial-in, PPP
directory blocks, Filesystems
Disk, Disk
dmesg, Physical installation
DNAT, Adding targets
DNS, Name-server components in BIND
documentation
/usr/doc, Getting help
/usr/man, Getting help
/usr/share/doc, Getting help
DoS Attack, Description
DoS Attacks
IP address spoofing, Description
Network Ingress Filtering, Description
Packet Flooding, Description
SYN, Description
sysctl, Using /proc/sys/net/ipv4 (sysctl) to prevent simple DOS attacks
DOS extended partition, Extended partitions
DOS partition table, More about partitions tables
DoS with IP address spoofing, Description
DSA-key, Host keys
dumpe2fs, Maintaining a Linux Filesystem (203.2), dumpe2fs
Dynamic Shared Objects, Run-time loading of modules (DSO)

E

echo, Core system variables
El Torito, Booting from CD-ROM and networks
ELF, Shared libraries
emacs, Shell startup environment, Editors
env, Core system variables
ESP, IPSEC
eth0, Ethernet Interfaces
ethernet interface, Ethernet Interfaces
exportfs, The mount daemon, The exportfs command
ext2, Creating Filesystems

F

FAT, Mounting and Unmounting
fdisk, Configuring Logical Volume Management
filesystems, Filesystems
filter, Tables and Chains
format, Creating Filesystems
fortune, Shell startup environment
FORWARD, Tables and Chains
forwarding, Port and/or IP forwarding
free, Swap
fsck, When fsck is started but fails , Maintaining a Linux Filesystem (203.2), fsck (fsck.*)
-a, fsck (fsck.*)
-A, fsck (fsck.*)
-c, fsck (fsck.*)
-C, fsck (fsck.*)
-f, fsck (fsck.*)
-n, fsck (fsck.*)
-p, fsck (fsck.*)
-R, fsck (fsck.*)
-y, fsck (fsck.*)
FTP, squid
Active, Active mode
connection modes, FTP connection modes
firewalll, Enabling connections through a firewall
Passive, Passive mode
Fully Qualified Domain Name, How to create a SSL server Certificate

G

gateway, Routing Through a Gateway
getty, Configuring /etc/inittab
ghostscript, Using a Windows printer from Linux
google, Getting help
gopher, squid
groupadd, Shell startup environment
GRUB, GRUB explained , Influencing the regular boot process , Kernel loading

H

HDLC, PPP
HFS, Creating an image for a CD-ROM
HOME, Core system variables, Shell startup environment
host_access, /etc/hosts.allow and /etc/hosts.deny
http proxy, Web-caches
https, Public key cryptography

I

ICMP, ping, The Firm's network with IPCHAINS
ID, Write the CD-image to a CD
IDE, Physical installation
IDS, Description
ifconfig, Configuring the network interface, ifconfig
IFS, Core system variables
IKE, IPSEC
indirection blocks, Filesystems
inetd, What do TCP wrappers do?
protocol, Configuring inetd for use with TCP wrappers
server program, Configuring inetd for use with TCP wrappers
server program parameters, Configuring inetd for use with TCP wrappers
service name, Configuring inetd for use with TCP wrappers
socket type, Configuring inetd for use with TCP wrappers
user, Configuring inetd for use with TCP wrappers
wait, Configuring inetd for use with TCP wrappers
inetd.conf, Configuring inetd for use with TCP wrappers
init
order of scripts, The /etc/init.d/rc script
init scripts, The /etc/init.d/rc script
initdefault, Configuring /etc/inittab, Daemon initialization
initial RAM disk, The initial ram disk (initrd)
initrd, Linux Kernel (201), The initial ram disk (initrd)
manual creation, Manual initrd creation
mkinitrd, Create initrd using mkinitrd
inode, Filesystems
INPUT, Tables and Chains
INPUTRC, Shell startup environment
insmod, Linux Kernel (201), insmod
interval between checks, tune2fs
Intrusion Detection, Description
IP, Configuring the network interface
Category 1, Private Network Addresses
Category 2, Private Network Addresses
Category 3, Private Network Addresses
forwarding, IP forwarding with IPCHAINS
Masquerading, IP Masquerading with IPCHAINS
private, Private Network Addresses
public, Private Network Addresses
IP Addresses
automatic assignment, Choosing IP Addresses
IPCHAINS
ACCEPT, IPCHAINS, an overview
DENY, IPCHAINS, an overview
FORWARD, IPCHAINS, an overview
INPUT, IPCHAINS, an overview
MASQ, IPCHAINS, an overview
OUTPUT, IPCHAINS, an overview
REDIRECR, IPCHAINS, an overview
RETURN, IPCHAINS, an overview
ipchains, IP Masquerading with IPCHAINS
IPCP, PPP
IPSEC, VPN Types, IPSEC
IPTABLES, Implementation
FILTER, The “filter” table
MANGLE, The “mangle” table
NAT, The “nat” table
statefull, Connection tracking: Stateful Firewalling
iptables
--state, Connection tracking: Stateful Firewalling
ACCEPT, Adding targets
DNAT, Adding targets
DROP, Adding targets
extended modules, Adding targets
filter, Tables and Chains
FORWARD, Tables and Chains
forwarding, Port and/or IP forwarding
icmp, Adding matching modules
INPUT, Tables and Chains
ip_conntrack, Connection tracking: Stateful Firewalling
ip_conntrack_ftp, Connection tracking: Stateful Firewalling
limit, Adding matching modules
LOG, Adding targets
mac, Adding matching modules
mangle, Tables and Chains
MARK, Adding targets
mark, Adding matching modules
MASQUERADE, Adding targets
matching modules, Adding matching modules
MIRROR, Adding targets
multiport, Adding matching modules
NAT, Tables and Chains
NF_ACCEPT, Netfilter “hooks”
NF_DROP, Netfilter “hooks”
NF_QUEUE, Netfilter “hooks”
NF_REPEAT, Netfilter “hooks”
NF_STOLEN, Netfilter “hooks”
OUTPUT, Tables and Chains
owner, Adding matching modules
POSTROUTING, Tables and Chains
PREROUTING, Tables and Chains
QUEUE, Adding targets
REDIRECT, Adding targets
REJECT, Adding targets
restore, Saving And Restoring Firewall Rules
RETURN, Adding targets
save, Saving And Restoring Firewall Rules
SNAT, Adding targets
state, Adding matching modules
targets, Adding targets
tcp, Adding matching modules
TOS, Adding targets
tos, Adding matching modules
udp, Adding matching modules
unclean, Adding matching modules
iptables-restore, Saving And Restoring Firewall Rules
iptables-save, Saving And Restoring Firewall Rules
IPXCP, PPP
ip_conntrack, Connection tracking: Stateful Firewalling
ip_conntrack_ftp, Connection tracking: Stateful Firewalling
iso9660, Mounting and Unmounting
ISO9660, Creating an image for a CD-ROM

K

kbdrequest, Configuring /etc/inittab
Kernel
Linux, Linux Kernel (201)
kernel
bzImage, Kernel Components (201.1)
compression, Different types of kernel images
monolithic, Different types of kernel images
zImage, Kernel Components (201.1)
kernel modules, What are kernel modules, Using kernel modules
alias, Configuring modules
depfile=, Configuring modules
install, Configuring modules
keep, Configuring modules
location, What are kernel modules
options, Configuring modules
path=, Configuring modules
post-install, Configuring modules
post-remove, Configuring modules
pre-install, Configuring modules
pre-remove, Configuring modules
remove, Configuring modules
kerneld, What are they?
kmod, What are they?

L

LBA, More about partitions tables
LCP, PPP Client
ld, How the dynamic linker locates shared objects
ld-linux.so, How the dynamic linker locates shared objects
ld.so, Shared libraries
LDAP
RFC 2116, What is it?
RFC 2251, What is it?
ldconfig, ldconfig
ldd, How the dynamic linker locates shared objects
LD_LIBRARY_PATH, How the dynamic linker locates shared objects
LILO, The bootstrap process, Kernel loading
Linux, Linux Kernel (201)
boot process, The Linux boot process can be logically divided into seven parts. They are as follows:
cleaning the kernel, Cleaning the kernel
compile, Linux Kernel (201)
configure, Linux Kernel (201)
directory structure, The File Hierarchy
disks, Physical installation
file hierarchy, The File Hierarchy
init, The bootprocess
kernel documentation, Kernel Components (201.1)
kernel image, Kernel Components (201.1)
kernel modules, lsmod
kernel parameters, Passing parameters to the kernel
kernel patching, Patching a Kernel (201.3)
kernel sources, Getting the kernel sources
lockd, The lock daemon
Logical Volume Manager, Configuring Logical Volume Management
maximum kernel size, Different types of kernel images
NFS Client, Configuring the kernel for NFS
NFS Client v3, Configuring the kernel for NFS
NFS Server, Configuring the kernel for NFS
NFS Server v3, Configuring the kernel for NFS
system recovery, System recovery (202.2)
linux
support, Getting help
Linux firewall, Implementation
linuxrc, The bootprocess
lo, The Loopback Interface
Logical Volume, Configuring Logical Volume Management
login, Shell startup environment
LOGNAME, Core system variables
loop mount, Test the CD-image
loopback interface, The Loopback Interface
lpr, Using lpr
lsmod, Linux Kernel (201), lsmod
LUN, Write the CD-image to a CD
lvcreate, Configuring Logical Volume Management
lvm, Configuring Logical Volume Management
lvol, Configuring Logical Volume Management

M

major release, Identifying stable and development kernels and patches
make bzImage, make zImage/bzImage
make clean, make clean
make config, make config
make gconfig, make xconfig and gconfig
make menuconfig, make menuconfig
make modules, make modules
make modules_install, make modules_install
make oldconfig, make oldconfig
make xconfig, make xconfig and gconfig
make zImage, make zImage/bzImage
making a filesystem, Filesystems
mangle, Tables and Chains
MANPATH, Core system variables
Masquerading, IP Masquerading with IPCHAINS
MD, Software RAID
mdadm, Configuring RAID (using mdadm)
mgetty, PPP Server
minor release, Identifying stable and development kernels and patches
mirroring, RAID levels
mkfs, Creating Filesystems
mkfs.ext2, Creating Filesystems
mkisofs, Creating an image for a CD-ROM
mkswap, Swap
modinfo, Linux Kernel (201), modinfo
modprobe, Linux Kernel (201), modprobe
modules, Linux Kernel (201)
mount, Mounting and Unmounting, NFS client: software and configuration
mount count, tune2fs
MRTG, Monitoring Apache load and performance
MTU, Ethernet Interfaces
multi-user runlevels, What happens next, what does /sbin/init do?

N

named, Name-server components in BIND
named.conf, Name-server components in BIND
NAT, Network Address Translation (NAT) , Tables and Chains
ncd, Name-server components in BIND
net.ipv4.ip_forward, sysctl
netfilter, Implementation
hooks, Netfilter “hooks”
netmask, Ethernet Interfaces
Network, Remote/Network storage
Network Address Translation, Network Address Translation (NAT)
Network Ingress Filtering, Description
network scanning, Description
NFS, The Loopback Interface, NFS - The Network File System
--all, The showmount command
--directories, The showmount command
--exports, The showmount command
-r, Activating an export list
-ua, Deactivating an export list
1024, NFS client: software and configuration
4096, NFS client: software and configuration
8192, NFS client: software and configuration
all_squash, Export options
bg, NFS client: software and configuration
client, Client, Server or both?
fg, NFS client: software and configuration
file handles, Best NFS version
firewall, Limiting access
hard, NFS client: software and configuration
intr, NFS client: software and configuration
kernel, Requirements for NFS
kernel space, The NFS daemon
mount, NFS client: software and configuration
NFSSVC_MAXBLKSIZE, NFS client: software and configuration
nfsvers=, NFS client: software and configuration
noatime, NFS client: software and configuration
noauto, NFS client: software and configuration
noexec, NFS client: software and configuration
nointr, NFS client: software and configuration
nosuid, NFS client: software and configuration
no_all_squash, Export options
no_root_squash, Export options
portmapper, Requirements for NFS
portmapper security, The portmapper
retry=, NFS client: software and configuration
ro, Export options, NFS client: software and configuration
root_squash, Export options
rpc.lockd, The nfs-utils package
rpc.mountd, The nfs-utils package
rpc.nfsd, The nfs-utils package
rpc.statd, The nfs-utils package
rsize, NFS client: software and configuration
rw, Export options, NFS client: software and configuration
securing, Securing NFS
server, Client, Server or both?
SIGHUP, The exportfs command
soft, NFS client: software and configuration
squashing, Export options
tcp, NFS client: software and configuration
timeo=, NFS client: software and configuration
udp, NFS client: software and configuration
user space, The NFS daemon
version 4, Best NFS version
without portmapper, The portmapper
wsize, NFS client: software and configuration
nfsstat, The nfsstat command
NIC address, What is a host declaration?
NIS, The Loopback Interface
nmap, Description
-P0, Using the nmap command
ACK sweep, Description
bounce attack, Description
network scanning, Description
NULL Scan, Description
options, Using the nmap command
ping sweep, Description
reverse-ident, Description
SYN sweep, Description
TCP SYN, Description
testing a firewall, Description
Xmas Tree, Description
nsswitch.conf, Name-server components in BIND
NULL Scan, Description

O

objdump, ldconfig
odd-numbered releases, Identifying stable and development kernels and patches
off, Configuring /etc/inittab
once, Configuring /etc/inittab
ondemand, Configuring /etc/inittab
open relay, Description
how to test, Testing for open mail relaying
IPCHAINS, Testing for open mail relaying
IPTABLES, Testing for open mail relaying
OpenLDAP, What is it?
openssl, How to create a SSL server Certificate
Openswan, IPSEC
Optical Media, Optical Media
OUTPUT, Tables and Chains

P

Packet Flooding, Description
PAGER, Core system variables
PAM
account, pam_unix
auth, pam_unix
login, How does it work?
nullok, pam_unix
optional, How does it work?
pam.conf, How does it work?
pam_ldap.so, pam_ldap
pam_nis.so, pam_nis
passwd, How does it work?
password, pam_unix
required, How does it work?
requisite, How does it work?
session, pam_unix
ssh, How does it work?
sufficient, How does it work?
try_first_pass, pam_unix
use_first_pass, pam_unix
panic, Customise, build and install a custom kernel and kernel modules (201.4)
PAP, PPP
partition, Filesystems, Physical installation
4, Extended partitions
extended, Extended partitions
logical, Extended partitions
primary, Extended partitions
type, More about partitions tables
partition table entry, More about partitions tables
partition type
0 Empty , More about partitions tables
1 FAT12 , More about partitions tables
10 OPUS , More about partitions tables
11 Hidden FAT12 , More about partitions tables
12 Compaq diagnost , More about partitions tables
14 Hidden FAT16 <3 , More about partitions tables
16 Hidden FAT16 , More about partitions tables
17 Hidden HPFS/NTF , More about partitions tables
18 AST Windows swa , More about partitions tables
1b Hidden Win95 FA , More about partitions tables
1c Hidden Win95 FA , More about partitions tables
1e Hidden Win95 FA , More about partitions tables
2 XENIX root , More about partitions tables
24 NEC DOS , More about partitions tables
3 XENIX usr , More about partitions tables
3c Partition TypeMagic , More about partitions tables
4 FAT16 <32M , More about partitions tables
40 Venix 80286 , More about partitions tables
41 PPC PReP Boot , More about partitions tables
42 SFS , More about partitions tables
4d QNX4.x , More about partitions tables
4e QNX4.x 2nd part , More about partitions tables
4f QNX4.x 3rd part , More about partitions tables
5 Extended , More about partitions tables
50 OnTrack DM , More about partitions tables
51 OnTrack DM6 Aux , More about partitions tables
52 CP/M , More about partitions tables
53 OnTrack DM6 Aux , More about partitions tables
54 OnTrackDM6 , More about partitions tables
55 EZ-Drive , More about partitions tables
56 Golden Bow , More about partitions tables
5c Priam Edisk , More about partitions tables
6 FAT16 , More about partitions tables
61 SpeedStor , More about partitions tables
63 GNU HURD or Sys , More about partitions tables
64 Novell Netware , More about partitions tables
65 Novell Netware , More about partitions tables
7 HPFS/NTFS , More about partitions tables
70 DiskSecure Mult , More about partitions tables
75 PC/IX , More about partitions tables
8 AIX , More about partitions tables
80 Old Minix , More about partitions tables
81 Minix / old Lin , More about partitions tables
82 Linux swap , More about partitions tables
83 Linux , More about partitions tables
84 OS/2 hidden C: , More about partitions tables
85 Linux extended , More about partitions tables
86 NTFS volume set , More about partitions tables
87 NTFS volume set , More about partitions tables
9 AIX bootable , More about partitions tables
93 Amoeba , More about partitions tables
94 Amoeba BBT , More about partitions tables
a OS/2 Boot Manag , More about partitions tables
a0 IBM Thinkpad hi , More about partitions tables
a5 BSD/386 , More about partitions tables
a6 OpenBSD , More about partitions tables
a7 NeXTSTEP , More about partitions tables
b Win95 FAT32 , More about partitions tables
b7 BSDI fs , More about partitions tables
b8 BSDI swap , More about partitions tables
c Win95 FAT32 (LB , More about partitions tables
c1 DRDOS/sec (FAT- , More about partitions tables
c4 DRDOS/sec (FAT- , More about partitions tables
c6 DRDOS/sec (FAT- , More about partitions tables
c7 Syrinx , More about partitions tables
db CP/M / CTOS / . , More about partitions tables
e Win95 FAT16 (LB , More about partitions tables
e1 DOS access , More about partitions tables
e3 DOS R/O , More about partitions tables
e4 SpeedStor , More about partitions tables
eb BeOS fs , More about partitions tables
f Win95 Ext'd (LB , More about partitions tables
f1 SpeedStor , More about partitions tables
f2 DOS secondary , More about partitions tables
f4 SpeedStor , More about partitions tables
fd Linux raid auto , More about partitions tables
fe LANstep , More about partitions tables
ff BBT , More about partitions tables
Password Authentication Protocol, Authentication with PPP
patch, Linux Kernel (201), Patching a Kernel (201.3), Patching a kernel
--quiet, Patching a kernel
--remove-empty-files, Patching a kernel
--reverse, Patching a kernel
--silent, Patching a kernel
--strip, Patching a kernel
-E, Patching a kernel
-p, Patching a kernel
-R, Patching a kernel
-s, Patching a kernel
patch level, Identifying stable and development kernels and patches
PATH, Core system variables
PEM, How to create a SSL server Certificate
PHP, Configuring mod_php support
Physical Extents, Configuring Logical Volume Management
Physical Volume, Configuring Logical Volume Management
ping, ifconfig
ping sweep, Description
PKC, Public key cryptography
Port mapping, Description
Port redirection, Port Redirection with IPCHAINS
portsentry
Advanced Logic Mode, Run modes
Advanced Stealth UDP scan detection, Run modes
Advanced TCP stealth scan detection, Run modes
basic port-bound TCP mode, Run modes
basic port-bound UDP mode, Run modes
Stealth TCP scan detection, Run modes
Stealth UDP scan detection, Run modes
POSTROUTING, Tables and Chains
powerfail, Configuring /etc/inittab
powerfailnow, Configuring /etc/inittab
powerokwait, Configuring /etc/inittab
powerwait, Configuring /etc/inittab
PPP, Routing Through a Gateway, PPP
Account, PPP Server
Client, PPP Client
Server, PPP Server
ppp0, PPP Client
pppd, PPP
PREROUTING, Tables and Chains
Print Services for Unix, Using lpr
printcap, Using a Windows printer from Linux
printers, Using Samba
Private Network Addresses, Private Network Addresses
procfs, sysctl
proper editor, Editors
PS1, Core system variables
PS2, Core system variables
PS3, Core system variables
PS4, Core system variables

R

RAID, What is RAID?
0, RAID levels
1, RAID levels
4, RAID levels
5, RAID levels
hardware, Hardware RAID
Linear, RAID levels
software, Software RAID
raidstart, Configuring RAID (using mdadm)
readline, Shell startup environment
reboot, What happens next, what does /sbin/init do?
removing a patch, Removing a kernel patch from a production kernel
reserved blocks, tune2fs
respawn, Configuring /etc/inittab
reverse zone, Zones and reverse zones
reverse-ident, Description
RFC1256, The Firm's network with IPCHAINS
RFC1631, Network Address Translation (NAT)
RFC2827, Description
RFC792, The Firm's network with IPCHAINS
RFC950, The Firm's network with IPCHAINS
rmmod, Linux Kernel (201), rmmod
rndc, The rndc program
Rock Ridge, Creating an image for a CD-ROM
rogue host, arp and arpwatch
ROM, The bootstrap process
root filesystem
Linux, Manual initrd creation
route, Configuring the network interface, route, IP Masquerading with IPCHAINS
routing, Routing Through a Gateway
routing table, Configuring the network interface
ROWS, Core system variables
RPC, The Loopback Interface, Configuring the kernel for NFS
rpcinfo, rpcinfo
RRDtool, Monitoring Apache load and performance
RSA, How to create a SSL server Certificate
RSA-key, Host keys
Rsync, Rsync
runlevel, What happens next, what does /sbin/init do?
runlevel 1, What happens next, what does /sbin/init do?
runlevel 2-5, What happens next, what does /sbin/init do?
runlevel 6, What happens next, what does /sbin/init do?
runlevel s, What happens next, what does /sbin/init do?
runlevel S, What happens next, what does /sbin/init do?

S

Samba, What is Samba?
samba
%S, Accessing Samba shares from Windows 2000
download, With smbclient
get, With smbclient
global, Accessing Samba shares from Windows 2000
homes, Accessing Samba shares from Windows 2000
inetd, Installing the Samba components
logon scripts, Creating logon scripts for clients
messaging, Sending a message with smbclient
mget, With smbclient
MS Windows quirk, Making the second connection from Windows 2000
nmbd, Installing the Samba components
nmblookup, Using nmblookup to test the WINS Server
password, Making the first connection from Windows 2000
path, Using Samba
port 137, Installing the Samba components
port 139, Installing the Samba components
printers, Accessing Samba shares from Windows 2000
printing, Using Samba
smb.conf, Accessing Samba shares from Windows 2000
smbd, Installing the Samba components
smbmount, With smbmount
smbpasswd, Installing the Samba components
smbspool, Using a Windows printer from Linux
smbstatus, Making the first connection from Windows 2000
username, Making the first connection from Windows 2000
WINS, Using Samba as a WINS Server
scp, SSH client and server
SCSI, Write the CD-image to a CD, Hardware RAID
sector 0, The bootstrap process
sector 0 of kernel, Kernel loading
security alerts, Security alerts
security vulnerabilities, Description
securityfocus, Website
SEI, Description
Server Message Block protocol, What is Samba?
set, Core system variables
set -o noclobber, Shell startup environment
set -o vi, Shell startup environment
shared libraries, Shared libraries
shared objects
-Ldir, How the dynamic linker locates shared objects
/etc/ld.so.cache, How the dynamic linker locates shared objects
/etc/ld.so.conf, ldconfig
dynamic section, ldconfig
ld -rpath, How the dynamic linker locates shared objects
ldconfig, ldconfig
ldconfig -p, How the dynamic linker locates shared objects
ldd, How the dynamic linker locates shared objects
LD_LIBRARY_PATH, How the dynamic linker locates shared objects
libc5, ldconfig
libc6, ldconfig
linkname, Naming schemes for shared objects
locating, How the dynamic linker locates shared objects
major number, Shared object version numbering
minor number, Shared object version numbering
naming schemes, Naming schemes for shared objects
objdump, ldconfig
patchlevel, Shared object version numbering
real name, Naming schemes for shared objects
soname, Naming schemes for shared objects
upgrading, Naming schemes for shared objects
version numbering, Shared object version numbering
SHELL, Core system variables
shell, Shell startup environment
SHLVL, Core system variables
showmount, Exporting filesystems, The showmount command, The showmount --exports command
single user mode, Booting into single user mode or a specific runlevel
SLIP, PPP
SMB, What is Samba?
smbclient, An example of the functionality we wish to achieve , With smbclient
smbmount, With smbmount
snapshots, LVM Snapshots
SNAT, Adding targets
Snort, Description
configuring, Description
software RAID, Software RAID
Split DNS, Split DNS: two DNS servers on one machine
split-level DNS, Internal DNS
squid, squid
-k reconfigure, squid
ACL, Access policies
authentication, Authenticators
auth_param, squid
cache_dir, squid
cache_mem, Utilizing memory usage
cache_swap, Utilizing memory usage
deny access, Redirectors
http_access, squid
http_access allow, Access policies
http_access deny, Access policies
http_port, squid
maximum_object_size, Utilizing memory usage
minimum_object_size, Utilizing memory usage
redirector, Redirectors
redirect_program, squid
squid.conf, Access policies
SSL, squid
StoreEntry, Utilizing memory usage
srm.conf, Installing the Apache web-server
SSH, VPN Types
ssh, SSH client and server
.rhosts, Host keys , The .rhosts and .shosts files
.shosts, The .rhosts and .shosts files
AllowGroups, Allow or deny non-root logins
AllowUsers, Allow or deny non-root logins
authorized_keys, User keys, public and private
Blowfish, Host keys
configure sshd, Configuring sshd
DenyGroups, Allow or deny non-root logins
DenyUsers, Allow or deny non-root logins
ForwardAgent, Enable agent forwarding
Host Keys, Host keys
id_dsa, User keys, public and private
id_dsa.pub, User keys, public and private
keys, Keys and their purpose
PasswordAuthentication, Allow or deny non-root logins
passwordless, Enabling or disabling Passwordless Authentication
PermitRootLogin, Allow or deny root logins
Port mapping, Description
Protocol, Allow or deny non-root logins
protocol version 1, Host keys
protocol version 2, Host keys
PubkeyAuthentication, Allow or deny non-root logins , Enabling or disabling Passwordless Authentication
RSA, Host keys
ssh-add, Login session
ssh-agent, ssh-agent
sshd_config, Configuring sshd
SSH_AGENT_PID, Login session
The X Window System, Enabling or disabling X forwarding
tunnel, Description
User Keys, User keys, public and private
Version, Setting the Protocol version
X Sessions, Enabling X-sessions
X11DisplayOffset, Enabling or disabling X forwarding
X11Forwarding, Enabling or disabling X forwarding
XAuthLocation, Enabling or disabling X forwarding
ssh-keygen, User keys, public and private
sshd, SSH client and server
sshd_config, Configuring sshd
SSL, Encrypted webservers: SSL
state, Connection tracking: Stateful Firewalling , Adding matching modules
Stateful Firewall, Connection tracking: Stateful Firewalling
static libraries, Shared libraries
strace, strace
striping, RAID levels
superblock, Filesystems
superblock location, debugfs
support
debian, Getting help
mandrake, Getting help
Red Hat, Getting help
SuSE, Getting help
swap, Swap
swapon, Swap
SYN Attack, Description
SYN sweep, Description
sysctl, Using sysctl, Using /proc/sys/net/ipv4 (sysctl) to prevent simple DOS attacks , sysctl
sysctl -a, sysctl
sysinit, Configuring /etc/inittab
syslog
,, syslogd
alert, syslogd
auth, syslogd
authpriv, syslogd
crit, syslogd
cron, syslogd
daemon, syslogd
emerg, syslogd
err, syslogd
ftp, syslogd
info, syslogd
kern, syslogd
local0..7, syslogd
lpr, syslogd
mail, syslogd
news, syslogd
notice, syslogd
real file, syslogd
remote host, syslogd
split log, syslogd
syslog, syslogd
target logfile, syslogd
tty, syslogd
user, syslogd
user notify, syslogd
uucp, syslogd
wall, syslogd
warning, syslogd
syslog.conf, syslogd

T

Tape, Tape
Tar, TAR
TCP SYN, Description
tcp wrapper, Securing the portmapper
TCP wrappers, What do TCP wrappers do?
/etc/hosts.allow, /etc/hosts.allow and /etc/hosts.deny
/etc/hosts.deny, /etc/hosts.allow and /etc/hosts.deny
host_access, /etc/hosts.allow and /etc/hosts.deny
inetd, What do TCP wrappers do?
inetd.conf, Configuring inetd for use with TCP wrappers
tcpd, What do TCP wrappers do?
xinetd, Configuring xinetd for use with tcp-wrappers
tcpd, What do TCP wrappers do?
tcpdump, tcpdump
telnet, The Loopback Interface
TERM, Core system variables
time-to-live, Routing Through a PPP Link
TIME_EXCEEDED, traceroute
TLS, Encrypted webservers: SSL
TMPDIR, Core system variables
traceroute, route
transparent proxy, Web-caches
Triple-DES, How to create a SSL server Certificate
troubleshooting
/etc/group, Troubleshooting authorisation problems
/etc/inittab, Troubleshooting /etc/inittab and /sbin/init
/etc/lilo.conf, Resolving initial boot problems
/etc/login.defs, Troubleshooting /etc/login.defs
/etc/modules.conf, insmod
/etc/passwd, Troubleshooting authorisation problems
/etc/profile, Troubleshooting /etc/profile
/etc/rc?.d, Troubleshooting /etc/inittab and /sbin/init
/etc/shadow, Troubleshooting authorisation problems
/proc, /proc filesystem
/proc/interrupts, Resolving IRQ/DMA conflicts
/proc/pci/, Resolving IRQ/DMA conflicts
/sbin/init, Troubleshooting /etc/inittab and /sbin/init
1024 cylinder boundary, Resolving initial boot problems
131072K, Resolving kernel boot problems
1700-1791, Resolving initial boot problems
64MB, Resolving kernel boot problems
adding a drive, Resolving initial boot problems
AT E, Troubleshooting /etc/inittab and /sbin/init
AT Q, Troubleshooting /etc/inittab and /sbin/init
authorisation, Troubleshooting authorisation problems
bad cabling, Resolving initial boot problems
blocking traffic, An example situation
booting problems, Resolving initial boot problems
boottime scripts, Troubleshooting /etc/inittab and /sbin/init
cannot login, Troubleshooting authorisation problems
carrier detect, Troubleshooting /etc/inittab and /sbin/init
components involved, An example situation
connector seating, Resolving initial boot problems
cost effectiveness, Troubleshooting - a word of caution
cron, Troubleshooting cron processes
deactivate PNP, Resolving initial boot problems
default runlevel, Troubleshooting /etc/inittab and /sbin/init
depmod, modprobe
Disk Controller Error, Resolving initial boot problems
disk geometry, Resolving initial boot problems
dmesg, dmesg
environment variables, Core system variables
export, Core system variables
fdisk, Resolving initial boot problems
firewall, An example situation
first step, An example situation
fsck, Resolving initial boot problems
fuser, fuser
getting help, Getting help
getty respawning too fast, Troubleshooting /etc/inittab and /sbin/init
hardware problems, Resolving initial boot problems
HOP, An example situation
ICMP, An example situation
IDE, Resolving initial boot problems
insmod, insmod
IRQ/DMA, Resolving kernel boot problems
IRQ/DMA conflicts, Resolving IRQ/DMA conflicts
LILO, Resolving initial boot problems
login proces, Login process
lsdev, lsdev, Resolving IRQ/DMA conflicts
lshw, lshw
lsmod, lsmod
lsof, lsof
lspci, lspci, Resolving IRQ/DMA conflicts
lsusb, lsusb
ltrace, ltrace
MBR, Resolving initial boot problems
modem, Troubleshooting /etc/inittab and /sbin/init
modprobe, modprobe
networks, Something on network troubleshooting in general
No Fixed Disk Found, Resolving initial boot problems
PANIC, Resolving kernel boot problems
physical problem, An example situation
ping, An example situation
Plug And Play, Resolving initial boot problems
rdev, Resolving initial boot problems
rescue disk, Resolving initial boot problems
routing, An example situation
SCSI, Resolving initial boot problems
setup BIOS, Resolving initial boot problems
strace, strace
strings, strings
traceroute, An example situation
UDMA, Resolving initial boot problems
uname, uname
VFS unable to mount root fs, Resolving kernel boot problems
TTL, traceroute, The Firm's network with IPCHAINS
tune2fs, Maintaining a Linux Filesystem (203.2), tune2fs, Using tune2fs
tunefs
-c, tune2fs
-C, tune2fs
-i, tune2fs
-m, tune2fs
-r, tune2fs
tunnel, What Is A VPN
tunneling, Description

U

UID, Core system variables
umount, Mounting and Unmounting
uname, Linux Kernel (201)
unmount, Mounting and Unmounting
unresolved symbol, insmod
UPS, Configuring /etc/inittab
USER, Core system variables
useradd, Troubleshooting authorisation problems
userdel, Troubleshooting authorisation problems

V

Van Jacobson, PPP
version numbering, Identifying stable and development kernels and patches
vi, Shell startup environment, Editors
vim, Editors
virtual hosting, Apache Virtual Hosting
VPN, What Is A VPN
vulnerability, Security alerts
vulnerable, PAP Versus CHAP

W

wait, Configuring /etc/inittab
web-cache, Web-caches
winpopup, Sending a message with smbclient
WINS, What is a WINS Server?

X

X.500, What is it?
XFS, Filesystems
xinetd, Configuring xinetd for use with tcp-wrappers
Xmas Tree, Description

Z

zImage, Different types of kernel images
zone, Zones and reverse zones
Copyright Snow B.V. The Netherlands
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