Questions and answers

1. File Sharing

1.1.

By which means can the smb configuration be checked?

This can be done by using testparm.

testparm

1.2.

What does root_squash do?

All requests made by the user root on the client will be executed as the user nobody on the server.

root_squash

1.3.

Why do you have to be sure that there is no space between the hostname and the user rights between braces in /etc/exports ?

As it gives all systems access with the user rights between the braces.

space

1.4.

In which file is samba configured?

Samba is configured via /etc/samba/smbd.conf

Samba config file

1.5.

What does the mount option soft do?

The system will try to perform the mount until an RPC (portmapper) timeout occurs.

soft

1.6.

What are security issues in NFS version 2?

It is possible to guess file handles and to sniff data.

Securing NFS

Copyright Snow B.V. The Netherlands