What are the dangers?

Network, Local, Physical.

Physical

Local

Network

Clients

never run as root

don't run untrusted programs

Servers

KISS

firewall

iptables

THE Linux firewall

powerful and flexible

TCP wrappers

per application started by inetd

allows reverse DNS lookup

generally not used with iptables

Distributions

Debian – shorewall(and others)

Suse – Yast

Mandrake – Mandrake control center

Fedora – GUI for iptables

Fedora

..

Mandrake

Suse

Tripwire

builds a checksum of the file system

can configure each file seperately

2005-03-04T22:07:28