Look for a Big Lots or Odd Lots near you, or maybe a Value City or some other discount store. They usually sell power strips for under $5 with a little surge protection. For $15 you can get that IBM model with four transformer adapters and four regular adapters. That is what my Windows 2000 Server uses and shares with my Linux server. I bought it before I become unemployed and was out on sick-leave. I got it from Big Lots. I think it retailed for $30 or $45 for that unit.

Linux is supposed to have some built in Firewall capabilities.

Read up on:

[link|http://www.linuxdoc.org/HOWTO/Firewall-HOWTO.html|Linuxdoc Firewall Howto]

[link|http://web.mit.edu/kerberos/www/|Kerberos]

[link|http://www.linux-firewall-tools.com/linux/|Linux Firewall and security site]

[link|http://www.snort.org/|Snort]

[link|http://www.socks.nec.com/cgi-bin/download.pl|Socks5 Download] Socks is a favorite of mine and a few others. Just make sure that you have a Socks client on your host OS.

[link|http://www.nessus.org/|Nessus]