If you happen to be looking for a firewall, here is a list of free firewalls that you may choose from:
# http://bartware.co.uk/index.php?q=bwpf
# http://download.zonelabs.com/bin/free/information/znalm/zaReleaseHistory.html
# http://force.coresecurity.com/index.php?module=base&page=about
# http://forge.novell.com/modules/xfmod/project/?apparmor
# http://home.comcast.net/~jay.deboer/airsnare/index.html
# http://tinyurl.com/38ptm
# http://www.321download.com/LastFreeware/page7.html
# http://www.agnitum.com/products/outpostfree/download.php
# http://www.ashampoo-root03.com/webcache/html/1/product_2_0050_.htm
# http://www.customxml.com/
# http://www.dirfile.com/publisher/as3-soft4u.html
# http://www.drivesentry.com/
# http://www.econceptsoftware.com/xeon.html
# http://www.eeye.com/html/products/blink/personal/index.html
# http://www.filseclab.com/eng/products/firewall.htm
# http://www.fs-security.com/
# http://www.ghostsecurity.com/ghostwall/
# http://www.jetico.com/index.htm#/jpfirewall.htm
# http://www.kerio.com/kpf_home.html
# http://www.majorgeeks.com/XP_Logger_d3307.html
# http://www.majorgeeks.com/XPFiremon_d4914.html
# http://www.minutegroup.com/prodpg_safezone.htm
# http://www.minutegroup.com/prodpg_safezone_help.htm
# http://www.netveda.com/downloads/index.htm
# http://www.oldversion.com/program.php?n=sygate
# http://www.pctools.com/firewall/
# http://www.personalfirewall.comodo.com/
# http://www.primedius.com/PersonalFirewall.htm
# http://www.proxyplus.cz/features.php?lang=en
# http://www.r-firewall.com/
# http://www.securstar.com/products_swall.php
# http://www.send2press.com/newswire/2006-05-0515-004.shtml
# http://www.sensiveguard.com/
# http://www.simonzone.com/software/guarddog/
# http://www.smoothwall.org/
# http://www.softperfect.com/products/firewall/
# http://www.sphinx-soft.com/firewall/order.html
# http://www.tucows.com/preview/213160
# http://www.webmasterfree.com/tpfw.html
# http://www.sunbelt.co.uk/