| ACID: http://acidlab. sourceforge .net AirSnort: http://airsnort.shmoo.com Bastille Linux: www.bastille-linux.org CERT: www.cert.org Ethereal: www.ethereal.com FBI: www.fbi.gov Foundstone: www.foundstone.com FreeS /WAN www.freeswan.org GNU Project www.gnu.org GPG www.gnupg.org John the Ripper: www.openwall.com/john Iptables: www.netfilter.org Kismet Wireless: www.kismetwireless.net lsof: http:// freshmeat .net/projects/lsof NCC: www.netsecuritysvcs.com/ncc Nessus: www.nessus.org NessusWX: nessuswx.nessus.org NetStumbler: www.netstumbler.com Nlog: www.secureaustin.com/nlog Nmap: www. insecure .org/nmap NPI Website, Open Source Windows Forensics Tools: www.opensourceforensics.org/tools/ windows .html OpenSSH: www.openssh.org PGP: www.pgp.com PuTTY: www.chiark.greenend.org.uk/~sgtatham/putty Sam Spade for Windows: www.samspade.org/ssw Sleuth Kit: www.sleuthkit.org SmoothWall Express: www.smoothwall.org Snort: www.snort.org Snort Webmin Module: http://msbnetworks.net/snort SourceForge: www.sourceforge.net StumbVerter: www. sonar -security.com Swatch: swatch.sourceforge.net Tcpdump, Windump: www.tcpdump.org Tripwire: www.tripwire.org Turtle Firewall: www.turtlefirewall.com | 