| Broadband Reports | http://www.dslreports.com/scan |
| CERT | http://www.cert.org |
| Cryptcat | http://sourceforge.net/projects/cryptcat/ |
| DoS Help | http://www.doshelp.com/dostest.htm |
| Firewalk | http://www.packetfactory.net/projects/firewalk/ |
| fragroute | http://www.monkey.org/~dugsong/fragroute/ |
| hping | http://www.hping.org |
| ID Serve | http://grc.com/id/idserve.htm |
| IEEE OUI and Company_id Assignments | http://standards.ieee.org/regauth/oui/index.shtml |
| IP Calculator / IP Subnetting | http://jodies.de/ipcalc/ |
| IP-Tools | http://www.ks-soft.net/ip-tools.eng/ |
| ISECOM Security Tools | http://www.ideahamster.org/projects/operationaltools.htm |
| John the Ripper | http://www.openwall.com/john/ |
| L0phtCrack LC4 | http://www.atstake.com/research/lc/ |
| libevent | http://www.monkey.org/~provos/libevent/ |
| LibWhisker | http://www.wiretrip.net/rfp/lw.asp |
| Netcat | http://www.atstake.com/research/tools/network_utilities/ |
| GNU Netcat | http://netcat.sourceforge.net |
| Nessus | http://www.nessus.org |
| Nikto | http://www.cirt.net/code/nikto.shtml |
| Nmap | http://www.insecure.org/nmap/ |
| The Packetfactory | http://www.packetfactory.net |
| Packetstromsecurity | http://packetstormsecurity.nl |
| Tenable Security | http://www.tenablesecurity.com |
| Razor Security | http://razor.bindview.com |
| Reverse WWW Shell | http://www.megasecurity.org/Sources/rwwwshell-1_6_perl.txt |
| Sam Spade | http://www.samspade.org |
| SANS | http://www.sans.org |
| SecurityFocus | http://www.securityfocus.com |
| SNMPwalk | http://www.ece.ucdavis.edu/ucd-snmp/ |
| Snot | http://www.stolenshoes.net/sniph/index.html |
| SSL Proxy | http://www.obdev.at/products/ssl-proxy/index.html |
| Stick | http://www.eurocompton.net/stick/projects8.html |
| Virusdot.org | http://www.governmentsecurity.org/articles/DefaultLoginsandPasswordsforNetworkedDevices.php |
| Whisker+SSL | http://www.digitaloffense.net |
