real-time monitoring of the Internet backbone's network health. |
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CertTutor.Net | practice exams and practical advice for people seeking IT certification. |
Cissps.com | web portal for certified information systems security professionals. |
Hack in the Box | an excellent collection of security resources, links, and discussions. |
the Security News Portal | the name says it all, really. |
the Port Number list | comprehensive listing of tcp and udp port assignments. |
McAfee Security | the primary anti-virus info page for McAfee VirusScan (includes latest alerts) |
Nokia Support Homepage | login page for Nokia firewall support. |
Visual Traceroute | track the physical location of any IP from this server in Virginia. |
a Firewalls FAQ | frequently asked firewall-related questions and related inquires. |
learn the ins and outs of IP addressing... subnets, classes, and more. | |
S.C.O.R.E.: Security Standards | "Security Consensus Operational Readiness Evaluation" |
Checkpoint Online | "The Worldwide Leader in Securing the Internet": Checkpoint Software's home. |
Checkpoint Config Documents | where to find a wide variety of Checkpoint Firewall-related documentation online. |
the OSI model | the 7 layers of the Open Systems Interconnect Reference Model. |
guide to IP Addressing | the best guide to IP Addressing I've seen, in Adobe Acrobat format. |