Network security tools and appliances abound in the market, but how do you select the best security methods, devices and applications for your enterprise? This section provides product information on firewall applications, intrusion detection and prevention systems (IPS), network access control (NAC) appliances and more. Use these best practices to minimize security threats in your network.
Are you on a domain name system (DNS) blacklist database?
02 Jun 2009 EXPERT ANSWER - Many domain name system (DNS) blacklist databases exist. If your mail server or IP address has been misused you may be on them. Our networking enterprise security expert explains.
Rogue access points: Preventing, detecting and handling best practices
Submitted By: SearchNetworking.com | 28 May 2009 ASK THE EXPERT: FAQ - Rogue access points, wireless or otherwise, pose network security threats. Learn how to prevent, detect and eliminate unauthorized APs from finding their way into your network.
How to evaluate and manage UTM for network security
by Dan Sullivan, courtesy of Realtime Publishers | 16 Mar 2009 E-GUIDE EXCERPT - Find out what issues to consider for evaluating and managing unified threat management (UTM) devices for network security.
How does a firewall work?
SearchNetworking.com | 16 Feb 2009 CRASH COURSE - Learn more about firewalls and how they work in this guide.
Ethical hacking and countermeasures: Network penetration testing intro
SearchNetworking.com | 02 Jun 2009 INTERVIEW - Here enterprise security expert Michael Gregg explains network penetration testing, where the term "ethical hacking" came from, who to hire for a vulnerability assessment and more.
Network security threats solved by risk management: John Pironti explains
SearchNetworking.com | 19 May 2009 INTERVIEW - Network security threats, data breaches and a bad economy are reasons information security needs to be about risk management. Interop security track chair John Pironti explains.
packet filtering
24 Jun 2005 WORD - On the Internet, packet filtering is the process of passing or blocking packets at a network interface based on source and destination addresses, ports, or protocols. The process is used in conjunction with packet mangling ...
stateful inspection
16 Mar 2003 WORD - See also: dynamic packet filter
Stateful inspection is an advanced firewall architecture that was invented by Check Point Software Technologies in the early 1990s. Also known as dynamic packet filtering, it has replaced ...
HELLO packet
11 Jul 2002 WORD - In the Open Shortest Path First (OSPF) communications protocol - which enables network routers to share information with each other, a HELLO packet is a special packet (message) that is sent out periodically from a router to ...
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