Firewall Techniques
Tuesday, April 7, 2009
Filed Under:
Laptop and Mobiles
Packet filter:
Looks at each packet entering or leaving the network and accepts or rejects it based on user-defined rules. Packet filtering is fairly effective and transparent to users, but it is difficult to configure. In addition, it is susceptible to IP spoofing.
Application gateway:
Applies security mechanisms to specific applications, such as FTP and Telnet servers. This [...]
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