IP
Click on the red underlined text to get to the source
... packets, the following criteria can be important when implementing a
filtering policy: source and destination IP address, source and
destination TCP port ...
... routers. This setup allows the
external router to block off any attempts to use the underlying IP
layer to break security (IP spoofing ...
... router to block off any attempts to use the underlying IP
layer to break security (IP spoofing, source routing, packet
...
... of a firewall (commercial or homegrown) requires a significant amount
of skill and knowledge of TCP/IP. Both types require regular
maintenance, installation of software patches and updates, and
regular monitoring. When budgeting for a firewall ...
... As an aside, building a "home grown" firewall requires a significant
amount of skill and knowledge of TCP/IP. It should not be trivially
attempted because a perceived sense of security is worse in the long
...
... network. This increases the risk of attacks via techniques such as
IP address spoofing, packet sniffing, etc. Users and site management
...
... S. Bellovin, "Security Problems in the TCP/IP Protocol Suite", Computer Communication Review, Vol 19, 2, pp. 32-48, April 1989. ...
... B. Chapman, "Network(In) Security Through IP Packet Filtering", USENIX: Proceedings of the Third UNIX Security ...