hi. my student. help me please!

[mtheaven]

Config server firewall for
-How is it established?
-interface help?
-advantages and disadvantages

Briefly will you tell me?

[sawbuck]

http://www.configserver.com/cp/csf.html

If you want in depth information check out the readme.txt file.

https://download.configserver.com/csf/readme.txt