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How do I set up a firewall under Linux?

 Linux Security  Add comments
Dec 252009
 

How do I set up a firewall under Linux?

Answer:

In Linux, IPTables is the default firewall for kernels 2.4 and above.

IPTables is quite a complicated software which cannot be explained in just a few words, please refer to a more comprehensive howto:

https://help.ubuntu.com/community/IptablesHowTo

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