In windows, a typical firewall program may contain a driver to deal with the datagram processing. What about in Linux? Does it also need to write a Linux driver?
In windows, a typical firewall program may contain a driver to deal with the datagram processing. What about in Linux? Does it also need to write a Linux driver?
The linux firewall can only be installed via a kernel module or as part of the kernel itself. Look here for info on it, it is called ipchains: http://www.tldp.org/HOWTO/IPCHAINS-HOWTO.html
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Where can get some free implementation information about VPN?
Perhapse GOOGLE might help
search for "Linux VPN" or something
日本語が出来れば、Googleで日本語のドクスもあるよ
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ipchains has been superseded by iptables as of the 2.4 kernel.
All the buzzt!
CornedBee
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I KNEW THAT, I am going to slap myself, I looked up the link to the wrong one! Thanks for pointing it out.Originally Posted by CornedBee
The right link:
http://www.netfilter.org/
Thanks CornedBee.
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you can also program your own firewall application using netfilter hooks. it comes in handy if you want to implement an own analyzing/detection system. i think there was some phrack issue with an article about that. if not, use google.