Linux Firewall on out of date hardware: kernel 2.2 or 2.4?
An old PC can be the ideal platform to realize a network firewall based on Linux. The system configuration needs a bit of attention but it's not a difficult task to fulfill.
The only doubt concerns which kernel version better suits our needs. The 2.2 version is said to be less memory consuming, but has a less solid filesystem and lacks other recent features. What's the right choice then?
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