SearchEnterpriseLinux: Hardening Linux: Firewall Implementation

“How do firewalls in Linux differ from the ones used in
Windows or other systems?

“James Turnbull: In their core function, Linux
and Windows firewalls do not really differ. The major difference is
how firewalls are deployed in Linux and Windows environments. In
the Windows world, host firewalling (which entails putting a
firewall on your hosts — not just adding a firewall or firewalls
into the network to protect all your hosts) is generally limited to
desktop systems using tools like Zone Alarm or the in-built Windows
XP firewall

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