January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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144 Linux for IBM System z9 and IBM zSeries
4.10.9 Setting up the firewalls
Our test uses Linux servers as firewall devices. Linux has a built in packet
filtering capability in the kernel that is configured using the iptables command. A
Linux based packet filtering firewall was sufficient for our test network, but it might
not be sufficient for all installations. Special purpose firewall devices are available
that implement more sophisticated firewalls. This includes specialized virtual
firewalls that can run on zSeries under z/VM. One goal of our test was to show
that both physical and virtual firewalls can be used together in a single
implementatio ...
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