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Application Links (cont.)
Perimeter Defense (cont.)
- Firewalling (cont.)
- Linux IPMasq is configured in userspace using ipfwadm for 2.0.x kernels, and ipchains for kernel 2.2.x. 2.4.x kernels will use an improved ipchains called netfilter.
- Linux has but one Stateful Inspection firewall called SINUS, however, Checkpoint is slated to release Firewall-1 in 1Q 2000.
- The most common Linux application proxy firewall is Trusted Information Systems' Firewall Toolkit (TIS FWTK).
Notes: