with the kernel compile time option: options IPFIREWALL_FORWARD_EXTENDED This option has to be specified in addition to IPFIRWALL_FORWARD. With this option even packets targeted for an IP address local to the host can be redirected. All restrictions to ensure proper behaviour for locally generated packets are turned off. Firewall rules have to be carefully crafted to make sure that things like PMTU discovery do not break. Document the two kernel options. PR: kern/71910 PR: kern/73129 MFC after: 1 week |
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ipfw2.c | ||
ipfw.8 | ||
Makefile |