[Bug 248474] NAT broken on IPsec/VTI [if_ipsec]

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Aug 5 07:04:34 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248474

Eugene Grosbein <eugen at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |eugen at freebsd.org

--- Comment #3 from Eugene Grosbein <eugen at freebsd.org> ---
First, one should disregard any "5 year old" problem reports if not verified
recently because FreeBSD ipsec code got major rewrite and improvement since
11.1-RELEASE.

Next, FreeBSD has several NAT implementations. The problem may be pf-specific
but not specific to natd/ipfw nat.

You need to use tcpdump and carefully inspect filtering rules to see what's
happening.

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