[Bug 191975] [ng_iface] [regression] in 10.0: cannot contact local services

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191975

--- Comment #3 from dgilbert at eicat.ca ---
I continue to try to eek out what's happening here.  I had an idea: Why don't I
create a firewall rule:

rdr on ng1 inet proto tcp from any to 66.96.16.3 port = 2222 -> 66.96.16.3 port
22

and then I can try this.  Well...

[2:54:354]root at owl:~> pfctl -vs nat
No ALTQ support in kernel
ALTQ related functions disabled
rdr on ng1 inet proto tcp from any to 66.96.16.3 port = 2222 -> 66.96.16.3 port
22
  [ Evaluations: 118329    Packets: 7         Bytes: 356         States: 1    
]
  [ Inserted: uid 0 pid 43426 State Creations: 1     ]
[2:55:355]root at owl:~> netstat -an | grep 22
tcp4       0      0 66.96.16.3.22          66.96.16.11.53211      ESTABLISHED
tcp4       0      0 *.22                   *.*                    LISTEN
tcp6       0      0 *.22                   *.*                    LISTEN

so... PF sees the SYN packets, but the local TCP stack does not.

Sigh.  Help?

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