[asterisk-bugs] [JIRA] (ASTERISK-20904) RFC1918 NAT Issue On Prune

[JoshE (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=202166#comment-202166 ] 

JoshE commented on ASTERISK-20904:
----------------------------------

I think I can definitely confirm that with nat=yes the problem still reoccurs when the fullcontact field has a private IP address in it.  Haven't verified everything else, but this case looks clear from what I am seeing in my environment.
                
> RFC1918 NAT Issue On Prune
> --------------------------
>
>                 Key: ASTERISK-20904
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20904
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.2.0
>            Reporter: JoshE
>            Assignee: JoshE
>         Attachments: asterisk-20904-auto-nat-prune_v1.diff, rfc1918_patch.diff
>
>
> Issue is related to ASTERISK-20572, but appears to have been reintroduced in Asterisk 11.x.
> Bring up a realtime peer behind separated from the Asterisk server behind NAT.   When the peer is pruned and brought back up, the peer's external NAT address is replaced with the private IP from the contact header, if that address was present.

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