[asterisk-bugs] [JIRA] (ASTERISK-16831) [patch] deny=all in iax.conf results in segmentation fault

[Isaac McDonald (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-16831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=244328#comment-244328 ] 

Isaac McDonald commented on ASTERISK-16831:
-------------------------------------------

I would like to add that this bug occurs anytime you get a new IPv6 address. It doesn't necessarily have to be that you've manually added an address. It could be that you've added a new router that's broadcasting a new prefix in which case the server would get a new IPv6 address via SLAAC.

> [patch] deny=all in iax.conf results in segmentation fault
> ----------------------------------------------------------
>
>                 Key: ASTERISK-16831
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-16831
>             Project: Asterisk
>          Issue Type: Bug
>          Components: Channels/chan_iax2
>            Reporter: Isaac McDonald
>            Severity: Critical
>         Attachments: backtrace.txt, issue0018162.patch
>
>
> Specifying deny=all rather than disallow=all in the codec directive on an IAX peer results in a seg fault. Changing deny=all to disallow=all results in expected behavior.
> Example improper use of the codec directive that causes a crash:
> [bobloblaw]
> deny=all
> allow=ulaw
> type=friend
> host=172.20.20.5
> qualify=yes
> context=from-internal
> Example of proper use of the codec directive that does not cause a crash:
> [bobloblaw]
> disallow=all
> allow=ulaw
> type=friend
> host=172.20.20.5
> qualify=yes
> context=from-internal



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