[asterisk-dev] Many sip dialog/ opened channels.

[Paul Belanger]

On 11-10-14 01:20 PM, Eric Wieling wrote:
> SIP channels are created of a variety of reasons.  The ones below are created because of a registration this is normal.  To see a list of calls (channels associated with a call), use "core show channels"
>
> I find it odd the peer is shown as<guest>.   Are those IPs listed actual real IPs or did you mask them?  If they are real, I'd say your server is under attack.
>
> -----Original Message-----
> From: asterisk-dev-bounces at lists.digium.com [mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Catalin S.
> Sent: Friday, October 14, 2011 1:13 PM
> To: Asterisk Developers Mailing List
> Subject: [asterisk-dev] Many sip dialog/ opened channels.
>
> Hello,
>
> I'm using asterisk with 84 extensions (aprox 45 always connected). When i look to the opened channels i sow many channels opened without reason even i don't have any active calls.
> Is there someone else that en-counted the same problem? Is there any fix to this bug? I have the following settings:
>
> [snip]
>
> rr-de*CLI>  sip show channels
> Peer             User/ANR         Call ID          Format           Hold     Last Message    Expiry     Peer
> 6.6.13.17   (None)           000750d5-411d00  0x0 (nothing)    No       Rx: REGISTER<guest>
> 6.1.13.17   (None)           7de7064b-6f9f69  0x0 (nothing)      No       Rx: REGISTER<guest>
> 6.1.18.13   (None)           08a2e79c7f13b73  0x0 (nothing)    No       Rx: REGISTER<guest>
> 1.2.12.23   (None)           000dbcd9-39db00  0x0 (nothing)    No       Rx: REGISTER<guest>
> 8.6.13.17   (None)           000750d5-411d00  0x0 (nothing)    No       Rx: REGISTER<guest>
> 8.1.13.17   (None)           ca30cc15-d93e4d  0x0 (nothing)    No       Rx: REGISTER<guest>
> 6.1.12.17   (None)           226b901d-4bff19  0x0 (nothing)      No       Rx: REGISTER<guest>
> 9.1.12.20   (None)           2474013819 at 192_  0x0 (nothing)  No       Rx: REGISTER<guest>
> 2.1.14.10   (None)           d1bb5072-b6ebcd  0x0 (nothing)    No       Rx: REGISTER<guest>
> xxxxx
> xxx
> xxxx
> 8.1.13.17   (None)           ca30cc15-d93e4d  0x0 (nothing)    No       Rx: REGISTER<guest>
> 6.1.12.17   (None)           226b901d-4bff19  0x0 (nothing)      No       Rx: REGISTER<guest>
> 9.1.12.20   (None)           2474013819 at 192_  0x0 (nothing)  No       Rx: REGISTER<guest>
> 2.1.14.10   (None)           d1bb5072-b6ebcd  0x0 (nothing)    No       Rx: REGISTER<guest>
>
> 4423 active SIP dialogs
>
If I had to guess this looks to be the regression[1] in netsock2 when we 
converted to IPv6.  It basically happens when asterisk dials an unknown 
SIP peer.

[1] https://issues.asterisk.org/jira/browse/ASTERISK-17146
-- 
Paul Belanger
Digium, Inc. | Software Developer
twitter: pabelanger | IRC: pabelanger (Freenode)
Check us out at: http://digium.com & http://asterisk.org