[OpenSIPS-Users] OPTIONS without Contact header messing with dialog module on OpenSIPS 1.5.3 - Avaya IP Office 6.0 SIP stack

[Gavin Henry]

On 18 August 2010 16:00, Bogdan-Andrei Iancu <bogdan at voice-system.ro> wrote:
> Gavin Henry wrote:
>> On 18 August 2010 13:47, Gavin Henry <gavin.henry at gmail.com> wrote:
>>
>>> On 18 August 2010 10:23, Gavin Henry <gavin.henry at gmail.com> wrote:
>>>
>>>> I was thinking:
>>>>
>>>>   if (is_method("OPTIONS|INFO"))
>>>>    {
>>>>        sl_send_reply("501", "Method $rm not implemented");
>>>>        exit;
>>>>    };
>>>>
>>>>
>>> I think I'll add in above. Also, I think I've figured it out. The logs
>>> show these broken dialog inserts. I've just got a SIP trace of when it
>>> starts failing and Service Full is being returned. I think as these
>>> dialogs don't get closed they are sitting as open calls and when we
>>> hit our LB limit it gets full and a restart clears the tables.
>>>
>>> Need to check where the ongoing calls are saved so I can see what
>>> we're at now. All frpm a broken OPTIONS message!
>>>
>>
>> Found it! Every 30 seconds we get this broken SIP OPTIONS message and
>> sure enough, as our calls get open and closed it's sneeking up the
>> load. I can see it via:
>>
>> opensipsctl fifo lb_list
>>
>> Can I block OPTIONS like above?
>>
>
> Again, depends on what these OPTIONS are used for.....if they are for
> checking the call sanity, you should relay it (or answer with 200 OK).
> If just NAT pings, send back whatever you want.

It's just NAT/keepalive pings from a customers PBX. This is the trace:

U 2010/08/17 21:50:25.499215 X.X.X.X:19755 ->X.X.X.X:5060
OPTIONS sip:Unknown at X.X.X.X SIP/2.0.
Via: SIP/2.0/UDP
X.X.X.X:19755;rport;branch=z9hG4bK3c0d94b08075ca42c40d383c4883f383.
From: <sip:Unknown at X.X.X.X>;tag=507f5186d23e3857.
To: <sip:Unknown at X.X.X.X>.
Call-ID: df9473e8118b22ba6fa3bc260c3f4967 at X.X.X.X.
CSeq: 1067441263 OPTIONS.
Max-Forwards: 70.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, INFO, UPDATE.
Supported: timer.
Content-Length: 0.


No Contact header above. I didn't want to just drop and exit on
OPTIONS, but as I said it's slowly filling up OpenSIPS 1.5.3 lb_list

Thanks.

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