[Sipsak] Problem with From header

Wed Feb 1 19:24:49 CET 2006

Nils Ohlmeier wrote:
> Hi Klaus,
> 
> sorry for the late reply, I was very busy during the last days.
> 
> I agree with you that this behavior of sipsak is a little bit problematic. For 
> a REGISTER it is clear that you need only one account (except for third party 
> registration). But for all the other tests like INVITE's, MESSAGE's, OPTIONS 
> etc. you would need a second account for the From. Now you could just try to 
> use the same account for From and To. But I fear that this would lead to 
> problems in many setups as well.
> 
> But to solve your Problem: you could try the option -c which set the From uri 
> to the given value. I added that option recently to have more reasonable 
> sender for the short messages. So you could just set it to the same value as 
> the destination URI if that works for your setup.

Hi Nils!

Using the -c option will be fine. Nevertheless, IMO the default Form: 
should be sip:sipsak at localIP, not sip:sipsak at proxyIP.

regards
klaus

> 
> Greetings
>   Nils
> 
> On Monday 30 January 2006 12:32, Klaus Darilion wrote:
> 
>>Hi Nils!
>>
>>I tested the new version 0.9.6 and observed a strange behaviour (which I
>>guess was also in older versions).
>>
>>I use sipsak to test the availability of my sip proxy:
>>sipsak -H nic.at43.at -s sip:monitor at nic.at43.at -a geheim -U -M -d -x 10
>>-v
>>
>>sipsak REGISTERs at the SIP proxy correctly. But then, when sending the
>>MESSAGE to itself, it puts the uri "sip:sipsak at proxyIP" into the From
>>header. As the domainpart of the from header is the IP Address of the
>>SIP proxy, the SIP proxy tries to challenge sip:sipsak at proxyIP which of
>>course fails as the user is sip:monitor at ....
>>
>>IMO sipsak should either use the local IP address in the From header of
>>the MESSAGE request, an invalid domain (sip:sipsak at invalid) or again the
>>  specified SIP user (in this case sip:monitor at nic.at43.at).
>>
>>Following the ngrep dump:
>>
>>regards
>>klaus
>>
>>
>>U 2006/01/30 12:24:09.380394 213.239.207.29:34365 -> 83.136.32.160:5060
>>REGISTER sip:nic.at43.at SIP/2.0.
>>Via: SIP/2.0/UDP 83.136.32.160:34365;branch=z9hG4bK.28894c42;rport;alias.
>>From: sip:monitor at nic.at43.at;tag=30b15874.
>>To: sip:monitor at nic.at43.at.
>>Call-ID: 816928884 at 83.136.32.160.
>>CSeq: 1 REGISTER.
>>Content-Length: 0.
>>Max-Forwards: 70.
>>User-Agent: sipsak 0.9.6.
>>Expires: 10.
>>Contact: sip:monitor at 83.136.32.160:34365.
>>.
>>
>>#
>>U 2006/01/30 12:24:09.396609 83.136.32.160:5060 -> 213.239.207.29:34365
>>SIP/2.0 401 Unauthorized.
>>Via: SIP/2.0/UDP
>>83.136.32.160:34365;branch=z9hG4bK.28894c42;rport=34365;alias;received=213.
>>239.207.29. From: sip:monitor at nic.at43.at;tag=30b15874.
>>To: sip:monitor at nic.at43.at;tag=89c3783a68908612c9b98ed35a45b840.b0ac.
>>Call-ID: 816928884 at 83.136.32.160.
>>CSeq: 1 REGISTER.
>>WWW-Authenticate: Digest realm="nic.at43.at",
>>nonce="43ddf885690c70035ced10ab3e47f0d10e072f02".
>>Server: OpenSer (1.0.0-tls (i386/linux)).
>>Content-Length: 0.
>>.
>>
>>#
>>U 2006/01/30 12:24:09.427709 213.239.207.29:34365 -> 83.136.32.160:5060
>>REGISTER sip:nic.at43.at SIP/2.0.
>>Authorization: Digest username="monitor", uri="sip:nic.at43.at",
>>algorithm=MD5, realm="nic.at43.at",
>>nonce="43ddf885690c70035ced10ab3e47f0d10e072f02",
>>response="632f87d8da904da2184ce542a54f70ac".
>>Via: SIP/2.0/UDP 83.136.32.160:34365;branch=z9hG4bK.6aa08c90;rport;alias.
>>From: sip:monitor at nic.at43.at;tag=30b15874.
>>To: sip:monitor at nic.at43.at.
>>Call-ID: 816928884 at 83.136.32.160.
>>CSeq: 2 REGISTER.
>>Content-Length: 0.
>>Max-Forwards: 70.
>>User-Agent: sipsak 0.9.6.
>>Expires: 10.
>>Contact: sip:monitor at 83.136.32.160:34365.
>>.
>>
>>#
>>U 2006/01/30 12:24:09.487909 83.136.32.160:5060 -> 213.239.207.29:34365
>>SIP/2.0 200 OK.
>>Via: SIP/2.0/UDP
>>83.136.32.160:34365;branch=z9hG4bK.6aa08c90;rport=34365;alias;received=213.
>>239.207.29. From: sip:monitor at nic.at43.at;tag=30b15874.
>>To: sip:monitor at nic.at43.at;tag=89c3783a68908612c9b98ed35a45b840.b0fd.
>>Call-ID: 816928884 at 83.136.32.160.
>>CSeq: 2 REGISTER.
>>Contact:
>><sip:monitor at 83.136.32.160:34365>;expires=60;received="sip:213.239.207.29:3
>>4365". Server: OpenSer (1.0.0-tls (i386/linux)).
>>Content-Length: 0.
>>.
>>
>>#
>>U 2006/01/30 12:24:09.503556 213.239.207.29:34365 -> 83.136.32.160:5060
>>MESSAGE sip:monitor at nic.at43.at SIP/2.0.
>>Via: SIP/2.0/UDP 83.136.32.160:34365;branch=z9hG4bK.06831f65;rport;alias.
>>To: sip:monitor at nic.at43.at.
>>Call-ID: 1229319844 at 83.136.32.160.
>>CSeq: 3 MESSAGE.
>>Content-Type: text/plain.
>>Max-Forwards: 70.
>>User-Agent: sipsak 0.9.6.
>>From: sip:sipsak at 83.136.32.160:34365;tag=4945eea4.
>>
>>           ^^^^^^^^^^^^^^^^^^^^ -> Problem
>>
>>Content-Length: 42.
>>.
>>test message from SIPsak for user monitor.
>>#
>>U 2006/01/30 12:24:09.519179 83.136.32.160:5060 -> 213.239.207.29:34365
>>SIP/2.0 407 Proxy Authentication Required.
>>Via: SIP/2.0/UDP
>>83.136.32.160:34365;branch=z9hG4bK.06831f65;rport=34365;alias;received=213.
>>239.207.29. To:
>>sip:monitor at nic.at43.at;tag=89c3783a68908612c9b98ed35a45b840.80b1. Call-ID:
>>1229319844 at 83.136.32.160.
>>CSeq: 3 MESSAGE.
>>From: sip:sipsak at 83.136.32.160:34365;tag=4945eea4.
>>Proxy-Authenticate: Digest realm="83.136.32.160",
>>nonce="43ddf885690c70035ced10ab3e47f0d10e072f02".
>>Server: OpenSer (1.0.0-tls (i386/linux)).
>>Content-Length: 0.
>>.
>>
>>#
>>U 2006/01/30 12:24:09.531573 213.239.207.29:34365 -> 83.136.32.160:5060
>>MESSAGE sip:monitor at nic.at43.at SIP/2.0.
>>Proxy-Authorization: Digest username="monitor",
>>uri="sip:monitor at nic.at43.at", algorithm=MD5, realm="83.136.32.160",
>>nonce="43ddf885690c70035ced10ab3e47f0d10e072f02",
>>response="8981a652aa6088ff017b7600c3a7dd18".
>>Via: SIP/2.0/UDP 83.136.32.160:34365;branch=z9hG4bK.76b422f0;rport;alias.
>>To: sip:monitor at nic.at43.at.
>>Call-ID: 1229319844 at 83.136.32.160.
>>CSeq: 4 MESSAGE.
>>Content-Type: text/plain.
>>Max-Forwards: 70.
>>User-Agent: sipsak 0.9.6.
>>From: sip:sipsak at 83.136.32.160:34365;tag=4945eea4.
>>Content-Length: 42.
>>.
>>test message from SIPsak for user monitor.
>>#
>>U 2006/01/30 12:24:12.547728 83.136.32.160:5060 -> 213.239.207.29:34365
>>SIP/2.0 407 Proxy Authentication Required.
>>Via: SIP/2.0/UDP
>>83.136.32.160:34365;branch=z9hG4bK.76b422f0;rport=34365;alias;received=213.
>>239.207.29. To:
>>sip:monitor at nic.at43.at;tag=89c3783a68908612c9b98ed35a45b840.0af9. Call-ID:
>>1229319844 at 83.136.32.160.
>>CSeq: 4 MESSAGE.
>>From: sip:sipsak at 83.136.32.160:34365;tag=4945eea4.
>>Proxy-Authenticate: Digest realm="83.136.32.160",
>>nonce="43ddf8887c1c819420889db63615a22751711f4d".
>>Server: OpenSer (1.0.0-tls (i386/linux)).
>>Content-Length: 0.
>>.
>>
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