Hi Daniel, Thank you for that! We'll look into the empty qop value.
On Thu, 20 Nov 2025 at 03:21, Daniel-Constantin Mierla via sr-users < [email protected]> wrote: > Hello, > > the problem is the empty qop value, it has to be a token there, usually > auth or auth-int. > > The 'truncated' in the wireshark is just to indicate that it does not > display the entire field there, just part of it, but internally it has all > of it -- subsequently to that field is the list of parsed attributes > insides it, which shows qop being empty. > > Cheers, > Daniel > On 19.11.25 02:02, David Cunningham via sr-users wrote: > > Hi Henning, > > Thank you for the reply. An ngrep shows the full SIP packet, and there is > an empty "qop" value in the Authorization header: > > Authorization: Digest realm="sip.example.com", > nonce="aR0SEGkdEOQ2eLjMXqc05nC5+GDLOKUy", algorithm=MD5, > username="123456789", uri="sip:sip.example.com:5060", > response="21c1d546986a43c871486fcf2ef3ff83", cnonce="IWbhxqr9ut1LqMwj", > nc=00000001, qop=. > > So I'm not sure why Wireshark says the packet is truncated. Would you have > any ideas on where to look for the reason? > > > On Wed, 19 Nov 2025 at 06:02, Henning Westerholt <[email protected]> wrote: > >> Hello David, >> >> >> >> the cnonce is not so common but usually supported from kamailio. If you >> are having a trace, have a look to the raw SIP packet to see if it was >> maybe really truncated on the wire. The QOP seems to be missing/truncated >> from the dump below. >> >> >> >> Cheers, >> >> >> >> Henning >> >> >> >> *From:* David Cunningham via sr-users <[email protected]> >> *Sent:* Dienstag, 18. November 2025 03:34 >> *To:* Kamailio (SER) - Users Mailing List <[email protected]> >> *Cc:* David Cunningham <[email protected]> >> *Subject:* [SR-Users] error while parsing credentials >> >> >> >> Hello, >> >> >> >> We have one particular device which won't authenticate with Kamailio, and >> are looking for any insight into why. When Kamailio receives the REGISTER >> it logs: >> >> >> >> Nov 17 17:50:37 sip /sbin/kamailio[2293367]: ERROR: {1 2 REGISTER >> mrXSmu5Gh} <core> [core/parser/digest/digest.c:323]: find_credentials(): >> error while parsing credentials >> Nov 17 17:50:37 sip /sbin/kamailio[2293367]: ERROR: {1 2 REGISTER >> mrXSmu5Gh} auth [api.c:73]: pre_auth(): Error while looking for credentials >> >> >> >> A redacted copy of the REGISTER is below. I note two unusual things: >> >> - On the Authorization header it says "[truncated]Authorization". >> >> - It includes a "cnonce" (client nonce) in the Authorization data, which >> is unusual compared to our other SIP devices. >> >> Thanks in advance! >> >> >> >> Session Initiation Protocol (REGISTER) >> Request-Line: REGISTER sip:sip.example.com:5060 SIP/2.0 >> Message Header >> To: "C25" <sip:[email protected]> >> SIP to display info: "C25" >> SIP to address: sip:[email protected] >> SIP to address User Part: 123456789 >> SIP to address Host Part: sip.example.com >> From: "C25" <sip:[email protected]>;tag=mmVG392Qv >> SIP from display info: "C25" >> SIP from address: sip:[email protected] >> SIP from tag: mmVG392Qv >> Contact: <sip:[email protected]:65477;transport=udp> >> Contact URI: sip:[email protected]:65477;transport=udp >> Via: SIP/2.0/UDP 11.22.221.114:65477;branch=z9hG4bK.X0v8d63yc >> CSeq: 2 REGISTER >> Call-ID: iYC5fcJqy >> [Generated Call-ID: iYC5fcJqy] >> Max-Forwards: 70 >> Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, NOTIFY >> User-Agent: Rogue sip 7.1.11 (stm32mp15-ya157c-v2) linux >> Expires: 3600 >> [truncated]Authorization: Digest realm="sip.example.com", >> nonce="aRvGYGkbxTQrS5pTzBoahdefo1xCqskN", algorithm=MD5, >> username="123456789", uri="sip:sip.example.com:5060", >> response="ab717ce439c666e9b5651d0dc74dff9a", cnonce="MzrTCxYCoCPxZ >> Authentication Scheme: Digest >> Realm: "sip.example.com" >> Nonce Value: "aRvGYGkbxTQrS5pTzBoahdefo1xCqskN" >> Algorithm: MD5 >> Username: "123456789" >> Authentication URI: "sip:sip.example.com:5060" >> Digest Authentication Response: >> "ab717ce439c666e9b5651d0dc74dff9a" >> CNonce Value: "MzrTCxYCoCPxZ91a" >> Nonce Count: 00000001 >> QOP: >> Content-Length: 0 >> >> >> >> -- >> >> David Cunningham, Voisonics Limited >> http://voisonics.com/ >> USA: +1 213 221 1092 >> New Zealand: +64 (0)28 2558 3782 >> > > > -- > David Cunningham, Voisonics Limited > http://voisonics.com/ > USA: +1 213 221 1092 > New Zealand: +64 (0)28 2558 3782 > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions -- > [email protected] > To unsubscribe send an email to [email protected] > Important: keep the mailing list in the recipients, do not reply only to the > sender! > > -- > Daniel-Constantin Mierla (@ asipto.com)twitter.com/miconda -- > linkedin.com/in/miconda > Kamailio Consultancy, Training and Development Services -- asipto.com > Kamailio Advanced Training, Dec 1-4, 2025 -- asipto.com > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions -- > [email protected] > To unsubscribe send an email to [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! > -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782
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