<div dir="ltr"><div>Hello Daniel,</div><div><br></div><div>Thanks for the reply. Indeed there is, not sure how I managed to miss that. And it wasn't about the schema after all:</div><div style="margin-left:40px">Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - sanity [sanity.c:277]: check_ruri_scheme(): check_ruri_scheme entered<br>Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - <core> [core/parser/parse_uri.c:1254]: parse_uri(): uri too short: <<BC><EA><8F>> (3)<br>Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - <core> [core/parser/parse_uri.c:1328]: parse_sip_msg_uri(): bad uri <<BC><EA><8F>><br>Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: WARNING: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - sanity [sanity.c:282]: check_ruri_scheme(): failed to parse request uri [<BC><EA><8F>]<br>Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - sanity [sanity_mod.c:254]: w_sanity_check(): sanity checks result: 0<br>Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[909]: ERROR: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a> - <script>: Malformed SIP request from <a href="http://172.30.154.189:5060">172.30.154.189:5060</a></div><div style="margin-left:40px"><br></div><div>Still, not sure what the problem is though...</div><div><br></div><div>BR,</div><div>George<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 8 Jul 2020 at 09:30, Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p>Hello,</p>
    <p>when the ruri scheme check fails, there should be another debug
      message saying that. Have you pasted all log messages for the
      failure case?</p>
    <p>Cheers,<br>
      Daniel<br>
    </p>
    <div>On 07.07.20 22:23, George
      Diamantopoulos wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">
        <div>Sorry, I realised I copy pasted wrong log messages for Call
          1. Here's the relevant part showing success for call 1 in
          contrast with Call 2:</div>
        <div><br>
        </div>
        <div style="margin-left:40px">grep
          2a859fcc4e1c8f840191a81d7c16e76d kamailio.log | egrep
          'check_ruri_scheme|w_sanity_check' | grep ACK<br>
          Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[907]:
          DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com" target="_blank">2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com</a>
          - sanity [sanity.c:277]: check_ruri_scheme():
          check_ruri_scheme entered<br>
          Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[907]:
          DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com" target="_blank">2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com</a>
          - sanity [sanity.c:297]: check_ruri_scheme():
          check_ruri_scheme passed<br>
          Jul  7 18:42:11 lbpub0-stage-lhe0-cn1 /usr/sbin/kamailio[907]:
          DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com" target="_blank">2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com</a>
          - sanity [sanity_mod.c:254]: w_sanity_check(): sanity checks
          result: 1</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Tue, 7 Jul 2020 at 21:34,
          George Diamantopoulos <<a href="mailto:georgediam@gmail.com" target="_blank">georgediam@gmail.com</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div dir="ltr">
            <div>Hello all,</div>
            <div><br>
            </div>
            <div>I'm not 100% sure this is the only culprit in an issue
              I'm investigating, but superficially it appears that RURI
              scheme sanity module checks from the default config (flags
              <span><span></span>17895<span> in REQINIT</span></span>)
              fail if the RURI in an ACK following a 487 includes
              parameters. Example from two calls from a kamailio
              instance acting as registrar/usrloc server, INVITE RURIs
              are after usrloc lookup:<br>
            </div>
            <div><br>
            </div>
            <div>Call 1: INVITE <a href="http://sip:voip-test-gd@172.17.173.14:5063" target="_blank">sip:voip-test-gd@172.17.173.14:5063</a>
              SIP/2.0</div>
            <div>Call 2: INVITE
              <a>sip:voip-test-user-02@10.2.24.142:32768;line=moo62e08</a>
              SIP/2.0</div>
            <div><br>
            </div>
            <div>These INVITEs produce no complaints. Later, the same
              registrar produces ACKs to acknowledge 487 (thus, same
              transaction ACKs) responses from the next proxy in the
              path following a CANCEL:</div>
            <div><br>
            </div>
            <div>Call 1: ACK <a href="http://sip:voip-test-gd@172.17.173.14:5063" target="_blank">sip:voip-test-gd@172.17.173.14:5063</a>
              SIP/2.0</div>
            <div>Call 2: ACK
              <a>sip:voip-test-user-02@10.2.24.142:32768;line=moo62e08</a>
              SIP/2.0</div>
            <div><br>
            </div>
            <div>The next proxy (which produced/relayed the 487)
              processes the ACK for Call 1 successfully, but
              sanity_check at the proxy drops the request for Call 2
              with:</div>
            <br>
            <div>
              <div style="margin-left:40px">DEBUG: {1 <null>
                172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com" target="_blank">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a>
                - sanity [sanity.c:277]: check_ruri_scheme():
                check_ruri_scheme entered<br>
                DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:08679c4228983f9e65f3b47f767b6e07@voip.domain.com" target="_blank">08679c4228983f9e65f3b47f767b6e07@voip.domain.com</a>
                - sanity [sanity_mod.c:254]: w_sanity_check(): sanity
                checks result: 0</div>
              <div><br>
              </div>
              <div>whereas Call 1 seems OK:</div>
              <div><br>
              </div>
              <div style="margin-left:40px">DEBUG: {1 <null>
                172.30.154.189 102 ACK <a href="mailto:2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com" target="_blank">2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com</a>
                - sanity [sanity.c:305]: check_required_headers():
                check_required_headers entered<br>
                DEBUG: {1 <null> 172.30.154.189 102 ACK <a href="mailto:2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com" target="_blank">2a859fcc4e1c8f840191a81d7c16e76d@voip.domain.com</a>
                - sanity [sanity.c:313]: check_required_headers():
                check_required_headers passed</div>
              <div><br>
              </div>
              <div>Could this be a bug in sanity module? Is there
                anything one can do in config which could result in
                illegal ACKs being produced for hop-by-hop transactions?
                schema appears to be sip: in both cases...<br>
              </div>
              <div><br>
              </div>
              <div>Thank you. Best regards,<br>
              </div>
              <div>George</div>
            </div>
          </div>
        </blockquote>
      </div>
      <br>
      <fieldset></fieldset>
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</pre>
    </blockquote>
    <pre cols="72">-- 
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank">www.linkedin.com/in/miconda</a>
Funding: <a href="https://www.paypal.me/dcmierla" target="_blank">https://www.paypal.me/dcmierla</a></pre>
  </div>

</blockquote></div>