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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">you probably want to check the dispatcher module docs out for this ds_mark_dst(..) function. You find also some RPC commands to e.g. inspect on shell. You can also try the event-routes
documented there to log some info.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><a href="https://kamailio.org/docs/modules/stable/modules/dispatcher.html#dispatcher.f.ds_mark_dst">https://kamailio.org/docs/modules/stable/modules/dispatcher.html#dispatcher.f.ds_mark_dst</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Henning<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">-- <o:p>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Henning Westerholt –
</span><span style="mso-fareast-language:EN-US"><a href="https://skalatan.de/blog/"><span lang="EN-GB" style="color:#0563C1">https://skalatan.de/blog/</span></a></span><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Kamailio services –
</span><span style="mso-fareast-language:EN-US"><a href="https://gilawa.com/"><span lang="EN-GB" style="color:#0563C1">https://gilawa.com</span></a></span><span style="mso-fareast-language:EN-US">
<span lang="EN-GB"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:35.4pt"><b>From:</b> sr-users <sr-users-bounces@lists.kamailio.org>
<b>On Behalf Of </b>Marat Gareev<br>
<b>Sent:</b> Thursday, September 9, 2021 8:02 PM<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><br>
<b>Subject:</b> [SR-Users] Manage blacklisting on network errors<o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Hello!<o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">I have a simple config for routing requests with failover and blacklisting on 408, 480 and 503 codes from servers.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">This is a part of config:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<i><span style="font-size:10.5pt;font-family:"Courier New";color:#AAAAAA"># Wrapper for relaying requests</span></i><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">route[</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#9C5D27">RELAY</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">]</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
{<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><i><span style="font-size:10.5pt;font-family:"Courier New";color:#AAAAAA"># the base event routes</span></i><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> t_on_branch(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"MANAGE_BRANCH"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> t_on_reply(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"MANAGE_REPLY"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> t_on_failure(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"MANAGE_FAILURE"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><span style="font-size:10.5pt;font-family:"Courier New";color:#4B69C6">if</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> (</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">!</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">t_relay())
{<o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> sl_reply_error()</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> }<o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">exit</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333">}<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<i><span style="font-size:10.5pt;font-family:"Courier New";color:#AAAAAA"># Manage incoming replies</span></i><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">onreply_route[</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#9C5D27">MANAGE_REPLY</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">]</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
{<o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> xlog(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"L_NOTICE"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">,</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"$rr ($rs) [$cs] ($ci) $si:$sp - $ua</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">\n</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><span style="font-size:10.5pt;font-family:"Courier New";color:#4B69C6">if</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> ( t_check_status(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"(503)|(408)|(480)"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)
) {<o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> xlog(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"L_WARN"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">,</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"Server will be blacklisted: $si:$sp ($rs)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">\n</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> }<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333">}<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<i><span style="font-size:10.5pt;font-family:"Courier New";color:#AAAAAA"># Manage failure routing cases</span></i><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">failure_route[</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#9C5D27">MANAGE_FAILURE</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">]</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
{<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><span style="font-size:10.5pt;font-family:"Courier New";color:#4B69C6">if</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> (
</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">!</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">t_check_status(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"(503)|(408)|(480)"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)
) {<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span>
<b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">exit</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> }<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> ds_mark_dst(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"IP"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
</span><i><span style="font-size:10.5pt;font-family:"Courier New";color:#AAAAAA"># blacklist</span></i><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><span style="font-size:10.5pt;font-family:"Courier New";color:#4B69C6">if</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> (t_is_canceled())
</span><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">exit</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><span style="font-size:10.5pt;font-family:"Courier New";color:#4B69C6">if</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> (</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">!</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">ds_next_domain())
{<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> send_reply(</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"503"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">,</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">
</span><span style="font-size:10.5pt;font-family:"Courier New";color:#448C27">"Service Unavailable"</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333">)</span><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span>
<b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">exit</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt;line-height:14.25pt;background:whitesmoke">
<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> }<o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p> </o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Courier New";color:#333333"> </span><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">route(</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#9C5D27">RELAY</span></b><b><span style="font-size:10.5pt;font-family:"Courier New";color:#AA3731">)</span></b><span style="font-size:10.5pt;font-family:"Courier New";color:#777777">;</span><span style="font-size:10.5pt;font-family:"Courier New";color:#333333"><o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Courier New";color:#333333">}<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">If there is a timeout or network error on the server side, it is blacklisted. How can such cases be managed and how can they be logged?<br>
I didn't find this on the module page:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><a href="https://www.kamailio.org/docs/modules/stable/modules/tm.html">https://www.kamailio.org/docs/modules/stable/modules/tm.html</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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