[SR-Users] Re: Inquiry Regarding Kamailio Behavior and Drop Requests

Thanks for the reply, I didn't find any suspicious logs in kamailio apart from the log which i shared with you in chain mail. Within a Pcap trace, we typically process INVITE, 300 Multiple Choice responses, and ACK messages pertaining to a specific server Note: For these drop requests, How do we acknowledge in kamailio? -- Is it possible to manage these drop requests in the Kamailio configuration file without actually dropping the request? Let me know if you need more information. On Thu, Oct 26, 2023 at 8:18 PM James Browne &lt;james(a)frideo.com&gt; wrote: > > That looks to me that an ACK was received at kamailio for a response > that it generated (not relayed) to the UAC. It's normal for the SL > module to absorb such an ACK. It's not an error condition. > Your original message was about "core:drop_requests", so I doubt that > it's related. > My same advice applies: take traces and logs, and correlate them. > > > Also I have another query, For these drop requests, How do we acknowledge in kamailio? > What do you mean, exactly? > > James > > On Thu, 26 Oct 2023 at 13:11, satyaprakash ch > &lt;chiramchetty.satyaprakash(a)gmail.com&gt; wrote: > > > > Hi, > > > > Thanks for the reply, > > > > When I was testing, I found the below log. > > > > Log ==== DEBUG: sl [sl_funcs.c:462]: sl_filter_ACK(): SL local ACK found -> dropping it! > > > > On Wed, Oct 25, 2023 at 12:44 PM Henning Westerholt &lt;hw(a)gilawa.com&gt; wrote: > >> > >> Hello, > >> > >> the sanity module can be used for request and reply checks, as e.g. visible in the default configuration. > >> It might be a bit too short documented in the module readme. > >> > >> Cheers, > >> > >> Henning Westerholt > >> > >> -- > >> Henning Westerholt - https://skalatan.de/blog/ > >> Kamailio services - https://gilawa.com > >> > >> > >> > >> > -----Original Message----- > >> > From: James Browne via sr-users &lt;sr-users(a)lists.kamailio.org&gt; > >> > Sent: Dienstag, 24. Oktober 2023 17:55 > >> > To: Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; > >> > Cc: satyaprakash ch &lt;chiramchetty.satyaprakash(a)gmail.com&gt;om>; James Browne > >> > &lt;james(a)frideo.com&gt; > >> > Subject: [SR-Users] Re: Inquiry Regarding Kamailio Behavior and Drop > >> > Requests > >> > > >> > I expect that it's not related, because the documentation is clear that the > >> > function relates to requests, not responses. > >> > > >> > https://kamailio.org/docs/modules/5.5.x/modules/sanity.html#sanity.f.sanit > >> > y_check > >> > - 4.1. sanity_check([msg_checks [, uri_checks]]) > >> > - This function makes a row of sanity checks over the given SIP request... > >> > > >> > It seems simple: check the logs from the xlog command and see what you find. > >> > If it's not clear enough, add the Call-ID to the log message, and then also > >> > capture (tshark/tcpdump) traffic for subsequent analysis. > >> > > >> > James > >> > > >> > On Mon, 16 Oct 2023 at 16:52, satyaprakash ch via sr-users <sr- > >> > users(a)lists.kamailio.org&gt; wrote: > >> > > > >> > > Hi, > >> > > > >> > > We possess a code within Kamailio, which specifically handles malformed SIP > >> > responses. Below is the code snippet: > >> > > > >> > > reply_route > >> > > Copy code > >> > > if(!sanity_check("17604", "6")) { > >> > > xlog("Malformed SIP response from $si:$sp\n"); drop; > >> > > > >> > > Additionally, we have Kamailio drop request statistics as follows: > >> > > > >> > > Command: kamctl stats | grep core:drop_requests Output of the command: > >> > > core:drop_requests = 5 > >> > > > >> > > My queries are: > >> > > > >> > > 1. Is the aforementioned "reply_route" related to the drop requests we are > >> > experiencing? > >> > > 2. If it is not related, what could be the cause of the drop requests? > >> > > __________________________________________________________ > >> > > Kamailio - Users Mailing List - Non Commercial Discussions To > >> > > unsubscribe send an email to sr-users-leave(a)lists.kamailio.org > >> > > Important: keep the mailing list in the recipients, do not reply only to the > >> > sender! > >> > > Edit mailing list options or unsubscribe: > >> > __________________________________________________________ > >> > Kamailio - Users Mailing List - Non Commercial Discussions To unsubscribe > >> > send an email to sr-users-leave(a)lists.kamailio.org > >> > Important: keep the mailing list in the recipients, do not reply only to the > >> > sender! > >> > Edit mailing list options or unsubscribe: