Hello Richard, Thank you for your reply. Yes. You are correct. But, eventhough, I am logged in as root, Kamailio is starting and functioning well with TCP and UDP. Please advise me the next steps to troubleshoot. Thank you.
Best Regards, Chandramouli. On Wed, Oct 22, 2025 at 10:46 PM Richard Robson via sr-users < [email protected]> wrote: > It looks like tou have 700 for root user on th cert directory and are > running kamailio as kamailio not route, which is correct, So can the > kamailio user read the cert directory? > > R > On 22/10/2025 16:48, Chandramouli P via sr-users wrote: > > Hello Ben, > > Thank you for your reply. When I was installing Kamailio, I followed this: > > groupadd -g 5000 kamailio > > useradd -u 5000 -g 5000 -d /var/run/kamailio -M -s /bin/false kamailio > > > I am simply starting Kamailio like: systemctl start kamailio.service > > > Please find the below output for the command that you shared with me: > > > # kamailio -u kamailio -g kamailio -m 64 -M 16 > > Listening on > > udp: 10.122.0.4:5060 > > tcp: 10.122.0.4:5060 > > tls: 10.122.0.4:5061 > > Aliases: > > tls: rtpengine:5061 > > tcp: rtpengine:5060 > > udp: rtpengine:5060 > > *: 10.122.0.4:* > > > Thank you. > > > Best Regards, > > Chandramouli. > > On Wed, Oct 22, 2025 at 8:46 PM Ben Kaufman via sr-users < > [email protected]> wrote: > >> Are you using the user or group flags when starting Kamailio? >> >> kamailio *-u kamailio -g kamailio* -m 64 -M 16 >> >> >> >> *Kaufman* >> >> *Senior Voice Engineer * >> >> >> E: [email protected] >> 24/7 support: 888.543.2000 >> >> >> >> >> >> [image: img] >> >> SIP.US <https://sip.us> Client Support: >> 800.566.9810 >> >> SIPTRUNK <https://siptrunk.com> Client Support: >> 800.250.6510 >> >> Flowroute <https://flowroute.com> Client Support: >> 855.356.9768 >> >> ------------------------------ >> *From:* Chandramouli P via sr-users <[email protected]> >> *Sent:* Wednesday, October 22, 2025 9:49 AM >> *To:* Kamailio (SER) - Users Mailing List <[email protected]> >> *Cc:* Chandramouli P <[email protected]> >> *Subject:* [SR-Users] Re: Unable to start Kamailio with TLS configuration >> >> >> *CAUTION:* This email originated from outside the organization. *Do not >> click links or open attachments* unless you recognize the sender and >> know the content is safe. >> >> Hello Richard, >> >> Thank you for your reply. If you noticed the steps that I used to >> generate certificates, I had already given 700 permission to the "certs" >> directory. >> >> >> 1. mkdir -p /usr/local/etc/kamailio/certs >> 2. cd /usr/local/etc/kamailio/certs >> 3. chmod 700 /usr/local/etc/kamailio/certs >> >> >> [root@rtpengine kamailio]# pwd >> >> /usr/local/etc/kamailio >> >> [root@rtpengine kamailio]# >> >> [root@rtpengine kamailio]# ls -ll >> >> drwx------ 2 root root 150 Oct 22 17:48 certs >> >> >> [root@rtpengine kamailio]# ls -ll certs/ >> >> -rw-r--r-- 1 root root 1992 Oct 22 17:48 ca-cert.pem >> >> -rw-r--r-- 1 root root 41 Oct 22 17:48 ca-cert.srl >> >> -rw------- 1 root root 3243 Oct 22 17:48 ca-key.pem >> >> -rw-r--r-- 1 root root 0 Oct 22 17:48 crl.pem >> >> -rw-r--r-- 1 root root 1870 Oct 22 17:48 kamailio-cert.pem >> >> -rw------- 1 root root 3243 Oct 22 17:48 kamailio-key.pem >> >> -rw-r--r-- 1 root root 1675 Oct 22 17:48 kamailio-req.pem >> >> >> Please advise me, is there any other part that I missed? Thank you >> in advance. >> >> Best Regards, >> Chandramouli. >> >> On Wed, Oct 22, 2025 at 8:02 PM Richard Robson via sr-users < >> [email protected]> wrote: >> >> from the error it looks like a permissions problem probably the 700 on >> the directory >> >> Oct 22 18:23:54 rtpengine /usr/local/sbin/kamailio[34391]: ERROR: tls >> [tls_domain.c:609]: load_cert(): TLSs<default>: Unable to load certificate >> file '/usr/local/etc/kamailio/certs/kamailio-cert.pem' >> Oct 22 18:23:54 rtpengine /usr/local/sbin/kamailio[34391]: ERROR: tls >> [tls_util.h:50]: tls_err_ret(): load_cert:error:0200100D:system >> library:fopen:Permission denied (sni: unknown) >> >> >> regards, >> >> Richard >> >> >> On 22/10/2025 14:14, Chandramouli P via sr-users wrote: >> >> Hello, >> >> Please find my server environment below: >> >> Operating System: RockyLinux 8.x and RHEL 8.x >> Kamailio version: 6.0.2 >> IP address: 10.122.0.4 >> >> I have generated SSL certificates using OpenSSL. After configuring >> Kamailio, I am unable to start Kamailio. Please find the steps that I used >> to generate certificates along with configuration at the below link: >> >> *https://pastebin.com/Veu8z9Pr >> <https://urldefense.com/v3/__https://pastebin.com/Veu8z9Pr__;!!KWzduNI!ctTqkVdiFjvQqkvH9YSFdPOAaiLXbUHuOPjARk5Hm2IeQHl47TmNh41PBoqPqAEfXIBiLdFcA4d-b1lc_sZvGl8$>* >> >> Any help would be appreciated and thanks in advance. >> >> Best Regards, >> Chandramouli. >> >> __________________________________________________________ >> 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! >> >> __________________________________________________________ >> 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! >> >> __________________________________________________________ >> 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! >> > > __________________________________________________________ > 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! > > __________________________________________________________ > 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! >
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