[SR-Users] Kamailio 4.0.0 not listening on TCP

Fri Apr 12 14:52:51 CEST 2013

Hi Dave,

When not in daemon mode ,only udp is available.
and you can see more clue within the log file.

2013/4/12 David Wilson <dw at zaq.com.au>

> Hi Carsten,
>
> I would expect that if it didn't have children, it wouldn't report that
> it's listening.
>
> However, you have asked the right question...
>
> On my command line, I was using the -D flag to prevent daemon mode.  When
> I configure to ONLY listen for tcp, I get:
> > Listening on
> >              tcp: 192.168.44.66:55060
> > Aliases:
> >              <snip>
> >
> > WARNING: no fork mode and no udp listen address found
>
> With that clue, I tried it without the -D flag, configured for both tcp
> and udp... now it is verifiably listening for tcp!
>
> So, it turns out that with -D, the report that it is listening is
> inaccurate.
>
> Thanks for your suggestion!
>
> Dave.
>
>
> On 12/04/2013, at 4:48 PM, Carsten Bock <carsten at ng-voice.com> wrote:
>
> > "WARNING: no fork mode"
> >
> > So you'll probably don't have any children for TCP...
> >
> > Kind regards,
> > Carsten
> >
> > 2013/4/12 Jeremy Ardley <jeremy.ardley at gmail.com>:
> >> netstat is a bit tricky. Luckily it's now obsoleted by ss
> >>
> >> Try
> >>
> >> netstat -a -n | grep 5060
> >>
> >> Also check if your kamialio.cfg file has "disable_tcp=yes" Comment it
> >> out if it does.
> >>
> >> P.S. I only asked about whether it was still running because it can
> >> easily die on startup if the scripts detect some error like the control
> >> files still exists. I just checked now on my system which I installed
> >> using 'official' RPMs for Centos 6. The 'service kamailio restart'
> >> command appears to work but fails quietly for the following reason
> >>
> >> Apr 12 14:55:40 sentinel /usr/sbin/kamailio[7501]: ERROR: ctl
> [ctl.c:379]: ERROR: ctl: could not delete unix socket /tmp/kamailio_ctl:
> Operation not permitted (1)
> >>
> >>
> >> On 12/04/13 14:37, David Wilson wrote:
> >>> Hi Jeremy,
> >>>
> >>> Thanks for the suggestion, I'm hoping I haven't overlooked something
> quite that obvious!
> >>>
> >>> The last debug output I see on startup is:
> >>>
> >>>> Listening on
> >>>>             udp: 192.168.44.66:55060
> >>>>             tcp: 192.168.44.66:55060
> >>>> Aliases:
> >>>>     <snip>
> >>>>
> >>>> WARNING: no fork mode
> >>>> 0(20372) INFO: <core> [tcp_main.c:4833]: init_tcp: using epoll_lt as
> the io watch method (auto detected)
> >>>> 0(20372) INFO: usrloc [hslot.c:53]: locks array size 512
> >>>> 0(20372) INFO: <core> [udp_server.c:179]: INFO: udp_init: SO_RCVBUF
> is initially 229376
> >>>> 0(20372) INFO: <core> [udp_server.c:230]: INFO: udp_init: SO_RCVBUF
> is finally 262142
> >>> netstat shows listening for UDP on 55060, but nothing on TCP:
> >>>
> >>> $ netstat -l | grep 5060
> >>> udp        0      0 192.168.44.66:55060 *:*
> >>>
> >>> ps shows four kamailio processes running, all of which end when I
> Ctrl-C.
> >>>
> >>> Cheers,
> >>> Dave.
> >>>
> >>>> Date: Fri, 12 Apr 2013 14:22:45 +0800
> >>>> From: Jeremy Ardley <jeremy.ardley at gmail.com>
> >>>> Subject: Re: [SR-Users] Kamailio 4.0.0 not listening on TCP
> >>>>
> >>>>
> >>>> Have you checked to make sure it's still running?
> >>>>
> >>>>
> >>>> On 12/04/13 14:19, David Wilson wrote:
> >>>>> Hello All,
> >>>>>
> >>>>> New to Kamailio, I'm running 4.0 on Ubuntu 12.04 (precise).
> >>>>>
> >>>>> Running from the command line with a minimal config, it tells me
> that it is listening on port 5060 for both TCP and UDP.  I see the same
> behaviour with the default cfg.
> >>>>>
> >>>>> However, netstat does not list anything listening on TCP port 5060
> and an attempted connection is rejected consistent with there being no open
> socket.
> >>>>>
> >>>>> Any suggestions on where I need to be looking to fix this?
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> ------------------------------
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> >>>>
> >>>> End of sr-users Digest, Vol 95, Issue 47
> >>>> ****************************************
> >>>
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> >>
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> >
> >
> > --
> > Carsten Bock
> > CEO (Geschäftsführer)
> >
> > =============================================================
> > Visit us on the Kamailio World 2013, April 16th & 17th
> > => http://conference.kamailio.com/k01/                             See
> > you there!
> > =============================================================
> >
> > ng-voice GmbH
> > Schomburgstr. 80
> > D-22767 Hamburg / Germany
> >
> > http://www.ng-voice.com
> > mailto:carsten at ng-voice.com
> >
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> >
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> >
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> >
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