[OpenSIPS-Users] media-relay error - operation not permitted
jpyle at fidelityvoice.com
Fri Feb 8 22:08:55 CET 2013
On Fri, Feb 8, 2013 at 3:19 PM, Muhammad Shahzad <shaheryarkh at gmail.com>wrote:
> In my previous experience, i see this error due to one of following
> 1. The media ports you have specified in media proxy configuration
> overlaps some other service port range, e.g. in case you are running media
> proxy and asterisk on same machine and RTP port range of asterisk overlaps
> media proxy port range.
Asterisk is running on the same machine.
port_range = 20482:32768
Having said that, one relay machine does see more Asterisk activity than
the other. Still it's activity is in the calls-per-minute range, not
2. Check dmesg, do you see this message or any relevant message from
> network stack or ethernet driver there?
No. The last relevant line is:
[ 44.905812] ctnetlink v0.93: registering with nfnetlink.
Most "irrelevant" lines are promiscuous mode reports from my tshark
[40380457.905028] Machine check events logged
The machine's uptime is just over 500 days.
> 3. Check syslog and see if you get following message or something similar
> from nf_conntrack.
> nf_conntrack: table full, dropping packet
Nothing of the sort.
4. Check ulimit and selinux, but seems from your previous posts on this
> issue that they are fine.
ulimit is handled by the application itself I believe. selinux has never
> 5. Do you have any SNAT or Multicast related rule in iptables?
No. There is no *nat table defined at all, only *mangle (to remark DSCP
EF) and *filter (basic INPUT security). No mention of multicast anywhere.
There is IPv6 but it's not used for this application.
I'd be happy to add a logging line, but I'm not familiar enough with Python
to know what to add where. Guidance is welcome!
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