Re: [SR-Users] UDP send: Operation not permitted

2016-03-11 Thread Daniel-Constantin Mierla
Hello, this proves again my theory that best options one could get for contrack and selinux is to disable them completely ... Anyhow, great that you reported back, I am sure it will help others over the time. Cheers, Daniel On 11/03/16 14:49, Sebastian Damm wrote: > Hi, > > just to resolve this

Re: [SR-Users] UDP send: Operation not permitted

2016-03-11 Thread Sebastian Damm
Hi, just to resolve this thread, we found the reason for the problem. It occurs, when we try sending out packets to a customer, which look identical to netfilter, at roughly the same time. Those could be for example forked calls to two extensions registered on the same device (a FRITZ Box for exam

Re: [SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Andres
On 9/16/15 4:00 AM, Sebastian Damm wrote: Hi, we have a load balancer which is handling a lot of SIP traffic all day. There's always 20-40 Mbit SIP traffic going through. From time to time we see in our logs messages like these: Sep 16 09:46:28 ecker /usr/sbin/kamailio[25505]: ERROR: [udp_

Re: [SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Sebastian Damm
On Wed, Sep 16, 2015 at 10:44 AM, Daniel Tryba wrote: > You should look at the OS level, the error is from the kernel. > I know, but dmesg, syslog or kernel log don't say anything. > Are you runing out of sockets/files? It the connection tracker full? > The connection tracking table is monito

Re: [SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Daniel Tryba
On Wednesday 16 September 2015 10:00:53 Sebastian Damm wrote: > Has anyone ever seen this? It looks like a load thing, because at weekends > there are significantly less errors. You should look at the OS level, the error is from the kernel. Are you runing out of sockets/files? It the connection t

Re: [SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Sebastian Damm
On Wed, Sep 16, 2015 at 10:21 AM, Sven Neuhaus wrote: > Could it be that you are trying to send from an ip address that is down > at the time? > Interesting thought, but all interfaces on the machine are up at this time. And we are not manipulating the sending socket, so the address where the pa

Re: [SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Sven Neuhaus
Am 16.09.2015 um 10:00 schrieb Sebastian Damm: > Has anyone ever seen this? It looks like a load thing, because at > weekends there are significantly less errors. Could it be that you are trying to send from an ip address that is down at the time? We see log messages like this on the standby mach

[SR-Users] UDP send: Operation not permitted

2015-09-16 Thread Sebastian Damm
Hi, we have a load balancer which is handling a lot of SIP traffic all day. There's always 20-40 Mbit SIP traffic going through. From time to time we see in our logs messages like these: Sep 16 09:46:28 ecker /usr/sbin/kamailio[25505]: ERROR: [udp_server.c:591]: udp_send(): ERROR: udp_send: send