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Old 11-13-2010, 10:39 AM   #1
markmo
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Registered: Apr 2010
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Syslog alerts not triggering to server (Redhat Enterprise 5)


Hi,
I've just set up a windows server and other windows boxes send alerts to it no problem.
Yesterday I configured my linux box (RHEL 5) using /etc/sysconfig/syslog and /etc/syslog.conf so that all alerts would go to the syslog server.
There are no external firewalls involved and while the firewall is working on my linux box - I have made sure port 514 TCP/UDP are let through.
Ive checked syslogd and klogd are running.
I've also applied the '* @10.20.30.40' line in etc/syslog.conf. Basically Id like everything to go to the syslog server.
Now if I telnet to the syslog server on port 514 I can type text on the linux box and it comes through on the syslog server. Great - but no syslog alerts seem to come through normally, even when I reboot the box.
I've tried *., .*, and * to no avail, ive got an entry in my hosts file for the server 10.20.30.40 and tried using a name instead of an ip address, no luck.
I've tried syslogd -d, I can see its referring to the correct server - but again no alerts come through.
Any help with this would be welcome.
M
 
Old 11-13-2010, 01:24 PM   #2
acid_kewpie
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Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
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Not a networking question, moved to linux-software.

As for the problem, divide and conquer! You're clearly changing around the bonding left, right and centre, with no idea if the traffic is ever want to the server in the first place. Run 'tcpdump -vn port 514' on the client and server and see if traffic is leaving one end and reaching the other. If nothing is being sent, the firewall is irrelevant....

Last edited by acid_kewpie; 11-13-2010 at 01:30 PM.
 
  


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