nsca - weird.

[Carroll, Jim P [Contractor]]

If you're concerned about the close_waits and your server is Linux based, do
this:

  echo 120 > /proc/sys/net/ipv4/tcp_keepalive_time

and add that to your rc.local as well.

(By default, it's typically set to 7200, which is 2 hours, which might be
considered excessive.)

I don't know if this will guarantee immediate relief from your problem, but
let us know if it does.

jc

> -----Original Message-----
> From: Jasmine Chua [mailto:jasmine.chua at securecirt.com]
> Sent: Wednesday, December 04, 2002 12:40 AM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] nsca - weird.
> 
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hi nagios users,
> 
> In the background process I could see that nagios is 
> submiting results to our 
> central monitoring server... but, when i tried to execute the plugin 
> manually. I got a timeout. 
> libexec # ./submit_check_result xxx.xxx.xxx.xxx users 0 
> check-users-runaway
> Error: Timeout after 10 seconds
> On our central monitoring server, theres a lot of close_wait 
> sessions when i 
> do a netstat ..It is still receiving passive checks, but apparently.. 
> something is still wrong.. could anyone tell me? Has this got 
> to do with 
> latency? 
> 
> 
> Jasmine Chua
> Security Engineer, SecureCiRT (A SBU of Z-Vance Pte Ltd)
> http://www.securecirt.com
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> uoFFT+iLqRq62FrhzvDWl1s=
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> 
> 
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