Re: TCP info spamming the logs and dmesg

From: Eygene Ryabinkin <rea-fbsd_at_codelabs.ru> Date: Thu, 16 Aug 2007 20:34:05 +0400 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:16 UTC

Mike, good day.

Thu, Aug 16, 2007 at 11:14:08AM -0400, Mike Jakubik wrote:
> I recently did an update on my -CURRENT system, and i am now seeing a lot
> of TCP messages from the kernel which are spamming my dmesg and
> /var/log/messages.
> 
> ---
> TCP: [217.81.3.76]:2978 to [99.244.15.156]:80; syncache_timer: Response
> timeout, retransmitting (1) SYN|ACK
> TCP: [58.254.32.40]:6926 to [99.244.15.156]:21; syncache_timer:
> Retransmits exhausted, giving up and removing syncache entry
> TCP: [58.254.32.40]:4342 to [99.244.15.156]:21; syncache_timer: Response
> timeout, retransmitting (3) SYN|ACK
> TCP: [209.47.38.69]:17523 to [99.244.15.156]:80 tcpflags 0x4<RST>;
> syncache_chkrst: Spurious RST without matching syncache entry (possibly
> syncookie only), segment ignored
> ---
> 
> Is there any way to disable these, or have them log to a separate log?

sysctl net.inet.tcp.log_debug=0 will disable them.
-- 
Eygene