On 20/05/16 14:54, Vladimir Zakharov wrote: > Hello > > On Fri, May 20, 2016, O. Hartmann wrote: >> I reported earlier about broken pipes in ssh sessions to remote hosts, >> which occur on an erratic basis. i'm investigating this problem now and >> it seems that it is also ipfw-related, but I'm not sure. This problem >> is present since a couple of weeks now. > > Maybe this could help... > > I've also experienced problems with broken pipes in ssh sessions some > time ago. Setting in sysctl.conf > > net.inet.ip.fw.dyn_ack_lifetime=3600 > > fixed problem for me. I didn't experiment with the value though. So, > possibly, changing default value (300s) to 1 hour is overkill :). By default the OpenSSH SSH client is configured to use TCP keepalives. Those should produce enough packets at a short enough interval to keep the dynamic IPFW state established. Does your traffic pass through libalias?Received on Fri May 20 2016 - 11:28:45 UTC
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