[lkml]   [2010]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC PATCH] network: return errors if we know tcp_connect failed
From: Alexey Kuznetsov <>
Date: Fri, 12 Nov 2010 20:46:20 +0300

> The only loophole is ICMP error in the same case as yours. In
> _violation_ of specs linux immediately aborts unestablished connect
> on an icmp error. IMHO that thing which you suggest is correct (of
> course, provided you filter out transient errors and react only to
> EPERM or something like this). It was not done because it was
> expected firewall rule prescribing immediate abort is configured
> with "--reject-with icmp-port-unreachable", otherwise the rule
> orders real blackhole.

The idea to signal on -EPERM might be OK, but if that's also
what things like "-m statistical" and friends end up reporting
then we still cannot do it.

 \ /
  Last update: 2010-11-12 20:31    [W:0.077 / U:1.764 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site