On 6/27/06, Mikhail Teterin <mi+mx at aldan.algebra.com> wrote: > Hello! > > I just noticed, that on my recent "6.1-STABLE #4: Thu Jun 8" amd64 system > attempts to connect to a bogus port (like 6666) hang instead of failing > with "Connection refused" immediately, as they on other systems. My first thought is net.inet.tcp.blackhole sysctl.