Re: Question regd timestamp option

2005-08-12 Thread Chuck Swiger
Miku Jha wrote: [ ... ] The situation is that if the client crashes, the server eventually sends a RST (10.39.53) Following this RST, the client comes back in lets say around 2-3 minutes. Now when the client sends a SYN(10.42.23), there is no timestamp option. If the client opens a connection

Re: Question regd timestamp option

2005-08-12 Thread Miku Jha
--- Chuck Swiger <[EMAIL PROTECTED]> wrote: > jha miku wrote: > > In case of active open, the SYN segments always > have > > timestamp enabled, since the RFC flg is set. But, > > Currently, I am seeing some SYN segments without > > timestamp option. > > FreeBSD (and OS X, and other things using

Re: Question regd timestamp option

2005-08-12 Thread Chuck Swiger
jha miku wrote: In case of active open, the SYN segments always have timestamp enabled, since the RFC flg is set. But, Currently, I am seeing some SYN segments without timestamp option. FreeBSD (and OS X, and other things using a BSD network stack) will generate initial TCP SYN packets contain

Re: Question regd timestamp option

2005-08-11 Thread Noritoshi Demizu
> Are there other situations when timestamp gets disabled? In case of active open and net.inet.tcp.rfc1323 is set to non-zero, one possibility is TCP_NOOPT is turned on by setsockopt(). But I do not know which applications use TCP_NOOPT. Regards, Noritoshi Demizu > From: jha miku <[EMAIL PROTEC