From: grahn+nntp@snipabacken.se   
      
   On Mon, 2013-12-16, sangeeta chowdhary wrote:   
   > On Thursday, December 12, 2013 11:43:55 PM UTC+5:30, Rick Jones wrote:   
   >> sangeeta chowdhary  wrote:   
   >>   
   >> > I have one question related to TCP keepalive timer. If keepalive   
   >>   
   >> > timer expires, then we send a probe packet, and client respond with   
   >>   
   >> > ack. I want to know where this ACK is processed.   
   >>   
   >> Somewhere in the TCP code - where exactly will depend on the specific   
   >>   
   >> stack (Linux, BSD, HP-UX, AIX, Solaris, etc etc).   
   >   
   > Somewhere means where in Linux, I tried to find in tcp_ack(),   
   > but I didn't see anything related   
   > to Keepalive Probe packet ACK.   
      
   There are some sysctls in Linux where you can tune this, e.g.   
   tcp_keepalive_intvl.  Trace the usage of that one through the kernel,   
   and I suspect you will find the code which is responsible for the   
   feature.   
      
   /Jorgen   
      
   --   
     // Jorgen Grahn    O  o   .   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)