11 May
2012
11 May
'12
2:10 a.m.
On Fri, 11 May 2012, James Harper wrote:
Is it possible to have netfilter generate keepalive packets for connections? I have some proprietary windows services that communicate with each other through a few Linux routers, and I suspect that some connections are timing out (or being selected for purging from the connection tracking due to other more-active connections).
Sounds like http://en.wikipedia.org/wiki/Transmission_Control_Protocol#Connection_hijack... to me. But even if you get the sequence right - the real sender will send one with the same sequence. That doesn't look good.. Regards Peter