On Monday 14 April 2008, Chris Smith wrote: > I took a tcpdump and they are all TCP RST packets. > > Further investigation shows that the destination ports match state > entries of gmail pop3s connections. I do use fetchmail on my server > to fetch my Google hosted email via pop3s. But why would TCP RST > packets be sent from these rfc1918 addresses?
Also have since verified that if I stop my fetchmail service the TCP RST packets from 172.21.x.y stop as well. When I start fetchmail back up the TCP RST packets return. -- Chris