On Fri, May 18, 2007 at 03:57:01PM -0600, Mike Ciccone wrote: > I am having a problem with SSH. I can ssh from some server but not > others. I verified that there are no access-lists blocking from doing > this. When I ran Wireshark on my pc and tried to ssh to the server I > get the following line that could be telling me what the problem is. > However, I don't understand it and was hoping some out there could > explain it to me. > > Here is the line: > [TCP Dup ACK 3#2] 1320 > 22 [ACK] Seq=1 Ack=1 win=65535 Len=0 > > Does this mean anything to anyone? I'm guessing my problem lies here. > If I ssh to a server that works... I don't see this line
It has meaning once you read the source code ;). The analysis within the brackets means means that this packet is it is the 2nd duplicate ack to packet #3. Which packet number do you first receive a notice like the one above? Is it the third packet of the SYN, SYN+ACK, ACK TCP handshake or a later packet? Steve _______________________________________________ Wireshark-users mailing list Wireshark-users@wireshark.org http://www.wireshark.org/mailman/listinfo/wireshark-users