This is our old Q&A Site. Please post any new questions and answers at

need to apply filter is to identify any tcp connection timeout

asked 07 Oct '13, 13:34

KT1979's gravatar image

accept rate: 0%

It depends on the kind of timeout you talk about. If you mean an application timeout where it shuts down the socket you'll see a reset packet. You can filter for that by using "tcp.flags.reset==1".

But if you're talking about "Keep Alives", you could filter for "tcp.analysis.keep_alive".

permanent link

answered 07 Oct '13, 13:47

Jasper's gravatar image

Jasper ♦♦
accept rate: 18%

If you are looking for connections with only SYN frames (no SYN-ACK), aka 'timed out connection attempts', please see my answer in the following question, especially the third answer (MATE):

tshark is another option:


permanent link

answered 07 Oct '13, 14:10

Kurt%20Knochner's gravatar image

Kurt Knochner ♦
accept rate: 15%

Your answer
toggle preview

Follow this question

By Email:

Once you sign in you will be able to subscribe for any updates here



Answers and Comments

Markdown Basics

  • *italic* or _italic_
  • **bold** or __bold__
  • link:[text]( "title")
  • image?![alt text](/path/img.jpg "title")
  • numbered list: 1. Foo 2. Bar
  • to add a line break simply add two spaces to where you would like the new line to be.
  • basic HTML tags are also supported

Question tags:


question asked: 07 Oct '13, 13:34

question was seen: 42,781 times

last updated: 07 Oct '13, 14:10

p​o​w​e​r​e​d by O​S​Q​A