I’ve had a bit going on including the release of a new reference tool for the Apple iPhone and iPod. The tool is call Packet Decode and I’ve setup an alternate site to help maintain it.

I feel bad at neglecting this site over the last few weeks, so I’ve decided to throw out another challenge. The winner will receive a free copy of the above mentioned Packet Decode tool. OK, so you will not be able to retire on the proceeds, but hopefully the tool will make your life a bit easier.

So here’s the challenge:

Write a tcpdump or Windump filter that will only capture packets that have the TCP “Window Scale” option set. All other TCP option settings can be ignored.

Pretty simple, eh? First person to post the answer in the comments section gets the prize.

Related posts:

1. TCP Options Challenge – clues
2. TCP Options – Final clue
3. Tshark Decode Challenge
4. Tshark Challenge – Hints 3
5. Tshark Challenge – Uber-geek Answer

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