http://blogs.msdn.com/johnls/archive/2006/05/06/ethereal-network-packet-protocol-analyzer.aspxI just rediscovered the Ethereal network protocol analyzer . I was trying to track down a problem using the tcptrace proxy which is a nice simple little tool when it works. I'm not quite sure what the problem was, but I was seeing different behavior whenen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/johnls/archive/2006/05/06/ethereal-network-packet-protocol-analyzer.aspx#591921Sun, 07 May 2006 19:48:21 GMT91d46819-8472-40ad-a661-2c78acb4018c:591921Jason Haleyhttp://blogs.msdn.com/johnls/archive/2006/05/06/ethereal-network-packet-protocol-analyzer.aspx#591972Sun, 07 May 2006 22:45:10 GMT91d46819-8472-40ad-a661-2c78acb4018c:591972leppieNot the greatest UI, but how else would you fit all the info in? I love it :)http://blogs.msdn.com/johnls/archive/2006/05/06/ethereal-network-packet-protocol-analyzer.aspx#592526Mon, 08 May 2006 20:32:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:592526JeffCurlessThe only problem I have with ethereal is the winpcap driver doesn't work so well on dual processor systems.  Or atleast it didn't used to.  The version I had would explicitly unload itself.  Or die trying.  Hope you like the color blue!