How to track the Http Protocol on the Server

We do have many client specific tools (i.e. Httpwatch, Wfetch...) to track the Http Protocol however I want to track http protocol (headers) on the server end.

Please 开发者_开发问答let me know if we have any tool to do this on the server end.

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WireShark is my favorite tool to do that. CLIENT and/or SERVER side. Is't free, very useful, used with many (not only HTTP) protocols and multiplatform.

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WireShark is good tool, but if you love command line give tcpdump a try