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How can sniff the http packets on firefox?


I want to be able to read each and every http packet firefox is receiving. Basically I want to do this for troubleshooting a network problem.

I have found "live http headers" and httpwatch. Other than these does firefox have any inbuilt mechanism to view each packet?

Additional System Details

Installed Plug-ins

  • nspluginwrapper is a cross-platform NPAPI plugin viewer, in particular for linux/i386 plugins.This beta software is available under the terms of the GNU General Public License.
  • Shockwave Flash 10.3 r181


  • User Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110429 CentOS/3.6-1.el5.centos Firefox/3.6.17

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Helpful Reply

You can also look at Wireshark.