Add information on using socat to eavesdrop on client/server traffic.
Add information on using socat to eavesdrop on client/server traffic.

* www/faq.html
  (net-trace): Add a brief recipe on using socat with svnserve.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@868026 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion