If your whitelisted ip is w.w.w.w and outgoing interface is o.o.o.o For any request twitter will see o.o.o.o as your ip address. Not w.w.w.w if you have w.w.w.w interface attached to your host and its an Internet gateway but not the default gateway (o.o.o.o) you can bind all the twitter connection from w.w.w.w interface. In curl we do this by
curl --interface w.w.w.w http://twitter.com/account/rate_limit_status.xml -- Shiplu Mokaddim My talks, http://talk.cmyweb.net Follow me, http://twitter.com/shiplu SUST Programmers, http://groups.google.com/group/p2psust Innovation distinguishes bet ... ... (ask Steve Jobs the rest)