Did you ever figure this out? I am trying to do the same thing as well with no luck. I have a domain on multiple servers and I want to be able to rotate through each server consecutively which requires me to set the host field if I call via IP address directly.<br><br><br><br><div class="quote"><div class="quotetop">QUOTE<cite>(Bulent Vural @ 7 May 2011 1:32 AM)</cite></div><blockquote class="quotemain">Hi,<br><br>I couldn't get to work an altered "host" header in get (and post) requests.<br><br>Test page (to see headers in request) :<br><a href="http://78.129.179.50/headertest.php" rel="nofollow" target="ext">http://78.129.179.50/headertest.php</a><br><br>Table XML : <br><a href="http://78.129.179.50/test.xml" rel="nofollow" target="ext">http://78.129.179.50/test.xml</a><br><br>Test query : <br>use "http://78.129.179.50/test.xml" as testtable; select * from testtable where url='http://78.129.179.50/headertest.php'<br><br>Is it an intended behavior or an issue?<br><br>regards,<br>Bulent</blockquote></div>