The instructions @ericklan posted are on the right track, though they aren't quite clear to me and seem to recommend more than is necessary....
Find the file called: php.ini on your server and follow below steps With apache2 and php5 installed you need to make three changes in the...
1. Configure Proxy Clients Configure proxy settings like follows on Debian Client. root@client:~# vi /etc/profile # add follows to the end (set proxy settings...