My server have problem with facebook
 

How do i can fix my server coz is have problem for a few week
1.can not work good with facebook is go slow and sometime error
2.if i clear proxy is work but need to clear many time per day
3.if i restart bind 9 is work good but just moment then have problem again i need to restart bind 9 again

i not want to do like this is very busy have some one know how to fix squid or other
i use squid 3.0

and is work good with load balance

Need to improve the question.

I take it you are hosting a Facebook app?