500 internal server , Cgi website
 

Hello :

my customer website , not open due 500 internal server error on LS .
but when switch to Apache problem resolved !

Server log :

2012-11-14 15:24:50.831 [NOTICE] [37.98.73.97:59077-0#APVH_share.liga.ir] Premature end of response header.

please guide ..

Regards

Is it CGI?
You need to strace the cgi process to find out what happened.
It may not send back CGI response header at all.