Hey Alsa
Did you verify the site is running on port 5002?
What is your output for (as site user):
OMD[SITENAME]:~$ cat etc/apache/listen-port.conf
OMD[SITENAME]:~$ netstat -nlp | grep apache
OMD[SITENAME]:~$ cat etc/apache/proxy-port.conf
Are you using ssl?
Cheers Jens