Need Help with Firewall Configuration...

[schu]

hi,

My firewall is in front of the mail gateway and should protect it. But which ports have to be open? and why?

S. Chu

 

[christian]

Hello Chu!

The firewall setup information is available at our Adminguide Documentation:
Adminguide - PDF File

Addional a list of required ports:


Service Port Protocol From To
--------------------------------------------------
SMTP 25 TCP Proxmox Internet
SMTP 25 TCP Internet Proxmox
NTP 123 TCP/UDP Proxmox Internet
DCC 6277 UDP Proxmox Internet
DNS 53 TCP/UDP Proxmox DNS Server
HTTP 80 TCP Proxmox Internet

Regards, Christian