Opening the right ports…

When you use an Edge Server in your Exchange 2007 environment, you’ve to open some ports. Let’s open the right ports:

Incoming Traffic:
SMTP – TCP 25 – from the Internet
SMTP – TCP 25 – from the Edge Server to the Hub Transport Server

Outgoing Traffic:
SMTP – TCP 25 – from the Edge Server to the Internet
SMTP – TCP 25 – from the Hub Transport Server to the Edge Server
Secure LDAP – TCP 50636 – from the Hub Transport Server to the Edge Server
DNS – UDP 53 – from the Edge Server to the Internet
RDP – TCP 3389 – from the Hub Transport Server to the Edge Server

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