Interface	Port	Direction	Description
C/E1/E2	9449	Inbound	Personal Email Manager load balancing, Secure Message Delivery end-user portal
C/E1/E2 (C recommended)	6671	Inbound	SSL proxy to be accessed by the Email Security module of the Security Manager
C/E1/E2	6643	Inbound	Personal Email Manager user interface
E1/E2	17700*	Inbound	Email data loss prevention system health and log data
E1/E2	25	Inbound	SMTP
E1/E2	2525	Inbound	Receipt of messages from data loss prevention function for encryption
*The port range 17700-17714 must be open for communications with Forcepoint Email Security.

Interface	Port	Direction	Description
C/E1/E2	17500-17515*	Outbound	Fingerprint status
C/E1/E2	17500-17515*	Outbound	Fingerprint repository
C/E1/E2	17443	Outbound	Registration, syslog, forensics, incidents
C/E1/E2	17444	Outbound	Fingerprint download
C/E1/E2	17500-17515*	Outbound	Message analysis
C/E1/E2	80	Outbound	Fingerprint repository synchronization
*This is the default range. The starting location of the range (17500) is configurable.

Interface	Port	Direction	Description
C/E1/E2	9443	Inbound	Email Security module of the Security Manager
E1/E2	50800	Inbound	Email Log Server
E1/E2	1433 1434	Outbound	Email Log Database default instance
E1/E2	443	Outbound	Email hybrid service
E1/E2	15868	Outbound	Filtering Service (a web protection component)
E1/E2	56992	Outbound	Linking Service (a web protection component)
E1/E2	389 636	Outbound	LDAP server
E1/E2	80	Outbound	Database download server
E1/E2	53	Outbound	DNS server
C	162	Outbound	SNMP Trap server