2022.1

Firewall/Port considerations
The following describes all of the ports that can be used by an OL Connect solution. IT staff
may decide the firewall strategy to follow for their internal requirements and needs depending
on the statements outlined herein.
Listens on
port #
Destination
port #
Type Comment
Messenger 5863/5864 5863/5864 TCP+UDP
Used for inter-module
communication
Connect Server 9340 TCP Used for Connect REST API
Connect Server 9350 TCP
Dedicated internal
connection for inter-process
communication (i.e. between
engines)
HTTP Server 8080 TCP
HTTPS Server 443 TCP
NodeJS Server 9090 TCP
NodeJS HTTPS
Server
8443 TCP
SMTP Input plugin
25, or 587 when
encryption is
enabled
TCP
Email Input plugin 110 TCP Default POP3 port
Secure Email Input
plugin
993 TCP
Send Email plugin 25 TCP Default SMTP port
Secure Email
Output plugin
587 TCP
LPR 515 TCP
LPD 515 TCP
Telnet 9100 TCP
FTP Input/Output 21 TCP
MySQL 3306 TCP+UDP
Microsoft SQL
Server
1433 TCP+UDP
HyperSQL 9001 TCP
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