Network ports

Administrative ports

Some administrative ports are required to configure your GitHub Enterprise Server instance and run certain features. Administrative ports are not required for basic application use by end users.

Port	Service	Description
8443	HTTPS	Secure web-based Management Console. Required for basic installation and configuration.
8080	HTTP	Plain-text web-based Management Console. Not required unless SSL is disabled manually.
122	SSH	Shell access for your GitHub Enterprise Server instance. Required to be open to incoming connections from all other nodes in a High Availability configuration. The default SSH port (22) is dedicated to Git and SSH application network traffic.
1194/UDP	VPN	Secure replication network tunnel in High Availability configuration. Required to be open to all other nodes in the configuration.
123/UDP	NTP	Required for time protocol operation.
161/UDP	SNMP	Required for network monitoring protocol operation.

Application ports for end users

Application ports provide web application and Git access for end users.

Port	Service	Description
443	HTTPS	Access to the web application and Git over HTTPS.
80	HTTP	Access to the web application. All requests are redirected to the HTTPS port when SSL is enabled.
22	SSH	Access to Git over SSH. Supports clone, fetch, and push operations to public and private repositories.
9418	Git	Git protocol port supports clone and fetch operations to public repositories with unencrypted network communication. If you have enabled private mode on your instance, then opening this port is only required if you also enabled anonymous Git read access. For more information, see "Enforcing repository management policies in your enterprise."

Email ports

Email ports must be accessible directly or via relay for inbound email support for end users.

Port	Service	Description
25	SMTP	Support for SMTP with encryption (STARTTLS).