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Article version: Enterprise Server 2.19

Network ports

Open network ports selectively based on the network services you need to expose for administrators, end users, and email support.

In this article

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.

PortServiceDescription
8443HTTPSSecure web-based Management Console. Required for basic installation and configuration.
8080HTTPPlain-text web-based Management Console. Not required unless SSL is disabled manually.
122SSHShell 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/UDPVPNSecure replication network tunnel in High Availability configuration. Required to be open to all other nodes in the configuration.
123/UDPNTPRequired for time protocol operation.
161/UDPSNMPRequired for network monitoring protocol operation.

Application ports for end users

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

PortServiceDescription
443HTTPSAccess to the web application and Git over HTTPS.
80HTTPAccess to the web application. All requests are redirected to the HTTPS port when SSL is enabled.
22SSHAccess to Git over SSH. Supports clone, fetch, and push operations to public and private repositories.
9418GitGit protocol port supports clone and fetch operations to public repositories with unencrypted network communication.

Warning: When terminating HTTPS connections on a load balancer, the requests from the load balancer to GitHub Enterprise Server also need to use HTTPS. Downgrading the connection to HTTP is not supported.

Email ports

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

PortServiceDescription
25SMTPSupport for SMTP with encryption (STARTTLS).

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