Port 9418 supports Git protocol and git (UDP reference coverage) across distinct transports. Review each protocol before writing firewall or monitoring policy.
Native unauthenticated Git transport served by git-daemon.
Git protocol endpoints in environments where this service is explicitly configured.
Client to server
Typically read-only and unencrypted; prefer SSH or HTTPS for authenticated or sensitive repositories.
git (UDP reference coverage) is documented as a network service convention for port 9418 over UDP.
Use this reference entry when identifying or validating systems documented to use 9418/UDP.
Varies
Confirm the listening process and current vendor documentation before permitting traffic; a listed convention does not prove the active service or its security posture.