See the table below for the list of ports that the Omnibus GitLab assigns by default: Component On by default Communicates via Alternative Connection port GitLab Rails Yes Port X 80 or 443 GitLab Shell Yes Port X 22 PostgreSQL Yes Socket Port (5432) X Redis Yes Socket Port (6379) X Puma Yes Socket Port … Continue reading GitLab Tutorials: Omnibus GitLab assigns following Ports by default