The portreserve program aims to help services with well-known ports that lie in the bindresvport() range. It prevents portmap (or other programs using bindresvport()) from occupying a real service’s port by occupying it itself, until the real service tells it to release the port (generally in its init script).
I work on this application as part of my job at Red Hat.
Download tarball releases from:
See the portreserve project on Pagure.
Report issues at Pagure.