| Type: | integer |
| Default: | 5432 |
| Min: | 1 |
| Max: | 65535 |
| Context: | postmaster |
| Restart: | true |
The TCP port the server listens on; 5432 by default. Note that the same port number is used for all IP addresses the server listens on. This parameter can only be set at server start.
Recommendations
Alternate ports are primarily useful for running several versions, or instances, of PostgreSQL on one machine. However, if you're using an alternate port to support several versions, it's often better to compile in the port number.
On StackOverflow
On pgsql-hackers
- Re: Support for NSS as a libpq TLS backend
- Re: Extensibility of the PostgreSQL wire protocol
- Re: Log message for GSS connection is missing once connection authorization is successful.
- Re: Proposal: Save user's original authenticated identity for logging
- Re: Free port choosing freezes when PostgresNode::use_tcp is used on BSD systems