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Re: Postgres listens on random port

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Agreed - it sounds like OP found a client process and mistook it for a server process, which is why I wanted to know where exactly he saw this.

On Tue, Nov 5, 2024 at 9:41 AM Ron Johnson <ronljohnsonjr@xxxxxxxxx> wrote:
On Tue, Nov 5, 2024 at 9:22 AM Kal <kalel.code11@xxxxxxxxx> wrote:

On Tue, 5 Nov 2024 at 7:42 PM, Greg Sabino Mullane <htamfids@xxxxxxxxx> wrote:
Start by seeing where the port is actually being set by running this:

select setting, source, sourcefile, sourceline from pg_settings where name = 'port';
Cheers,
Greg

Hi Greg,

The query output states the source as command line. Event the port value output from show port is same as given in pg_ctl command.

But the database is listening on some other random port.
 
Client applications use a random port on their host:  In this case, 10.176.242.216 is the client, and 10.109.165.4, and 10.176.252.201 are the DB servers:

$ netstat -an | grep :5432
tcp        0      0 10.176.242.216:37086    10.109.165.4:5432       ESTABLISHED
tcp        0      0 10.176.242.216:43256    10.176.252.201:5432     TIME_WAIT  
tcp        0      0 10.176.242.216:36172    10.143.170.55:5432      TIME_WAIT  
tcp        0      0 10.176.242.216:36142    10.143.170.55:5432      TIME_WAIT  
tcp        0      0 10.176.242.216:36156    10.143.170.55:5432      TIME_WAIT  
tcp        0      0 10.176.242.216:36174    10.143.170.55:5432      TIME_WAIT  
tcp        0      0 10.176.242.216:38998    10.109.165.4:5432       TIME_WAIT  
tcp        0      0 10.176.242.216:36186    10.143.170.55:5432      TIME_WAIT  
tcp        0      0 10.176.242.216:36188    10.143.170.55:5432      ESTABLISHED
tcp       19      0 10.176.242.216:36196    10.143.170.55:5432      ESTABLISHED
tcp       19      0 10.176.242.216:36208    10.143.170.55:5432      ESTABLISHED
tcp        0      0 10.176.242.216:36210    10.143.170.55:5432      ESTABLISHED


--

Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> crustacean!

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