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Re: Post-RHEL-patch: application cannot connect to PostgreSQL on dolnxdb099pv:6526 (local access works) - Mailing list pgsql-admin

From dbatoCloud Solution
Subject Re: Post-RHEL-patch: application cannot connect to PostgreSQL on dolnxdb099pv:6526 (local access works)
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Msg-id CAEz7P_uY_62OHuMKzb16AUGn5A3phGvogZM0Dkg9eSfvw=w7MQ@mail.gmail.com
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In response to Re: Post-RHEL-patch: application cannot connect to PostgreSQL on dolnxdb099pv:6526 (local access works)  (Laurenz Albe <laurenz.albe@cybertec.at>)
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Hi Laurenz

dolnxdb099pv ~]$ sudo firewall-cmd --list-ports
22/tcp 6526/tcp

dolnxdb099pv ~]$ sestatus
SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   enforcing
Mode from config file:          enforcing
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      31

 


On Fri, Oct 2, 2026 at 8:28 AM Laurenz Albe <laurenz.albe@cybertec.at> wrote:
On Fri, 2026-10-02 at 07:59 +0400, dbatoCloud Solution wrote:
> Could you please check from your side whether the patching activity changed the host firewall,
> SELinux state, or any security/network agent configuration on dolnxdb099pv?

Sorry, but you will have to ask your system administrators.
This mailing list is for questions your database administrators might have
about running PostgreSQL.

Yours,
Laurenz Albe

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