Re: Postgres dying after many failed logins

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Rui DeSousa
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Re: Postgres dying after many failed logins
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A5BC5082-07CE-485A-B684-4B3127CCB76A@crazybean.net
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Postgres dying after many failed logins Lynn Carol Johnson <lcj34@cornell.edu>
Re: Postgres dying after many failed logins Tom Lane <tgl@sss.pgh.pa.us>
Re: Postgres dying after many failed logins Vijaykumar Jain <vijaykumarjain.github@gmail.com>
Re: Postgres dying after many failed logins Rui DeSousa <rui@crazybean.net>
Re: Postgres dying after many failed logins Lynn Carol Johnson <lcj34@cornell.edu>
Re: Postgres dying after many failed logins Vijaykumar Jain <vijaykumarjain.github@gmail.com>
Re: Postgres dying after many failed logins Vijaykumar Jain <vijaykumarjain.github@gmail.com>

On Nov 8, 2021, at 7:45 AM, Lynn Carol Johnson <lcj34@cornell.edu> wrote:

2021-11-05 14:35:09.197 UTC [1451469] LOG:  received smart shutdown request
2021-11-05 14:35:09.222 UTC [1451660] postgres@breedbase FATAL:  terminating connection due to administrator command

That does not look like PostgreSQL crashed but is being shutdown by RDS services due to a DOS attack.  

Two things; 

1. A firewall should be blocking the incoming rouge traffic to protect the given server; otherwise the system is open to a DOS attack.
2. Why is PostgreSQL accessible on the internet?  Normally DB servers are at least 3 deep from the internet and only internal trusted nodes should be connecting to the database.


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