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Brummbaer scram2md5 #7

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Brummbaer scram2md5 #7

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fc44992
PostgreSQL downgrade encryption from SCRAM to md5
brummbaer Mar 5, 2022
2749ac8
consider downgrading from SCRAM2md5
brummbaer Mar 5, 2022
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5 changes: 5 additions & 0 deletions README.md
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Expand Up @@ -10,6 +10,11 @@ Available authorization method are `trust`, `password` and `md5`.
Due to code size limit, `md5` method may be disabled in compilation time,
decreasing code size for Arduino by some kilobytes.

If `md5` is specified as a method in `pg_hba.conf` but the user's password on the PostgreSQL server is encrypted for SCRAM,
then SCRAM-based authentication will automatically be chosen instead.
As a workaround, consider downgrading password encryption in PostgreSQL from SCRAM to md5 in `postgres.conf`.
Then renew user passwords on PostgreSQL server if already created.

All methods are asynchronous, but sometimes may block for a while in case of poor network connection.

As column names and notifications are rarely needed in microcontrollers applications, may be disabled.
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