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Wiki / Configuration Parameters

ssl_dh_params_file

Specifies the name of the file containing Diffie-Hellman parameters used for so-called ephemeral DH family of SSL ciphers. The default is empty, in which case compiled-in default DH parameters used. Using custom DH parameters reduces the exposure if an attacker manages to crack the well-known compiled-in DH parameters. You can create your own DH parameters file with the command openssl dhparam -out dhparams.pem 2048. This parameter can only be set in the postgresql.conf file or on the server command line.

English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.

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boot val
Unknown
category
Connections and Authentication / SSL
context
sighup
documented
true
enumvals
Unknown
extra desc
An empty string means use compiled-in default parameters.
lang
en
max val
Unknown
metadata version
18
min val
Unknown
name
ssl_dh_params_file
short desc
Location of the SSL DH parameters file.
source
pg-settings-source-snapshot
unit
Unknown
vartype
string

Definition PG 18

Specifies the name of the file containing Diffie-Hellman parameters used for so-called ephemeral DH family of SSL ciphers. The default is empty, in which case compiled-in default DH parameters used. Using custom DH parameters reduces the exposure if an attacker manages to crack the well-known compiled-in DH parameters. You can create your own DH parameters file with the command openssl dhparam -out dhparams.pem 2048. This parameter can only be set in the postgresql.conf file or on the server command line.

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center · PostgreSQL 18 · wiki-repair-20261023:ac742661e1ad7586f2f38ea64188c6fefb10d4cacda2fe9d14afba41aa3f6bbc

Text language: en · wiki-repair-20261023:ac742661e1ad7586f2f38ea64188c6fefb10d4cacda2fe9d14afba41aa3f6bbc