6.4.0 to 6.4.1

Configuration options

There are some possible adjustments to the configuration file that you might need to make before upgrading.

TLS certfile and keyfile

There are following places in the TOML configuration file where you can set up TLS certificates:

• Outgoing connection pools
• S2S outgoing connections
• C2S listener
• S2S listener
• Component listener
• HTTP listener
• Global distribution module

In all such places, you specify the certificate file with the certfile option, and the private key file with the keyfile option. However, previous versions of MongooseIM also allowed putting the certificate concatenated with the private key into one file referenced with the certfile option. This is no longer accepted due to an update in Erlang/OTP 28.1, and you need to make sure to use separate certfile and keyfile before upgrading MongooseIM.