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To configure SSL support for Spectrum2 in server mode, you have to generate server-side certificate, convert it to PKCS#12 format and configure path to it in Spectrum 2 config file.

This article describes how to generate self-signed server certificate and use it in Spectrum 2.

Setup your own CA (Certificate Authority)

$ openssl genrsa -des3 -out my-ca.key 2048
$ openssl req -new -x509 -days 3650 -key my-ca.key -out my-ca.crt

Make a key and a certificate for the server

When prompted for “Common Name (eg, your name or your server’s hostname) []:”, add the hostname/JID of your transport (for example “localhost”).

When prompted for “A challenge password []:”, do not set it.

$ openssl genrsa -des3 -out spectrum2-server.key 1024
$ openssl req -new -key spectrum2-server.key -out spectrum2-server.csr
$ openssl x509 -req -in spectrum2-server.csr -out spectrum2-server.crt -sha1 -CA my-ca.crt -CAkey my-ca.key -CAcreateserial -days 3650

Convert server key and certficate to PKCS#12 format

When generating pkcs12 file, do not set the Export password. Spectrum 2 currently doesn’t parse pkcs12 certificates with password.

$ openssl pkcs12 -export -in spectrum2-server.crt -inkey spectrum2-server.key -out spectrum2-server.p12

Set path to certificate in config file

Set the path to cert and configure certificate password if you set one for the pkcs12 file.