Port 6697
IRC-SSLEncrypted IRC connections over SSL/TLS
Full name:
IRC over SSL/TLS
What is port 6697?
Port 6697 is used for SSL/TLS-encrypted IRC connections. It is strongly recommended over the unencrypted port 6667 to protect chat sessions and credentials. Most modern IRC networks including Libera.Chat and OFTC support TLS on port 6697.