What else would you want to listen on port 80? apache-ssl typically listens on port 80 for normal http requests, and port 443 for https requests (though these can be changed). If you don't want it listening on port 80, change the line in httpd.conf that says "Listen ...". You can set it up only to listen on certain ports for certain interfaces.
Listen 198.162.0.1:80 # For instance
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