To connect to this ZNC you need to connect to it as your IRC server
[ ** ] using the port that you supplied.  You have to supply your login info
[ ** ] as the IRC server password like this: user/network:pass.
[ ** ] 
[ ** ] Try something like this in your IRC client...
[ ** ] /server <znc_server_ip> 1212 l4sts4mur4i:<pass>
[ ** ] 
[ ** ] To manage settings, users and networks, point your web browser to
[ ** ] http://<znc_server_ip>:1212/