The Cabi URL is just based on the hostname where the probe is installed by webAppNamePro=cabijs
If you want to have the full URL you just need to change the host name or set the DNS to answer the desire name on the network.
Like http://server_name_FQDN/cabijs.
Soon yours DNS resolve the name the new cabi URL will work.
If you have any entry for the cabi_url on the wasp or cabi probe make sure you set this URL to the name the cabijs is reachable.
if you log in to the local server where the cabijs is installed you can open the browser by type:
http://127.0.0.1/cabijs
http://cabi_hostname/cabijs
The cabi URL will reply what is set on the DNS/network, if yours DNS is set for any name that hits the cabi server will be OK
http://DNS_name_for_the_cabi/cabijs.
or
http://hostname/cabijs.
The URL name will follow up what is on the server hostname.