Looking for logging into the Prtg Which Port site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Prtg Which Port site. After that you can login as usual with your login credentials.
https://kb.paessler.com/en/topic/61462-which-ports-does-prtg-use-on-my-system
https://kb.paessler.com/en/topic/19843-which-ports-are-required-by-prtg
https://www.paessler.com/manuals/prtg/login
https://www.de.paessler.com/snmp-port-analyzer
https://kb.paessler.com/en/topic/69775-change-web-server-port-connection
https://www.paessler.com/manuals/prtg/prtg_server_administrator
https://www.paessler.com/manuals/prtg/port_sensor
https://www.de.paessler.com/port_monitoring
https://www.paessler.com/manuals/prtg/port_range_sensor
https://kb.paessler.com/en/topic/78808-opening-firewall-ports-best-practice
https://kb.paessler.com/en/topic/5953-can-we-change-the-prtg-service-to-use-another-port
https://kb.paessler.com/en/topic/32013-complete-list-of-ports-for-firewalls
https://kb.paessler.com/en/topic/65084-how-can-i-customize-prtgs-ports-for-core-probe-connections