How to Open Firewall Ports on a Mac - Support.com
Check port open status for port 443 - LinuxQuestions.org Jul 06, 2017 Unable to open port 443 Sep 10, 2014 debug - check port open without telnet - Server Fault
He is telling me that the ports are open, but the agent is not working. I not 100 percent sure that he successfully opened the ports but do not have the access to the firewall to double check. In the mean time, he insists that they are open. How can I prove or disprove that this ports are indeed open or not.
Aug 11, 2019
He is telling me that the ports are open, but the agent is not working. I not 100 percent sure that he successfully opened the ports but do not have the access to the firewall to double check. In the mean time, he insists that they are open. How can I prove or disprove that this ports are indeed open or not.
Check port open status for port 443 - LinuxQuestions.org Jul 06, 2017 Unable to open port 443 Sep 10, 2014