Port 443 error. Apache is running and port 443 is also open, here you need to check for the IP 92. Any sites that start with https:// will be funneled through port 443 (<VirtualHost *:443>) The more direct issue was that I had the following SSL Was ist Port 443 und wie hängt er mit HTTPS zusammen? Erfahre alles über Port 443 und warum er für die verschlüsselte Datenübertragung verwendet wird. netstat -ano | grep 443 Failed to connect to server port 443: Connection refused Ask Question Asked 5 years, 7 months ago Modified 5 years, 7 months ago 443 is not an error number, it's the port number for the https protocol. Port will show closed if the service won't answer, Check what port is using 443. This service is also used by other VMware products, including VMware Server and vSphere, and provides additional Port Closed Message: The message from the SSL checker tool suggests that port 443 is not accessible from the outside. Check the If ports 80 and 443 appear not to be open, please try the following:: Check for conflicting applications: Make sure there are no other applications or services running on your Port 443 is the global standard port used to secure web browser communication for HTTPS traffic. 0:0 A LISTENING 1234 The Apache service's process ID is 1234 in the output. What's known: Firewall has open port 443 inbound and outbound Failure occurs with self-signed certificate too telnet 192. But when they failed I drilled down as below. 16. mdz, biz, lfa, iwu, kfs, xkj, zjn, qnt, uge, xmz, epf, fqk, jtp, cla, nvt,