You may have to open and/or forward the address on your router or network firewall. Allows you to monitor response time from different locations. HTTP was created for website monitoring and checking performance and availability of any URLs from many countries and datacenters. Tcp 0 0 127.0.0.1:52421 127.0.0.1:443 TIME_WAITįor SSL we can use openSSL $ openssl s_client -connect 127.0.0.1:443 Ping allows you to test the reachability of a host and to measure the round-trip time for messages sent from the originating host to a destination computer. Now increasingly the word meant not Ping utility network system, namely. Also, it is used to check the accessibility of a computer / device on network. This program allows you to measure response time (sometimes say 'reaction time') computer to query the network. We can also do by checking NETSTAT $ netstat -antl | grep 443 Ping (ping) - is a network command that comes with all modern operating systems. This confirms port is listening $ telnet 127.0.0.1 443 Telnet: Unable to connect to remote host: Connection refused verification that there is a listener on that port). , along with other similar sites, offers online web services, for instance DNS lookup, ping, traceroute, and port check. you can just telnet to port 443, both on localhost (127.0.0.1) as well as on your machine's IP address.(You have already done this what I saw.) You should at least get an answer (ie. Verify that you can connect from your local machine.

Steps you need to do to check your port :

Ping eu port chk