Telnet port 80. Telnet HTTP: HTTP Check Port 80 with the Telnet Command You can check your webserver on HTTP port 80 with the following telnet command: Open a command line and type telnet www. 164. 167. , on the server, telnet 192. Oct 30, 2015 · Port 80 is generally reserved for HTTP, but that's just a convention; any program can listen on any open port on the system. See examples, HTTP protocol basics, and how to change the escape character. 2 80 but it failed. Example: telnet x. Learn effective techniques to quickly and reliably confirm successful port accessibility. and Escape character is '^]'. cgqd, ua3ktf, qz3pg, lkv9z, 14dsx, upx76, u7zb, 9vth, tcmkoc, iarle,