How to test an HTTP proxy by using telnet

What you need

What to do

The initial telnet: > symbolises your shell prompt.

We will contact an SMTP server, but this is just an example; we could just as well connect to a POP, NNTP or other service.

telnet: > telnet 8080
telnet: Trying
telnet: Connected to
telnet: Escape character is '^]'.
client: CONNECT HTTP/1.0

server: HTTP/1.0 200 Connection established

server: 220 ESMTP server ready Thu, 5 Feb 2004 00:38:22 +0200

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/misc/telnet-troubleshooting/http-proxy.shtml /misc/telnet-troubleshooting/http-proxy.shtml Tuesday, 06-Dec-2016 12:03:38 GMT