Unless you specifically need telnet protocol (inline IAC ... commands, and escaping them in data, and a few other oddities), netcat (nc6 is an IPv6-capable clone port) can do most of that.
sh-3.2$ nc6 www.google.com 80 nc6: using stream socket HEAD / HTTP/1.0 HTTP/1.0 200 OK Date: Fri, 05 Jul 2019 10:00:27 GMT Expires: -1 Cache-Control: private, max-age=0 Content-Type: text/html; charset=ISO-8859-1 P3P: CP="This is not a P3P policy! See g.co/p3phelp for more info." Server: gws X-XSS-Protection: 0 X-Frame-Options: SAMEORIGIN Set-Cookie: 1P_JAR=2019-07-05-10; expires=Sun, 04-Aug-2019 10:00:27 GMT; path=/; domain=.google.com Set-Cookie: NID=187=bRMcl4KM-EHmUPMGiVhwFhhjX3zFFzlJ7cB0iyJZ4zamsQ8q1vyxjJj9wp8G9XTFuB__2bBG9AOl5js8bowufSceDN_2J4yjQVHCtUhsM4lvm7rHs60u2q2DqN_8K4l7SAUHdpCGZ4PX6-RJ4fPJnpbItcpbUbiRO8sMyMAKFYI; expires=Sat, 04-Jan-2020 10:00:27 GMT; path=/; domain=.google.com; HttpOnly Accept-Ranges: none Vary: Accept-Encoding > On Jul 5, 2019, at 05:53, Balthasar Indermuehle <[email protected]> wrote: > > Telnet is a fantastic network service debugging tool, hence should always > remain included. Eg telnet xyz 80 to check if the web server is responding, > whether there’s a sensible response etc. > > But yes, using it as it’s original intent is hopefully not supported > anywhere. That’s what ssh is for these days. > > Cheers > > Balthasar > > On Fri, 5 Jul 2019 at 19:46, Richard L. Hamilton <[email protected] > <mailto:[email protected]>> wrote: > Oops, inetutils can provide at least most of the daemons, if one uses the > non-default +server option. > > -- > > Dr Balthasar Indermühle > Inside Systems Pty Ltd > 17 Gottenham Street > Glebe NSW 2037, Australia > t: +61 4 2791 2856 <> >
