Bring telnet back on macOS high Sierra

After I’ve upgraded macOS to high Sierra (10.13) the telnet was removed. So, in this topic we’ll bring the telnet back again.

First one you need a homebrew, if not let’s type this command to install them.

Install Homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Second, install telnet using homebrew

brew install telnet

Wait until install finished.

Playing with telnet

Now we have telnet installed so let’s try to play with them.

telnet cis.poly.edu 80

Enter the http request header.

GET /~ross/ HTTP/1.1
HOST: cis.poly.edu

and you’ll get output like this.

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