What to do when ctrl+c not killing your telnet command

To check if ports are open or not, we usually do the following:

telnet IP PORT

For example:

telnet 25

Sometimes after seeing your result, you keep pressing ctrl+c, ctrl+x or ctrl+\ to force quit it, but it just doesn’t! It seems silly I know and I feel a bit stupid for writing this, but it was driving me crazy at some point!

Anyway, just press ctrl+5 or ctrl+] and then type quit, that’s it!! This works the same way on Linux, MAC and Windows.

user@server:~$ telnet xxx.xx.xxx.xxx 25
Trying xxx.xx.xxx.xxx…
Connected to xxx.xx.xxx.xxx.
Escape character is '^]'.
220 *
telnet> quit
Connection closed.



About SoCRaT

Systems Engineer, OSS & Linux Geek
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