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Questions tagged [telnet]

For questions about Telnet, a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it is usually replaced with more secure and flexible SSH protocol.

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How to quit QEMU monitor?

I launched KVM VM with this command: kvm /kvm/hdd/v1/v1-1.raw -m 512 -daemonize -smp 2 -nographic -net nic,model=virtio,macaddr=aa:aa:aa:aa:aa:01 -net tap,ifname=tap0 -monitor telnet:localhost:7001,server,nowait,nodelay Then I connect to the…
artem
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Can the Windows telnet client be scripted?

Is it possible to use the Windows Telnet client to run a series of commands in a script? If not are there any alternatives that can be?
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Enabling the telnet client for all Windows 7 PCs on a domain

The telnet client is disabled by default in Windows 7. I would like to enable the telnet client for all Windows 7 PCs in our domain. I know how to enable it manually: Start Control Panel Programs And Features Turn Windows features on or off Check…
ICTdesk.net
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Telnet Results in "Connection closed by foreign host"

I'm not a networking guy, so I apologize if my question is dumb. I have two Ubuntu machines setup on Amazon EC2. I need to "talk" from one to the other via port 9300. On my receiving machine, I ran the following from the command-line. netstat -ntlup…
user312840
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"No route to host" with ssl but not with telnet

I have a strange problem with connecting to a https site from one of my servers. When I type: telnet puppet 8140 I am presented with a standard telnet console and can talk to the Server as always: Connected to athena.hidden.tld. Escape character…
Clemens Bergmann
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Windows server and telnet, what can you do?

On a Windows Server 2008, can you even telnet into the server? (not remote desktop, but via the command line) If yes, is there much control really? How do people automate if you can't telnet? (assuming you can't)
Blankman
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Windows/Linux socat to share a serial device over IP

I have a scenario where I demonstrated to my group @ work how to share a very expensive USB patient simulator plugged into a Raspberry Pi (Debian) using socat. The group wants to be able to have an on-demand, bi-directional connection to the serial…
wxfield
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Running a shell script for certain user who logs in with SSH

First time here and posting just because I can't seem to find the answer to this, or whether is this even possible. The problem I'm having is that I want to create a script that will be run immediately after a user logs on to my server using Putty,…
Badger
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Confusion over terminology SSH, Shell, Terminal, Command Prompt and Telnet

I don't usually use SSH if I can get away with it, but if I have to I do of course, and I've seemingly done this for years while still managing to remain slightly confused about these different terms ... from my basic research, this is my…
byronyasgur
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how to check connectivity to server by windows tools?

I need to check if client can connect to server on specific TCP port. Server is listening on it. Tried "telnet server_IP port" but telnet is stuck when I see that it's connected to the server. Seems telnet waits for specific reply from the…
Andriy Tylychko
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Send test mail using telnet via smtps (465) port

Based on this guide I am trying to send a test email using telnet from linux https://linuxconfig.org/send-an-email-using-telnet but the connection immediately disconnects: $ telnet smtp.gmail.com 465 Trying 108.177.126.108... Connected to…
u123
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Use telnet to check that VNC port is open

I am supposed to connect to a Mac VNC/ARD server. Let's say that the Mac VNC server has the hypothetical IP address 8.8.8.8. I want to check if the Mac VNC server even listens to the default VNC port 5900. So I ran: telnet 8.8.8.8 5900 This times…
mrsteve
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What are the reasons for using telnet command?

I SSH into root and noticed the previous user used this command: telnet randomdomain.com 25 From what I gathered it is connecting to another server? But that domain doesn't have anything to do with my site, and it doesn't even show up in google. The…
user1699176
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Can't connect to SMTP server

I have trouble connecting to an SMTP server from my PC. I use Debian sid. telnet mail.example.com 25 Trying 12.23.34.45... telnet: Unable to connect to remote host: Connection timed out While from another Debian PC from outside my network: telnet…
Root Null
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Why am I unable to telnet to a local port that has a listening service?

I suspect this is either a very simple question, or a very complex one. I have a headless server running ubuntu 10.04 that I can ssh into. I have full root access to the system. I am trying to set up an ssh tunnel to allow me to vnc to the system…
Skip Huffman
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