66
votes
How do I exit telnet?
The ^] means ctrl + right bracket. As strange as that is,
it works. You'll be taken to the telnet prompt, where you can type
quit or simply q.
On international keyboards the ] character is often not a ...
- 786
36
votes
What is the difference between telnet and netcat?
Note: There are several different Telnet programs, as well as several different Netcat variants. They might have somewhat different features.
In general, telnet specifically speaks the RFC 854 "...
- 465k
27
votes
Accepted
SendKeys Method in Powershell
PowerShell has no built-in functionality to emulate keystrokes.
Practically, you have two options: COM-Automation and Interop.
SendKeys via COM
Like in VB(S) you can create a Shell-Object and ...
- 1,732
18
votes
Windows equivalent of ssh - how to connect to a remote machine and access command line?
Use Powershell Remoting:
Updated link:
https://docs.microsoft.com/en-us/powershell/scripting/learn/remoting/running-remote-commands?view=powershell-7
Copy pasted form an older version:
Windows ...
- 328
15
votes
Accepted
How to install Telnet from a PowerShell Core prompt
Run in an elevated shell:
Enable-WindowsOptionalFeature -Online -FeatureName "TelnetClient"
- 1,510
10
votes
How do I exit telnet?
On debian 9, typing :
Ctrl + $
Allows you to show the prompt from telnet, then only type :
q
To exit
- 211
10
votes
How to generate UDP packet
If you're using Bash, you can use its /dev/udp virtual filesystem, like this:
echo -n "hello" >/dev/udp/localhost/8000
Shamelessly re-used from this answer to "How to send only one UDP packet ...
- 211
9
votes
Is there a telnet utility for windows?
If you want to test a network connection, you can use with Powershell :
Test-NetConnection google.com -port 80
- 514
8
votes
Accepted
Configure Putty to send Telnet data without pressing Enter?
Go to Terminal -> Local line editing. When "local line editing" is on, PuTTY will let you edit the entire line locally and will only send it on a press of Enter. When it is turned off, you will get an ...
- 1,141
8
votes
Accepted
Using Telnet in Windows 10?
If you are going to utilize telnet, you don't need to type the www with the host name. Using telnet google.com 80 should suffice.
To be honest, if you are on a Windows 10 machine it would probably ...
- 16.1k
7
votes
How do I quit telnet without using standard Ctrl+] combination?
To answer your specific question: Ctrl+å then enter quit.
But to make it more fun it depends on your layout a lot:
(Remember on a Mac Ctrl is your ⌃ key)
Default: Ctrl+[
Dutch, Belgian: Ctrl+$
...
- 167
6
votes
How to connect to `tcp://192.168.202.112:11053` by command line?
Use netcat for arbitrary TCP and UDP connections. It is dedicated for this purpose. It can also listen on a port.
nc -v 192.168.202.112 11053
Windows
Netcat implementation for Windows: https://nmap....
- 161
6
votes
Server Manager For telnet
Microsoft depreciated Telnet Servers in Windows Server 2012 R2, and subsequently in Windows 10.
Telnet is considered completely insecure these days, because it sends everything across the wire in ...
- 113k
6
votes
Accepted
What is the overhead of SSH compared to telnet?
I'll give you quick answer since a lengthy explanation would easily fill a 90 min lecture or tow. These are little more than estimations since it is very much dependent on system load, the kind of ...
- 626
6
votes
Why is my use of telnet towards a web server providing inconsistent results to others with the same approach?
For you www.ucf.edu resolves to a different IP-address (public internet instead of a private 10.xx.xx.xx address). And obviously that is a different server.
You mentioned that you had to login with ...
- 32k
6
votes
Accepted
How to pass commands to a telnet window with a batch script?
The telnet command does not offer many options for entering some commands...
I will leave here two possible options
To do it in bat/cmd with vbs
To do it with the software console called Telnet ...
- 8,307
5
votes
Accepted
Getting "400 Bad Request" response to simple HTTP GET request over telnet
The problem is using HTTP 1.0 on a server that requires HTTP 1.1 (and the Host: header that is a mandatory part of HTTP 1.1), probably because it is probably doing virtual hosting of multiple websites ...
- 106k
5
votes
Accepted
How to force `telnet` (in TCP mode) to send bytes immediately?
The telnet client, specifically, is designed to speak to a Telnet server using the Telnet protocol; it will switch to character mode if it receives Telnet IAC WILL SGA / IAC DO SGA from the server.
...
- 465k
4
votes
'telnet' is not recognized as an internal or external command,operable program or batch file
You can install telnet client by using DISM command-line tool, e.g.:
dism /online /Enable-Feature /FeatureName:TelnetClient
or using pkgmgr (deprecated in favor of above):
pkgmgr /iu:"TelnetClient"
...
- 25.8k
4
votes
Accepted
Windows 7 is blocking telnet 25
Is the server you are trying to connect to inside your network?
Since you mention port 25, my guess is that it isn't and you are trying to access some external mail server. Most ISPs these days ...
- 20.1k
4
votes
Accepted
Telnet over a VPN
You’re not issuing the correct command. While a host:port notation is quite common in many programs, telnet is not one of those. Instead, replace the ":" with a space. So instead, type telnet 192.168....
- 174
4
votes
Cancel Server Manager feature installation
Well, found the solution. The service that manage Server Manager features installation is "Windows Modules Installer". It is not possible to manually restart it. To do so, go and kill task named "...
- 61
3
votes
I cannot connect to a port that is already open in my firewall
Having a port open on firewall and having a program listening on that port are two different things.
I think netstat shows ports being listened on regardless of firewall settings. There is nothing ...
- 75.7k
3
votes
Accepted
Unable to connect to server using PuTTY
My first attempt to solve this problem would be to
open PuTTY
select Session > Logging
enable logging of SSH output to a file
try to connect
review the logfile
What does the logfile say? Anything ...
- 606
3
votes
How do I exit telnet?
all previous answers correct but for this worked:
Ctrl + ]
then I typed
quit
- 233
3
votes
Windows equivalent of ssh - how to connect to a remote machine and access command line?
I really like the idea of PowerShell, though the configuration may take a couple of minutes on server and client.
Aside the complete answer of Shanteva, which suggests the use of PowerShell, you ...
- 31
3
votes
What is the overhead of SSH compared to telnet?
TL;DR
SSH bandwith overhead in tunneling mode is neglible
In this LAN testing scenario there were even a lot less pakets in the opposite direction, about 50 % less.
Details of how to get the bandwith ...
- 279
3
votes
Is exiting a PuTTY Window uncleanly dangerous?
While there is some truth to what he's saying, the "danger" involved is highly exhaggerated.
If the putty window is blatantly killed, the client will not be able to send any information/keystrokes/...
- 6,138
3
votes
telnet to smtp . 421 4.3.2 Service not available Connection closed by foreign host
A 421 error returned from a mail server means there is a problem with the mail server setup - this effectively says to the client "I have a problem and can't cope with email now, try again later" - ...
- 71.4k
3
votes
Accepted
Telnet to google.com - Your client has issued a malformed or illegal request
What's so bad about my request?
You don't need the http/1.1
$ telnet google.com 80
Trying 216.58.198.174...
Connected to google.com.
Escape character is '^]'.
GET /search?q=hello+world
HTTP/1.0 302 ...
- 159k
Only top scored, non community-wiki answers of a minimum length are eligible