Telnet is a client-server protocol used to allow communication between computers in a network.

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What can block telnet <servername> 110 and 143 on Windows 7?

I am trying to troubleshoot a connection problem with Thunderbird on a freshly installed Windows 7 computer. For this I have installed telnet and tried to connect to the server through it. First, I ...
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2answers
410 views

PuTTY settings to replicate Windows XP telnet program

I am working with a high voltage power supply that can be remote controlled via telnet over TCP/IP. This worked very well for a few years using the built-in telnet client of Windows XP. As Windows XP ...
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48 views

telnet in windows 7, command overlapping

I enable and use telnet on windows 7 for checking my server program I have created which read and write to client, I run it on localhost, but the problem is on windows's telnet, it's keep overlaping, ...
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245 views

Telnet stuck on “connecting”

I am trying to telnet a port at a client's location. It shows connecting.... for a long time but doesn't outputs any error message. The port is opened and other vendors are able to telnet the same ...
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895 views

Are there any SSH / Telnet clients for Windows that support tabs? [closed]

I currently use putty for SSH and Telnet on Windows. But the lack of tab support in Putty makes it difficult for me to keep multiple windows open at once (up 10 at a time). Does anyone know anything ...
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67 views

Create an email account via Telnet

I know how to telnet into a smtp server in order to send emails and I know how to telnet into a pop server in order to read emails. Is there some protocol I can telnet into to create user ...
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75 views

Telnet in Windows didn't connect

I want to connect to my friend's computer using telnet, but when I type: telnet [his IP], it didn't work. It also happens when he types my IP. The command line said that he can't connect on port 23. ...
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353 views

Network Error: No connection could be made because the target machine actively refused it

I'm trying to bootstrap a server via Chef (using winrm), but continue to get the message: Network Error: No connection could be made because the target machine actively refused it I've opened the ...
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379 views

Turning Telnet on on Mac OS X Leopard

Does Mac OS X Leopard have Telnet client technology? I've seen plenty of stuff around on the internet pertaining to Snow Leopard, but not plain old Leopard. I know some people like to use SSH, but I'm ...
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37 views

could I cat a file to telnet to email to specific address?

Right, now, I am configuring Asterisk to send an email when one gets a voicemail. Due to the firewalls at my school, and securities on our email client, I can't use the ssmtp program directly, but ...
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1k views

Change DNS On Pace V2500 Router

I'm trying to change the DNS settings on my Pace V2500 router. There are no settings options within the admin interface so I will have to use telnet to make the changes. I cannot change the DNS per ...
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Feeding contents of a text file as command to telnet

With the command telnet docs.python.org 80 I can do a manual request to http://docs.python.org/2/license.html, by typing the actual request. Now instead of typing it in live I'd like to feed the ...
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727 views

telnet on Windows 8: even after installing still an unknown command

I installed telnet by going to -> Control Panel -> Turn Windows Features on/off -> checked "Telnet Client" Reopened a cmd window. Still the same result: 'telnet' is not recognized as an ...
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1answer
62 views

PuTTY - Stack variables not updating on null line

This is going to be a bit of an odd issue to explain. I'm fairly new to terminal communication as well, being that it is way before my time, so if I mess up any terminology I apologize in advance. ...
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299 views

telnet localhost 25 not working on company domain network with win7

when I try to access my own PC (already tried 127.0.0.1, 'PCNAME' etc.) with command prompt via SMTP it always displays the No Connection message. How do I configure my PC correctly so this is ...
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75 views

Not able to get prompt while connectiong through Telnet command

I am trying to connect one terminal using Telnet command. It is showing connecting to ... and after that it showing 'SSH-2.0-OpenSSH_6.0'. Prompt is not showing. I am able to connect through putty to ...
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114 views

My computer cannot connect to a Telnet host

I need to connect to Telnet server for my university studies at the University of Birmingham but everytime I try to connect I get : "could not connect to the host on port 23". What can I do ? Thanks ...
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421 views

Connection getting dropped immediately on telnet

Am getting a connection closed by foreign host error on port 465 but working fine for another port 993. What could be the issue. % telnet x.x.x.x 465 Trying x.x.x.x... Connected to x.x.x.x Escape ...
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115 views

Verifying which SMTP server software is used by remote server

I am trying to catalog which smtp servers are used in an heterogenous pool of servers, and so far I was doing : echo "HELO localhost" | telnet localhost 25 2>/dev/null | grep 220 #process the ...
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1answer
102 views

How to use Telnet in Window 7?

I enable Telnet Client and Server in Windows 7 32 bits but I don't know how to use Gmail from Telnet and What should i need to install in my computer? I want to study How to use Gmail from Telnet ...
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1answer
161 views

How to type non-ASCII characters in telnet on Mac OS X

I can't type any non-ASCII characters in telnet on Mac OS X. I've checked the configuration of my iTerm2. I also tried to use the telnet on a Linux machine via ssh. It works well.
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352 views

cannot telnet on external IP

I am a newbie to networking, so need some help to understand if what I am doing is right: I have a VM which hosts a Ubuntu guest OS with an internal IP: 192.168.15.6 I have setup an ssh server on ...
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2k views

Can't connect to mysql by telnet 127.0.0.1

I can't telnet MySQL on my localhost. MySQL is up and running and works fine with Apache-SSL/PHP/MySQL server but I can't connect by telnet: telnet 127.0.0.1 3306 Trying 127.0.0.1... telnet: Unable ...
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2answers
940 views

VMware can ssh to gues, but can't telnet

I'm running VMware Workstation 9.0.2 on Windows 7 Professional with a CentOS 6.4 guest using the bridged networking. The LAN that the host is running on is 192.168.123.*, the host is static IP ...
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556 views

Can't capture any telnet packets

I'm running a Telnet server and client on my Windows 7 computer. Meanwhile, I'm running Wireshark to try to sniff the telnet login. I have been unable to get Telnet to send any packets that can be ...
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157 views

Postfix will not send/receive mail

I recently installed postfix, among other programs, and have been configuring it. POP3 and IMAP are working just fine, but postfix seems to fail: # telnet localhost 25 Trying ::1... Trying ...
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394 views

Telnet Server Service Doesn't Work

I want to be a Telnet Server, but i couldn't troubleshooting that why other computer on my LAN couldn't connect to me. I went these same steps on other computers but there were no problems to connect ...
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4k views

How to copy files using telnet from the remote pc to my pc

For our school project, a friend and I have been assigned the task of finding a way to to transfer files from computer to computer via telnet. Does anyone know of a simple set of commands, or a GUI ...
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3k views

ping works but not telnet in putty

I am trying to ping one remote server. I am surprised that ping works but not telnet. ping 174.25.366.25 --connection is successful. where as telnet 174.25.366.25 --connection timed out I also ...
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Telnet won't run from cmd prompt in windows 7

Edit:I am running windows 7, 64 bits. I have Telnet Client installed, and if I go to c:\windows\system32 i do find the file "telnet.exe"; if I click it, telnet runs perfectly. However, if I type ...
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310 views

Windows port opening

I had a problem with opening port between my host (windows 7) and a virtual box (windows xp) system. On my host win7 system, I added a port from the inbound rule (port 777) under the firewall advance ...
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210 views

Who is listening on my 80 port [duplicate]

In My PC, I am running : telnet localhost 80 and it seems that there is an answer. No IIS runs, no java server runs. How do I know which process listens to 80 port?
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How can I telnet from Windows to my server by MAC address?

How can I telnet from Windows to my server by MAC address? C:\Users\Asep>telnet D4:CA:6D:46:C9:98 23 Connecting To D4:CA:6D:46:C9:98...Could not open connection to the host, on port 23: Connect ...
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1answer
640 views

Sending email through postfix using Python or Telnet

I managed to configure a local postfix server, which works correctly when using the mail command (and I receive emails from the cron deamon), however, if I try to connect using telnet localhost 25 ...
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3k views

Can't connect to Synology with Telnet or SSH

Despite enabling the service on my DS107e I have been unable to connect to it with Telnet or SSH. Telnet gives me the following: Connecting To 192.168.0.4...Could not open connection to the host, on ...
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129 views

trouble shooting the connection between systems by using telnet?

I have a windowsystem called "A" and Linux system called"B" .Our application software is client -server software. So in this scenario server part of application is resding in a window system and ...
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2answers
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telnet fails to connect: Connection closed by foreign host

I try to connect to localhost with telnet: % telnet localhost 6311 This connection succeed, but when I connect by external IP of my computer, connection fails: % telnet x.x.x.x 6311 Trying ...
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698 views

Telnet disconnects too quickly for HTTP commands on port 80

My home router provides Web server here: 10.1.1.1:80 I can ping and connect to it fine with a web browser. For whatever reason, I want to establish a connection to its web server via telnet too. I ...
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305 views

Telnet escape sequence for Swedish keyboard layout

What is the default Telnet escape sequence in Windows XP/Vista/7 when using Swedish keyboard layout? Ctrl-] doesn't work.
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4answers
747 views

A decent remote shell from UNIX to Windows? [closed]

I'm on Linux and develop on a Windows 7 box virtualized via VirtualBox. My usual way of developing consists in editing source files from Linux via nautilus/SMB (smb://192.168.1.4/...) then when I'm ...
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2answers
3k views

How does telnet get through the windows firewall?

I activated the Telnet client in Windows 7 and was instantly able to connect to servers although Windows Firewall is activated. How does that work? Shouldn't the firewall block outgoing connections ...
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Laptop can ping, but not browse. Clean windows install. Telnet doesn't work. Not the network

The laptop is able to ping and tracert, but not browse the internet. I'll start by saying what I've already ruled out: It is a completely fresh windows install The network works fine for the other 5 ...
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1answer
107 views

How to access a server connected to a University network?

In my University, my professor provided us with his server address, but he said that we can only access his server through our University's wireless network. He also said, there is a way to access ...
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2answers
2k views

How to stop and detect the fork bomb

#include <stdlib.h> #include <unistd.h> int main() { while(1) fork(); } This is the code for a fork bomb. In our college, we connect via telnet i.e client serving protocol. ...
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747 views

I open Telnet, but I still can't connect

I want to check an HTTP response message,(I should have seen a response message that includes the base HTML file), with this To telnet into your favorite Web server. Type in a one-line request ...
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1answer
4k views

Telnet Server on Windows 7 not working?

I enabled the Telnet Server feature in Windows 7 SP1, and after 20 reboots later and some pinging find it is simply not working. I cannot ping port 23.. but Windows Firewall says the Incoming ...
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1answer
1k views

Telnet not properly displaying text?

I've recently discovered and started playing nethack. I know I can play it locally, but I'm sitting at different computers all the time so I found nethack.alt.org that let's you telnet into their ...
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252 views

Telnet to windows host backspace key wrong

When telneting to a windows host from a linux guest, attempts to use the backspace key leads to odd characters being output - and nothing being deleted. Is there something to get the windows telnet ...
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885 views

How do I use the telnet interface to my Zyxel router to enable Wifi?

I have a pretty horrible Zyxel P-2812HNU-F1 router provided by my ISP which drops my Wifi some one to five times each day. It doesn't crash, it just decides to disable wifi. I can log in to the web ...
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1k views

Mac OS X Mountain Lion can't ping/telnet localhost. Point to a wrong public IP

I've been developing Node.js apps on my localhost on port 1337 for last two years with no problem as shown below. $ node app App started on port 1337 Today I wanted to test how things go with ...