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

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Is it possible to spawn any kind of terminal on dedicated lan card before entering LVM volume passphrase?

I got IBM x3500 m2 server running Ubuntu server on encrypted LVM volume. This machine has one slower LAN card for service purposes. Is there any way to spawn some kind of console on it BEFORE ...
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Telnet won't work on Windows 8.1

I'm using Windows 8.1 64bit. I know how enable Telnet-Client on Windows 8.1. But when I type in : telnet microsoft.com 80 nothing happens! Any ideas would be appreciated.
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17 views

Email spoofing in Linux (received message with no subject and content)

I'm trying to send email using telnet in terminal of my linux. I have connection with telnet now I have typed the commands below successfully. Unfortunately, I only receive the message with no ...
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3k views

Who logged into my printers?

This April 1st, Someone logged into the printers and changed the ready screen to "vote for josh" on numerous hp laserjet printers. Know that they must have logged in via telnet. And I found this ...
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38 views

Telnet 555 5.5.2 Syntax error. b42si7464989qgd.93 - gsmtp

I'm trying to do email spoofing in cmd in telnet but failed to do so. I entered C:\Documents and Settings\Owner>telnet alt3.gmail-smtp-in.l.google.com 25 Then it brought me here 220 ...
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53 views

550 User Unknown cmd telnet error (Email spoofing)

I'm trying to send email using telnet in cmd. I have connection with telnet now. Btw I'm using a disposable email provider. C:\Users\Student>telnet mail.dispostable.com 25 then it brought me ...
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15 views

telnet 500 Syntax error, command unrecognized

I'm trying to send email using telnet in cmd. I have connection with telnet now C:\Users\Student>telnet alt3.gmail-smtp-in.l.google.com 25 then it brought me here: 220 mx.google.com ESMTP ...
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56 views

Why can't I connect to Google's SMTP server on port 25?

I'm working on an InfoSec exercise, specifically email spoofing. I started by executing the following commands: C:\Users\student>nslookup 6.0.0.10.in-addr.arpa primary name server = ...
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36 views

'telnet' is not recognized as an internal or external command,operable program or batch file

I'm working on an InfoSec exercise, specifically sending emails in cmd that makes use of telnet. Unfortunately, I can't start it. I'm receiving the "'telnet' is not recognized as an internal or ...
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44 views

Oracle telnet localhost 1521 connect failed

Our service provider installed Oracle 11G on our Windows 2008 R2 server on vmware. But we can not connect from another client on port 1521. And we can not also telnet localhost 1521 port on server. ...
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48 views

Why would my ADSL router have a telnet port open to the exterior?

I just ran GRC's "Shields Up" on my connection, which has an Asus Wl600g ADSL modem/router serving as gatekeeper. All ports are reported as stealth, except port 23 (Telnet). Now, I can understand ...
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53 views

Zyxel: How to setup WLAN via telnet (console)

I have a new Zyxel sbg3300 vDSL Modem and now I want to setup my WLAN. At the step where I have to fill in a password/key, a error-message shows me that it is not allowed to use additional characters ...
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1answer
19 views

Telnet ip address at a given port

What's the difference between: C:>telnet somehost 25 and C:>telnet Microsoft Telnet>open somehost 25 Why in the first case I immediately get a new completely black prompt, while the ...
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25 views

How do I block incoming IP addresses on a Verizon FiOS Actiontec Router?

Recently, on my office's telnet port, various IPs from China or India or the like attempt to connect to the telnet port, but can't access it since they don't have the password, and the connections ...
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11 views

with rlwrap vi file edit not happening

Am using rlwrap,with that history fetch commands editing works fine. But in vi mode am not able to edit the file, and not able to exit from vi mode. I added following entries in inputrc, set ...
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37 views

What VBScripts can be executed via remote text console (SSH or Telnet)?

I am testing via remote login (SSH) a simple VB script (thanks, Igor) from this thread ( Is it possible to download using the Windows command line? ) that just downloads a file to hard disk: cscript ...
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1answer
54 views

Telnet : Connection refused

I have Windows 8 as my OS and have Debian installed on VMware player. I would like access my debian install using telnet. (I do know telnet is insecure. It's just for learning purposes) When I ...
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1answer
66 views

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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85 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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25 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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1answer
75 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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198 views

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

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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32 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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49 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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116 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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1answer
73 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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42 views

batch to telnet does not return to batch

Will run the first completely, show connection to host lost, then stop at cmd prompt and not execute the second, etc. Example: telnet login username enable password copy running-config tftp: exit ...
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1answer
34 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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205 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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662 views

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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207 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
48 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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210 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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50 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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74 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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200 views

Can't telnet: TCP connection doesn't get established

I am having issues with telnet from a machine. TCP connection is not getting established. SYN gets sent out and SYN_ACK comes back but not sure why the ACK is not getting sent back. I am guessing ...
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154 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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84 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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90 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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44 views

Mounting a volume over telnet

I've used sshfs for a number of years. Recently I've been tasked with working on an embedded device running a MIPS processor and a simple linux distribution. Besides manually moving files over via ...
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87 views

Enabled telnet on a Netgear router but no shell

I enabled telnet access on an off-the-shelf Netgear router. I successfully logged in via telnet but there was no shell and the connection closed after a couple of minutes no matter what I tried. The ...
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1answer
96 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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180 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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829 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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485 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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247 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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126 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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204 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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1k 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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1k 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 ...