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

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How can I get telnet to auto login to this piece of equipment?

where I work we login to a piece of equipment that has an unusual login prompt that I am not able to get Putty to recognize. Well more specifically I am using KiTTY. The login prompt is a ASCII box ...
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273 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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2answers
11k views

How to type non-printable ASCII characters in Mac OS X Terminal?

To communicate with a serial-type device over a telnet socket, I need to type the null character (ASCII 0) and all other non-printable ASCII characters. On Windows, you hold ALT and type the ASCII ...
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11k views

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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3k views

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
35 views

Postfix Relay Access Denied When Sending To Gmail With Telnet

I have postfix and dovecot setup to deal with mail for my domain. imap appears to work ok when reading local mail but when i try to send an email using telnet with localhost and the smtp port it gives ...
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1answer
30 views

Redhat linux terminal garbage output when using telnet

I am using redhat-linux terminal to connect to a router device by means of 'telnet'. While the device boots, the characters are getting printed in garbage manner which is as follows, In terminal, ...
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1answer
454 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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7k views

How to mount a Windows share in OpenDreambox via Telnet?

I have created a new folder on root of C disk called recordings and I have shared it with everyone. I now want to mount this folder on my Dreambox so that I can record to it. But since this is an ...
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1answer
65 views

Giving a switch an IP Address so I can telnet into it

Right, so I've just reloaded my switch resetting the to complete default configuration. It's a Cisco Catalyst 3560. What I am trying to achieve is this: Giving the switch an IP Address, then telnet to ...
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1answer
842 views

Telnet trouble on Windows 7 Ultimate 64-bit SP1

I'm trying to connect to a Telnet server. After typing 'telnet [server] [port]', I get a blank command prompt screen. I can then type Telnet commands, but everything I type is invisible. Replies sent ...
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22 views

Router (WNR3500Lv2) Telnet forwarding does not work for Lazy bone relay(Wifi bee/ WiFly)

I have been trying to set up port forwarding for a lazybone wifi device: http://www.tinyosshop.com/index.php?route=information/news&news_id=8 Connecting to it from Lan works, but trying to access ...
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28 views

Very strange behavior when I try to connect using SSH. Why it works only if I copy and paste the IP address?

I am experiencing a very strange behavior. The situation is the following one: I connect to my RaspBerry Pi from my Ubuntu Linux 12.04 using SSH So I do the following operation: I go into my router ...
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1answer
125 views

Sending email using Telnet

I saw many thread about sending email using Telnet, but I couldn't do that. I'm trying to connect to yahoo smtp server by : telnet smtp.mail.yahoo.com 25 The response from server is : Trying ...
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40 views

How to run batch script on server which exists in different domain of your PC?

I am trying to execute a batch file residing on some server which lie in different domain w.r.t my pc. I tried: PSExec -> but its persistently giving error: Couldn't access 192.168.238.74: The ...
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1answer
59 views

Telnet into a linux machine using an RJ45-RS232 cable

my linux machine doesn't have a RS232 port, only an RJ45. I also have my grandpa's old pentium machine running windows 95 that has an RS232 port. The only means of interfacing these two computers are ...
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1answer
11k views

telnet: Could not open connection to the host, on port 23

I need to telnet, to localhost. I am on windows. Once I got the error 'telnet is not recognized...' I looked online and found that I should do pkgmgr /iu:"TelnetClient". I did, then telnet localhost ...
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63 views

How to download a file through Telnet using HTTP request? [closed]

I need to download a file, for example: http://gensho.acc.umu.se/debian-cd/7.5.0/amd64/iso-dvd/debian-7.5.0-amd64-DVD-1.iso with usage of Telnet and HTTP request. How can I do that?
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1answer
121 views

Trying to reboot ADSL modem via expect script

I'm trying to create a Linux script which can reboot my ASDL Modem. Here is my rebootModem.exp file : #!/usr/bin/expect set userName admin set pass admin set command reboot #It is modem reboot ...
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65 views

Tshark is displaying “florence” and “eforward” rather than source/destination port numbers

I am running rawcap on windows7 loopback adapter. I have run telnet localhost 2181 15 Packets were generated. In order to view the output I ran wireshark\tshark -r \shared\pcap.pcap And here ...
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Closing telnet connection gracefully from session mode itself without going to telnet prompt

a normal telnet connection is like this: telnet localhost 22 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. SSH-2.0-OpenSSH_4.2 ^] telnet> close Connection closed. I want to ...
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1answer
92 views

How to create a small Telnet star wars like movie [closed]

As it appears from the question title, how I can create my own server of telnet that can render some animated ascii art (like the star wars one) to say happy birthday? I just want some resources on ...
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128 views

Telnet router commands

I have an actiontec xdsl router (c1000a) that I am telnetting to but I can't get a list of commands for it. The only one I've found so far is arp. I haven't found a list of common router commands on ...
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89 views

Unable to connect to server using Putty

I am using windows 8 for connecting to the Linux server, it would connect fine few days back but now I can not connect to it using only my computer. I can connect to that server with any other ...
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LOCAL SERVER and telnet

Finally, after many attempts and days, I managed to connect 2 computers using the telnet client and the telnet server. The reason of so many attempts is because there are no complete guides for these ...
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2answers
3k views

How do I quit telnet in iTerm

The title says it all. Note that I'm using a non-US layout, Norwegian, so I can't create the ctrl+] combination. I've found the trick before, but can't find it.
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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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829 views

How to update Thomson's TG585 v7 Firmware using Telnet

The Thomson upgrade tool isn't detecting my router, I tried many times by disabling the Firewall as suggested, but yet it's not being detected, it worked only once, I upgraded to 8.2.4.11, but I lost ...
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207 views

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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5k 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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45 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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191 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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1answer
114 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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252 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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410 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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378 views

Telnet and system root password can differ?

I am just curious of this, so: if I change my "root" password using passwd, does this by default change my telnet and ftp password? Also, is it possible to change telnet and ftp "root" account ...
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2k 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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1answer
123 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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512 views

A decent remote shell from UNIX to Windows?

Scenario 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 ...
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496 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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125 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
31 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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58 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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645 views

Can't run telnet in console opened by Autohotkey

I have enabled the telnet client on my Windows 7 64-bit machine and if I open the start menu and launch cmd from there I can run telnet. I normally use the keyboard shortcut Win-C, implemented by ...
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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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6answers
21k views

Is it possible to shutdown a remote computer running Windows 7 via Telnet?

I've successfully connected to my Windows 7 desktop over wifi via Telnet from an XP Home netbook. To login, I use the following command: telnet -l "win7desktop\win7user" win7desktop win7user in ...
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65 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
88 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
144 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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175 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 ...