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

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Telnet: How do I un-escape?

I know that when connected via Telnet, I can hit Ctrl+] to escape. This brings me to the telnet command line interface. How do I get back to my telnet session? I occasionally hit Ctrl+] by accident ...
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Expect script for telnet communication with DLink router

I am trying to connect to my router through telnet using this script: #!/usr/bin/expect -f set timeout 20 # router user name set name "admin" # router password set pass "admin" # router IP ...
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How to add a custom DDNS to the Linksys WAG200G through a possibly new method

I've been reading a lot about my router lately and after about a day's investigation i've realised its crap in almost every area: it can't run any custom firmware, it has very rudimentary controls... ...
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40 views

How to execute remote command using PuTTY over Telnet

I was created a .bat file to run PuTTY and it successfully runs. The problem now is, the command line I was key in were not executed, any solution for this? My .bat command is: putty -telnet -P ...
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10 views

Is it possible to run gitbash over windows telnet?

I've got two windows machines, and I can telnet from one into the other just fine. However I use the git bash shell in preference to DOS and I'd like to be able to telnet from box 1 to box 2 and run ...
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27 views

set telnet to use NTLM with command

To set telnet to use NTLM authentication you type in telnet and press enter then type set NTLM How can I make it do this with a command. using telnet set ntlm for example does not work.
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21 views

Need administrator privileges with telnet

When I connect to my computer via telnet to run a command, it gives me a system error 5, meaning that I do not have privileges. How can I fix this? I'm already logging into an account that has ...
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Sending data through Telnet established connection on windows command line

I have connected to an outside server using telnet on windows. I have a program written in Ruby running on my local machine whose output needs to be passed as a command in the server running. How do I ...
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28 views

How to download text version of website?

How can I download the text version of a website? I need to do that using http raw protocol, e.g. telnet. However, I have no idea. Any hint?
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85 views

Why Telnet protocol uses only 1 port on server while FTP uses 2 ports

I got this question in a job interview and I had no idea what to answer. Can someone please help me understand it? Why does telnet protocol use only 1 port while the FTP protocol uses 2 ports on the ...
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Telnet : How to get [user@hostname userFolder]$

I'm using ubuntu 14.04 LTS and i have successfully configured a telnet server. When i logging into telnet server i always get the path(int the terminal) as username@hostname:~/Folder_Name$ I ...
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54 views

how to make a batch file close automatically

I have a .bat file which its content is like this: @echo off nc x.x.x.x 23 < commands.txt exit in which nc is a .exe file in the same directory nc.exe known as NetCat. The commands.txt file ...
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74 views

Duplicate IP address Telnet and ARP

I have 3 hosts (PC1, PC2, and PC3). I set the IP addresses for PC2 and PC3 to be 10.0.0.2 and PC3 to be 10.0.0.1. I telnet from PC1 to 10.0.0.2. I then am logged in to PC3. I can see in Wireshark that ...
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Is it possible to NTLM-authenticate telnet on Windows specifying credential?

Connecting via telnet to a windows server, it is recommended to use NTLM authentication so as to not send a password in plaintext over the network. The windows telnet client supports this type of ...
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38 views

Is it possible to reboot a Samba NAS device (Cisco/Linksys NSS4000) using telnet?

I have a Samba NAS—Cisco/Linksys NSS4000—that I cannot connect to using UNC paths or drive mapping, and I cannot access the built in web application. But I can ping the device by it’s IP address as ...
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22 views

telnet recipients' email address does not receive test email

I have used telnet to send an email from a private server and all the commands go through just fine. However, I don't receive any email at the recipient's email address (several recipients' addresses ...
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71 views

Dovecot imap connection closed by remote host

I have setup postfix and dovecot on my ubuntu 14.04 on a digitalocean droplet. When I telnet to my localhost on imap, I get the output below, can anyone help me.. telnet 127.0.0.1 143 Trying ...
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40 views

What is the difference between these two ways of telneting

I'm trying to check to see if a port is open on something. If I telnet licensemanager.domain.edu 25734 then I get a black screen waiting for input (blinking cursor) but if I telnet and then o ...
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165 views

Cannot send email - Cannot connect to email servers using Telnet - What next?

Desktop PC running Windows 8 and Outlook 2007, internet connection via DSL. For over a week now I cannot send any email (from any of various accounts), and cannot receive email if trying to use SSL ...
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2answers
58 views

Does closure of Terminal stop remote script execution?

I have NAS (running Linux) and Macbook. What if I start the OSX Terminal application, connect to my NAS thru telnet and execute there some script: python myscript.py > log.txt Will it continue ...
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69 views

redirect stdin/stdout of a program to another telnet connection stdin/stdout

I have read the following good article [http://bradconte.com/redirect-input-output-for-existing-process-on-linux][1] Which explains how to redirect program stdin/stdout using pipe. I would like to ask ...
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270 views

How to change the default port number for Telnet in CentOS 7?

I need to enable Telnet in a port number other than 23. I installed use telnet through following procedure. systemctl enable telnet.socket systemctl start telnet.socket I tried some procedure to ...
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115 views

How to save console output still showing it

I need to troubleshoot a telnet session and send save it's results to another person. When I use redirection I save the contents of my session, but I'm not able to see it on console. How to pipe ...
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112 views

How do i get the busybox console for Netgear JNR1010 router?

I have a Netgear JNR1010 router, and need to write some script for rebooting, etc.. how do i get the busybox console for Netgear JNR1010 router?
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Can telnet be used with any application level text protocol based on TCP/IP?

Can telnet be used with any application level text protocol like http or smtp?
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I want to automate rebooting most or all of the major routers remotely, will provide software to everyone for free [closed]

Does anyone know if we can use a tool or a method to remotely restart the router? Or even remotely restart the internet connection of the router? I know we can telnet into the router, but each router ...
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735 views

Telnet cannot connect to localhost on port 23

I am using bat file assigned with vbs script to change router configuration every 15 minutes through the day through telnet commands. It works as supposed for a while then it shows this message "Could ...
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2answers
413 views

Using telnet on windows 7.. can't connect on a specific port

Sorry if my question is stupid, but I'm trying to connect to myself using telnet, and i'm having some issues. I'm using a windows rat(Not an illegal one), it's an exe file that listens on port 24328 ...
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124 views

Netgear wnr2000v3 Router accepts Telnet connection but sends no data

A port scan of my Netgear wnr2000v3 Home Router reveals that TCP port 23 is open and running telnet as a service. When i try to connect to the router using Telnet (Windows built in client) the cursor ...
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1answer
71 views

Configuring PuTTY for Windows 8 cmd shell prompt

Is there some recommended configuration / settings of PuTTY for Telnet connecting on Windows 8 shell/Telnet. I ask this because in default conf of PuTTY cursor behavior is little strange. e.g. with ...
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189 views

Ping/nslookup working but telnet/browser fails

Having a problem on several systems. Ping, nslookup and tracert all work as expected but the browser and other applications including telnet are unable to get any internet access. The problem is not ...
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162 views

How to login via telnet to a LAN PC?

I am trying to login to my friends PC. We both are using ubuntu 14.04 LTS. I told her to install telnet by typing the commands sudo apt-get install telnetd and sudo /etc/init.d/openbsd-inetd restart . ...
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818 views

Regarding 530 5.7.1 Client was not authenticated Error

I am developing an application which will send email to an address which is in our own domain. For testing purpose I tried to send an email via CMD. I can telnet to the mail server on port 25 ...
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Telnet: Could not open connection to the host on port 23 : connect failed

I've Googled it a lot and checked it on many forums, but still haven't been able to solve it. When I do a telnet from a Windows system 192.18.212.169 to an RHEL system on 192.18.212.124 I get the ...
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Cannot connect to tomcat on 8084

Tomcat seems to be running, but the browser cannot connect to it. Here is the netstat output. UC180375@UC180375-TPD-A /cygdrive/c/Programs/PortQryV2 $ tasklist | grep java.exe java.exe ...
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533 views

Telnet - Connection refused when using hostname, connects fine with IP

I'm trying to connect to a telnet server from a windows 7 machine. The telnet server has an IP 123.4.5.6 and a hostname of myserver Running telnet 123.4.5.6 8080 works fine However when I try to use ...
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467 views

Using Telnet: Port number

With using telnet I used port 25. Example: telnet x.x.x.x 25 I had another server today that used port 23 instead. For the future, how would one easily know which port to use? Does this port ever ...
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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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5k 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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434 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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132 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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107 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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114 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
131 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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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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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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468 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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250 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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2k 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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655 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 ...