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

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Unable to connect using Telnet

I am unable to connect one of my friends computer using telnet. We are connected under the same network and Telnet is installed on both the computers. After using the command for establishing a ...
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3answers
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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
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Set up telnet server in Windows 8.1

I want to set up a telnet server in windows 8.1 (x64). I tried using "appwiz.cpl" and checking telnet server and telnet client check boxes. Then running "services.MSC" and then changing the telnet ...
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35 views

AWS nat instance doesn't route to the internet

I have a vpc, the vpc has two subnet, one is public to internet (10.20.7.0/24), one is private (10.20.8.0/24). In public subnet, I have a machine use aws commuity ami to create for NAT, in private ...
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2answers
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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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5answers
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Windows equivalent of ssh - how to connect to a remote machine and access command line?

I'm having a difficult time coming up with a solution to extend a framework that was designed for *nix machines over to windows. The framework currently runs from one *nix server and ssh's out to ...
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1answer
172 views

Configure Putty to send Telnet data without pressing Enter?

Is there a way to configure Putty in telnet mode to send data from the keyboard immediately, without having to press enter? For example, when using Windows telnet, if i connect to my server and press ...
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How to generate UDP packet

I want to generate UDP packet to test a program, something equivalent to using telnet to test TCP port (Can telnet generate UDP packet?) How can I do this?
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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 HTTP 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 ...
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40 views

Why can't I connect to VMWare guest ubuntu via Telnet nor SSH from host?

My host system: Win7(x64) with VMaare Workstation 12 VMware Ethernet Network Adapter VMnet1: IPv4: 162.168.86.1 Mask: 255.255.255.0 Gateway: VMware Ethernet Network Adapter VMnet8: ...
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Pocketputty copy paste command

I am using pocketputty as my ssh/telnet. but the copy paste command wont work on my windows ce device, ive tried other ssh telnet like mochasoft, but only pocket putty works, so im sticking to it. but ...
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Automating email sending by using telnet & FTP on OS X CLI

Running the following script: #!/bin/bash cvs_domain=abc.com cvs_mail_server=mail.${cvs_domain} cvs_port=25 telnet $cvs_mail_server $cvs_port<<_EOF_ EHLO $cvs_domain MAIL FROM:my_mail@abc....
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1answer
37 views

I cannot connect to a port that is already open in my firewall

I have tried to open port 80 [root@rhel7 docker]# firewall-cmd --zone=public --add-port=80/tcp --permanent success [root@rhel7 docker]# firewall-cmd --reload success [root@rhel7 docker]# iptables-...
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1answer
33 views

How to disconnect and reconnect PPPoE on a UBNT airMAX device?

Using a Telnet or SSH connection to my Ubiquiti PowerBeam device, I'd like to disable and enable the PPPoE connection on demand, so I can save internet bandwidth when I am not using it. (Prevent ...
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OpenWRT seems to working but canot be configured

I installed openwrt on TP-Link TL-WR841ND v11. When it booted, lock diode didnť turn off (when on router was standart firmware led rurned off after boot) and leds indicated connected computers show. ...
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8 views

telnet authentication through batch

I want to automate a telnet connection through my windows prompt. I was wondering if there was a way to auto-enter the password when it's asked? I used to use Tera Term which is good but the thing ...
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1answer
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I can ssh into server A from server B. But I cannot ssh into server B from server A

I have 2 servers in a data center. Server B is publicly accessible, as in, I can ssh into it. Server A is not. So to access Server A, I ssh into Server B. And then from there, I ssh into Server A. ...
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How to set up a reverse Telnet on Mac OS X

I am trying to set up a reverse Telnet (Telnet to COM) on Mac OS X 10.9.5 (Mavericks). The Mac is connected to a serial device. I have no problem accessing the serial device from the Mac using screen: ...
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1answer
36 views

Hosts configuration on home wireless router

I have a home network working via a ADSL Wireless Router (Sagem F@st 2804). Also, I have a web server working on my pc and some virtual hosts on it. I want to make those hosts to be accesable via the ...
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47 views

Telnet on Windows 10

I'm attempting to play around with telnet but it has the ugliest usability I've ever seen. The problem is described here as an answer, stating: It actually isn't hanging; it's just that, for some ...
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Customize telnet login

I'm trying to customize the login screen on my CentOS server but I can't for the life of me, figure out how to change the actual login prompt, when the system asks the user for a login name. I want to ...
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Telnet script without logging in

first of all I'm new here, so I apologize if I make any mistakes. So I wrote a python script to check a database for some information and I would like to make it publicly available through Telnet. ...
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1answer
48 views

I can Telnet into a Linux CentOS system but cannot SSH into it. My colleagues say they can SSH into it

My company has a server (server A) in a data center belonging to a telecoms company. The server has no access from the internet. I need to access this server because of a server application that I am ...
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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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608 views

Can a Telnet server detect the client being used through the protocol?

While web browsers send, among other things, the User-Agent string, does the Telnet protocol have a similar method of determining anything about the client connecting to it? OS? Specific Telnet client?...
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3k views

How to Monitor visited Websites on Thomson 585 v7

My home WiFi is being used by many devices, and they are taking all bandwidth, I wanna know which sites they are using, so I can block those sites in Parental control. In the web interface there's no ...
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Telnet to smtp.gmail.com 25 timing out inside vagrant box

Vagrant 1.8.1, Virtualbox 5.0.16, Windows 7. Vagrant using hashicorp/precise64 image. No modifications done to Vagrantfile. Using the default NAT networking. vagrant@precise64:~$ telnet smtp.gmail....
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telnet fails to re-connect when the telnet session is exited without gracefully?

I had a telnet session to my embedded box, which is running telnet server. From my embedded box, I did another telnet to another session of shell. Now, when I have closed the linux terminal window (...
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119 views

How to configure Telnet server feature in Windows Server 2016

I'm working on Windows 2016 OS currently. In the previous version (Windows 2012r2) we saw that there are two features (telnet client & telnet server) related to telnet. But in Windows 2016 I can ...
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where is the '^]' character on an azerty keyboard?

I am currently using telnet and i need to do an escape character (SMTP), where is this character on an azerty keyboard? (linux ubuntu).
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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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98 views

Cant get Windows Script File to close after Telnet

Below is the Current Script I have for my current little project. <job> <script language="VBScript"> Option Explicit On Error Resume Next Dim WshShell set WshShell=...
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1answer
45 views

Can telnet but nslookup fails

The problem is exactly as described in the title... I'm puzzled. I've seen the opposite many times, but this... So once again, just to confirm: C:\users\274400>nslookup SERVERNAME Server: ...
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1answer
833 views

run scrpts on routers with BusyBox

I own a router (tp link w8960n) that I can "control" via telnet and busybox. Is it possible to create and run a script on the router like a permanent process(more like a cronojob) if the router has ...
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54 views

Can I install anything on this limited system?

My modem has a telnet port and when I login to that port I get a root shell in device. The commands are very limited but there is empty space in device. Can I install something like nmap to this ...
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Can the telnet or netcat clients communicate over SSL?

I would like to test client connections with IMAP over SSL, HTTPS, and other secure text-based Internet protocols over SSL/TLS, the same way I would using telnet or netcat if they were not tunneled ...
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2answers
63 views

Can't telnet into mail server

I have a machine running CentOS. From that machine I can't telnet into a mail server. From my local machine I can do the following command: telnet mailserver.com 25 From there I can't send emails ...
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1answer
45 views

Port forwarding error

I am very new to networks, and I am trying to access a computer which has no public ip from outside its private network. The layout of the network looks like this: PC <----> ...
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14k views

How do I quit telnet without using standard Ctrl+] combination?

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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244 views

How to record or log telnet session using the command line?

I need to record the output of a telnet session. I can't just pipe or output it because I need to authenticate first. How I can achieve this log?
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1answer
894 views

How to open Telnet port in wireless D-Link router?

I want to access D-Link DIR-600L wireless router via terminal. Can i do this by opening telnet port. How to open telnet port in wireless routers?
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connect two computers together via a rs232 serial port

Wondering if anyone knows of a solution to connect with telnet/ssh through a rs232 serial port Edit: I am looking for a way to connect to computers together via a serial port. I want to be able to ...
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1answer
56 views

Port testing with telnet - Close session cleanly

I use telnet to test services running very frequently. At times I find that if the service is running and the telnet session opens, I cannot close the session in a clean way. I have to close the ...
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3answers
17k 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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Can't remotely access router

I have Enkom 1521-I router. My ISP won't give my external IP address, but I used telnet commands to give myself admin privileges and then enabled debug logging. There were messages logged that ...
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How to run scripts within a telnet session?

I want to connect to a remote host using telnet there is no username/password verification just telnet remotehost then I need to input some commands for initialization and then I need to repeat ...
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1answer
24 views

connect to Telnet server (Adsl Router)

I have installed a telnet server, now I want to connect to it without port forwarding - is this possible? Some programs working without port forwarding like utorrent for example.
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3k views

SMTP to Facebook

Lately I've been playing around with telnet and found it quite interesting. Most interestingly, Facebook also uses SMTP. The IP is 66.220.155.11. Some things about it are strange. It doesn't take ...
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1answer
120 views

telnet x11 on REDHAT 7 (Gnome 3)

I have been trying for the last 2 weeks to get X11 apps working over telnet connection to the server. I am not concerned about the security as I run a VPN to the server location as well. I just need ...
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2answers
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How to configure multiple subnets

I have a scenario in which one computer needs to be a member of two subnets on the same physical network - 192.168.2.0/24 and 192.168.3.0/24. I have achieved this using ifconfig eth0:1 192.168.3.123/...