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Questions tagged [telnet]

For questions about Telnet, a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it is usually replaced with more secure and flexible SSH protocol.

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How do I restore (xterm|gnome-terminal) wrapping after telnet to HP equipment has messed it up?

I telnet to an HP switch from my (xterm|gnome-terminal). Exit telnet. That breaks the behaviour of the terminal. (If you don't have a HP switch to telnet to, one can cat this file in a terminal instead). Now type a very long command (more than one…
Peter V. Mørch
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How to customize telnet login prompt on linux

When I run login command on debian, I get: hostname login: _ on RHEL5, Solaris or HP-UX I get: login: _ I need to be able to customize login: and password: prompts it on a Linux box. I can recompile the package, but is there a better (easier) way…
Michał Šrajer
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If I use ftp or telnet by accident, to what extent is my password unsafe?

if i use ftp or telnet by accident (usually on the bash shell), to what extend is my password visible? can my coworker see it? can my neighbor see it if i work at home (if not using wireless)? can someone working at a data center along the way see…
nonopolarity
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Can I use HAProxy to load balance telnet connections?

We use HAProxy as load balancer for regular HTTP requests. I see no reference to telnet connections in the HAProxy configuration guide: HAProxy config guide. I was hoping to reuse HAProxy (or spin up separate instances for long lived connections) to…
user1843591
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Best Method to test Opened Ports

We have a requirment where in we have to test 500+ Port opening rules. So requires a suggest on below points. Which is the best tool to test the connectivity of the ports. Telnet will be sufficient If there is no application is listening to a port…
Ajo Mathew
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Automation in Windows Instances on Amazon EC2

I am working on a compute service that will require automatic deployment of our software (~30 megs). The software is a WCF service, so I am stuck with windows. I can't use mono because we use lots of classes that are not implemented in it. We could…
Partho
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Telnet connection to an AS400 system via telnetlib (Python)

I use telnetlib - Python - to create a telnet client - port 23 - to communicate with an AS/400 server. communication with the telnet command that is no problem, but with telnetlib I do not get any message. Here is my code: import getpass import…
DARDAR SAAD
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How to start a Windows GUI app from telnet

I have a GUI application running on a windows XP client machine. I would like to telnet in, shut it down, pull some files over via ftp and then start it up again. It's that last part that I'm having problems with as it seems like starting any GUI…
George Mauer
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How to forward UDP Wake-on-Lan port to broadcast IP with IPTABLES?

I'm trying to setup Wake-on-Lan for some of the LAN computers at home and it seems that I need to open a UDP port (7 or 9 being the most common) and forward all requests to the broadcast IP, which in my case is 192.168.1.255. The problem is that my…
rfgamaral
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telnet source IP

I have a multihomed Windows 2003 server. Is there a way to specify the source IP address to use with the telnet client?
mpkilroy
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Unable to telnet out on port 25 on windows server 2008

I just setup a Windows 2008 R2 server and am trying to get a basic mail server up and running so that I can send emails from my applications. I setup a virtual SMTP server in IIS6 and tried doing a local telnet to port 25, which seemed to work fine.…
NickGPS
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How do I fix "getaddrinfo: localhost Name or service not found" for telnet server?

I need to enable telnet (no i can't use ssh, and I don't want to discuss why I have to use telnet either), I have 127.0.0.1 localhost.localdomain localhost in /etc/hosts. I have installed telnet-server, chkconfigd it on, and enabled xinetd. SElinux…
Nick Anderson
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telnet non interactive: connection closed by foreign host

if I do telnet host_ip port < /dev/null Trying host_ip... Connected to host_ip. Escape character is '^]'. Connection closed by foreign host. By checking the wireshark, the client side sends tcp rst to the host side. Can anyone explain what happens…
pepero
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Why does anyone use ftp?

I am a newbie, so maybe I'm missing something. Why would anyone use ftp or telnet for site administration? If they use them, why would they wonder how they've been hacked? Isn't it obvious that all this stuff should go over sftp, ssh, or an https…
chernevik
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Connecting to Hotmail's IMAP Server using Telnet

Hotmail appears to have two separate IMAP ports: imap-mail.outlook.com 993 And: imap-mail.outlook.com 143 My guess here is that 143 is unsecured, and 993 is over SSL. However, when I try to connect over 993: telnet imap-mail.outlook.com 993 I…
Paul Michaels
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