Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in [RFC 854](http://tools.ietf.org/html/rfc854). Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it ...

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Telnet without passwords

Back in the days of Redhat 9 I set up networks using dumb terminals that used telnet to log in to the server. And simply by deleting the 'X' in /etc/passwd for the user, the user could log in with a ...
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2answers
2k views

Force telnet mode to character without using telnet commands

I have a remote host C accessible using telnet from host B. From the host A, I use ssh to create a port forward for access to the telnet server of the host C. I use the following command at hostA ...
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1answer
910 views

Is it possible to reset password of Switch CISCO 3500?

With telnet, is it possible to reset password of a CISCO's switch or you have to connect to the console port? Thanks for response..
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1answer
693 views

Per-user login.cmd in Vista?

I would like to know if there is a per-user version of %SystemRoot%\System32\login.cmd available? The default login.cmd file contains comments hinting towards this, but I can't find anything about it ...
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3answers
1k views

telnet port forwarding

Anyone knows if it is possible to setup port forwarding with a telnet client, like it is with SSH?
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1answer
361 views

Pasting extended ACL contents into telnet session to Cisco Router SIM

I have a telnet session to a dynamips router sim. When I try to paste the contents of an actually working ACL retrieved from 'show run' into the access list, only part of gets pasted. The session is ...
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3answers
160 views

Is it normal for port 23 to be connected to periodically?

While working at a customer site (a LAN that includes several Windows machines, plus our server) I noticed that something was periodically attempting to connect to our server on port 23 via TCP. ...
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3answers
4k views

How to connect to other linux machine OS from windows through Telnet command

I wanted to connect to my Linux OS (specifically for Terminal prompt), through my Windows OS. I have Linux configured through a virtual machine, as well as through a separate partition. How can I ...
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3answers
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Override screen size in linux telnet

Here's my predicament. I'm developing a perl telnet script that uses Expect to spawn a new telnet process and feed data (non-interactively) into it. Everything works fine when I call the script from ...
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9answers
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Is packet sniffing for passwords on a fully switched network really a concern?

I administer a number of linux servers that require telnet access for users. Currently the user's credentials are stored locally on each server and the passwords tend to be very weak and there is no ...
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5answers
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Can the Windows telnet client be scripted?

Is it possible to use the Windows Telnet client to run a series of commands in a script? If not are there any alternatives that can be?
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2answers
2k views

Can I telnet from Linux to Windows when authentication is NTLM only?

I've got a Windows telnet server set up to accept NTLM only (password authentication mechanism is disabled). Is there any way to telnet to this server from Linux, using a "standard" telnet client ...
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8answers
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Send an email with an attached file using telnet or netcat

I often use telnet or netcat to connect smtp servers to send an email as a test. Does anyone know how you would send an email using telnet or netcat but attach a file as well? There are probably ...
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3answers
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How can I use PAM to restrict telnet login by user?

Regrettably I need to enable telnet for a single user on a Linux machine. Everyone else will have to use ssh. How do I configure PAM to restrict which users may login via the telnet server?
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3answers
553 views

How to specify “terminal-speed” option explicitly in native linux GNU telnet client?

I'd like to be able to set the terminal-speed option explicitly in a native Linux GNU telnet client. Some context to my problem: I'm unable to login to an HPUX host using telnet when the telnet ...
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7answers
1k views

What might be causing telnet not to work from the mail server?

We are having and issue with sending some emails to domains outside of our network. We fixed a reverse dns issue and it did not resolve all of the issues. We then realized that we could not connect ...
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7answers
8k views

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 ...
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2answers
298 views

Good HTTP Monitoring tools [closed]

I look for HTTP to work with a Linux system server monitor tool every protocol. I know, and will not there be it in whom or a freeware? When, for example, I dump 80/tcp with a packet monitor to be ...
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3answers
376 views

Is is possible to reattach a telnet connection?

Our network involves a series of dumb text terminals which telnet into a SCO OpenServer 6 server. Occasionally, one of these terminals will crash, forcing the operator to move to a different terminal ...
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3answers
4k views

How to Telnet to Pop3 server?

I have an interview coming up and I want to play around with POP3 and SMTP protocol. I'm trying to login to my gmail's pop3 server account using Microsoft Telnet command line program but it's not ...
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5answers
504 views

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 ...
2
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2answers
840 views

Output text file to TCP port

How can I output a text file to a TCP port on Windows Vista using built-in software? For example, type TextFile.csv | telnet localhost 1979 This doesn't work: The process tried to write to a ...