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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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invoking telnet from two different interfaces

I use telnet to test email server connectivity between servers. My server has two interfaces, I'd like to telnet over each. Basically I'd like to choose source (one of my local ip addresses) AND destination when using telnet. Is this possible?
RussellBallestrini
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What are the reasons for using telnet command?

I SSH into root and noticed the previous user used this command: telnet randomdomain.com 25 From what I gathered it is connecting to another server? But that domain doesn't have anything to do with my site, and it doesn't even show up in google. The…
user1699176
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How to telnet a computer name?

I have a computer in the network with computer name: XP-201112453 Without knowing the IP, how can I telnet to access this computer? I tried: telnet XP-201112453 but terminal gives me "nodename nor servname provided, or not known" as if the syntax…
KMC
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Cannot remotely telnet to Port 25

On a rackspace cloud server, I opened up Putty and it WORKS if I do "telnet localhost 25" on the VPS, the postfix process is running as well However, if I try to telnet remotely like "telnet domain.com 25" it doesn't work, I've tried "telnet…
Shane
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how to disable telnet services in windows servers

In my windows machine telnet services are set disabled in windows machine. But when you do: telnet localhost 25 still the SMTP listens. how can i set not to listen to the service?
Riyas
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Is there a security risk to just having the telnet client installed on Windows?

I was recently asking for the telnet client to be turned on on my Windows install. The devops guy told me it was restricted because it passed people's usernames and passwords through clear text. I assume he is referring to using it to connect to an…
JGleason
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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 a terminal - however, if I start the script from…
Mad_Ady
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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 process is created by a Java program. When I telnet to…
David Resnick
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Automate time and date through telnet

im not very clued up with telnet commands but i am looking to automate logins for a device we use in the field. we are having issues with Cmos batteries and every time the power goes out (6 times a day) we have to telnet into 2 devices then reset…
Warren
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Telnet reconnect or maintain session?

We currently have several RFID Scanners connected to the backend via a telnet client. However due to coverage of our wifi these scanners might lose there connection for a small period of time. The devices now disconnect and fail to restart their…
DW24da
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Telnet not working with windows 10

I am using telnet on windows 10. I would like to manually set get requests to chosen server. If I type (just example it can be any site): telnet www.cnn.com 80 for a second I see message 'connecting to www.cnn.com'. Text on the page then disappears…
FrenkyB
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Unable to connect to telnet server

I am trying to setup a telnet server on a windows 7 PC Locally I can login by typing the followings: telnet localhost However when I am trying to login from a remote PC I am getting the following error: Failure in initializing the telnet session.…
Mokus
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