Questions tagged [telnet]
Telnet is a client-server protocol used to allow communication between computers in a network.
430
questions
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1
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Telnet trouble on Windows 7 Ultimate 64-bit SP1
I'm trying to connect to a Telnet server. After typing 'telnet [server] [port]', I get a blank command prompt screen. I can then type Telnet commands, but everything I type is invisible.
Replies sent ...
1
vote
1
answer
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where to define allowed telnet port numbers on locahost?
I am unable to do telnet on port 8000 while default telnet on port 23 works fine.
What configuration is required?
# telnet localhost 8000
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: ...
2
votes
1
answer
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How to telnet to find all computer name in a network?
There are multiple computers connected in a network. How can I find out these computer name and IP address?
When I was using Windows, I used to have MacAfee Security and it maps out all the ...
0
votes
1
answer
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Tweaking SNR margin without telnet
I need to tweak my router's SNR margin. I know it can be done by telnet but my router's telnet and ssh are disabled. And I cannot find a way to enable telnet ( How can I enable Telnet on a router )
...
1
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1
answer
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Connect/Disconnect broadband connection from Telnet in a Thomson TG585?
I have a Thomson TG585 V7 router (Flash image : 8.2.7.7.0 , Build name : ZZ5XKB8.277)
I want to Connect and Disconnect the internet via Telnet.
This is very easy from the web interface, but things ...
0
votes
2
answers
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GET works but telnet does not (HTTP GET)
I tried this from bash:
GET http://cetatenie.just.ro HTTP/1.1
It works fine, and I am able to get the page, then I try this from telnet:
telnet cetatenie.just.ro 80
Trying 85.120.166.76...
...
1
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1
answer
862
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WinUAE telnet from serial.device
I want to "call" a telnet BBS from my NComm running on WinUAE. Have someone achieved this and if so - how ?
3
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1
answer
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Connecting to POP/SMTP Server via Telnet
I am trying to connect to connect to an SMTP/POP server via telnet (port 25 and 110). However, I am not able to authenticate myself. Whenever I try to, it says (pop)
-ERR SPA Required, use AUTH or ...
2
votes
1
answer
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How does the Inetutils telnet utility determine if a connection is still alive?
I've started using sockets in programming with Java (I have experience with Python), and while testing a server that I'd written with the telnet command, I noticed that the utility responds ...
3
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2
answers
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Ping works while telnet fails
I have a Windows 2008R2 Server named SERV1 connected to a Unix machine UNI1.
I can ping but I can't telnet.
I have installed the telnet client on server R2. I disabled the Windows Firewall on R2. ...
0
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1
answer
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Telnet error when connecting from Windows to Unix
When I try to connect through telnet from a Windows system to Unix, I am not able to connect. I am getting this log error. Is this related to a firewall issue, or anything I need to mention in the etc\...
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Is there a telnet utility for windows?
Is there a simple telnet command line utility for Windows 7? I am used to the telnet command that is built into UNIX, but I can't seem to find one for Windows that can be used similarly.
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3
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How do I create a SSH server that runs a program rather than a full shell?
I've got a program that I want to share over ssh (or even telnet, security of the program isn't important), but I don't want to allow the connection to access anything else in my system except for the ...
85
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5
answers
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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 ...
0
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1
answer
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Telnet session with tablet
I have a very old legacy application that we want to access thru a tablet. The app is only accesible thru a VT220 telnet session. I'm pretty shure it will work out of the box with Win7, putty and ...
131
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answers
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How to telnet to an IP address on a specific port?
Can anyone tell me how to telnet to an address using a specific port?
I've tried the following:
telnet 10.1.1.55
I suppose a route just hasn't been set up between the two hosts?
What I am trying ...
23
votes
5
answers
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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 ...
0
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1
answer
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vimrc is not working in AIX
I just started to use AIX 7.1(I telnet to it) and the .vimrc I placed in ~ is not working.
The contents of .vimrc:
set showmode
set number
backspace=2
shiftwidth=8
No mode was shown, no line number ...
1
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1
answer
2k
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Telnet-ing to alternative SMTP port: "No route to host"
At home is a Mac Lion Server running a mail server. I have a VPS thats used as relay for incoming mail, to prevent problems when my home server might go down. Because my ISP sometimes blocks port 25, ...
4
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2
answers
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How to use telnet in Windows Command Prompt?
I type this command in a Windows Command Prompt in XP.
telnet microsoft.com 80
Connecting to microsoft.com appears and then telnet window opens, but there is nothing inside it.
If I type any ...
0
votes
2
answers
606
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Windows 7x64: different feedback from Putty and command line client
I'm trying to telnet to a port on an Ubuntu server from a Windows 7x64 machine. When I use Putty it gives me a "Connection closed by remote host" error. When I use the windows telnet client from the ...
1
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1
answer
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Open port for Microsoft SQL database connection from outside the Windows7 computer
My Firewall seems to be blocking the connection from anywhere to my local MS Sql Server on my Windows7 development machine.
On Linux and Mysql I could telnet the database ports and it gives response ...
5
votes
2
answers
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PuTTY closes when opening SMTP over Telnet on certain server
I have PuTTY installed on Vista. When I set it to Telnet and put in a host name of SMTP2Go.com and port of 25 the window opens for a second not showing any text then closes. I also tried ports 2525, ...
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1
answer
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Can not use telnet localhost
I can't use command telnet localhost, always get this error :
Connecting To localhost...Could not open connection to the host, on port
23: Connect failed
Even I have all ports allow connection ...
5
votes
2
answers
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Is enabling telnet a security concern?
Why is it that Vista comes with telnet disabled?
If i enable it, is it a potential risk?
Also, in the list there is "telnet client" and "telnet server". I'm wondering what's the difference between ...
0
votes
2
answers
6k
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Using telnet with an username and a password
I'm trying to use telnet to access http://stream.twitter.com/1/statuses/sample.json but when I connect to it I get a 401 Unauthorized error. Being able to specify username and password would allow me ...
1
vote
0
answers
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Start movie playback on asys O!Play over telnet
I hope this is the correct stackpage to ask this question.
I have an asus oplay mediaplayer next to my tv which offers a telnet interface.
Now i have built a nice app that indexes my media library ...
1
vote
2
answers
1k
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Why does telnet report "login: -h for super-user only."?
I am not able to telnet in to localhost .
[root@localhost ~]# telnet localhost
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
Red Hat Enterprise Linux ...
1
vote
1
answer
524
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Telnet fails to run properly when run from daemon process
When I call telnet to connect to daytime server from interactive shell, it works fine. However, when the same telnet call is issued from a shell script run by cron or some bash daemon process, it ...
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2
answers
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Cron fails to run bash script
I have bash script
#!/bin/sh
DTFILE=/etc/daytime.addr
DTPORT=13
DAYTIME_ERROR=/tmp/dtm.err
function daytime_error(){
if [[ -z $1 ]]
then
exit 1
fi
if [[ -e $DAYTIME_ERROR ]]
...
2
votes
1
answer
545
views
How to log telnet traffic reliably?
We have a pbx system that we can telnet into over the LAN. We want to just dump the log of messages (calls) to a file. We use Hyperterminal which can capture the txt to a file, but I need to do this ...
6
votes
7
answers
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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 ...
4
votes
2
answers
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How to manually do a TCP handshake
Telnet can be used to manually do things that programs do automatically. When I connect to a server I noticed that it automatically does the 3-way handshake to establish a TCP connection. Can it be ...
3
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3
answers
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How to connect to `tcp://192.168.202.112:11053` by command line?
tcp://192.168.202.112:11053
I've ensured the service is on,but when telnet 192.168.202.112 11053,connection fails,why?
25
votes
7
answers
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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.
18
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2
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How to type non-printable ASCII characters in Mac OS X Terminal? [duplicate]
To communicate with a serial-type device over a telnet socket, I need to type the null character (ASCII 0) and all other non-printable ASCII characters.
On Windows, you hold ALT and type the ASCII ...
2
votes
3
answers
10k
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How to telnet into facebook chat
I was able to use facebook chat with an external application using the following information:
First, find your Facebook username by
going to
http://www.facebook.com/your_user/.
Next, Open ...
0
votes
4
answers
354
views
Creating a command that compress a file and save it on a usb, but cannot detect the usb in linux
First of all I can't detect the USB on linux using the command line. I check the directory dev and still cannot find the usb. used the df command to check the usb. I plug and typed df and then unplug ...
7
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3
answers
3k
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Can everything be done in Telnet?
Is it true that everything you do on the web such as web browsing and reading email you can do with Telnet?
3
votes
3
answers
9k
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Automating telnet login and commands on a Mac
Currently I do something like this:
telnet 192.168.0.3 23
username
password
cd /dir/
programname -s -g dosomething
I want to do this with one step, the coolest would be to compile a program for ...
0
votes
0
answers
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Canyouseeme.org vs telnet <ip> <port>
When a visitor visits the site canyouseeme.org and type in a port number, let's say 80 for example, (IP is already detected by canyouseeme), would that be equivalent to do the following telnet:
...
7
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4
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How to test port by telnet command on localhost?
I have windows Xp , I want to test some port , someone advice me to use telnet command on localhost to test it . but i don't know how i can do it (syntax of telnet command on local host) ?
3
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3
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Cannot connect to telnet server
So, I can't use telnet to connect to any server but it works fine from a different computer. It just says it can't connect. I tried the following things:
Disable firewall and AV protection. (...
2
votes
1
answer
512
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Telnet inconsistency
I am having issues running telnet in windows xp.
When I do:
Start > run > telnet > set localecho > set crlf > o bing.com 80
I get "Connecting to bing.com..." and it never goes further. I can ...
1
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1
answer
2k
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No Telnet login prompt when used over SSH tunnel
I have a device, let's call it d1, runnning a lightweight Linux. This device is NATed by my internet box/router, hence not reachable from the Internet. That device runs a telnet daemon on it, and only ...
2
votes
1
answer
1k
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How can I use telnet from Emacs in Windows?
There does not seem to be a built in Telnet client for Emacs. I am using Windows 7. I would either like to run:
M-x TELNET
: or I would like to run "telnet" from shell or eshell
0
votes
0
answers
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O2 wireless box 2 change channel telnet
Anyone know how I can change the broadcast channel via telnet? The router is O2 wireless box 2.
0
votes
1
answer
1k
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How to create tunnel to utilize for telnet connection
The scenario is as follows:
Machine A is located behind client firewall. The machine runs telnetd. This is Linux machine with Python 2.5.4 installed. I do not know the IP addy of the router and ...
2
votes
3
answers
4k
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Windows preventing running of Telnet client
At first, I had issues because Windows 7 doesn't install the Telnet client by default (also, SuperUser has a thread). So, after installing it (and restarting, like Windows asked, though completely ...
2
votes
2
answers
2k
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Connection Issues with SQL Server Express
I have windows 7 Ultimate, 64bit.
I have installed SQL Server 2008 Express and have created a database in it.
I have a jar that helps me create a connection file to connect to this database.
I have ...