telnet

Exchange drop support for SMTP?

I want to send email with Exchange by using telnet to port 25. Until two week ago I was able to, but now a "security fix" from Microsoft has removed this possibility. When I try, I get this message: 421 4.3.2 Service not available, closing transmission channel What can I do? ...

Spawning an interactive telnet session from a shell script

I'm trying to write a script to allow me to log in to a console servers 48 ports so that I can quickly determine what devices are connected to each serial line. Essentially I want to be able to have a script that, given a list of hosts/ports, telnets to the first device in the list and leaves me in interactive mode so that I can log in ...

telneting backspace key is wrong

When I telnet into our works sun station my backspace key doesn't work. I use a temporary workaround of: $ stty erase ^H This works but each time I telnet in I have to retype this. How can I set this to work properly in my .cshrc file? ...

Proxy for command line utilities in Win XP

How do I get command line utilities like ping to use the default proxy in Windows XP. proxycfg -u sets the proxy to the default (IE) proxy alright, but it doesn't seem to be working. Update: I am behind a proxy and would like a way to check if a site is up or not hence trying to use ping! Also would like a way to telnet (without using ...

Using telnet in a C Program

Hi, I am working on a robot automation project and I have run into a road block. To control the robot, one needs to connect with it wirelessly via telnet and send commands through the tcp/ip protocol. (ex. The 'Mabc' command moves it forward based on the left wheel speed (a), the right wheel speed (b) and time (c)). What I am trying to ...

How does Telnet server communicate to the client?

I want to write a C# application where it connects to a telnet server and communicates to the server. I was wondering how a telnet server sends information to the client. I have looked (skimmed) over the Telnet RFC and looked at the incoming packets coming in from the server and still a bit confused. Can somebody give me an example how t...

Managing Cisco programatically; Telnet vs SNMP?

I was recently approached by a network-engineer, co-worker who would like to offload his minor network admin duties to a junior-level helpdesk tech. The specific location in need of management acts as an ISP for tenants on its single-site property, so there's a lot of small adjustments being made on a daily basis. I am thinking it wou...

Why vim doesn't work correctly into a telnet session ?

Hello, I use vim (7.1) on OpenVMS V7.3-2. I connect to VMS trough a telnet session with SmartTerm, a terminal emulator. It works fine. But when I start a telnet session from a VMS session (connected via SmartTerm) to another VMS session, some keys doesn't work properly. |--------------| telnet |-------------| telnet |-----------...

Telnet Server

I would like to implement a telnet server in C. How would I proceed with this? Which RFCs should I look at? This is important to me, and I would appreciate any help. ...

Force telnet client into character mode

I have an application where I accept a socket connection from a telnet client and put up a simple, keyboard driven character GUI. The telnet client, at least on Linux, defaults into line-at-a-time mode, so I always have to do ^]mode char manually. A skim of the relevant RFCs suggests that if my application simply sent the characters IA...

Running applications through Telnet

Hi, I need to create a BAT file to run an application through telnet, but as far as I know there is no way to do this on DOS. Telnet does not allow any command to be sent to the remote machine at the very instant of the connection, and each subsequent command in the BAT file would only be executed after telnet stops. This hypothetical p...

Schedule a .vbs file to run in Windows

I have a VBScript script that starts a cmd prompt, telnets into a device and TFTP's the configuration to a server. It works when I am logged in and run it manually. I would like to automate it with Windows Task Scheduler. Any assistance would be appreciated, here is the VBScript script: set WshShell = WScript.CreateObject("WScript.Shel...

Telnet lib and language choice for cross OS telnet client?

I'm looking to start a MUD client application, which connects to a MUD hosted on a telnet server. The only thing important to me is that it runs painlessly and efficiently across any OS. Aside from that requirement, I'm not really sold on any language. So I'm looking for a freely available telnet client library on which I can base my ...

How do I get a PHP script to send and receive data from an already running process?

I'm trying to create a simple AJAX to Telnet client for the web. I may be re-inventing the wheel by doing this, but it is a learning project for myself. At the moment I haven't written anything, I'm just trying to get the idea wrapped around my brain. It doesn't necessarily have to be PHP. If I have a telnet client that supports multipl...

Disable character echo on Java network connection

I have a Solaris daemon written in Java6. Clients can connect to it using a telnet style interface. They telnet to a particular port, and I read lines of input and act on them. At one point in I need to prompt the user to enter a password, and while they're entering that I want to disable the echoing of characters back to the telnet cli...

C# Telnet Library

Is there a good, free telnet library available for C# (not ASP .NET)? I have found a few on google, but they all have one issue or another (don't support login/password, don't support a scripted mode). I am assuming that MS still has not included a telnet library as part of .NET v3.5 as I couldn't find it if it was. I would loooooove to...

How do I launch a specific telnet-based app from a web browser?

What I'd like to do is provide a link on an intranet web page that will launch a telnet session and pass context information to a shell script that will take the user to a specific "green screen." This "pseudolink" might help show what I'm looking for: <a href="telnet://<user>:<password>@<host>?showdetail%20123">detail for 123</a> ...

Telnet / Terminal commands

Got a problem with a proxy telnet server that I am trying to debug, it appears that a set of characters being sent are causing it a problem .... does anybody know where I can get a list of teminal commands (Along the lines of [40m)? ...

linux c/c++ programming telnet connection io redirection

I have a computer (say computer A) whenever computer A gets a connection over a particular telnet port, it launches a program. this program on computer A handles login, authentication etc. One of the jobs it can do is receive files. It handles this by launching gKermit. /usr/local/bin/gkermit -e 8000 -w -a /location/x/ -ir I have a s...

Emulating a Host user interface

Hi! I need a test application which provides a simple host/telnet user interface (like on a IBM S/390 main frame). The application should be accessible by a terminal/host program like "Personal Communications" and provide a simple user interface. Please note that no functionality besides the "GUI" is required. How do I implement such ...