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  1. How to telnet to an IP address on a specific port? - Super User

    Sep 23, 2011 · 145 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 …

  2. Test if a port on a remote system is reachable (without telnet)

    Feb 12, 2016 · In the old days, we used telnet to see if a port on a remote host was open: telnet hostname port would attempt to connect to any port on any host and give you access to the raw TCP …

  3. networking - Telnet: Could not open connection to the host on port 23 ...

    The telnet server and client have been installed on 192.18.212.124 and I'm able to login to a switch from 192.18.209.124 once I allowed it's subnet on the switch.

  4. 'telnet' is not recognized as an internal or external command,operable ...

    I'm working on an InfoSec exercise, specifically sending emails in cmd that makes use of telnet. Unfortunately, I can't start it. I'm receiving the "'telnet' is not recognized as an internal or ext...

  5. Open a test TCP connection to a specified IP/Port - Super User

    I'm looking for a tool that works across windows (xp through 7) that will allow me to open a TCP connection to a specified ip and port. This functionality used to exist in windows xp (netsh diag co...

  6. How to use telnet in Windows Command Prompt? - Super User

    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 co...

  7. SMTP email in PuTTY - Super User

    1 Two ways: Use Putty/SSH to connect to a remote Unix-like system. Then you can use mutt, pine, alpine, mail, elm, mailx and various other programs to send mail. Use Putty/Telnet to connect to the …

  8. networking - Send TCP packets with Curl - Super User

    Background : I want to have computers communicate to each other so I used to use Dropbox for syncing them. I used one program to echo information in a text file, then the other computer would have...

  9. telnet: Could not open connection to the host, on port 23

    Do you have a telnet server installed locally? If not, you will not be able to connect to 127.0.0.1 on port 23. Also, why telnet? some specific reason? Why not just open a command prompt considering you …

  10. networking - How to generate UDP packet - Super User

    I want to generate UDP packet to test a program, something equivalent to using telnet to test TCP port (Can telnet generate UDP packet?) How can I do this?