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  1. 4 lis 2018 · We can use the following in order to test telnet VIA port; in the following example we test port 6667: [root@kafka03 ~]# telnet kafka02 6667 Trying 103.64.35.86... Connected to kafka02. Escape cha...

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  2. We can use the Telnet command to connect to a port on a remote server to verify if the path from our computer to that server is open over that port. Telnet was originally built to remotely control and manage mainframe computers from distant terminals.

  3. 14 lip 2009 · Have you tried using netcat (nc) instead of telnet? It has more flexibility, including being able to set the timeout: echo 'QUIT' | nc -w SECONDS YOUR_HOST PORT # e.g. echo "QUIT" | nc -w 5 localhost 21 The -w 5 option will timeout the connection after 5 seconds.

  4. 16 sie 2021 · Learn how to use the Telnet command line tool to test if a port is blocked on your local network router or server. Or can you use Netcat or Nmap for better security?

  5. 23 wrz 2011 · If you wanted to telnet to your device on port 12345 you'd use: telnet 10.1.1.55 12345 You have to be able to establish a connection to the remote host and know which port number you want to talk to, though.

  6. 13 cze 2023 · The telnet command syntax is the following: telnet [ host [ port ] ] For example, if you want to test connectivity to a remote service using port 20011 on host test.netbeez.net, you’ll have to type: telnet test.netbeez.net 20011.

  7. 3 sie 2022 · Telnet is an old network protocol that is used to connect to remote systems over a TCP/IP network. It connects to servers and network equipment over port 23. Let’s take a look at Telnet command usage.

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