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Q: What port needs to be off on a firewall to block Telnet?
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Related questions

What port telnet use?

Telnet use port number 23,and connected to TCP


What is default port number for telnet?

Telnet operates over TCP Port 23.


What port does telnet use?

Telnet use port number 23,and connected to TCP


Which of the following operates on port 23?

Telnet.


How can you enable telnet on port 1521?

telnet hostname.com 1521


The network administrator can ping a remote router but is unable to telnet to it At what layer of OSI model does the error occur?

The firewall blocks it. Almost all router have telnet port blocked because it's considered dangerous.


Why should telnet to UDP port fail?

A single port can be configured to listen for UDP or TCP inbound connection requests (or both). Telnet uses TCP. So when you telnet to a specific IP:port, telnet will attempt to make a TCP connection. If there is no TCP listener on the port you specify, then the connection request will be refused. It matters not if you have a UDP listener on the port. Telnet will not be able to establish a connection to a UDP port.


How do you block World of Warcraft on a netgear router?

You have to access your firewall ports, and block the port that communicates to battle.net.


What is the default telnet incoming port number?

port 23


What port server does Telnet server listen on?

Port 23


What is telnet games?

a telnet game is a game where you use the telnet function built into your windows computer to remotely access another computer, in this case you also specify the port so that you can connect to a part of this computer that is running the game. example: In cmd: telnet you will now connect to telnet In Telnet o "whatever game address you have" "port specification" replace the "whatever game address you have" with the game address you are given to connect. replace the "port specification" with the number you are given for the port


What is the telnet port that work in the OSI?

23