TELNET CONFIGURATION

TELNET CONFIGURATION IN LINUX

Tenet Configuration Network Topology

Telnet is a one of the application layer protocol.

It is a general purpose client server application program.

Telnet enables the remote connection between client and server.

Telnet is a non secure protocol.

When we start the telnet protocol its asking user name and password for login purpose.

We can use snooper software to capture a login name and the corresponding password.

Telnet protcol default port number 23.

INSTALL AND START THE TELNET SERVICE

 STEP 1: Find out the Telnet-Server RPM package from Red hat installation DVD ROM.

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SETP 2: Install the Telnet-Server Rpm package # rpm –ivh Package name-Version Number

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Installation successfully completed.

STEP 3: Verify the Installed telnet version using # rpm –qa Package name.

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STEP 4: Start the telnet-server service using # service xinetd start.

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STEP 5: Verify the telnet-server service status using # service xinetd status.

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STEP 6: Check the Red hat server IP configuration for remote login.

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Interface Name: eth0
Server IP Address 192.168.1.3
Subnet Mask 255.255.255.0

STEP 7: Configure the Windows client machine and assign the IP Address. 192.168.1.2

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STEP 8: Telnet Login from client machine using Putty terminal Application.

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STEP 9: Enter the Red hat server user name and password to remote login.

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Telnet remote login successfully completed.

STOP TELNET SERVICE AND REMOVE THE TELNET

STEP 10: Stop the telnet server service using # service xinetd stop10STEP 11: Check if the service sucessfully stoped or not using # service xinetd status.

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STEP 12: If we need this service restart the telnet server serivice using # servicee xinetd restart

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STEP 13: Verify the restarted telnet service status using # service xinetd status

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STEP 14: Remove the telnet-server package using # rpm -e telnet-server

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STEP 15: Verify if telnet server package successfully removed or not from our server machine using

# rpm –qa telnet-server

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