Linux notes:telnet server
RedHat AS 3.0 telnet server
Symptom:
login: joe
Password for joe:
login: Cannot resolve network address for KDC in requested realm while getting initial credentials
Solution:
By default the RH AS 3.0 does not install the telnet-server package.
When you telnet to it, you are connecting to the kerberized rlogin server.
If you don't want to configure a kerberos domain and just want to install
the plain telnet server, this is the solution.
Download a copy of the file telnet-server-0.17-26.rpm and install.
#rpm -ivh telnet-server-0.17-26.rpm
If the server is registered with the RedHat network, just run the following command.
#up2date telnet-server
Edit the following files /etc/xinetd.d/telnet and /etc/xinetd.d/eklogin
/etc/xinetd.d/telnet
# default: on # description: The telnet server serves telnet sessions; it uses \ # unencrypted username/password pairs for authentication. service telnet { flags = REUSE socket_type = stream wait = no user = root server = /usr/sbin/in.telnetd log_on_failure += USERID disable = no }Take note disable should be set as no.
/etc/xinetd.d/eklogin
# default: off # description: The encrypting kerberized rlogin server accepts rlogin sessions \ # authenticated and encrypted with Kerberos 5. service eklogin { flags = REUSE socket_type = stream wait = no user = root server = /usr/kerberos/sbin/klogind server_args = -e -5 disable = yes }Take note disable should be set as yes.
Then restart the xinetd daemon.
#/etc/init.d/xinetd restart
Stopping xinetd: [ OK ]
Starting xinetd: [ OK ]
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