I am using RedHat Linux. Let me show the contents of the necessary
files to you and then ask my question.
----------------
File: /etc/xinetd.d/telnet (contents below)
# default: on
# description: The telnet server serves telnet sessions; it uses \
# unencrypted username/password pairs for authentication.
service telnet
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}
----------------
File: /etc/xinetd.d/krb5-telnet (contents below)
# default: off
# description: The kerberized telnet server accepts normal telnet
sessions, \
# but can also use Kerberos 5 authentication.
service telnet
{
disable = yes
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/kerberos/sbin/telnetd
log_on_failure += USERID
}
----------------
Output of ipconfig -L:
Chain INPUT (policy ACCEPT)
target prot opt source destination
RH-Firewall-1-INPUT all -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
RH-Firewall-1-INPUT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain RH-Firewall-1-INPUT (2 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT icmp -- anywhere anywhere icmp any
ACCEPT ipv6-crypt-- anywhere anywhere
ACCEPT ipv6-auth-- anywhere anywhere
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
ACCEPT tcp -- anywhere anywhere state
NEW tcp dpt:ssh
REJECT all -- anywhere anywhere reject-
with icmp-host-prohibited
----------------
I have tried all of the following commands:-
1. chkconfig krb5-telnet off
2. chkconfig krb5-telnet on
3. /etc/init.d/xinetd restart
----------------
But when I try to telnet into the box from the same machine or a
remote machine, I get the following error.
# telnet localhost
Trying 127.0.0.1...
Connected to localhost (127.0.0.1).
Escape character is '^]'.
Connection closed by foreign host.
----------------
Can anyone suggest me where I might be making a mistake? Please help
me because I am new to Linux. I would appreciate any guidance from
the members.
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