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Hi All i want to change my the default port number for telnet services from 23 to say 2345. I have enabled the iptables rule to accept traffic from 2345 port , but still i am getting connection refused error. I have made following entry ion my iptables.

iptables -A INPUT -p tcp --dport 2345 -J ACCEPT

and reloaded the iptables file

  • Hi! Can you please edit your post to show us the relevant part of any server configuration files you changed? – dhag Oct 23 '15 at 20:35
  • changes has been done – Raghav Chadha Oct 23 '15 at 20:37
  • How is you telnetd started? Via inetd? – Thomas Weinbrenner Oct 23 '15 at 20:38
  • Did you change the telnet server configuration as well, so that it listens to a non-default port? – dhag Oct 23 '15 at 20:39
  • telnet is started via xinetd – Raghav Chadha Oct 23 '15 at 20:39
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I edited /etc/xinetd.conf

service telnet
{
port 2345
}
#service xinetd restart

and now it works.

1

If you edit /etc/services line:

telnet          23/tcp

to

telnet          2345/tcp

and restart telnetd or xinetd or inetd will work for sure.

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