How to increase the telnet sessions per source IP address

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Issue

Getting following error message in /var/log/messages:

Sep 24 16:03:07 xxxxxx.com xinetd[15268]: FAIL: telnet per\_source\_limit from=xx.xx.xx.xx

How to increase the maximum telnet sessions to 50
How can I increase the maximum telnet sessions that can be established?

Environment

Red Hat Enterprise Linux 5.4

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