We have and old EMC ds_4100b switch and need to disable Telnet, our fabric OS is v6.3.1a
you'll have to adjust ipfilter rules to block Telnet.
Please refer to section called Telnet protocol under Chapter 6, Configuring Protocols in Fabric OS Administrator's Guide (53-1001763-01).
Hope this helps,
Thankyou it worked fine with no problems.
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