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ICMP Timestamp Request Remote Date Disclosure

nurairtt
Level 1
Level 1

How to stop cisco nexus 5548 to stop responding ICMP time stamp requests. Should we create ACL and apply to all the interfaces? Is there any better ways to acheive.

1 Reply 1

marce1000
Hall of Fame
Hall of Fame

 

 - That's a possibility with an ACL looking like (e.g.)  :             access-list 101 deny icmp any any timestamp-request
    (apply on needed interfaces)
               You may verify success (or not) afterwards with :  # hping3  nexus-ip-address     --icmp --icmp-ts -V

 M.
    



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