Summary
The remote host answers to ICMP 'domain name' messages.
Description :
The remote host answered to an ICMP 'Domain Name Request' as defined in RFC 1788.
Such a request is designed to obtain the DNS name of a host based on its IP.
Solution
If you do not use this feature, filter out incoming ICMP packets of type 37 and outgoing ICMP packets of type 38.
References
Updated on 2015-03-25
