Recurring ICMP Bad Checksum Warning

monarci josh at monarci.com
Thu Jul 14 12:37:58 UTC 2011


I am currently running a company's FreeBSD web server and I am constantly
receiving the ICMP Bad Checksum warning.  It tells me that the severity is
low, but I've read that it may be best to block such traffic.  This advice
comes from
http://www.fortiguard.com/encyclopedia/vulnerability/icmp.bad.checksum.html

My question is should I try to block this traffic, and if so, what is the
best way?  This is my first time managing a UNIX-based server and am really
loving it, but still have a lot to learn.

Thanks in advance.

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