Fake or malformed packet???

What does it mean by fake or malformed packet under the log section?

Fake or malformed packets can be an indication of Denial of Service attacks. When Protocol Analysis is enabled for CFP the firewall checks that every packet conforms to standards. If not, then the packets are blocked.

This is worth reading:

https://forums.comodo.com/frequently_asked_questions_faq_for_comodo_firewall/do_packet_checksum_verification_should_i_use_it-t2305.0.html

:SMLR