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terrabit
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Member since: ‎10-19-2015
‎06-05-2020
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Re: ASA SYN attacks report

by in Reporting
‎10-19-2015 04:57 AM
‎10-19-2015 04:57 AM
419002 Error Message %ASA-4-419002: Received duplicate TCP SYN from in_interface:src_address/src_port to out_interface:dest_address/dest_port with different initial sequence number. Explanation A duplicate TCP SYN was received during the three-way-handshake that has a different initial sequence number than the SYN that opened the embryonic connection. This could indicate that SYNs are being spoofed. This message occurs in Release 7.0.4.1 and later. •in_interface—The input interface •src_address—The source IP address of the packet •src_port—The source port of the packet •out_interface—The output interface •dest_address—The destination IP address of the packet •dest_port—The destination port of the packet Recommended Action None required. ... View more
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‎06-05-2020 02:04 AM