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FW dropping ACK, RST/ACK & FIN/ACK packets though packets are from valid sessions

Jim Tagert
Does the ASG function in this manner?

When the firewall receives a TCP RST for an existing session it immediately clears the session from the session table. This means there is no longer a valid session for the TCP RST/ACK to pass through. Hence, the firewall will treat the TCP RST/ACK as a non-SYN first packet and drop it.



Thanks,

Jim


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  • 0 in reply to wingman
    Hi Guys

    is anyone still facing the same issue?


    Hi,

    We just updated to V7.506 and began noticing a similar problem with dropped packets. It is occurring with several random sites, but the most are to c2resolver.ctmail.com 

    Julio