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Packet Dropped - TCP Sequence Out Of Order

Have to migrate an Oracle Database 12 to other DB on a remote site (LAN -> VPN)

I got this erros on packet monitor all the time and my connection is cut of after a few minutes.

I disabled "Enable support for Oracle (SQLNet)" and disabled "TCP Randomization" in diag.html.


Any ideas?

Category: Mid Range Firewalls
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Comments

  • BWCBWC Cybersecurity Overlord ✭✭✭

    Hi @brunogabriel

    are both sides (local and remote) secured by SonicWall Appliances?

    I don't have any Oracle experience, but did you tried to "Disable DPI" on the Advanced tab of the Firewall rule allowing the traffic? Usually having this on both sides would make sure that DPI is not messing this up.

    VPN connection is stable I suppose?

    Best regards.

    --Michael@BWC

  • brunogabrielbrunogabriel Newbie ✭

    Yep, I disabled DPI on rules LAN -> VPN, VPN -> LAN

    It's supposed to be stable, tried with more then one WAN.

  • NevyadithaNevyaditha Moderator

    Hi @brunogabriel ,

    Can you confirm if the option " fix/ignore TCP malformed packets" on diag page is enabled or disabled ?

    Is there any disconnectivity issue that you experience, if there is then do you experience it after certain specific time or does it occur randomly ?

    Regards,

    Nevyaditha P

    Nevyaditha P

    Technical Support Advisor, Premier Services

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