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NSA2700 - 4433 unreachable intermittently after FW Update SonicOS 7.0.1-R1456

StuartBoothStuartBooth Newbie ✭

After recently patching the SW to the recommended firmware to close of the identified vulnerability we been finding that SSLVPN/Virtual Office port 4433 becomes unavailable after a few days and doesn't work again unless the unit is rebooted.

Remote users are unable to access the Virtual Office web portal or connect via SSLVPN NetExtender.

Is anyone else seeing anything similar to this since patching?

Thanks

Category: SSL VPN
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Answers

  • shiprasahu93shiprasahu93 Moderator

    Hello @StuartBooth,

    Welcome to the SonicWall community.

    I could not find any such reported issues. While it is unreachable if you do a packet capture on the firewall for TCP 4433, what do you see?

    Are packets getting dropped, not reaching at all, or reaching but staying in consumed status? That will help further investigate this matter.

    You can take help from our support team for a thorough investigation.

    Thanks!

    Shipra Sahu

    Technical Support Advisor, Premier Services

  • bmillerbmiller Newbie ✭

    I am having the same issue.

  • StuartBoothStuartBooth Newbie ✭

    We have a few other customers with similar symptoms now, one case has provided a patched firmware. Currently waiting to see if this resolves the issue

  • ArkwrightArkwright Newbie ✭

    10 days running with hotfix, looking better. Previously, SSLVPN service was dying around the 3 day mark.

  • prestonpreston Enthusiast ✭✭

    Hi @StuartBooth , Please can you post what Hotfix version SonicWall provided for you, so if other users have the issue they know which one to ask support for?

  • EAnderson_SNEAnderson_SN Newbie ✭

    Same issue here. It has going on since we upgraded from Gen 6 firewalls to Gen 7 TZ470's. We have 2 in an HA pair running 7.0.1-R1456 now and SSLVPN will stop working after about 2 weeks. We failover to the standby unit and then reboot our primary and fail back to get SSLVPN working again. We have had a couple support tickets and hotfixes from support but nothing is a long term fix.

    The Virtual Access portal is also unresponsive until a reboot.

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