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Block Internet Access of a Host on RED Network

Prakhar Jalan

Hello,

We have about 22 IP CCTV cameras that need to be blocked for internet access. Only the DVR (with which the cameras are attached) will be needing the internet access. The cameras are connected to a RED working in split mode. The IPs of the cameras have static IP mapping.

We would like to know how do we block them reaching out to the internet?

Do we simple define a firewall reject rule with Source being the cameras and the destination being ANY IPv4? However, since the RED is working in split mode, would this rule work?

Thanks!



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  • 0

    No, the RED cannot be made to reject/block traffic that's not in the tunnel, only traffic that goes through the UTM can be managed.  Why would the cameras be accessing the Internet?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Well it seems like the cameras are accessing the internet because as soon as I connect the switch (to which all the cameras are connected) to the RED, the RED reboots. I am suspecting that the cameras are flooding the device which is causing it to restart. What should I do?

    Thanks!

  • 0 in reply to Prakhar Jalan

    You may have a dead RED.  I would get a ticket open with Sophos Support.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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