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Restrict Connections on Standby Interface

busthead

Hello,

I intend to add a 4G modem as a Standby Interface and want to limit the devices that can use the backup 4G to a select few. I understand that I can create firewall rules permitting connections via the primary Internet connection interface but the follow statement confuses me,

"After activation Firewall and DynDNS configuration options regarding the first interface are replaced by the newly created objects Uplink Interfaces and Uplink Primary Addresses."

It sounds like all of the firewall rules I've written to permit connections via the primary Internet interface, will automatically be rewritten and permit connections via the Standby Interface - which is what I need to avoid.

Am I understanding correctly? Any ideas as to how to limit the devices that can use the backup 4G Standby Interface?

Thx



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  • 0

    Where did you see that?  It certainly doesn't comport with my experience.  Depending on your requirements, you might prefer to have the 4G also Active with a weight of zero.

    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

    BAlfson said:
    Where did you see that? 

    Interfaces & Routing->Interfaces->Uplink Balancing:

    The 4G connection is only required for alarm system network access; I have a 'smart' self-monitoring system that requires an Internet connection. Therefore, my must have requirements are:

     

    -Auto failover to the 4G connection

    -Limit use of the 4G (failover connection) to a select handful of devices

     

    Like to have requirements:

    -Auto failback

    -If X MB over Y duration occurs, then block all connection attempts via 4G

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  • 0 in reply to BAlfson

    BAlfson said:
    Where did you see that? 

    Interfaces & Routing->Interfaces->Uplink Balancing:

    The 4G connection is only required for alarm system network access; I have a 'smart' self-monitoring system that requires an Internet connection. Therefore, my must have requirements are:

     

    -Auto failover to the 4G connection

    -Limit use of the 4G (failover connection) to a select handful of devices

     

    Like to have requirements:

    -Auto failback

    -If X MB over Y duration occurs, then block all connection attempts via 4G

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