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POP3S inbound - bind to certain interface possible?

Hello,
there's a question where I'm unsure if this traffic rule is possible at all at UTM level. Please excuse if this is stupid question:

If I want to bind for example POP3S inbound to a certain Interface (HDSL rather than automatic load balancing between ADSL and HDSL) what's the correct approach to achieve this?
My guess is that multipath can't help here because its incoming traffic. Such a rule would certainly work for SMTP ougoing.

But how do I get that client to use only the HDSL interface for POP3S incoming traffic?


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  • Simplest method is by using DNS FQDN that points to the IP-address of that interface.


    And this would work also without using the pop3 scanning on the UTM?
  • And this would work also without using the pop3 scanning on the UTM?


    I'm not sure what you mean with this question, but I expect you'd also need to create firewall and DNAT rules.

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

  • I'm not sure what you mean with this question, but I expect you'd also need to create firewall and DNAT rules.


    Actually, I thought to achieve this without having to configure a full set of passthrough.
    Thanks for your help, I'll report back if it working! [8-)]