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Source NAT on UTM 9

Huwy
hi there,

I've been asked to look at setting up a VPN tunnel to another company.

As they have a lot of VPNs they specify a remote IP address for each 3rd party.
This is in the form 172.18.x.x/29
They suggest using source NAT with this.

Can anyone advise if this configuration is possible on a Sophos UTM 9? I have never setup a VPN in this way before.

Cheers,
H


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  • 0
    Just tried this on another VPN-tunnel I have running and it seems to work as I wrote above.
    When selecting SNAT under Advanced you can (and must) select "Rule applies to IPsec packets" otherwise it doesn't work.

    In fact I think we are talking about the same, SNATting the LAN addresses to the specified addresses that the other party requests to use.

    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.

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  • 0
    Just tried this on another VPN-tunnel I have running and it seems to work as I wrote above.
    When selecting SNAT under Advanced you can (and must) select "Rule applies to IPsec packets" otherwise it doesn't work.

    In fact I think we are talking about the same, SNATting the LAN addresses to the specified addresses that the other party requests to use.

    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.

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