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How to open to internet for airgap sophos xg firewall>

Si Ta 8 months ago

I like to open the internet access on the firewall.

My Firewall is set up as airgap device. One laptop is connected to it to access the web console of the firewall. That laptop can access to the internet.

Could you advice me how can I configured my firewall to get access to internet? Thanks.

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PhilippRusch 8 months ago +2 suggested

If you want to keep it airgapped, you need to download firmware updates manually, if that is your question.

0 rfcat_vk 8 months ago

Hi,

Your request is not very clear. Please provide a simple network diagram of the connections.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 PhilippRusch 8 months ago

If you want to keep it airgapped, you need to download firmware updates manually, if that is your question.

Mit freundlichem Gruß, best regards from Germany,

Philipp Rusch

New Vision GmbH, Germany
Sophos Silver-Partner

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0 apijnappels 8 months ago

If you want the firewall to be able to reach the internet through the management laptop you should connect your firewall to this laptop as tough it was a WAN-connection.

Your laptop would need to be configured to IP-forward packets coming from the firewall to the internet and it would likely need to have 2 interfaces; one going to the firewall and the other out to the internet.

If this is not what you intent, then please provide us with a network diagram as requested also by rfcat_vk

Managing several Sophos firewalls both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.
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0 rfcat_vk 8 months ago in reply to apijnappels

Also, an air gap XG will fail after a month of no connection to the licensing server.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 PhilippRusch 8 months ago in reply to rfcat_vk

You can apply for a special airgapped license, which does not need to contact Sophos license services on a regular basis.

Have a look here:

https://docs.sophos.com/nsg/sophos-firewall/20.0/help/en-us/webhelp/onlinehelp/AdministratorHelp/Administration/Licensing/AdministrationLicensingAirGap/index.html

Mit freundlichem Gruß, best regards from Germany,

Philipp Rusch

New Vision GmbH, Germany
Sophos Silver-Partner

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0 Si Ta 8 months ago in reply to PhilippRusch

Hi Philip, Thank you so much for your advice. I have resolved my problem to upload the license. I raised requested to sophos for airgap license.
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