HTTP ERROR 404 or 502,403

Plug a spare pc, not part of your ad into the port on the XG, then try to connect.

ian

Also: Do you have a endpoint software, which supports a proxy within the browser? 

i m not understand.
where put in any port xg inside or any switch.

no bro.

Hello there,

Thank you for contacting the Sophos Community.

I would recommend you to open a case with support, most likely the HD is failing and corrupting the database, you might need to RMA the device.

Regardsm

today morning different error.
so i said we dont have proxy settings or other configration.