Hi
We have an on-premise XG230 with LAN, WAN and DMZ interfaces.
On the WAN interface we have a range of IP addresses assigned by our ISP (x.x.x.x 255.255.255.248)
We are then able to use all of the public IP addresses in the range to NAT through to internal services without having overlapping ports etc . So mulitple web servers all on port 443 but using a different public IP - pretty standard stuff. RDS gateway etc
We now need to transition this setup to Azure as we are migrated the customers infrastructure away from on-premise.
We have the XG appliance up and running in Azure with 2 NICs as per the default build (LAN, WAN), and this works fine for internet access etc.
Because Azure uses a private IP with a linked public IP per NIC, there only seems to be the option to assign one public IP to the WAN of the XG appliance. We then have the issue of multiple web servers on HTTPS having to share one public IP. I appreciate that Web Publishing might be an alternative option but not something we currently have in place and therefore not guaranteed to resolve our issue.
Has anyone come across other ways to achieve multiple public IP addresses on the virtual XG in azure? It is apparently possible with a Windows based VM by adding multiple private IPs all with a linked public IP, but I haven't found any documentation on this setup for a virtual appliance like Sophos.
As a side issue, can you have more than 2 NICs with an Azure appliance (i.e. a DMZ NIC)? again I cant seem to find documentation on this. maybe its simply not required due to the way in which you use Azure vNETs and NSGs??
Any help much appreciated.
Thanks
Dan
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