SBS.YourDomain.com = 203.35.***.40
and
Linux.YourDomain.com = 203.35.***.41
SBS_Internal = 192.168.0.2
Linux_Internal = 192.168.0.5
SBS_Services = SMTP, HTTP, HTTPS, SharePoint (you might need to define this service)
Linux_Services = HTTP, HTTPS
SBS_External = 203.35.***.40
Linux_External = 203.35.***.41
SBS = 'Any -> SBS_Services -> SBS_External (Address) : DNAT to SBS_Internal'
Linux = 'Any -> Linux_Services -> Linux_External (Address) : DNAT to Linux_Internal'
https://SBS.YourDomain.com/exchange/
SBS.YourDomain.com = 203.35.***.40
and
Linux.YourDomain.com = 203.35.***.41
SBS_Internal = 192.168.0.2
Linux_Internal = 192.168.0.5
SBS_Services = SMTP, HTTP, HTTPS, SharePoint (you might need to define this service)
Linux_Services = HTTP, HTTPS
SBS_External = 203.35.***.40
Linux_External = 203.35.***.41
SBS = 'Any -> SBS_Services -> SBS_External (Address) : DNAT to SBS_Internal'
Linux = 'Any -> Linux_Services -> Linux_External (Address) : DNAT to Linux_Internal'
https://SBS.YourDomain.com/exchange/