ok so here is what this server has
C:\Users\grays>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : CTECH-GLA-VWEB5
Primary Dns Suffix . . . . . . . : ad.******.co.uk
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ad.******.co.uk
Ethernet adapter Local Area Connection 2:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : vmxnet3 Ethernet Adapter
Physical Address. . . . . . . . . : 00-50-56-8A-1C-6A
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 10.232.16.61(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 10.232.16.11
DNS Servers . . . . . . . . . . . : 10.232.111.21
10.232.111.51
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{BAC38D81-3251-402A-B9AC-D184E76E6AB1}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Windows Server 2008 R2
for testing, i currently have 2 "sites" set up in IIS (both just HTTP for now).
1 single public IP that hits the firewall which then routes the traffic from port 80 (and 443) to the server on the internal IP
binging options that are available are
with regards to the suggestion about nginx. i definitely wouldn't get approval for putting in a linux box anywhere on the network.
i might be able to get nginx installed on this server alongside IIS, but that would only be at a last resort.