1:1 NAT

Hi
I need to setup multiple Public IPs on my ADSL service which is with Telstra Business Direct as I have 2 servers that need to be accessable on ports 80 and 443.
I have organised a block of 8 IPs with Telstra which are now available.
The 2 problems I have are;
1) when I switch the modem (Billion BiPAC 5200G RC) to multiple IPs it stops responding to the internet.
2) when I switch to multip IPs there is an option for IP Address Mapping which I setup but I can't see any options to block or allow specific ports. In Virtual Server setup I can only forward the same port to one server.
Does anyone know if this router really is or isn't capable of this? If not what ones are? I don't really want to go Cisco (I know they're good but I don't want to spend that much nor do I have the expertise to configure from a command prompt).
Thanks.
karbecAsked:
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lruiz52Commented:
You are in the right place,

Advanced setup/NAT/Address Mapping List

Setup 1:1 nat.

The options to block or Allow ports are set in

Access Management/Access Control Setup
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karbecAuthor Commented:
Thanks lruiz52
In Access Control Setup there are the following options.
Secure IP Address - is this the Public or Private address?
Application - There are limited options here. i.e. no SMTP, VPN, RDP. How can these be added?
Interface- LAN, WAN or Both. What should be selected here?
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karbecAuthor Commented:
Hi, any more thoughts?
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karbecAuthor Commented:
I resolved by purchasing a Draytek Vigor2710.
Did the job perfectly and I got very prompt and useful help from their support desk.
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karbecAuthor Commented:
This was the only solution that worked for me.
Setup WAN IP Alias' and then port redirection.
Worked as simply as I had hoped.
And as mentioned Draytek support were fantastic.
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