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can I port forward 80 to 2 different servers

Posted on 2009-05-06
Medium Priority
Last Modified: 2012-05-06
I need to forward port 80 to 2 different server. I only have on static for account.  I also need 443. What do I need to do to make it happen?
Linksys WRV54G is my router.
Question by:calitech
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Expert Comment

ID: 24321710
From the firewall, you can only forward a port to one ip in your LAN.
Setup your access rule to allow port 80 traffic trought your LAN.
As far as 443, remember that only one SSL can be use per IP.
Give us more details about the role of each server in your network
LVL 21

Expert Comment

ID: 24322828
Hello calitech,

why do you need port 80 open to two servers?
can't you host your website(s) on one server?
just forward port 443 on the router to the internal SBS ip.
and btw, don't host website(s) on your sbs, best practice ...


LVL 16

Expert Comment

by:Aaron Street
ID: 24325288
you dont need to host both websites on one server!

you could have one presentation server. which catches all web requests, determins what webserver they are foor by inspecting the packet. and forwards them on to the correct host (as this server is also inside the network it is in affect acting as a proxy server)

If you have a multi nat capable router, you could purchase extra IP addresses. you could then say

if traffic comes in to ip A on port 80 forward to server A on ip address X
if traffic comes in to ip B on port 80 forward to server B on ip address Y
clients will all use IP address C to communicate in and out of the network.

in this case you may have 500 devices inside the network. all communicating externaly over 3 ip addresses. you still ahve securiy as people can externaly only see your 3 external ip address, so have no way of determining the interanal ip of your servers.
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Author Comment

ID: 24326860
ok since I tried to forward ports 80 and 443 to my other server, I am not getting connected to my exchange server.
I turned off the forwarding of my extra server and will wait till I can get this solved.
My extra server is a Ashay backup server. They say I need ports 80 and 443 forwarded to the server.
I can connect via remote.companyname.com/remote. just not through my Outlook outside of the office.

Author Comment

ID: 24326919
I know I need 443 for my SBS server but I don't know if I need port 80. Should i just disable it and see what happens?

Author Comment

ID: 24326937
the backup server is actually Ahsay.

Author Comment

ID: 24327009
If I get the 2 static IPs how do I configure my router to route both IPs to the internal LAN?
Or how to I route the traffic for both ports to 2 different servers with 1 IP.
LVL 16

Expert Comment

by:Aaron Street
ID: 24329270
you need to insure your router has multi nat enababled.

you will also most likley need to get a block of ips (lots of ISP will allow you 8) of these you can actuly only use 6.

but if your router does not support Multi nat, then you will not be able to implement this.

the alternitive is as i said use a internaly proxy server to route the data once it is inside your network.

Author Comment

ID: 24331142
Looks like I might have to give up my Linksys and go with SonicWall

Author Comment

ID: 24356688
Anyone know how to get this done with a sonicwall tz170?

Author Comment

ID: 24427375
OK I got a block of static IPs and implemented my sonicwall tz170.
I am able to setup a one-to-one nat inside sonicwall. My sonicwall is setup with my old static ip of
my new block is 89-94 with a GW of 87
I setup my backup server to and setup a 1to1 nat to
how ever I can't get to my webserver from in the network or outside.
i can get to my webserver from the backup server just not any clients.

Accepted Solution

calitech earned 0 total points
ID: 24479646
Well the One to One Nat inside the sonicwall worked. I don't know who to award the points to or just close/delete the question.
LVL 16

Expert Comment

by:Aaron Street
ID: 24610032
up to you mate. spread them around if you think many people where helpfull, or just close the question of.

(of course I woudl say give them all to me but that would be cheeky)

Glad you managed to get it sorted out though, and I hope you got some help form us.

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