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Port #1 on primary router <---> VPN server
Port #2 on primary router <--> Load Balancer
Load Balancer <--> web-server #1
Load Balancer <--> web-server #2
Load Balancer <--> web-server #3
VPN traffic enters your network, through the router to the VPN server, and then VPN-server back through the router to your internal servers. Web-traffic goes through the Load Balancer, for distribution to the collection of servers.
You need to login to the router, and enable "port-forwarding" so that incoming traffic (80/TCP) is redirected to the ONE computer on your private network that is running a web-server that is "listening" on 80/TCP.
I will make a couple of assumptions on you setup. First, you have some type of highspeed internet. You have a retail type router/firewall plugged into your internet modem. You are using a VPN Client software installed on a PC or Laptop. By stating that when you connected using your Ethernet cable, you were plugged directly into the Internet modem.
Basically, what you have here is a configuration issue with your Router/Firewall. I use the Cisco VPN Client Software from home. This software uses UDP over TCP port 10000. Your VPN Client will use something along this line as well. So, you need to do one of two things here. Determine what Protocol and Port your VPN software uses. Login into you Router/Firewall and add that to your outbound allowed traffic. Or login into your Router/Firewall and configure it to allow all outbound traffic.
If you are not sure how to do this, the documentation that came with your Router should contain a Tech Support number to call. They can walk you through this in short order. Otherwise, post your EXACT make and model of your Router/Firewall and I will try to get the information for you.
you can download and use a free utility called Wireshark from
www.wireshark.org Make sure the PC with Wireshark on it is on the same
segment as your mail server or mail traffic. Sniffers are excellent
tools to get to know and use. Hope this helps. :)
The pix does not allow you to block urls except if you use it in conjunction with websense for example. You could however deny all outgoing traffic to port 80 except for the ip address of the websites you want to be able to access.
To do that you would setup an access-list allowing you internal network to access certain ips on port 80 and deny all other traffic outgoing.
Let me know if you need more information on how to accomplish this.
Port forwarding only applies when you have a router. You're on a PC with a direct link to internet. So... there must be a software firewall, like the one in windows? disable it. Try again... I'm not familiar with nokia 5310... does it create a lan connection? or is just like some other regular modem?! maybe your operator is blocking that kind of traffic.