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Port Forwarding, like classic home routers
Firewall Access Rules, like Sonicwall and other advanced security routers
The access rules do not seem to make any difference whereas the port forwarding rules allow the correct traffic. Anyone have experience with these? Are these 'either or', do they work in conjunction with one another? For now, we are simply ignoring the Firewall access rules, and the routers are functioning as we need them to.
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could you please be specific or simply post a screenshot of the configuration to clarify the issue?
Implementation depends on goals.
You can use both, or use none, or just use one. It all depends on your goal. They do not perform the same function though.
Port forwarding is like traffic warden, while the firewall is like a bouncer.
Example.
Traffic to public IP 172.32.16.100 on port 80, should be directed to the web server's local IP address eg 10.10.10.1
That is port forwarding. You are forwarding traffic to a device based on triggered ports.
Traffic to public IP 172.32.16.100 on port 3389, may be directed to the SQL server's local IP address eg 10.10.10.2 to remote desktop into it.
I may then filter which addresses I want to grant access to for the RDP. I can cay only allow traffic from 198.10.10.0/22 network going to 172.32.16.100 on port 3389 to be forwarded to the SQL's local address 10.10.10.2.
This way, I will apply bot static NAT rule and Firewall rule (or ACL) to accomplish that task
WAN -> LAN Block ALL
Then set port 80 forward to 10.x.x.3
The port 80 traffic is allowed. Does the port forward supercede the firewall on this unit?
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Routers
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A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.