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--- port_forwarding [06/17/2023 12:14] – crowetic
+++ port_forwarding [06/17/2023 12:33] (current) – cleaned up, made much simpler crowetic
@@ Line 7: / Line 7: @@
 ===== Single or Multiple nodes With uPnP Enabled=====
-**Option 1:** In this case, you only have ONE device that is acting as a blockchain node for Qortal AND your router has uPnP enabled. The default settings that your node will have comes with uPnP enabled - uPnP is a feature that most common routers provide by default. If you are unsure, ask your service provider. With uPnP enabled in the router, and only ONE node running on your home network, you do NOT need to configure anything further on this guide.
+**Option 1:** If you have only ONE node, and your router has **uPnP enabled**, you will not need to do anything, your single node will simply start obtaining incoming connections.
-If you ARE going to use uPnP, **you can have MULTIPLE nodes** on the same LAN obtaining incoming connections **via uPnP** by simply modifying a SINGLE setting in **settings.json**:
+If you ARE going to use uPnP, **you can have MULTIPLE nodes** on the same LAN obtaining incoming connections **via uPnP** by simply modifying a SINGLE setting in **settings.json** for your SECOND node and HIGHER:
-<code>
+Simply edit **settings.json** for the nodes ASIDE FROM THE FIRST NODE, and change the listenPort for the subsequent nodes, below is an example for the second node on the LAN.
-{
-"listenPort": 22392
-}
-</code>
-The above settings would be fine for your SECOND node, you do not need to do anything for the FIRST node, as it will run on the default port 12392. Any SUBSEQUENT node you will need to add ONLY the above setting in settings.json, with a DIFFERENT port for each subequent node. **note - if you are on WINDOWS the settings.json you will modify is located in **%localappdata%\Qortal** folder.
-**Option 2:** If your router does NOT offer uPNP, you will need to configure port forwarding (on your router) AND disable the default uPnP in your settings.json (on your node):
-) Stop the core on your node by opening the command terminal and entering:
-<code>cd qortal && ./stop.sh</code>
-) Login to your router and set the IP address of the node to "STATIC" or "Reserve IP Address" or whatever verbiage your router uses for this setting. This will prevent the node’s IP address from changing and affecting all of this configuration.
-) In your router, configure port forwarding for this device:
-Inbound: 12392 (sometimes ‘inbound’ is titled ‘internal’)
-Outbound 12392 (sometimes ‘outbound’ is titled ‘external’)
-Protocol: TCP
+<code>{
+"listenPort": 22392
+}</code>
-===== More Than One Node On Your Home Network (no uPnP)=====
+=====Networks Without uPnP=====
+On networks that do NOT have uPnP available, you will need to **enable port forwarding and static assignment** to obtain incoming connections. Doing this will be DIFFERENT on any given router. You will need to obtain instructions for your router from an internet search as far as the terminology and specific settings that you will need.
-If you have more than one node on your network, then you’ll want to:
+We will provide **basic overall instructions** here for understanding.
-  * Set a static IP address for each node in the router.
-  * Configure port forwarding in the router for each node.
-) Set the IP address of each node to STATIC. This will prevent the node’s IP address from changing and affecting all of this configuration.
+. Setup **static assignment** for each node machine on your LAN. - Static assignment ensures that the machine will obtain the **same LAN IP address** every time, from your router. (Some routers give static assignment other names, most of the time it will be located under **DHCP settings**.)
-) Set port forwarding for each node as shown in the following. Internal and external for each node will be unique and NOT match the other nodes:
+. Establish a **port forwarding (or DNAT) entry** in your router, for each of your statically assigned node machines, changing the **external port** of each.
-**Node 1** Internal: 12392 External: 12392
+**You do NOT need to modify any further settings on your NODE**, simply add new entries for each node machine with a **DIFFERENT EXTERNAL PORT**. See below for an overall idea...
-**Node 2** Internal: 12392 External: 12393
+**Node 1** - Internal port: 12392, external port: 12392
-**Node 3** Internal: 12392 External: 12394
+**Node 2** - Internal port: 12392, external port: 22392
-**Node 4** Internal: 12392 External: 12395
+**Node 3** - Internal port: 12392, external port: 32392
-etc.
+etc... You can use ANY port you like for the different external port, as long as it **doesn't go over 65535** as that is the MAX port in the tcpv4 port range. Once you HAVE set different external ports for each, you can **check your external IP address** with a service like https://whatismyipaddress.com (look for ipv4 address there) and you will know what the peer address for Qortal will be for each of your nodes, with your external IP and whatever external port you set for each node.
-(Just change the last digit in each number ONLY for the EXTERNAL port. You can leave everything else on defaults.)
+**All that needs to change is the EXTERNAL port**, port forwarding will allow you to forward to the **SAME internal port on DIFFERENT IPs, this way no modifications of Qortal settings are required.**

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