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DoTheEvo committed 2024-06-01 12:55:08 +02:00
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network-knowledge-base/port_forwarding.md
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@@ -11,17 +11,17 @@ Can be choosen at random, can be hard set.
![pic_port_header](https://i.imgur.com/TM0pOQN.png) ![pic_port_header](https://i.imgur.com/TM0pOQN.png)
# How NAT / firewall works # How Router's NAT works
* By default, it **allows outgoing** communication on any port. * **Allows outgoing** traffic on any port.
* But **drops incoming** traffic unless it is a response to communication * **Drops incoming** traffic unless it is a response to communication
initialized from the inside. initialized from the inside.
This is not really some security effort, the router just literally has no idea This is not really some security effort, the router just literally has no idea
where to send it... where to send it...
<details> <details>
<summary><b>More details</b></summary> <summary><b>More unnecessary details</b></summary>
NAT is implemented in your router.<br> NAT is implemented in your router.<br>
It makes your **LAN side** devices able to connect with the It makes your **LAN side** devices able to connect with the