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DoTheEvo
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)
# How NAT / firewall works
# How Router's NAT works
* By default, it **allows outgoing** communication on any port.
* But **drops incoming** traffic unless it is a response to communication
* **Allows outgoing** traffic on any port.
* **Drops incoming** traffic unless it is a response to communication
initialized from the inside.
This is not really some security effort, the router just literally has no idea
where to send it...
<details>
<summary><b>More details</b></summary>
<summary><b>More unnecessary details</b></summary>
NAT is implemented in your router.<br>
It makes your **LAN side** devices able to connect with the