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Update _index.md 

Make the port mapping table easier to read.
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BrettC5159 2023-10-11 15:09:33 -04:00 committed by GitHub
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@ -38,12 +38,12 @@ This creates a firewall rule in the host,
mapping a container port to a port on the Docker host to the outside world.
Here are some examples:
| Flag value | Description |
| ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| `-p 8080:80` | Map TCP port 80 in the container to port `8080` on the Docker host. |
| `-p 192.168.1.100:8080:80` | Map TCP port 80 in the container to port `8080` on the Docker host for connections to host IP `192.168.1.100`. |
| `-p 8080:80/udp` | Map UDP port 80 in the container to port `8080` on the Docker host. |
| `-p 8080:80/tcp -p 8080:80/udp` | Map TCP port 80 in the container to TCP port `8080` on the Docker host, and map UDP port 80 in the container to UDP port `8080` on the Docker host. |
| Flag value | Description |
| ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| `-p 8080:80` | Map port `8080` on the Docker host to TCP port `80` in the container. |
| `-p 192.168.1.100:8080:80` | Map port `8080` on the Docker host IP `192.168.1.100` to TCP port `80` in the container. |
| `-p 8080:80/udp` | Map port `8080` on the Docker host to UDP port `80` in the container. |
| `-p 8080:80/tcp -p 8080:80/udp` | Map TCP port `8080` on the Docker host to TCP port `80` in the container, and map UDP port `8080` on the Docker host to UDP port `80` in the container.|
> **Important**
>
@ -141,4 +141,4 @@ in the `docker run` reference documentation.
## Proxy server
If your container needs to use a proxy server, see
[Use a proxy server](proxy.md).
[Use a proxy server](proxy.md).