docker
/
docs
mirror of https://github.com/docker/docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

engine: clarify localhost ports access on local networks 

Ports published on the localhost IP are still accessible
by other systems connected to the same local network.

Signed-off-by: David Karlsson <david.karlsson@docker.com>
This commit is contained in:
David Karlsson 2023-06-01 10:35:52 +02:00
parent 75962c0acd
commit 18f88f0feb
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
network/index.md
View File

@ -51,12 +51,20 @@ Here are some examples:
> a container's ports it becomes available not only to the Docker host, but to > a container's ports it becomes available not only to the Docker host, but to
> the outside world as well. > the outside world as well.
> >
> To publish a container's port and only expose it to the Docker host, include > If you include the localhost IP address (`127.0.0.1`) with the publish flag,
> the localhost IP address (`127.0.0.1`) in the port mapping command. > only the Docker host can the published container port.
> >
> ```console > ```console
> $ docker run -p 127.0.0.1:8080:80 nginx > $ docker run -p 127.0.0.1:8080:80 nginx
> ``` > ```
>
> > **Warning**
> >
> > Hosts within the same L2 segment (for example, hosts connected to the same
> > network switch) can reach ports published to localhost.
> > For more information, see
> > [moby/moby#45610](https://github.com/moby/moby/issues/45610)
> {: .warning }
{: .important } {: .important }
If you want to make a container accessible to other containers, If you want to make a container accessible to other containers,