Forward port 80 and 443 from WAN to container

LXD
2

Hi!

Here are the commands to run on the host. You only need the name of the container to perform the setup. In my example I’ll use mycontainer.

lxc config device add mycontainer myport80 proxy listen=tcp:0.0.0.0:80 connect=tcp:127.0.0.1:80

lxc config device add mycontainer myport443 proxy listen=tcp:0.0.0.0:443 connect=tcp:127.0.0.1:443

What we do here is:

  1. We add a proxy device on container mycontainer, giving it an arbitrary name (myport80).
  2. We set it up to listen on all (0.0.0.0) network interfaces on the host, port 80. You can change the IP address to something more specific, if you want to.
  3. We set it up to make connections to the container mycontainer on the 127.0.0.1 (localhost) interface at port 80. PREVIOUS GUIDES SUGGESTED TO USE localhost. DOES NOT WORK ANYMORE; PLEASE USE 127.0.0.1 INSTEAD!

To verify that LXD is listening on port 80 (http), run

$ sudo lsof -i -n | grep http
lxd       2157            root    5u  IPv6 668213      0t0  TCP *:http (LISTEN)
lxd       2157            root    8u  IPv6 668213      0t0  TCP *:http (LISTEN)

To remove a proxy device, run

lxc config device remove mycontainer myport80
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