title: a port published without a protocol, and the listing
source: manuals/docker-sandboxes-101/capture/out/05-ports.txt
lang: console
note: Read the protocol column.
---
$ sbx ports m101-demo --publish 18081:8080
Published 127.0.0.1:18081 -> 8080/tcp4
[exit 0]

$ sbx ports m101-demo
HOST IP     HOST PORT   SANDBOX PORT   PROTOCOL
127.0.0.1   18081       8080           tcp4
[exit 0]
