Crate portls 

ports

Modern cross-platform port inspector. A clean replacement for ss, netstat, and lsof.

Features

• List listening ports (TCP/UDP, IPv4/IPv6)
• Show established connections
• Filter by port number, process name, or protocol
• Kill processes by port or name
• Interactive selection mode
• Watch mode with live updates
• JSON output for scripting
• Shell completions (bash, zsh, fish)

Platform Support

• Linux: Native /proc/net parsing for TCP, TCP6, UDP, UDP6
• macOS: Uses lsof for connections, listeners crate for listening ports
• Others: Generic fallback via listeners crate

Re-exports

pub use cli::Cli;

Modules

ancestry

Process ancestry and source detection (“why is this running?”).

cli

commands

docker

Docker container integration for mapping ports to containers.

history

Port usage history tracking

interactive

output

platform

Platform-specific port enumeration.

top

Interactive real-time port viewer (htop-style), built on ratatui.

types

Core data types for port information.

watch

Functions

run