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Published on February 5th, 2016 📆 | 4719 Views ⚑

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Whatportis — Command To Search Port Names And Numbers

iSpeech.org

It often happens that we need to find the default port number for a specific service, or what service is listening on a given port.

Usage

This tool allows you to find what port is associated with a service :

$ whatportis redis
+-------+------+----------+---------------------------------------+
| Name  | Port | Protocol | Description                           |
+-------+------+----------+---------------------------------------+
| redis | 6379 |   tcp    | An advanced key-value cache and store |
+-------+------+----------+---------------------------------------+

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Or, conversely, what service is associated with a port number :

$ whatportis 5432
+------------+------+----------+---------------------+
| Name       | Port | Protocol | Description         |
+------------+------+----------+---------------------+
| postgresql | 5432 |   tcp    | PostgreSQL Database |
| postgresql | 5432 |   udp    | PostgreSQL Database |
+------------+------+----------+---------------------+

Installation

$ pip install whatportis

Notes

You can search a pattern without knowing the exact name by adding the --like option :

$ whatportis mysql --like
+----------------+-------+----------+-----------------------------------+
| Name           |  Port | Protocol | Description                       |
+----------------+-------+----------+-----------------------------------+
| mysql-cluster  |  1186 |   tcp    | MySQL Cluster Manager             |
| mysql-cluster  |  1186 |   udp    | MySQL Cluster Manager             |
| mysql-cm-agent |  1862 |   tcp    | MySQL Cluster Manager Agent       |
| mysql-cm-agent |  1862 |   udp    | MySQL Cluster Manager Agent       |
| mysql-im       |  2273 |   tcp    | MySQL Instance Manager            |
| mysql-im       |  2273 |   udp    | MySQL Instance Manager            |
| mysql          |  3306 |   tcp    | MySQL                             |
| mysql          |  3306 |   udp    | MySQL                             |
| mysql-proxy    |  6446 |   tcp    | MySQL Proxy                       |
| mysql-proxy    |  6446 |   udp    | MySQL Proxy                       |
| mysqlx         | 33060 |   tcp    | MySQL Database Extended Interface |
+----------------+-------+----------+-----------------------------------+

"Why not use grep <port> /etc/services" ? Simply because I want a portable command that display the output in a nice format (a pretty table).

The tool uses the Iana.org website to get the official list of ports. A private script has been created to fetch regularly the website and update the ports.db file. For this reason, an update command will be created in a future version.
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