#### Linux From Scratch - Version 12.3-systemd

### Chapter 8. Installing Basic System Software

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# 8.4. Iana-Etc-20250123

The Iana-Etc package provides data for network services and protocols.

Approximate build time: less than 0.1 SBU
Required disk space: 4.8 MB

## 8.4.1. Installation of Iana-Etc

For this package, we only need to copy the files into place:

    cp services protocols /etc

## 8.4.2. Contents of Iana-Etc

Installed files: /etc/protocols and /etc/services

### Short Descriptions

`/etc/protocols` | Describes the various DARPA Internet protocols that are available from the TCP/IP subsystem
`/etc/services` | Provides a mapping between friendly textual names for internet services, and their underlying assigned port numbers and protocol types

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