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< QA

Main purpose of the Networking QA project is to check and improve IPv6 support in Fedora and concurrent usage of IPv4 and IPv6 protocols. Maintaining and improving existing IPv4 support is one of the secondary goals.

Contacts

Coordinators:

Contributors:

Potential contributors:

Objectives

Note: We are trying to define objectives of the project. Unfortunately we cannot add everything someone considers good or important but we rather have focus on things that we can actually do. Contact us if you're willing to help with some topic that you're interested in or that you consider neglected.

We would like to test, document and improve the following:

  • Automatic network configuration of a Fedora node
  • Proper dual-stack operation of client and server software in various environments
  • Check Fedora infrastructure and installation for IPv6 only operation


Overview

Packages to test:

How to prepare test environment:

How to test different types of packages:

Known issues:

New packages

There are new packages being added for networking and especially IPv6 testing and operations.

  • dhcpcd – provides a basic network configuration daemon for testing and comparison
  • netresolve – provides a library, testing tools and example implementations for some network software operations

Packages

Note: This section is informative only. It only includes assessment of packages based on experience and is not a result of extensive testing.

Packages working more or less well in IPv6 and dual-stack environments

Following packages play more or less well with IPv6. You can still expect minor issues including delays when configuration of one of the protocols doesn't work as expected. Those packages are still to be tested.

Network configuration:

  • dhcp – Dynamic host configuration protocol software
  • iproute – Advanced IP routing and network device configuration tools
  • NetworkManager – Network connection manager and user applications
  • dnssec-trigger – NetworkManager plugin to update/reconfigure DNSSEC resolving

Services:

  • bind – The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) server
  • dnsmasq – A lightweight DHCP/caching DNS server
  • httpd – Apache HTTP Server
  • openssh – An open source implementation of SSH protocol versions 1 and 2
  • postfix – Postfix Mail Transport Agent

Development:

  • git

Other:

  • curl – A utility for getting files from remote servers (FTP, HTTP, and others)
  • cyrus-imapd – A high-performance mail server with IMAP, POP3, NNTP and SIEVE support
  • c-ares – A library that performs asynchronous DNS operations
  • firefox – Mozilla Firefox Web browser
  • libssh2 – A library implementing the SSH2 protocol
  • iptables – Tools for managing Linux kernel packet filtering capabilities

Packages with severe issues in IPv6 and dual-stack environments

Core system:

  • avahi – Local network service discovery
    • IPv6 turned off by default
    • nss-mdns doesn't do IPv6LL due to glibc limitations
  • glibc – The GNU libc libraries

Core tools:

Development:

IPv4 only packages

Following packages do not need any IPv6 testing as they contain IPv4 specific tools.

  • arptables
  • arpwatch

Unqualified packages

Following packages weren't categorized yet but are considered important enough to be checked for IPv6 support. Please extend the list with other high visibility packages. You can add more important packages here.

Core system:

  • abrt – Automatic bug detection and reporting tool
  • anaconda – Graphical system installer
  • apr – Apache Portable Runtime library
  • busybox – Statically linked binary providing simplified versions of system commands
    • It would be useful to check network related commands
  • docker – Automates deployment of containerized applications
    • IPv6 in /etc/resolv.conf
    • IPv6 on bridged networks
  • dracut – Initramfs generator using udev
  • firewalld – A firewall daemon with D-BUS interface providing a dynamic firewall
  • glib2/glib-networking – Networking support for GLib
  • grub2 – Bootloader with support for Linux, Multiboot and more
  • systemd – A System and Service Manager
  • yum – RPM package installer/updater/manager

Services:

  • bird – routing daemon
  • cups – Common Unix Printing System
  • dovecot – Secure imap and pop3 server
  • openswan/libreswan/strongswan – IPSEC implementation with IKEv1 and IKEv2 keying protocols
  • quagga – Routing daemon
  • sendmail – A widely used Mail Transport Agent (MTA)

Development:

  • bzr – Friendly distributed version control system
  • cvs – Concurrent Versions System
  • gdb – A GNU source-level debugger for C, C++, Fortran and other languages
  • mercurial – Mercurial – a distributed SCM

Other:

  • apr-util – Apache Portable Runtime Utility library
    • various networking tools including ping
  • gvfs – Backends for the gio framework in GLib
  • ipxe – A network boot loader
  • iptstate – A top-like display of IP Tables state table entries
  • ldns – Low–level DNS(SEC) library with API
  • lftp – A sophisticated file transfer program
  • libevent
  • libvirt – Library providing a simple virtualization API
  • net-tools – Basic networking tools
  • nmap – Network exploration tool and security scanner
  • nss-myhostname – glibc plugin for local system host name resolution
  • nss – Network Security Services
  • postgresql – PostgreSQL client programs
  • rsync – A program for synchronizing files over a network
  • squid – The Squid proxy caching server
  • sssd – System Security Services Daemon
  • syslinux – Simple kernel loader which boots from a FAT filesystem
  • tcpdump – A network traffic monitoring tool
  • telnet – The client program for the Telnet remote login protocol
  • traceroute – Traces the route taken by packets over an IPv4/IPv6 network
  • vinagre – VNC client for GNOME
  • vino – A remote desktop system for GNOME
  • virt-manager – Virtual Machine Manager
  • virt-viewer – Virtual Machine Viewer
  • wireshark – Network traffic analyzer
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