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8.17. avahi
Updated avahi packages that fix several bugs are now available for Red Hat Enterprise Linux 6.
Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print to, and find shared files on other computers.
Bug Fixes
- BZ#768708, BZ#885849
- Previously, when the ARCOUNT field in the DNS Response Header contained a non-zero value, avahi-daemon performed a check and logged errors about invalid DNS packets being received. Note that a non-zero value of ARCOUNT is an indication of additional data sections in the DNS packet, but avahi-daemon does not interpret them. As a consequence, avahi-daemon was not sufficiently interoperable with other mDNS/DNS-SD implementations, and the automatic service discovery thus did not provide the user with the expected results on some platforms. Additionally, avahi-daemon logged inaccurate information which cluttered log files. The redundant check has been removed, and the described situation no longer occurs.
- BZ#1074028
- Previously, various options such as maximum count of cached resource records or numerous options related to handling of connected clients to the avahi-daemon could not be configured. As a consequence, in large networks, the avahi-daemon could reach the upper bound of some internal limits. In addition, the avahi-daemon was exhibiting erroneous behavior, such as logging error messages and failing to discover some services in large networks. To fix this bug, support for configuring various internal limits has been introduced with the following newly added options: cache-entries-max, clients-max, objects-per-client-max, entries-per-entry-group-max. For details about these options, see the avahi-daemon.conf(5) manual page.
Users of avahi are advised to upgrade to these updated packages, which fix these bugs. After installing the update, avahi-daemon will be restarted automatically.
