January 2005
Intermediate to advanced
544 pages
23h 44m
English
Content preview from Linux Server Security, Second Edition
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Chapter 6: Securing Domain Name Services (DNS)
C Transfers zone data for www.example2.com to a secondary nameserver like
BIND. axfrdns may send a notify request to the secondary to encourage it to
request the data now rather than waiting for an expiration time.
D Transfers zone data for www.example3.com from a primary nameserver like
BIND. The data is saved to a local file in tinydns-data format but is not automati-
cally merged with the main datafile used by functions A or B.
Note that there is no connection between dnscache and any of these.
Installing djbdns
Once you’ve decided which role or roles your djbdns nameserver is to fill, you can
install the appropriate packages. All djbdns installations have certain packages in
common.
Installing the service manager: daemontools
The standard installation of djbdns requires daemontools to be installed first. These
utilities start the djbdns servers and keep them running. Why another set of tools?
These also were written in response to bugs and inconsistencies in popular Unix
utilities like syslogd and inetd. The daemontools are simple to install and very reli-
able, so try them and see how you like them. Although there are RPMs from various
sources, installing from source is recommended and well documented. Here’s how:
1. Using wget (or ...
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