![]() If you are certain that your BIND configuration is valid and that the DNS server is already running, do not click the Create button, as your nf file will be overwritten. This form is only shown if Webmin detects that the configuration file nf does not exist, or if the zone files directory that is specifies is non-existent. If you have never set up BIND on your system, when you enter the module for the first time the main page will display a form for setting up the DNS server, as shown below. This can be useful for creating zones that are only visible to systems on an internal network, even if your DNS server is connected to the Internet. Normally all clients see the same zones, but with BIND 9 you can restrict the visibility of some domains to only particular clients, identified by their IP addresses. A view is a set of zones that are visible to only some DNS clients. The most important one that is supported by this Webmin module is views. Versions 9 of BIND has some features that version 8 does not. ![]() However, very few systems have this kind of dynamic updating activated. This means that if you are running some other program that dynamically updates zones by communicating with BIND (such as a DHCP server), then this module should not be used as it may interfere with these changes. This Webmin module always updates all of these files directly, instead of by communicating with the running BIND process. The records in each zone are stored in separate files, usually found in the /var/named directory. īIND's primary configuration file is /etc/nf, which contains all of the zones that the server hosts, and global configuration settings that apply to all zones. If the module cannot find the DNS server, an error message will be displayed on the main page - if this happens, check your operating system CD or website for a BIND package, or download and compile the source from. Most versions of Unix and Linux include BIND 8 or 9 as a standard package, so it is rarely necessary to install it. The older version 4 has a different configuration file format, and can be configured using the BIND 4 DNS Server module, documented in a later section of this chapter.īecause BIND is available for almost all Unix systems and works identically regardless of operating system, the instructions in this chapter apply not just to Linux but to other versions of Unix as well. The BIND DNS Server module (found under the Servers category) supports the configuration of versions 8 and 9. Several versions have been released over the years, the most recent being version 9. 13 Setting up partial reverse delegationīIND (Berkeley Internet Name Domain) is the most common DNS server for Unix systems.11 Configuring forwarding and transfers.
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