The file ns-example-com_rndc-key should not be made world readable for security reasons. Secret "LZ5m+L/HAmtc9rs9OU2RGstsg+Ud0TMXOT+C4rK7+YNUo3vNxKx/197o2Z80t6gA34AEaAf3F+hEodV4K+SWvA=" This substitutes the key in the file ns-example-com_rndc-key with the one in one of these two files. We get two files, one with an extension key and the other with a private extension. The footprint associated with the key is 53334. Length of 512 octets (multiple of 64 with a maximum length of 512 for the above algorithm)ĭnssec-keygen -a HMAC-MD5 -b 512 -n USER ns-example-com_rndc-key You can generate a new key with the following options:Īlgorithm HMAC-MD5 - identifies 157 (required for a TSIG signature and only algorithm supported by BIND)
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Thus, the DHCP server cannot update the domain if it loses this key. The purpose of this signature is to authenticate transactions with BIND.
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The package bind9 will be used for installation.Īnd then if you want to also install the documentation (very useful):Īfter installation, you might want to get familiar with some of the configuration files. The DHCP also provides the primary DNS server's address for our domain, and updates the host names for the zone so they can be associated with an ip address. It's on this that we are going to install the primary DNS server for our domain ( rfc2606) All the computers on the LAN are automatically assigned a single address by the DHCP service. The “sid” server (192.168.1.10) is connected to the xxxbox via its primary network card. Consequently, I consider the xxxbox like a primary server outside of our domain. In fact, these two latter servers will ever be referred to in the configuration because the xxxbox will be in charge of resolving names if the packet destination isn't known. You could always go and modify the host configuration for all the users, but that would be time consuming and inconvenient.ĭNS : Domain Name System or Domain Name Server The only thing that has to be changed is the DNS server configuration file. Now imagine that our network administrator decides for some reason or another to move the mail server to the machine 192.168.0.11. It's easy to remember that these two services are running on the same machine whose IP address is 192.168.0.1. For example, and, could both point to the primary server where the mail server and the business intranet reside, and the domain could be. As a result, it's even possible to associate multiple names to the same machine to update the different available services. Putting a DNS server on a network allows for the replacement of IP addresses of individual machines by a name.
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