Hostname Naming Compliance
Chris Buxton
cbuxton at menandmice.com
Mon Feb 23 18:44:18 UTC 2009
On Feb 23, 2009, at 10:19 AM, Eric C. Davis wrote:
> Are there plans for Bind to enforce hostname compliance according to
> RFC's or is this going to be left up to each DNS operator?
It's present in BIND 9.3 and later. All characters except a-z, A-Z,
0-9, and "-" itself are forbidden to appear in the labels of any
domain name that is to be treated as a hostname. That is, any name
that has an A or AAAA record, or that appears in the RData of an NS,
MX, or SRV record (if I'm not mistaken).
This can be disabled with:
options {
check-names master warn; # or fail
};
or:
zone "some.name" {
check-names warn; # or fail
};
Chris Buxton
Professional Services
Men & Mice
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