Yo Hal! On Tue, 05 Jun 2018 14:56:18 -0700 Hal Murray <hmur...@megapathdsl.net> wrote:
> Gary said:
> > But in the case of ntp.conf, the 'interface' is taking IPv4
> > addresses, IPv6 addresses, and hostnames. So the ntp.conf
> > 'interface' has nothing at all like an interface. It is an
> > address.
>
> Are you sure about that?
Nope. And, I was sure, but wrong, before.
The man page does say:
In these commands, an address can be any of (a) an IPV4 address in
a.b.c.d format, (b) an IPV6 address in [a:b:c:d:e:f:g] format, (c) a
link-local IPV6 address with an interface specified in
^^^^^^^^^
[a:b:c:d:e:f:g]%device format, or (d) a DNS hostname.
But on re-re-reading it, that 'interface' is not the same as 'interface'.
Good grief...
> I think that "name" in that context refers to an interface name
> rather than a host name.
Another part of the man page agrees with you:
interface [listen | ignore | drop] [all | ipv4 | ipv6 | wildcard | name
| address[/prefixlen]]
[...]
That parameter specifies a class of addresses, or a specific
interface name, or an address.
So it can do either address[/prefix] or the name of an interface.
More weird....
> I poked around a bit and found:
> const char * if_name, /* interface name or
> numeric address */
That would match the more specific part of the man page. And makes it
even more confusing. One keyword for two very different things.
RGDS
GARY
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