On Saturday, January 22, 2022 9:08:02 PM EST David Wright wrote: > On Sat 22 Jan 2022 at 19:07:35 (-0500), The Wanderer wrote: > > On 2022-01-22 at 18:38, gene heskett wrote: > > <snip> > > > > > hosts: files mdns4_minimal [NOTFOUND=return] dns > > > > This is the line which contains the directives involved. > > > > The 'files' directive tells your system to check local files first; > > the list of files involved is in the FILES section near the end of > > 'man nsswitch.conf', and /etc/hosts is in that list. > > > > The 'mdns4_minimal' directive tells your system to check "multicast > > DNS" first; I'm not familiar with the details of this, but Google > > should be helpful. The [NOTFOUND=return] tag says - I think - that > > if this check returns a report that the lookup was successful but > > that no match was found, the system should return that result and > > stop checking. > > > > The 'dns' directive tells your system to check the DNS system proper. > > Given that this is after the [NOTFOUND=return] tag, as far as I can > > see this should never be reached, but I presume it's there for a > > reason; my best guess is that mDNS will usually not be available, so > > the check will return UNAVAIL, which (per the man page) will by > > default tell the system to continue to the next check (which is this > > one). > > Rather than its not being available, it shouldn't even try with mDNS > unless the name ends in .local, so it will skip to dns. > > This is what catches people out when they think that .local is a good > choice for some random LAN, rather than one from the recommended list: > .corp, .home or .mail. > You're changing the subject again.
AFAIK, the only .local is in the users directory, as a subdir. Exactly NONE of my hostnames contain a .local postfix. > Cheers, > David. > > . Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>
