Date: Wed, 26 Mar 2003 13:00:17 -0600 From: David J Duchscher <daved@nostrum.com> To: Terry Lambert <tlambert2@mindspring.com> Cc: stable@FreeBSD.ORG Subject: Re: Resolver Issues (non valid hostname characters) Message-ID: <2F60240B-5FBD-11D7-8B57-0003930B3DA4@nostrum.com> In-Reply-To: <3E816354.E5FDA886@mindspring.com>
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On Wednesday, March 26, 2003, at 02:22 AM, Terry Lambert wrote: > David J Duchscher wrote: >> On Tuesday, March 25, 2003, at 09:32 PM, Terry Lambert wrote: >>> Actually, anyone who took the original ISC code, or the FreeBSD code, >>> will end up having problems. Including AIX, Solaris, MacOS X. >> >> Unless they have modified the code which all the above OSes seem to >> have done since they do not show the behavior. > > I would like to see a program, with source code, that can > determine, with 100% accuracy, whether or not "_" is allowed, > and prints out either: > > This system supports _, in violation of RFC-952. > > Or: > > This system complies with RFC-952. > > Then I would like to see the output of this program run on the > systems, other than Linux, which you claim violate RFC-952. You > can include Linux, if you want, to, for comparison purposes. Since I don't believe I can create such a program to your specification, I guess you win. All I can say is that gethostbyname will return host names with underscore character on the those operating systems. >>>>> What is the first maxim of protocol design? >>>>> >>>>> "Be generous in what you accept, strict in what you generate". >>> >>> You apply the maxim to each interface, seperately. For example, >>> FreeBSD should not allow the configuration of host names with >>> "_" in them, but it should, perhaps, permit them to be looked up. >> >> I can agree with this statement. Unfortunately, FreeBSD doesn't do >> this >> in many ways. Example, you can set a hostname with a underscore in >> it. >> You can even use an underscore in the name in the host file and >> everything will work. You just can't look up the name via DNS. > > Sounds like you picked the wrong interfaces to want to have fixed. Yep. DaveD
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