dhcp ddns nubie

per engelbrecht per at xterm.dk
Fri Nov 18 17:52:41 UTC 2005

/dev/rob0 wrote:
>>godfather55v wrote:
>>>We have been running a novell dns dhcp forever.  I want to get away
>>>from that and would like to possibly go ddns, if not full ddns at
>>>least get a way from a canned novell, or microsoft solution.  So
>>>where do i start?
> Reading manuals, learning protocols, that's where I started. Set up a 
> BIND server, set up a dhcpd, follow the instructions. DDNS is not 
> difficult. Most things Unix are like that: if you understand what is 
> being done, the implementation is easy.
> Your BIND server should have an in-addr.arpa. zone for the network 
> you're using. If it's RFC 1918 space, no problem, be authoritative for 
> as much of that as you wish. That zone and your forward zone(s) you 
> plan to use need to have "allow-update" directives. If the DNS master 
> is also the DHCP server this is trivial.
> Some things to consider:
>    You cannot edit a dynamic zone file. Plan to let named manage it. 
> Become familiar with nsupdate(8).
>    If you're going to use a real Internet domain name and RFC 1918 
> addresses, you should use BIND views to prevent publishing your 
> internal DNS on the Internet. I recommend making up your own TLD, such 
> as .local or .lan, for RFC 1918 DDNS.
>>>Is linux the only way to go?  Is there ports of 
>>>dns,dhcp,and bind for windows, or netware.
> And you checked the isc.org site, and you saw ... ?
>>>I'm not overly fluent in linux, or is it simple enough to the
>>>point that i don't have to be?
> I doubt that these require great Unix sysadmin skills, but it surely 
> helps. I first set up DDNS when I was already pretty strong in basics 
> of shell and system management, so I cannot say from experience.
> On Friday 2005-November-18 03:09, per engelbrecht wrote:
>>No Linux is not the only way!
> This is absolutely true.
>>If you're going the OSS (Open Source Software) way for a DDNS/DHCP
>>solution and you're not "overly" fluent on Linux, then you'll have
>>some basic skills to learn anyway and then I would recommend BSD. No,
> I don't know about this. Linux tends to be "easier" in some ways, or 
> that is what I have heard. Linux meets my needs so I have never 
> bothered to branch out into *BSD land.
>>I don't want to start a ridiculous flame-war but I've run public
>>nameservers the last 6 years on both Linux, FreeBSD and OpenBSD
>>(currently both FreeBSD and OpenBSD ) and the BSD's have proven
>>themself time and again as ultra fast and rock-steady and yes, you
>>have all the tools you need for any situation. You have the same
>>tools with Linux, but I've always had small problems with Linux. Not
>>big ones, just annoying small ones. Linux is work, work and work.
> This is completely subjective. Sounds to me like this poster began in 
> Linux and had problems due to lack of experience. Then he gained the 
> requisite experience in *BSD, lo and behold, things work. A competent 
> Linux admin will have no trouble with DHCP and BIND.

I've used *BSD since 1995 and Linux since 1997 - and I'm not going to 
take your (rather condescending) bait, sorry.
I gave the best advice I could from what I've experienced.

I work in a pure *NIX environment (~220 pcs. of Linux/BSD servers) and I 
can asure you that the *BSD servers are NOT the one's that take my time.
Is Linux bad ? .. no, but for nameservers they've not served me well.
Do I 'dislike' Linux ? .. no, I actually like Slackware. End of story.

> The one thing I will say is that the *BSD user communities tend to be 
> more clueful. In GNU/Linux you have millions and millions of clueless 
> Windows refugees, and in user forums you often see the blind leading 
> the blind. I have heard that *BSD is not as much like that.
> Some GNU/Linux distros are less conducive to learning. They try to do 
> more for the user and thus shield the user from what is being done. 
> Perhaps this poster's Linux experience was in something like SuSE, 
> RH/Fedora/CentOS or Mandr(ake|iva).
>>On top of that the BSD's (not sure about NetBSD, but they're bright
>>guys so I expect it to be the same) has BIND "preconfigured". Most
>>often you only need to add zones and then start the daemon and
> Preconfigured for DDNS? The distributor would have to know what zones 
> you would be serving. The best they could do is to include sample 
> named.conf and dhcpd.conf files.

No, I was refering to DNS/BIND in particular. For someone "new" to BIND 
the OOS way, the benefit of having a working system easy and fast (to 
build more services on) are important.

Nice weekend to your all.

per at xterm.dk

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