Managing an IP address change – part 2 It was almost a month ago that I started changing the IP address of The FreeBSD Diary web server. When I first mentioned to someone that I was going to write an article about this process, they wondered: why, all it takes is an ifconfig, what is […]
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Managing an IP address change Have you ever changed the IP address of your computer? For those of you with a dynamic IP address, such changes are transparent. You don’t see it. Hopefully that’s what will happen when we change the IP address of the server which hosts this website. It should just happen and
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installing bind8 from ports Over the past two months, there have been two security issues regarding bind. If you didn’t upgrade for the first notice, then the recent worm threat should have prompted you to get moving. Back in January, when the initial bind security notice was issued, some talk was made of how best
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Secondary name servers – how to be a backup DNS for someone else This topic was incomplete for far too long. My apologies. I finished it on 7 July 1999. In this article, references to a "zone" are often made. In simple terms, you can think of a zone as a domain. In practice, a
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What version of bind are you running? If you are running a name server, chances are it’s bind (Berkeley Internet Name Domain) which implements the Domain Name System (DNS) protocols. Normally, the executable is called named. For more information on bind, see the bind home page at http://www.isc.org/products/BIND/. I found this little gem whilst
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Returned mail: Data format error (Sender domain must exist) This article deals with an obscure error message I received when I encountered mail which was being rejected because of a "Sender domain does not exist" problem. The example Here is the message which bounced back to me. Certain bits have been changed to protect the
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Upgrade your DNS server – bind8 security issues This article shows how I upgraded bind8. Now that bind8 is included in the base installation of FreeBSD, this article may not be the best way to upgrade. Instead, I recommend that you read installing bind8 from ports. WARNING: The rest of this article should be
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Dynamic DNS problems prompt move to cucipop This article documents the problems I was having with qpopper today. To be fair, this isn’t actually a qpopper problem; it was performing as advertised. It was actually a dynamic DNS problem which affect qpopper preformance. see also: DNS – the dynamic way, installing qpopper (a POP server),
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Adding a new domain – a simple example This article describes how I added a new domain, langille.org, to my DNS. This article is not comprehensive. I know there are gaps which may confuse people who are new to DNS. Please try Getting local names to resolve (DNS) first. The zone files When you register
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Dynamic DNS – detecting and updating This article describes some scripts which allow my machine to detect a change in IP address and update the DNS tables automatically. I thank the following people for their help in developing these scripts: Harold Jarvie – for developing the original script. Burke Gallagher – for converting the script
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