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DNS Autoregistration: Can be too Much of a Good thing
For really some time, Microsoft’s operating systems have been set by default to register a machine’s IP addresses to the assigned DNS zone by oversight:
While this can be very convenient, it can also lead to some big problems particularly with some of the Office Communications Server roles. It will probably lead to all manner of problems and it’s not easy to find the cause!
The problems show up on the Office Communications Server roles that use more than one IP talk: the Mediation Server and the Edge Server. The Best Practice on the Mediation server is to install two network interface boards with distinctive IP addresses on each one. It also specifies that these addresses should be on separate subnets. For the Edge, the Best Practice is to initiate 4 network interface cards with individual IPs. OK, before you start letting me have it, this is Best Practice and I’m not getting into a discussion about straying from Greatest Practice regarding network cards and IP addresses etc. on these boxes. The bottom line is when using more than 1 IP address on either of these roles the DNS autoregistration will journal all the IP addresses. You will end up with several (1 for each IP on the box) “A” records in the DNS zone with the same hostname but different IP addresses.
As an analogy, imagine of this as being a dynamic rather than static DNS address. Would you ever give a server device a dynamic TCP/IP address? Not likely! I use the same analysis when I am installing OCS servers. I always disable the autoregistration on the Mediation and Edge servers and usually do so on the other OCS roles as well. I like my servers to have trouble IP addresses and static DNS entries! ...
Backtrack 3 Final: network manager script for eth0
If you are using Backtrack 3 Definitive, you have probably noticed that there was no "Network Manager" to simply set your LAN card to connect to a LAN ...
Windows Home Server #18
I've firm again to start using more wireless network cards. I've ordered a DVD burner and Wireless Network card for my Microfly computer.
Why does an Ubuntu LTSP server need 2 network cards?
I've been reading about site up an Ubuntu Linux Thin Client network in my high-school,and I have read everywhere that on installation, "the server shall industry out of the box if 2 network cards are installed,otherwise the instruction to set it up will appear on screen."
My question is - why does it need 2 network cards to run out-of-the-box,and if there is only one,it needs additional setup?
I don't be familiar with what youve seen but you shouldn't need two nics to connect a thin client up to a server especially if your using a router
Prey RantLulzSec have struck again with the hacking of Bethesda, Bethesda resulting in encouraging users to reser their passwords following a moth-eaten on their servers. In their latest blog post they advise that no personal financial information or credit index card data Bethesda servers hacked, accounts may be compromisedall 243 news articles »
ABC NewsBut that was trivial compared to the security breach that took place between April 17 and 19 that allowed still unnamed hackers to make out a head for off with the personal data of more than 100 million customers of Sony's PlayStation Network, Qriocity spectacular Sony Hacked Again, Group ClaimsSony Targeted With New Hack AttackSony and the cyber hackers - -all 1,471 expos articles »
