Threads Replies Last Post 15 Pages: 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15   Block subnet from accessing DNS server I'm experiencing a potential DoS attack from a group of servers on a local subnet controlled by the UNIX group. These servers are requesting a lookup of the same addresses every 10 seconds and putting a considerable load on the Windows DNS servers. My request to have those servers pointed to the appropriate DNS server has fallen on deaf ears so I'd like to determine how to block them. I... 5 25.05.2007 12:28:41 Several local zones Hello, I have a windows server running AD & DNS on my LAN (192.168.1.0/24) - and everything works fine. Recently I have setup a VPN connection to another company so we can share each other LAN resources.. Their LAN is on 192.168.2.0/24 - and on IP level everything works fine. Now, I would like to add another zone to my DNS server for their LAN (let's call it companyabc.com) however, my ... 3 25.05.2007 11:12:30 Root Domain DCs OK. Here is my question: At our company there is an empty root domain. There are also 6 child domains and there are four major data centers across the globe. The question is "why the need for a root DC at each data center?". What AD dependencies require root domain DCs? What child domain activities require a referral to a root DC? FYI...we use a BIND DNS solution. I am guessing that i... 3 25.05.2007 03:53:37 Resolving DNS Names Hey I need some clarification pls correct me if im wrong. Heres the situation: I have a DSL connection at home, our ISP gave me 1 class C routable IP address, 2 class C DNS address and configure it on my XP Box. So with this kind of setup when i try to search for a website i am using our ISP's 2 DNS address that they gave mo to resolve the website and using the default gateway (the defaul... 14 25.05.2007 02:13:01 DNS Scavenging question Have a couple of questions regarding DNS scavenging. It is something I need to configure, but before I do so, have a few concerns and I am not sure if scavenging will effect any of these. 1. We use static IP addressing. Does that cause any problem? Do I need to make sure there are some additional items configured in TCP/IP properties? 2. Unfortunately, we do have some Windows 98 machine ... 9 24.05.2007 17:22:06 Need Help with Zones!! Hi All, I am trying to get host files from an existing zone to populate a newly created zone when they connect to their specific geographical site. Let me break it down as I am confused myself :o) We have DC's located at each geographical site housing all of the DNS records for the organization in one AD integrated zone called "ent.samson.org" this zone replicates to all of the DC's ... 2 24.05.2007 16:49:27 Changing static IP address does not update DNS We have PCs that change there IP address multiple times each week, but there DNS entries do not update when their IPs change. It used to work in the past, but for some reason it has stopped. We use static IPs and have a 2003 DC/DNS server with an active directory integrated zone and these machines are part of the domain. We have no idea what changes have been made that could have caused t... 10 24.05.2007 14:34:01 Event ID 14, 29 and 24 w32Time Hello Friends we are running windows 2003. We have two servers installed One is DC and another is ADC. DC is running AD integrated DNS and ADC working as Secondary DNS server. DC is also working as a time service provider but from last 2 weeks i am continously getting two warnnings and one error in ADC which is event ID 14, 24 and 29 Event ID 14: The time provider NtpClient was unabl... 2 24.05.2007 13:01:48 A Record for Webserver We like to be able to get to our website in two ways: using the FQDN for the host e.g., www.mydomain.com. We also like to be able to get to it by domain name only e.g., mydomain.com. In BIND we make the A Records like this: www IN A xxx.xxx.xxx.xxx @ IN A xxx.xxx.xxx.xxx I tried this in Windows DNS and it would nt accept th... 2 24.05.2007 12:49:52 Using DNS to disabls Does anyone know if this is possible using Windows 2003 DNS? If so, please be as specific as possible. I am trying to disable my users from using Windows Messenger at the server level, rather than go machine to machine... > We use DNS services from NetWare. I have set up 'fake' DNS entries for > gtwy.messenger.hotmail.com, messenger.hotmail.com and > gateway.messenger.hotmail.... 5 24.05.2007 05:02:06 Alternate Configuration and DNS Settings We are using Alternate Configuration on Window XP SP2 laptops as follows: when the user is in the office, they use a static IP address, and when they travel, they use DHCP. The computer automatically assigns the IP address, either a static one or via DHCP, depending on the environment. This prohibits the users from changing any of their network settings (they are not admins on their la... 1 23.05.2007 20:41:29 Fighting the dialup side effects Hi, What I have is a win2k3 server running the dns service and, from time to time, using a dial-up link to connect to a remote segment of our network (for an RDP session). Now, what happens, if I understand this right, is that whenever a dialup connection is established, it becomes the default connection (but the link is "Internetless"), so all Internet connectivity on the network dies. ... 5 23.05.2007 14:15:09 make money by visiting websites As the name implies, you make money by simply visiting websites for at least 30 seconds/visit. We will pay you $0.01 for each website you visit and $0.01 for each website your referrals visit. The best part is you can have an unlimited amount of referrals! visit: http://classifieds.byindia.com/detail.php?siteid=6135&cityid=168&show_still=1&citydetail=1 General details Sold by Josep... 1 23.05.2007 09:13:36 Simple DNS Scavenging question Something I have been reading out today. At my location, we use static IP for all of our workstations (long story and complex). Does it matter for scavenging if you use static or DHCP? I am more familiar with setting up on DHCP than static. Any caveats I need to be aware of? i was just going to set things to the default 7days - 7 days for now. We have LOTS of stale records that need... 3 23.05.2007 02:51:01 DNS Forwarder Hey guys in our network we have 3 servers 2 Windows domain servers (Main-172. 16.0.3 and Secondary-172.16.0.3) and 1 Linux-172.16.0.1 acting as a firewall. Our linux is installed with SQUID web proxy cache and all our clients browsers are using proxy server (172.16.0.1:80) default gateway:172.16.0.1 DNS:172.16.0.2,172.16.1.3. I have read about DNS forwarding and also want to implement it i... 3 23.05.2007 02:48:01 DnsAdmins have no Access to DNS Server Hello We have the following situation. 1 Server running Win2003 with Active Directory. A second Server, Running DHCP and DNS, this computer is member of the AD. There is no DNS running on the AD. Now on the AD Server I have the group DomainAdmins (Security-Group Domain: local). When I add a user to this group, and add him also to the local users of the DNS Server, he can connect to t... 2 22.05.2007 15:25:03 Fighting the dialup side effects Hi, What I have is a win2k3 server running the dns service and, from time to time, using a dial-up link to connect to a remote segment of our network (for an RDP session). Now, what happens, if I understand this right, is that whenever a dialup connection is established, it becomes the default connection (but the link is "Internetless"), so all Internet connectivity on the network dies. ... 2 22.05.2007 08:37:53 AD DNS expired We just added a 2003 R2 SP2 server to a Windows 2000 native AD domain. We ran the adprep off the CD2 disc and all ran without error; however, upon reboot after adding the 2003 server, the 2003 server is unable to replicate the DNS: >Event ID: 4001 >Description: The DNS server was unable to open zone domain name in the Active Directory. This DNS Server is configured to obtain and use i... 3 21.05.2007 21:30:35 Dynamic Updates not working for all systems about half of the servers in our organization are transient systems that are used for testing. By transient I mean systems that are rebuilt every couple of weeks to test new versions of our software. These systems are not part of our Active Directory domain. We have set up the primary domain to accept secure and insecure updates and have linked it to our DHCP server. Strangely about ... 1 21.05.2007 19:00:01 Microsoft Secure DNS and Authenticated Users group interdependencies Hi all, This is pretty long and winded post, but please bear with me. I would really appreciate anyone who considers themselves DNS experts to take a good look at this post. If I can get a concise answer or suggesting it would be GREATLY appreciated. I noticed a peculiarity while testing DNS in the lab. This looks like everything is working essentially as designed, but it's just VERY... 2 21.05.2007 15:31:31 I can't figure this one out, subdomains, delegating, etc windows 2003 server ok let me paint the picture, I have external contoso.com and internal domain is corp.contoso.com and then completley different across a vpn tunnel on another win2k3 dns server is mycompany.com for both external and internal. The mycompany.com dns works fine and can ping host1.corp.contoso.com by name. Question 1: how do I make it able to ping just host1 and know how to route it to that do... 4 21.05.2007 14:42:52 Exchange mail server address for mail forwarding For various reasons, I need to run both Outlook Express and Outlook on my computer. We recently added a Small Business Server mail exchange. I host my mail with Network Solutions and now I want to forward mail for certain users to to our Exchange Server. How do I determine what my "raw" domain email address is for the internal exchange server, in order words, what is the address i nee... 3 21.05.2007 14:36:24 Host (A) Records do not appear Hello, I have a Windows Server 2003 Server installed, AD, DNS, and DHCP Server. The clients are logging in perfect, howerver the only Host (A) records that appears in my Forward Lookup Zone is the server and 1 other domain controller. The cleints are not appearing under the Forward Lookup Zones, but the pointer records are appearing in the Reverse Lookup Zones. DHCP has Wins 44/46... 2 21.05.2007 13:01:27 Fwd Lookup Zone Design I'm looking over a 2003 forest that was set up by someone else and I found that the forward lookup zones are not configured the way I'm used to seeing them. I'm used to seeing a subdomain get configured within the parent domain. So, east.contoso.com would be created and configured within/under the contoso.com (parent) domain. like this: contoso.com east.contoso.com west.contoso.com Ho... 9 21.05.2007 12:04:36 Dynamic Updates forwarded in a DNS caching-only? We are running an Active Directory in a subsidiary under a delegated zone of the corporate namespace (ad.company.com). Our AD is made of 1 HUB with 2 DCs that has connectivity towards all remote sites, a bounch of big offices with one local DC and some small sites with no local DC. Users in small branches (less than 20 users per site) authenticate against the HUB DCs. No problems with au... 3 21.05.2007 01:10:02 15 Pages: 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15