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-1
votes
0answers
9 views

Redirection user to fake page on accessing captive portal [on hold]

How can I redirect user to other page (say 0.0.0.0) whenever he tries to access captive portal(10.20.1.1:8090) over college WiFi.
5
votes
1answer
65 views

Windows 2012 DNS server phase out

I've got a network with 3 AD servers that also run the DNS service. We've got a project on to migrate from Windows DNS to a new turnkey DDI solution. I'm going through everything I can think of ...
0
votes
0answers
35 views

DHCP Server Dynamically Updating DNS on Other Server (Both Windows 2012 R2, No AD)

We have had a single Windows Server 2012 R2 server (with no Active Directory) running DNS and DHCP for our main network for a good few months with dynamic DNS updates from DHCP working fine. We have ...
0
votes
0answers
21 views

Best way to limit size of named.stats file - RHEL 6.7/BIND 9

We have a RHEL 6.7 server running Bind 9.8.2. The statistics dump file is growing extremely large and bind, at least this version of bind, does not allow or have a directive to limit the size of the ...
0
votes
1answer
26 views

DNS lookup works locally but won't go online

I had registered amraei.com 2 years ago. Recently hired a VPS and setup a DNS server using BIND to host it on my own server. I installed Webmin and setup BIND 9 on CentOS 7. As the setup finished, ...
0
votes
0answers
27 views

Clinet-side solutions to prevent DNS amplification without rate limiting on an open DNS server? [duplicate]

Are there alternative ways to operate an open/forwarding DNS server, without having to use rate limiting or other means of traffic inspection to prevent being used for DNS amplification attacks? ...
1
vote
3answers
910 views

Can't Remote Desktop To Windows Server 2012 R2

I have just demoted our Windows Server 2012 Domain Controller. Removed all services, and then did a fresh install of Windows Server 2012 R2. I gave the server the same IP address and host name that it ...
0
votes
1answer
111 views

What are the implications of using a default DROP rule on a public DNS server

RHEL 6.6 authoritative DNS server. Right now in IPtables I have the INPUT chain defaulting to ACCEPT. :INPUT ACCEPT [0:0] I have been having some issues with it being attacked lately and I am just ...
0
votes
1answer
31 views

Does TSIG and DNSSEC provide encryption of entire DNS packet?

it says TSIG and DNSSEC provide authentication. Does it mean whole DNS traffic would be encrypted so if I do packet capturing I would not be able to parse anything ? Or DNS data is still plain text ...
1
vote
4answers
76 views

Localhost or real hostname (real IP)

Lets suppose that I need to send data from one services to other on the same host. For this I can use localhost:port or real.domain.name:port (lets think that it cached or can be resolved by local ...
0
votes
0answers
29 views

DNS server help not found in powershell?

I have run Update-Help on my Server Core 2012R2 machine, but when I run get-help on any cmdlets from the DNS server, it says it cannot find the help files on the computer and suggests running ...
0
votes
1answer
46 views

What should be my DNS settings?

I have a samba server and it is on the same network as the clients which I want to connect to the servers domain. The problem is that it doesn't seem to see the server. I can access its web server ...
-1
votes
1answer
54 views

AD and DHCP in one server and have 2 diffrent network

I have two lans every one should use individual internet line : First is 10.10.10.0 255.255.254.0 topology: router connected to switches and have one sever connected to same switches server act ...
0
votes
1answer
324 views

DNS configuration Windows Server 2012 R2

First of all I would like to say that my background is software development, saying that, I'm trying to help a friend set-up a small network in is office company. I have a windows server 2012 r2 that ...
1
vote
1answer
73 views

Is it possible for a Windows server to have 2 (or possibly more) network names (or aliases)?

I have a temporary need to consolidate 2 currently separate servers onto a single machine. I am considering using VMs, but it would be far less work if I could just have 2 different server names point ...
1
vote
1answer
126 views

Public domains and hosts resolving to 127.0.0.1

Our security systems are going crazy alerting us that hundreds of external DNS queries and responses are resolving to addresses like 127.0.0.1 and sometimes 0.0.0.0 to requests originating from our ...
-1
votes
2answers
33 views

Can a DNS server (specified by its IP address) be spoofed?

When a DNS server is specified (in my case in OS X, in the Network Preferences), can it be spoofed (for instance by an organization with the power of a government)? I am asking the question because ...
0
votes
2answers
1k views

Setup Azure VM - Connect to internet

I'm basically a total novice in the area of VPN's and DNS servers. I have an Azure VM which I have created and I need to connect it to the internet, and googling sends me to pages where peoples ...
1
vote
1answer
2k views

Missing SRV record at DNS server

Server 2008R2. 2003 functional level. One of my branch DCs, which we will call BranchDC1, is not registering SRV records in example.com/_msdcs/gc/_sites/_tcp. The DC is marked as a Global Catalog in ...
-1
votes
2answers
7k views

unable to start the bind dns service in linux

observed following errors when try to start the dns service in virtual linux pc [root@mininat ~]# service named status Redirecting to /bin/systemctl status named.service named.service - Berkeley ...
2
votes
2answers
2k views

bind9 configure forward zone for local domain without DNSSEC for this zone only

I have a working DNS server for local domain mydomain.local. I am trying to configure bind9 to work in default configuration, except for this zone, for which I want to forward queries to local DNS ...
0
votes
1answer
53 views

Contact DC from a client without DNS

I have read Can I create a DC without a DNS Server?. But my question is a bit different. I have one client in a completely different subnet from the DC. That client does not have access to the ...
15
votes
2answers
2k views

How is a single IP address load balanced?

I'm aware of "round robin DNS" load balancing, but how can a single IP address be load balanced? Google's DNS servers for example, 8.8.8.8 and 8.8.4.4. Wikipedia's load balancing article states: ...
-1
votes
1answer
70 views

DNS server with scripting [closed]

I would like to know if there's any way of having a DNS server on Linux that runs a script and reply a different IP list depending on the script data returned. I've searched Google for 'DNS server ...
0
votes
0answers
145 views

DNS server for DMZ

Servers are in a different subnet like 192.168.1.0/255.255.255.0 and there is a NAT for internet access. For example if one of my web servers ip is 192.168.1.100 inlocal then 5.5.5.100 will be my ...
1
vote
1answer
279 views

Windows SBS 2011 Clients Randomly Unable to Access .co.uk Domains

We are a small office with 10 client PCs and one Windows SBS 2011 server acting as Domain Controller and Internet gateway. At random times client computers cannot access Internet hosts in the .co.uk ...
3
votes
5answers
4k views

Can I have my DNS server and my web server on the same IP? [closed]

I just bought a raspberry pi and made it a web server. I have a network with 1 IP. I created a DMZ and I am able to access my raspberry pi web server from the internet. I bought a domain that I intend ...
9
votes
1answer
689 views

Small issue with the Domain Name System (DNS) Server Cmdlets

I'm wondering if I need to clear some cache or something with the issue I'm having. I'm trying to remove A records from a DNS Zone and replacing them with a CName record that has the same host name. ...
0
votes
1answer
91 views

How to refer DNS queries to another NS?

A domain of mine, example.com, is handled by NS server1 (as configured in the domain registrar). But now I want it to be handled by a different NS, say server2, without changing the NS in the domain ...
2
votes
3answers
10k views

Openvpn client, force DNS server

Our Linux Ubuntu configuration does have a DNS server (Bind 9). And resolv.conf has its nameserver 127.0.0.1 When using openvpn client on that Linux, the nameserver is not changed (by the VPN ...
-6
votes
1answer
53 views

name server IP vs web server IP [closed]

I'm doing a course on an introduction to networks and I'm struggling to visualise certain aspects of the domain name system database. (if that is worded correctly?) For example, if you perform ...
-2
votes
1answer
183 views

domain-search value on my clients computer [closed]

I need help with configure my DNS and DHCP server - I have spent some time searching on google but have not got any informations regarding my problem. I have an Ubuntu 12.04 server running and use ...
1
vote
2answers
165 views

What happens to DNS cache server when the zone DNS server fails?

I have DNS server running which caches for records from a main DNS server. What would happen when the main DNS server is down? Will the cache DNS server still serve the records it has or will all the ...
1
vote
1answer
637 views

BIND session key

When I restart or start my BIND DNS server, I'm getting the following in the /var/log/messages log file. Jan 26 07:50:30 dev named[306]: could not create /jail/bind-9.9.4-P2/var/run/named/session.key ...
0
votes
1answer
105 views

Bind DNS Server Error

I try to set up a Bind DNS server, if I test the actual configuration with named-checkzone domain.de /etc/bind/db.domain.de the following error appears: zone domain.de/IN: NS 'ns1.domain.de' has ...
1
vote
1answer
694 views

DNS architecture sanity check

I'm designing DNS service for a network and had a few architecture questions. The O'Reilly/ Cricket Liu DNS book and the NIST DNS security guide don't address these questions except in a very general ...
0
votes
1answer
512 views

PowerDNS does not resolve TXT records

My PowerDNS DNS server 3.3 does not resolve TXT records. Database looks like this: PowerDNS database When I try to dig my server for TXT entry they are not being shown: [root@nowosci powerdns]# ...
0
votes
1answer
61 views

DNS server Windows Server 2008 fail resolving

I have a machine running Windows Server 2008 (not r2) and I have installed Active Directory and DNS server. On my client machine, in the network properties, I have set Obtain an Ip Address ...
0
votes
1answer
528 views

Find (& Delete) Specific Cached Entry - Microsoft DNS Server. Is it possible?

I would appreciate your assistance on this. I have a Microsoft DNS server, and am wondering if it is possible to find a specific cached entry (Cached Lookups) and delete it. I need to do this as ...
3
votes
1answer
346 views

Best way to implement secondary DNS server with BIND

I have one DNS server that installed on centOS and based on BIND DNS server. What i want to do is to make a secondary DNS server that will replicate with the master server and will hold all my zones ...
1
vote
1answer
239 views

Local dns server acts unreliably

In our local subnetwork we have a domain server. It's a Windows Server 2008 R2. It was configured by following this guide I think. My main domain is wm.local. My server is domainserver.wm.local. My ...
0
votes
2answers
248 views

Point Subdomain to another application on another domain

I'm not a very experienced Server Administrator and I'm trying to set up a new one I just got. I'm Using IIS7 and DNS Server What I need is that a url such as: mail.domainA.com points to ...
1
vote
2answers
443 views

How do nameservers “failover”?

How do nameservers do failover? What decides the order in which nameservers are queried when the primary nameserver is not reachable? To illustrate, here's part of my zonefile: $TTL 3m; site.com. ...
0
votes
1answer
1k views

Server 2003 dnscmd.exe access denied (not server 2008)

The only topics I can find on dnscmd.exe access denied are all "when we upgraded to Server 2008 this error started". Well, I'm using Windows XP client and Server 2003 and getting this error. I can ...
-1
votes
1answer
100 views

DNS servers not set properly? Site failing to load by hostname, though loads fine by IP

We run www.tekiki.com. Some users, including us, cannot reach www.tekiki.com because of DNS issues. The site resolves fine on the desktop, but it fails from our iPhones and iPads. The frustrating ...
0
votes
1answer
101 views

How can I manually set the IP a domain name resolves to without using the hosts file?

On my Windows server, example.com resolves to 1.1.1.1. A software I use resolves example.com expecting 1.1.1.1, but I need to modify this for the domain to resolve to 2.2.2.2 instead. Usually, I ...
0
votes
1answer
1k views

Amazon Route 53 alternative (BIND?) in my case

I have this project / research where I need to test/work on an EC2 instance with multiple domains (100+) in it. Basically I added an entry (for every domain) in httpd.conf All these domains will ...
-1
votes
1answer
400 views

How to configure Parallels Plesk 11 to use Google DNS server [closed]

The "default" DNS server does not recognize certain host names, and as a result we are unable to send emails to these domains. We would like to use Google DNS server (8.8.8.8), as it does the work. ...
-1
votes
1answer
589 views

DNS Server not responding (Interworx) [closed]

I have a dedicated server with interworx installed, and in its control panel I have created a site account for the dedicated ip Address 173.234.60.106 under the domain name fluffyspikes.com. ...
0
votes
2answers
248 views

Set up DNS and DHCP roles on Win 2008 server. Why don't clients show up in Explorer?

I disabled the DNS/DHCP on my router and activated those services on a Windows 2008 server. Everything is working fine, but when I go to browse the network none of the machines can see any other ...