0
votes
1answer
31 views

Why is bind asking for this extra parameter in my zone file?

I'm creating a zone file for a fake root because this is a closed network with no Internet access. I've created the following zone file but for some reason, bind is requiring an extra parameter; ...
0
votes
0answers
36 views

filter/drop unwanted DNS requests to BIND [duplicate]

I have a public, non-recursive Bind DNS server running on Ubuntu to provide authoritative DNS for our domain. We get a lot of erroneous domain look-ups which I'm sure are an attempt to involve us in ...
4
votes
0answers
79 views

Entropy Deprivation on Bind / Named Servers

I noticed that my DNS servers are having low points in the available entropy: (Note it doesn't stay that low, but within 10 minutes there are several low points (this graph shows the min of 10 min ...
0
votes
2answers
41 views

Configuring DNS with router and BIND

Goal I am trying to setup a local DNS server here in our office. Problem Apparently Comcast has a loop-back so when we configured the domain to go to our IP it works outside of the office but ...
1
vote
0answers
38 views

Woes with named/bind and forwarding zones

I'm sadly restricted to a very old version of bind (9.4.2) This is the think. If I setup bind with a named.conf and only forwarding it works perfect. acl clients { any ; }; options { ...
1
vote
1answer
173 views

Failed to bind to server ldap://<ipaddress> Error: Can't contact LDAP server

We are running a Linux 2.6.32-431.3.1.el6.x86_64 kernel and keep seeing the following messages in /var/log/messages periodically showing up on our user space server. When the messages appear we also ...
1
vote
0answers
26 views

How to make BIND return old cached enties if all forwarders are failed?

I have a local forwarding BIND server installed at localhost. In its configuration there is a couple of forwarders: options { ... forwarders { 1.2.3.4; 5.6.7.8; }; ... }; Servers which are pointed ...
0
votes
0answers
114 views

CentOS DHCP server not updating DNS nameserver on Ubuntu Client

I have a working DHCP server on CentOS, with /etc/dhcp/dhcpd.conf set up as follows: subnet 192.168.1.0 netmask 255.255.255.0 { option routers 192.168.1.1; option subnet-mask 255.255.255.0; ...
0
votes
2answers
98 views

Setting Bind9 DNS Server on CentOS 5.9

I have an OpenVZ VPS server with CentOS 5.9 32 bit installed. I also buy domain sehattotal.com from local provider (masterwebnet.com). currently sehattotal.com is hosting in hostgator.com. My ...
1
vote
1answer
97 views

Push hostnames to a DNS server without DHCP

Considering the complete lack of luck I've had googling any terms related to this question, this may not even be possible, but: Is there a reasonably standard way to set a hostname on a machine, and ...
2
votes
0answers
74 views

How can I use a Linux BIND DNS server for my Active Directory forest?

I am trying to setup an Active Directory forest that uses a Linux BIND server for DNS. The goal is that the Domain Controller (DC) to be able to make entries in the /etc/bind/db.foresta.net file from ...
0
votes
1answer
123 views

DDNS, BIND and leftover .jnl files

I have configured BIND and ISC DHCPD to work together (using keys for updates). Now it's not that it does not work at all: forward maps etc are most often added. However, very often, for no apparent ...
7
votes
3answers
173 views

Why running named(bind) in chroot is so important for security? Or maybe it is not ?

I'm playing with bind and started wondering why this software is for example in CentOS running in chroot. Don't misunderstood me I know what bind is and what chroot (jail) is for. But my main wonder ...
3
votes
1answer
81 views

How to proper delegate domain in BIND for Active Directory servers

I have to delegate domain for AD serwers. Let say example.com and I'm using Bind(dns.bind.com) on CentOS. I added proprer configuration to named.conf and using A,NS records delegate domain to AD ...
-1
votes
1answer
40 views

DNS Server Linux

I've got a problem with my bind server... I can't find "/etc/default/syslogd" to add to it "SYSLOGD=”-a /var/lib/named/dev/log” Two days ago, I setup whole Bind9 on my server, the domain works fine ...
0
votes
1answer
225 views

Setting up Reverse DNS Zone BIND9 Ubuntu 13.10 Server [closed]

I am trying to configure a reverse DNS zone on my new dedicated server. I have tried several things but for some reason i cannot get my reverse zone to properly resolve. When checking my dns, i get ...
1
vote
2answers
88 views

ISC BIND refuses to start: “exiting (due to fatal error)”

Bind 9.8.2 on CentOS 6.4 x64 on IBM X server. Bind 9.8.2 from official Centos updates repo used to work fine, but then I needed to tweak it by compiling from source (nothing crazy here -- just ...
0
votes
2answers
242 views

Bind9 SERVFAIL on Ubuntu 12.04 LTS

I'm trying to setup own dns server inside company, but i can't get it to work. I installed Bind9 on Ubuntu 12.04. I always get status: SERVFAIL, when i try using it. This is sample of one of my tests: ...
1
vote
0answers
57 views

Internal-only DNS Master and Slave Servers on Linux (No Internet) - Recursion?

Using two physical Linux servers on different sub-nets, I'd like to have master and slave DNS servers. These DNS servers will only resolve internal names and addresses. Neither the DNS servers nor ...
0
votes
0answers
49 views

Assigning LAN TLD's

Let's say that I am setting up an experiment of sorts with two or more DNS servers. These DNS servers will handle DNS requests for <domain>.lan tlds. Let's say that dns.lan points to the first ...
0
votes
1answer
48 views

DDNS resource records TTL

Where are the TTL of dynamically added records configured in bind? I have a DNS-zone with standart $TTL set to 10 minutes. When the zone is updated, the hosts added get their own TTLs that differ ...
0
votes
3answers
122 views

bind named server - forward some requests to other servers

Is there a way to make bind answer some queries but forward all other queries (of the same domain) to another server, as in: example.com A 127.0.0.1 www.example.com A 127.0.0.1 everything not on ...
0
votes
1answer
51 views

Bind9 fails to resolve specific domain while allowing all others

I have a problem with bind9 running on Ubuntu Server 12.10. It refuses to resolve the external domain housing.org.uk even though it resolves all other external domains. I can do: dig housing.org.uk ...
1
vote
0answers
78 views

DNS forwarder and zone transfer to the same servers

I have a bind server running which is authoritative for one domain say ab.dc.example.com and it is a forward only dns server. It will forward all requests other than ab.dc.example.com to a set of ...
0
votes
0answers
39 views

Ubuntu server DNS/DHCP/MAAS woes

I've been using Ubuntu server Raring for a few weeks now. It seems to be great, but I havre a slight problem. I opted for the Metal As A service option, and now its changing my DNS records and going ...
0
votes
2answers
633 views

can you help me setup DNS forwarding

I have a dns server in a subnet of the corporate network and i want to tell it to forward to the main dns servers when it cannot resolve this is my file: // // named.conf // // Provided by Red Hat ...
0
votes
1answer
61 views

Reverse dns for web/mail server with single ip

I have a single server with single ip running a web server, mail server and bind (all for a single domain). In my DNS zone file I created A records for www.domain.com, mail.domain.com, ns.domain.com ...
3
votes
2answers
210 views

BIND9, nsupdate and damn DDNS

I've scoured through so many HOWTO pages on DDNS to try and fix this... I'm at a loss. WorkstationX = CentOS 6.2 x64 ServerX = Ubuntu 12.04 LTS x64 I don't understand why it's not working... I'm ...
1
vote
1answer
267 views

Bind slave slow to update zones

I two Bind servers in a master/slave configuration. When the serial is incremented on the master zone file, it takes longer than expect for the zone to update on the slave. I have replicated the ...
0
votes
1answer
41 views

Unalterable folder or path to keep a mount point on Linux

I need to mount a tmpfs on a folder like /home/mysite.com/cache but this folder can be delete or changed by a user, but I don't want that the mounted filesystem become broken. Then if the user moves ...
0
votes
0answers
45 views

Bind Linux to Open Directory

So I am trying to bind a linux machine to Open Directory. It works fine if I don't automate it. [root@app-setup-testbox1 ~]# kadmin -p admin -w PASSWORD -q "addprinc -randkey host/$HOSTNAME" ...
3
votes
1answer
95 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 ...
0
votes
1answer
321 views

Query upstream authoritative DNS for unknown host

I've got an internal bind server which works fine for my local name resolution. Most of the hosts are mapped with internal IPs instead of their corresponding external IPs. However, there are ...
-1
votes
1answer
62 views

Can a named (bind) crash make a server unreachable?

My server recently became unreachable, and after restart a named error was the last line I found in /var/log/messages before restart: Jun 26 00:15:06 host named[1303]: error (network unreachable) ...
1
vote
1answer
60 views

Dynamically update DNS zones and records correctly?

Using Bind9 i wish to be able to update both zones and the records of the zones without interrupting the service, as in restarting. I've used nsupdate to control the records but now I'm looking into ...
-2
votes
1answer
217 views

How to bind two ip to one domain name for failover solution in Linux (Bind) or Windows server 2008 DNS

How to bind two ip to one domain name for fail over solution in Linux (Bind) or Windows server 2008 DNS ?
0
votes
1answer
82 views

Bind a Java process to a virtual interface

I'm trying to bind a java process to a specific virtual interface having IP address <myIFaddr> as follows: export BIND_ADDR=<myIFaddr> LD_PRELOAD=./bind.so exec java -jar ppp.jar The ...
8
votes
2answers
569 views

Can I completely remove the Windows DNS in favour of BIND9 in an AD network?

I would like to remove the DNS feature of Windows Domain Controllers and point the DNS servers to our BIND9 servers. I know it's possible to setup coexistence but this requires a number of extra ...
0
votes
1answer
31 views

DNS not resolving through db.cache enteries

i m facing a problem in which mine DNS server is not resolving via db.cache eatery. i want to revolve xxxx.mnc019.mcc502.gprs via y.y.y.y ip (db.cache) but it is getting resolved via x.x.x.x ip ( ...
0
votes
1answer
121 views

BIND not pointing to right IPs

This is more of an experiment to learn and understand BIND/NAMED more but here is what I have. I set my computers DNS to my linux server's IP. I have BIND9 running with the following entry: $TTL ...
0
votes
0answers
157 views

Bind cannot query some specific domains

Could help me to solve the bind software problem? I installed the bind SW on my redhat server, the version of bind is BIND 9.7.1-P2. The bind SW cannot query some domains, example nhaban.com, ...
0
votes
1answer
141 views

DNS Reflector Attacks — protection

[~]# /usr/bin/dig +recurs @MYIP www.facebook.com ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.5 <<>> +recurs @MYIP www.facebook.com ; (1 server found) ;; global options: ...
0
votes
0answers
66 views

Bind - Client is not able to resolve domain address

After playing around with named on CentOS 6.4 I have encountered the following problem: - Windows 7 Client can resolve names via nslookup, but Browser (Firefox, IE, Chrome) cant Configuration file ...
0
votes
1answer
501 views

Adding static DNS entries on a dynamic BIND setup

I've got a DNS (BIND9) and DHCP (ISC-DHCP-SERVER) setup in which the DHCP server dynamically updates the DNS when hosts grab an IP address. I'm currently resubnetting a portion of my network that's ...
-2
votes
1answer
155 views

how to point external domain and ip?

i'm searching 2 days for this question, and i can't resolv this. I have a debian, BIND9 server running, so i create a zone for example www.somewebsite.com and point the domain to my server ...
0
votes
2answers
167 views

BIND DNS Domain change issues for domain entry

On BIND, I have an entry for a domain that is pointing to an old server and IP. This machine doesn't exist any more. When I make the change to point to the new server, the nslookup is still showing ...
1
vote
1answer
202 views

DNS Protection in named.conf

cat /etc/named.conf [...] acl "trusted" { IPS HERE }; options { allow-recursion { trusted; }; allow-notify { trusted; }; allow-transfer { trusted; }; allow-query { trusted; }; directory ...
0
votes
1answer
96 views

bind is not validating dnssec

Strange. My bind is not validating dnssec even though I configured it to. Version according to named -V is BIND 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 which has a built-in DLV key. Under options in ...
-1
votes
2answers
149 views

bind9 bogging down server with unknown request

I am running a oracle linux server as an operational box. I've noticed random lockups on VNC, SSH, and web server request. I looked at my message log and see alot of random resolving. [user@SERVER1 ...
0
votes
2answers
72 views

Nameserver config: local or external IP

I'm setting up a BIND nameserver on my Linux server computer. Now if BIND asks me for a IP address for a A Record, should i enter my local ip (192.168.178.21) or my external ip (80.101.40.227)? All ...