Networking :: DNS With BIND(named) And Multiple External IPs?
Jun 22, 2011
I'm having some trouble with email being denied because of DNS and/or Reverse DNS issues. I'm hoping someone here is an expert and can shed some light on it for meWe have multiple subdomains, each having it's own entry in the zone file. However, the majority of our traffic goes out an aggregated external IP address with the exception of a few instances such as our mail server and our website(s).We currently have these three records in our example.com zone file:
Code:
example.com. IN A 11.22.333.44
www.example.com. 1H IN A 11.22.333.44
[code]...
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Jan 23, 2010
I'm trying to understand dns and I think the following commands should give me an "OK" or something... what am I missing?
Code:
# dig @a.root-servers.net . ns >| db.root
# named-checkzone . db.root
zone ./IN: NS 'K.ROOT-SERVERS.NET' has no address records (A or AAAA)
zone ./IN: NS 'L.ROOT-SERVERS.NET' has no address records (A or AAAA)
zone ./IN: NS 'M.ROOT-SERVERS.NET' has no address records (A or AAAA)
zone ./IN: has 0 SOA records
[Code]...
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Aug 12, 2009
host A: Fedora 7 has bind 9.4.2
host B: Fedora 11 has bind 9.6.1
I want to migrate my bind configuration from A to B I've read the release notes and man pages and I can't see why copying
/etc/named*
and
/var/named/*
I checked /etc/sysconfig/named too... Seems to have no effect on my brand new install on Fedora 11. Host B stays basically un-configured.
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Dec 20, 2010
don't find box of BIND so i was posting into this boxI have some problem when i config bind DNS for my domain and then i can't start named,this's error message
[root@server1 named]# service named restart
Stopping named: [ OK ]
Starting named:
[code]....
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Oct 12, 2010
I meet this problem after i reformat the CentOS 5...I havent do any configuration, the named service start failed ? why ....
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Jan 28, 2009
I updated bind to version bind-9.3.4-6.0.3.P1.el5_2 today, and then I started getting "Starting named: named: user 'named' unknown" messages. Selinux is enabled.
ID named shows:
uid=25(named) gid=25(named) groups=25(named) context=root:system_r:unconfined_t:SystemLow-SystemHigh
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May 7, 2009
Ubuntu ver 8.04.1 and Bind ver 9.4.2
I've set this up as a primary dns server, Bind is the only thing running on it, no gui, etc. I followed the default settings so I have a named.conf, named.conf.options, and named.conf.local file.
I have a log file I labeled as named.log in this path /var/log/bind. I'm using logrotate to rotate out the file.
My problem is that after syslogd restarts in the morning. My named.log file don't start logging info until I restart Bind. The new named.log file gets created and the old files rotate out and compress. All of the other log files in /var/log, syslog, messages, mail, etc, rotate out and compress like they should, after syslogd restarts.
I know that I could restart Bind using Cron but I shouldn't have to.
Below are snips of the files I'm using.
I named this one 'bind' and it's in the directory /etc/logrotate.d
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Jun 2, 2010
I have a strange problem regarding networking on the Alix 2d13 running Ubuntu 10.04. The Alix has 3 physical network interfaces, lspci says:
Code:
00:09.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
Kernel driver in use: via-rhine
Kernel modules: via-rhine
00:0a.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
Kernel driver in use: via-rhine
Kernel modules: via-rhine
[Code]...
It seems, if more than one cable is connected, a random hardware port is chosen as eth0-eth2. If only one cable is connected the port that is connected is chosen as eth0-eth2. Any idea what's going wrong here?
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Dec 7, 2010
I and setting up a home web server using Ubuntu 10.04 server (local only). I am currently using Webmin 1.53 to access it remotely all is going great very easy to use. Webmin - Check, ftps-fileZilla - Check, Apache -It Works BUT I cant seam to set up Apache as a named server using Bind DSN. Tried most of the help in the fourms and ..... I think my problems is in the master server selection, do i have to use [URL]... or can i just use myservername. I have tryed both with no luck. First time with the server addition.
[code]...
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Jun 7, 2009
I have a few external IP's assigned to me by my ISP. I have IPcop as my router/firewall. I am wondering how to bind 1 of my external ip's to my internal ip address. So I do not have to port forward, etc. For Example, 77.77.77.77 to 192.168.1.123 and on the server it see's the external IP address.
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Sep 3, 2009
I am configuring bind9 on fedora 9(sulphur).I have configured /etc/named.conf and created zone file in /var/named/I have started the service but when I am executing the command nslookup mydomain.com it is not able to resolve the name.Another problem I am facing when I do telnet localhost 53,I am able to connect.but when I do telnet myip 53 it does not connect.Seems to be a firewall problem but I ve disabled iptables selinux completely even I ve disabled dnsmasq but still not working.
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Mar 14, 2009
Mandriva 2009, BIND 9.5.0-P2. Named will start however I'm getting the above error as well as these:
14-Mar-2009 15:45:37.084 general: error: zone 0.in-addr.arpa/IN: loading from master file /var/lib/named/var/named/reverse/named.zero failed: file not found
14-Mar-2009 15:45:37.084 general: error: zone 0.0.127.in-addr.arpa/IN: loading from master file /var/lib/named/var/named/reverse/named.local failed: file not found
[code].....
Named shows to be running but with the errors above I know it's not running correctly. I also copied the above dir's over to /var/lib/named/var/lib/named which is where I 'believe' it's chroot'd at, though I could be wrong since I'm unfamiliar with chroot.
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Feb 16, 2010
I recently installed Ubuntu Server 9.10 with the intent of using it as a platform for running a couple of Windows XP virtual machines along with Linux/Ubuntu.
I had no problems getting the server installed. Had no problems getting the network up and running so that I had access to both my internal network as well as external connectivity to the internet. Had no problems getting a VM installed and putting Windows XP inside of it. Had no problems setting up a bridge between the WinXP virtual machine and the physical ethernet card (eth0).
What Im having trouble with is figuring out how to bridge from multiple VMs AND Ubuntu natively through one physical ethernet card.
When I set up the bridge, it knocks out the static IP address of the ethernet card that was set up initially with Ubuntu when first installed before the VM was created and installed. Therefore, connectivity within Ubuntu natively is lost.
Similarly, am having trouble figuring out how the second VM (also going to be running WinXP) is going to get its connectivity since it doesnt seem to like me setting up 2 bridges to the same physical ethernet interface card.
I need all 3 machines to have static IP addresses and be visible/accessible from the external network for either web/mail/dns/etc servers on the Ubuntu side and for remote PC control functionality on the VM side.
I have tried setting up alias ethernet interfaces (eth0:1, eth0:2, eth0:3) with static addresses which work fine from native Ubuntu in presenting multiple IP addressees, but it seems that Im not permitted to bridge to these alias interfaces.
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Jul 12, 2011
I have two DNS servers, one local and one remote, and I am trying to get them to talk to each other using views.
The problem I'm having is that the remote server can talk to the local one and receive zone files, but if I update the local server internal view, the remote doesn't receive the update. Here is my config:
Quote:
key "external" {
algorithm hmac-md5;
secret "xxxxx";
};
controls {
inet 127.0.0.1 allow { localhost; };
[Code]....
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Apr 1, 2011
I am using Cent OS 5.5 and i want configure DNS, but while configuring bind i am getting below error.
#/etc/init.d/named restart Stopping named: [ OK ]
Starting named:
Error in named configuration:
/etc/named.conf:57: open: /etc/named.root.hints: file not found[FAILED]
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Dec 28, 2010
I recently got an external 2TB hard drive. I want to use it with my Mac Mini, which is triple booting Linux, Mac 10.6, and Windows 7. The problem is, I don't know which file system it should be using. NTFS is read/write in Windows and read-only in Mac, and HFS+ is read only in Windows and read/write in Mac. I'm pretty sure FAT is not a good choice for a disk this big. Is there any way to get this to work?
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Jul 8, 2011
what is bind vs bind-chroot vs caching-nameserver ?what is the different between eatch others ?
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Nov 30, 2009
I am new in configuring named.I want to set my firewall (Fedora 11) as a name server. The local domain is a Windows domain. I'd like internal users translate domain name into IP on this server when they go to the internet. After reading some posts on the web, I set up named as below. It seems the named does the job but with some problems.
1) When I start the server, I couldn't find the named process even if the file "named" is in /etc/init.d. I can browse Internet on the server with domain name (DNS works locally). But internal users couldn't get the domain name translated. If I shutdown the server at this stage, it will shutdown within 1 minute.
2) If I run "service named start" after the server boot up, I see process "named" and named work okay. Both internal user and local host can browse Internet with domain name. However, any command starting with "service named" has no response after this, such as "service named status" or "service named stop". I can see it shows "stopping named" and this last forever. I have to kill the process then restart named server so that named may run again.
3) If I shutdown the server now, it will take 4-5 minute instead of 1 minute in 1). The shutdown stuck at "shutdown named" for 4 minutes. Even if I kill process named before the shutdown, it will take 4-5 minutes.
It took me a week on this issue. I appreciate if you could take a look my configure files and guide me through this.
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May 27, 2011
I'm trying to setup a DNS name server using fedora14. Everything is working in the LAN, I've no errors in log/messages, but cannot ping outside world. Can ping IP addresses but not domain names.
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May 16, 2010
I'm running 10.04 X86_64. I have this 650 GB External Hard Drive With three partitions: one fat32 and two ext4. Sometimes when I plug the drive in X crashes. I get no response at all from the keyboard but the pointer works. I am able to minimize and maximize windows but i cant close them and i cant click on the top bar. Today the error occurred after I transfered some files from one of the ext4 partitions to a 320 GB External HD(single partition FAT32). I pressed the ctrl + alt+ f1 ( to go to the shell :-/) and this strange lines of code where showing up over and over again:
[XXXXX.XXXXXX] ata1.00:status: {DRDY ERR}
Also the following exception:
[XXXXX.XXXXXX] ata1.00:status: Exception Emask 0x00 SAct 0x0 SErr 0x0 action 0x0
When i came back to X (ctrl + alt + f7) and unmounted the drives every worked fine.
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Dec 6, 2010
I have a secondary IP (external/Internet, not LAN) for a CentOS box, what do I need to do to make the server bind to that IP as well as it's primary one?
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Oct 28, 2009
i've made a big update of almost 300Mb.I'had a working DNS server.Now, when i boot the box, named works and it resolves all the clients.If i make any change (enter a new client for example) and of course i restart named (service named restart), named stop but does not start again !!!In order to get a working named, i 'm obliged to reboot the box?
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Jul 23, 2011
I have a question with named and cname records. I wrote a CNAME record into a zone yesterday:
valami.teszt.hu. IN CNAME teszt.hu.
teszt.hu has an A record:
teszt.hu. 14400 IN A val.id.I.P
I restarted named. My problem is: when I visit valami.teszt.hu I get the "Apache is functioning normally" message, and not teszt.hu. And if I write an A record for valami.teszt.hu instead of CNAME record (valami.teszt.hu. 14400 IN A val.id.I.P), the valami.teszt.hu will display
message mentioned above too.
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Dec 20, 2010
How to mount multiple external HDD's. I'd like to link or mount the music, torrents, and general files from several external hard drives and apply permissions (in some cases I only want the mount or link to be read only).
My setup:
- Seagate Dockstar running Debian squeeze (it's headless so I don't have a gui running)
- Two external HDD's with one partition on each (250GB and 400GB)
What I'd like to accomplish:
1. Mount the external HDD's to /media/HDDs as read/write (this is already working using udev and autofs and it's available in samba)
2. I'd like the MUSIC directories on both external HDD's to show up under the same mount point. In other words I want the MUSIC folders (from both HDD's) to appear as one large library of music. And I only want this to be readonly. It will be used as the library for mpd and/or squeezebox.
3. Mount a directory used to download torrents to. I'll probably pick on HDD as the target for torrent dowloads. But let me know if you have any other ideas regarding this.
Since I have the first one done, how would I accomplish 2 & 3?
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Sep 30, 2010
I want to setup my External HDD with multiple operating systems on it. My first question is, If i am running an AMD box at home, will my External drive boot on an intel machine some where else?
Second; How would i go about installing them on my external?
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Jan 12, 2010
I would like to mount a (permanently) attached external USB drive so that it is writable by multiple userids. Currently HAL is mounting the drive as writable to my owner user and readable for group and others. My m/c also runs as an FTP server and I would like said FTP server to be able to write files to the external drive. Just being able to specify a gid would probably do the job for me.
I have googled HAL and UDEV and also attempted to configure usbmount to do this, all to no avail. I am running SLES 10.3. So in summary, can I & how do I either make HAL mount the drive with gid=nnn, or should I not use HAL and simply make an entry in /etc/fstab and make sure a I get the same device address for this USB drive each time I boot?
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Jan 22, 2011
I am trying to intall multiple distros on an external drive. This drive has no windows installed and I want it solely for Linux use.
When installing the distros from live disks, each time it comes to selecting the partition to install to, I am asked for a mount point. I have used in the first installation but this cannot be used again.
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May 11, 2010
How do I join a Windows XP Workgroup named HOME?
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Dec 23, 2009
Is it possible to change the location that the journal files are created. By default, they are created in the same location that the zone files are.
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May 26, 2010
I have an external USB hard drive at /dev/sdb1 (NTFS)
2 users: johnny, audio
for some reason this drive is mounted at /media/TREKSTOR_ with johnny as the owner. I can't seem to chown the drive to audio. If I unmount the device, and remount it, the owner is set to johnny again. I need to access this drive from the audio account.It's a 1TB drive, so I wouldn't be able to reformat it to EXT3 easily as it's almost 60% full.
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