Server :: Hostname Configuration On BIND
Jan 2, 2010
I have read a lot of documentation but it is still hard to find a proper answer to my doubts.About the hostnames in a domain, how is it associate to a determinated port?
For example, when I type on the browser webmail.sparc86.net and then I get redirected to the port of 20000 of this same domain. Fine, but how does it work that it knows it should be redirected to the port 20000? From where is this information (the association webmail-port 20000) taken? The apache will manage this, right? But what about other services like ftp?Another example, If I wrote my own software listening, let's say on the port 40000 and I want to have a domain like "mystuff.sparc86.net" how would I let it be redirected to the port 40000 ?
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Feb 1, 2011
Is there away to resolve the hostname after creating a new subdomain. So we don't need to wait internet need some times to able to resolve the hostname. For example, if I add new subdomain to "test.example.com", I can directly ping to this hostname from internet.
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Dec 23, 2010
What is the best IPtables configuration for bind DNS server.
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Apr 17, 2010
I really not successed to install Bind, I installed Rhl9, After installation, i want to confirm the name server using dig command also, prob to use dig command with different option
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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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Apr 30, 2011
I have a problem with the configuration of the NS zone. Looked through the logs, and there:
Apr 28 21:20:19 szewczyk named[18340]: /etc/bind/db.domain.pl:1: no current owner name
Apr 28 21:20:19 szewczyk named[18340]: zone domain.pl/IN: loading from master file /etc/bind/db.domena.pl failed: no owner
[code]....
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Apr 18, 2011
So I recently upgraded from Debian 5 to Debian 6 and now for some reason I cant SSH into my server FROM my server. All of the following fail with the same error:
[URL]
They all come back with: ssh: Could not resolve hostname 127.0.0.1: Name or service not known. I never actually tried this before upgrading so I'm not sure if its caused by the upgrade, but I would like to get this fixed. Also, ping with all of the above hostnames fails as well. I can SSH in from other computers and I can SSH out from the server. For whatever reason, I cant SSH from the server to the server though.
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Jul 23, 2010
why but on one of my boxes I am having trouble adding a new zone with the BIND Configuration GUI. When I click New->Zone, it'd pop up a long form for me to fill out various things like .....
Cache Time To Live
Authoritative Name Server
Responsible Person E-mail
etc
I notice that on the working box, it'd populate the output of the "hostname" command onto the "Authoritative Name Server" field. However, on the box that doesn't allow me to add new zones, it uses something like localhost.
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Feb 20, 2010
I am trying to install Bind 9.3.6 - P1 on OEL 5 Update 4 which is running on Oracle VM Server as Oracle Template OVM_EL5U4_X86_PVM_4GB
Requirement :
We have two different domains
1. abc.com
2. abc.co.in
Some of the Servers are in :
abc.com
xyz.abc.com def.abc.com
... and more
code....
When I tried creating DNS Server : Dig worked on the server but when i am giving the IP of the DNS Server on another machine it cannot resolve any IP or Internet Address
Giving the following Messege on nslookup
DNS request time out
timeout was 2 seconds
***'Cant find server name for the address 192.168.1.x : Time Out
***Default Servers are not available
Default Server - Unkwoun
Address : 192.168.1.x
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Nov 13, 2015
I want to migrate to bind 9.10 in debian wheezy. I don't want to take the source code from debian Sid since its an experimental version. So I have taken source code from official bind forum and compiled in debian wheezy. The compilation is successful but I am having problem in running the binary in debian wheezy. It's not honoring the binary even though I run it. I am not getting error messages on console but still it is not running.
I want to know whether its feasible to do this Or is it dependent on any other system libraries to make it run ?
Last few lines from Strace Dump
==============================
capget(0x20080522, 0, NULL) = 0
capget(0x20080522, 0, {0, CAP_CHOWN|CAP_DAC_READ_SEARCH|CAP_SETGID|CAP_SETUID|CAP_NET_BIND_SERVICE|CAP_SYS_CHROOT|CAP_SYS_RESOURCE, 0}) = 0
getuid() = 1007
[Code] .....
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Jan 31, 2016
Is is possible, via iptables or something similar, to bind a service running on a specific port to a specific interface? My case: I use a VPN service for privacy. I would like to have all traffic except ftp and ssh to run over tun0. Ports 21 and 22 will need to be accessible to the outside world (eth0) while the VPN is running.
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Jul 14, 2011
DHCP I have working, so is BIND.
I'm trying to get dynamic dns working and am having issues
I suspect this maybe a chroot issue.
I've tried to follow the chroot advise within the wiki for Bind but no joy.
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Oct 31, 2010
I had installed BIND packages but /etc/named.conf file is missing as the packages are shown,
[root@nisserver ~]# yum list bind*
Loaded plugins: rhnplugin, security
This system is not registered with RHN.
[code]...
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Mar 18, 2010
a zone file (db.example.edu.br) starts like this:
Code:
; BIND version named 8.4.6-REL-NOESW Tue Jan 25 19:11:36 UTC 2005
; BIND version lamont@mix:/build/lamont/bind-8.4.6/src/bin/named
; zone 'example.edu.br' last serial 200806011
; from [201.138.35.4].53 (local [201.138.35.15].51183) using AXFR at Wed Mar 12 18:44:01 2008
; NOT TSIG verified
[Code]...
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Jun 11, 2010
Any attempt to load a webpage gives a Cannot Resolve Hostname error. i can ping [URL], but cannot load the page. However, the page will load by typing its IP address [URL] I have been trying to figure this out for days. cat /etc/resolv.conf nameserver 192.168.1.254
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Jul 26, 2015
uname
Linux cam01 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) i686 GNU/Linux
debian_version
8.0
I have three webcams and after reboot they change their /dev/videoX names from time to time.
My attempt to add .rules file to /etc/udev/rules.d was unsuccessful.
Code: Select allSUBSYSTEM=="video4linux", ATTRS{ID_SERIAL}=="046d_0825_4EE37780", SYMLINK+="video10"
SUBSYSTEM=="video4linux", ATTRS{ID_SERIAL}=="046d_0825_4B2AC690", SYMLINK+="video11"
SUBSYSTEM=="video4linux", ATTRS{ID_SERIAL}=="HD_WebCam_HD_WebCam", SYMLINK+="video12"
SUBSYSTEM=="video4linux", ATTRS{ID_SERIAL}=="046d_0825_4EE37780", SYMLINK+="mvideo10"
ATTRS{ID_SERIAL}=="046d_0825_4B2AC690", SYMLINK+="mvideo11"
SUBSYSTEM=="video4linux", ATTRS{ID_SERIAL}=="HD_WebCam_HD_WebCam", SYMLINK+="mvideo12"
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Jan 3, 2010
I have a network of 2 WinXP machines and one linux box. I have fiddled around with the settings as you do when learning. The network is working. The network neighbourhood on the WinXP machines recognise the linux box and vice versa, (the linux Places|Network recognises the 2 WinXP). I can Ping the linux box using its hostname from a WinXp. But I cannot do the reverse. I get an 'unknown host' response. I can ping the linux to itself using its hostname.
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Jul 29, 2010
I'm having an issue on two Fedora Core 13 machines where I can ping others by hostname, but the hostname resolution fails whenever I use ssh/scp/vnc/etc. I can still do these things by IP address, just not by hostname. RHEL5.3 machines on the same network with the same configuration do not seem to have this problem.
Here's the not-so-quick-and-dirty description of the situation:
I know that there is a virtual router at 192.168.31.1 and another at 192.168.30.1. I also know that there is another network (let's call it 90.90.90.0) and on that network lies a number of resources. By nature of this configuration, any machine on 90.90.90.0 can be accessed by any 192.168.x.x, but not the other way around. Beyond that is out of my hands and currently out of my scope of knowledge.
I have a dnsmasq server on 90.90.90.10 that operates as a secondary nameserver, another machine out of my sphere of influence is the primary nameserver (90.90.90.31).
The secondary nameserver on 90.90.90.10 holds the hostnames of our development machines. The problem is that in some cases, while I can ping by hostname all day long, services such as ssh, scp, vncviewer, etc all fail to resolve the hostname. In other cases I can do all of these things.
Every machine has an equivalent resolv.conf:
As an example, I will show the output of a handful of my development machines:
I also included columbia as a one-way test -- even though it cannot access 30.x or 31.x, they can access it:
columbia -- physical machine, Red Hat Enterprise 5.3, IP 192.168.100.200
Okay, so here are the various outputs. Remember, nibbler, discovery, and atlantis can ALL:
- Ping by IP address
- Ping by hostname
- ssh, scp, vnc, etc by IP addess
Additionally, the SERVFAIL reply from 90.90.90.31 is expected since my dnsmasq server is on the secondary server.
Note that the only machine that can both ping and ssh/scp/etc by hostname is nibbler, which also happens to be the only one of the three running RHEL5.3 instead of FC13. Other virtual and physical machines running on the 192.168.31.0 and 192.168.30.0 networks (all running RHEL5.3) work just like nibbler does. So the problem seems to only affect machines running FC13.
Final note: selinux is disabled, iptables is disabled, ip6tables is disabled.
Other than that, discovery is a brand-spanking-new install straight off of the FC13 DVD. atlantis has been around longer, but its just a file server so I haven't done anything too crazy to it.
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Apr 6, 2010
How do I set $HOSTNAME to dynamically update with the hostname that is specified for the ip in DNS?
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May 24, 2010
I'm trying to ping another Ubuntu computer on my local network. If I try doing,ping <hostname>then I get the messageping: unknown host <hostname>however, if I doping <hostname>.localthen I get a response back. I was wondering how I can change it so that I can ping without having to append .localI've installed winbind and modified my /etc/nsswitch.conf file but this has made no difference.
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May 22, 2011
I have an ubuntu 10.04 server with hostname "abc.domain.com". However, due to migration, we had to change to hostname to something else, "xyz".
I have done changing /etc/hosts and /etc/hostname and run /etc/init.d/hostname start.
Checking the hostname and all shows it is now using hostsname of xyz. However, email sending out is still using old hostname. We have some scripts that will send out alerts like failed rsync or hdd space full to my email account. But I see the sender is still "root@abc.domain.com".
How do change that to xyz? I am using postfix. I have edited main.cf and restarted postfix but no go.
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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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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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Jun 14, 2010
I have a BIND server that I'm setting up with different views. There is another server out on the public Internet that currently handles all inquiries for this domain. I had installed the Yum packages, chroot, etc. and edited the config files by hand. When that didn't work, I erased the server and started over using Webmin to build everything for me. Same result. I want to setup and verify everything is working on this new server before I take it into production.This is in /var/log/messagesQuote:
Jun 13 21:33:20 dns1 named[13838]: starting BIND 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 -u named
Jun 13 21:33:20 dns1 named[13838]: adjusted limit on open files from 1024 to 1048576
[code]...
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Sep 24, 2009
I need to know how to configure the address of the next level DNS server in my BIND server. im in a FEDORA 10 system.
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Jan 17, 2010
I want to join standalone windows xp machine to Linux Domain (Redhat 9)..
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Jul 20, 2011
How I can change IP and hostname in red hat linux es 5 command mode , not in desktop GUI?
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Jun 26, 2011
I'm trying to setup DNS server. But i'm getting this strange problem.normally nslookup and workin for other sites.problem only with my local setup. can't see what i'm doing wrong.i've had setted up DNS server before but had no problems.can't see any solution on google.
So...
centos 5.6
bind 9.7 (from repository)
[code]...
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Jun 8, 2011
I am still quite new to all this but I guess we were all beginners once, this forum seems very helpful.Here is my situation, I will give as much detail as I can.I have a dedicated server which is running CentOS release 5.5.Initially I had Plesk installed, but when I upgraded PHP I damaged the Plesk configuration, and so I installed Webmin instead.
All seems to be fine with this, apart from the DNS configuration / BIND server.I know this because I have one site which uses an external DNS server and this works fine (i.e I can access it from a browser). All the others don't resolve - i.e the ones I set up in Plesk.I've done a bit of investigating to see what is going on, but I'm stabbing in the dark a little.
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Nov 28, 2010
I've been looking for a good tutorial for setting up a BIND DNS server for my local network. What I want to do is..Have BIND running on my home server receiving all DNS requests.Have certain zones (my.zone.lan) pointing to custom IP addresses (I.E. server.lan points to 192.168.{server IP})Zones that don't exist should be passed on to OpenDNS for processing.
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