CentOS 5 Server :: BIND Nslookup Don't Work From Clients OS?
Oct 20, 2009
Don't work nslookup from clients guest OS.I have LinuxMint 7 and I'm installed VirtualBox on her. I created three guests OS. Two CentOS and XP
Name
The first CentOS linux1.starline.ca
The second CentOS centos.starline.ca
The third XP xp2.starline.ca[code].....
On the clients guest OS nslookup don't work. It write : timed out; no servers could be reached .What is going on? Why nslookup don't work from clients guest OS?On client machine in the file /etc/resolv.conf have record ameserver 168.135.88.2
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May 5, 2010
When i enter ip or address nslookup does not reply any answer. It shows no server found. "servfail". This is my named.conf file:
[Code]....
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Sep 9, 2011
I have tftp-server running on Centos 5. Clients which are on the same subnet as the server are able to get and put without problems. I have a client that is across the internet that is having trouble getting files from my tftp server. A tcpdump reveals that the client is requesting the same file over and over again. In /var/log/messages, I am see the following error repeated over and over until the client finally gives up.
localhost in.tftpd[12727]: tftpd: read: No route to host
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Dec 15, 2010
On my server I've a OpenVPN gateway and a DNS bind9 serveur At the moment, OpenVPN send opendns address to the clients and it works fine. I would like to use my DNS server for my clients to work with any DNS address. Here is OpenVPN config :
[Code].....
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Jan 13, 2010
I have an FTP server which is linked to a user account in a chroot jail and I have disabled anonymous access (anonymous_enable=NO). I can FTP into this server from Windows command line FTP client and every other FTP client I have used with no problems.
However, I have been trying to access it via a web browser (firefox) using ftp://<server name>. This connects and prompts me for my login details, which I enter as I should. But then I get a 425 connection error.
In my /var/log/secure log, I see the entry: -
Why is Mozilla Firefox trying to connect as an anonymous user when it has already prompted me for my login details?
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Oct 19, 2010
At my work, we have several clients (outside clients) that have an FTP login to our FTP Server. Their login then leads them to their home FTP folder. The FTP server is currently a Win2003 box. Because we have so many clients, we would like to implement some form of WebGui that would allow each client to manage their own FTP home folder and user info, such as resetting their password if they lost it.
Is there anything like this available in linux that would provide us with that kind of control/usability?
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Apr 4, 2011
I have a server (called NAS) that shares out /public, and I also have this same server running KVM with some VM's. I am setting up the first VM now, and one of the things it does is download torrents onto the share. I am connecting it via "mount -t smbfs //nas/public /mnt/nas" from the VM on the host and it seems to work fine. However whenever I add a torrent to the queue on the VM to download, all downloads stop and seem to be disconnected. I can restart them after a few seconds, but they will stop after a few minutes with another disconnect error. I have the network interface bridged, so I thought it was talking directly to the host.
The appropriate lines in my smb.conf:
security = share
[public]
comment = Public Stuff
path = /public
[Code]....
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Jan 21, 2011
I have some trouble when I build a DNS server. I need use mysql stored procedure work with the bind dlz mysql driver, but failed.
dlz "Mysql zone" {
database "mysql
{host=127.0.0.1 dbname=dnsdata ssl=false}
{select domain from domains where domain='$zone$' LIMIT 1}
[code]....
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Jul 29, 2011
i am trying to run bind in centos 6 and bind keeps giving me errors every time i check all of the configurations. the named.conf file works fine but the zone files keep giving me errors heres the contents of my named.conf file
Code:
options {
directory "/var/named";
listen-on port 53 { any; };
allow-query { any; };
[Code]....
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Jul 15, 2011
How to install bind 9.7 in centos 5.6 if i installed using yum means, its defaultly installing 9.3 version.
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Jun 27, 2010
I am trying to find the proper way to setup a NFS4 Server with two clients. I have:
FileServer: CentOS 5.5
-IP:10.1.1.200
-User: Max
-Export: /FS-Data
[code]....
User/Group Max owns FS-Data on the FileServer, How do I go about mounting it on the clients, since root can only mount?
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Dec 9, 2009
We recently upgraded our NFS server from Centos 4.4 kernel 2.6.9-42.0.10.plus.c4 to Centos 5.4 kernel 2.6.18-164.6.1.el5
In our queue directory where we shuffle files to be processes some files will go missing.
Example structure
/Queues/Process1/subdir_xxx
/Queues/Process1/subdir_xxx
etc...
/Queues/Process2/subdir_xxx
/Queues/Process1/subdir_xxx
etc...
Where 'xxx' is a date/time string down to the second.
Each subdir entry contains a number of files, depending on load at the time.
What we see happening is that a subdir will appear empty from a client (ls -la shows . and .. ) but an rmdir will fail with a 'directory not empty' error. From all 7 clients (mix of Centos 4 and 5). However on the server the files are visible. If we 'touch' the files the clients will then pick them up and process them.
It doesn't appear that waiting any amount of time will make the files visible (we've waited 8 hours while testing).
We've tried different mount options, NFS4, etc. Nothing got rid of the issue. Changing one server to use CIFS however solved it. So it appears to be some bug in NFS.
The problem appears to be intermittent and random, we can go hours without seeing it, or minutes. I'd say it affects fare less then 1% of the files written.
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Mar 30, 2010
Am running the latest CentOS5 with Bind. Bind will run for a period(time period unknown) the shutsdoown. We need to every day start the service. When the service starts there are no errors given.
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May 4, 2010
setting up Bind for web-hosting as i am using Webmin to configure it?
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Aug 15, 2010
I had centos 5-5 server with 6G of RAM and 4 core cpu 3GHZ i installed bind 9.7.1-p2 on my server with multi thread support there are a lot of dns requests on my server , about 2500 Packets/sec and 3Mbit UDP traffic but my server response week to most of them.
For example when i use nslookup or dig command to query Yahoo.com the response from server maybe deliver about 5 Sec or become timed out , but sometimes response time less than 1 sec!
I don't know why, perhaps kernel works week so i decided to do the following :
But the problem didn't solved
I previously had Freebsd with same version of bind and same configuration and everything worked fine.
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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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Mar 11, 2011
I installed BIND 9.7.3 from source on Centos 5.5, and chrooted it, and I'm getting an error when I run 'service named status' I get a reply, but at the end it says 'named dead but pid file exists'
Here's the entire output:
[root@ns etc]# service named status
version: 9.7.3
number of zones: 23
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is OFF
recursive clients: 0/0/1000
tcp clients: 0/100
server is up and running named dead but pid file exists Nothing is logged in /var/log/messages. Named is running and responding correctly. How can I get rid of this error?
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Apr 30, 2011
i have xp and virtual guest centos 5.i install apache, bind, squid and webmin through xp, i can access URL...but when i start my squid, put the ip in the browser proxy settings, when i logon its ip turn to URL...I believe my bind is working. Though theres some little glitch. I dont know where.and i already put my servers bind ip to my winxp primary dns server settings.
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Jul 2, 2011
I can't get the client server to authenticate to the openldap server. I can authenticate on the server itself though. I can su to, login and shh into the openldap server and become a ldap user. I just can't become an ldap user on the client.I didn't setup TLS/SSL. I can do that after I have it working. I'm using hashed passwords though. I don't have replication setup. I'm am tying to setup the most basic openldap environment then build from there. I have read the openldap section in the admin guide.
My setup at home.
Openldap server � light.deathnote.net -- 10.0.1.21
client server � vm-centos01.deathnote.net � 10.0.1.7 -- VM on virtualbox
Virtualbox host � L (OS MAC) � 10.0.1.2
router (apple airport extreme) / default gatway � 10.0.1.1
All computer can reach the internet and ping each other. When I installed centos I disabled SELinux.I used these guids to setup my openldap.
[URL]
Below I have included some output from the files I'm using with openldap.
[root@vm-centos01 ~]# tail /var/log/messages
Jul 2 09:25:33 vm-centos01 xfs: nss_ldap: reconnecting to LDAP server (sleeping 16 seconds)...
Jul 2 09:25:49 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://light.deathnote.net: Can't contact LDAP server
Jul 2 09:25:49 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://10.0.1.21/: Can't contact LDAP server
[code]....
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Aug 26, 2011
I have setup two BIND9 servers as slaves for an internal Windows domain. I receive messages in my logs about a Windows server not being the master for the slave domain on BIND. I have placed the allow-notify statement in the global options section of named.conf, as well as setting the IP address in the masters section of the zone. I'm confused as to why I'm still getting this error message.
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Apr 3, 2010
I've searched through google, and all I can find are instructions on how to set up a L2TP/IPSec VPN that works with macs and iPhones. I'm NOT trying to set up an L2TP/IPSec VPN. I'm trying to set up a pure-ipsec vpn.
The iPhone IPSec client is a built-in cisco client, I believe. I'm staying away from L2TP and PPTP because I need multicast packets to go through. *edit: wow, i just noticed that the title says "8.10 LTS". Oops! I obviously mean "8.04 LTS". Gah, the lack of sleep got to me.
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Aug 3, 2010
I've been having this problem since 10.6 released, but have until now been successful with the "just use Thunderbird" response. My sendmail server hasn't been changed, but as clients upgrade from OSX 10.5 to 10.6 suddenly mail.app will no longer connects to send SMTP messages through the server. (IMAP connections to the same server using the same user/pass combinations work perfectly) When I look at the logs, things basically stop right after the STARTTLS command.
Google indicates alot of people are having similar problems, but I'm not seeing any solutions. Do any of you administrate sendmail servers where some of your clients are using Apple's Mail.app on Snow Leopard, and if so what settings are you using? At this point, I'm happy to make changes to the server to accommodate Apple's issue, I have too many Mac users connecting to my server. I just can't figure out what to change. I've enabled virtually every possible login authentication combination, and none of them work.
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Jan 8, 2009
I can't seem to get the X server to allow access from clients on other hosts. (I know, not exactly a network problem, but. I made the change in /usr/share/gdm/defaults.conf to be : DisallowTCP=false
and this worked on another CentOS system, but it hasn't fixed it on this one. What other things could prevent other clients from connecting to the X server? From the local host, I get :
Warning: Tried to connect to session manager, Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed although the client DOES actually create the window and work! So, maybe this message is a clue.
From the remote host, I get : Error: Can't open display: 10.10.1.20:0.0 Which is not terribly informative. Is there a log somewhere which details why a connect request was denied? The files in /var/log/gdm are not very informative.
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Jan 11, 2011
i have openldap server with phpldapadmin as a gui, i'm gonna use the ldap server just for address book.you can see in the picture how i built my ldap db.
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May 26, 2011
I have setup openldap and samba for authenticating Windows and Linux clients on my server. They are working fine. Windows users are getting authenticated through server as Primary Domain Controller and Linux clients directly from Openldap directory. But I have little problem that is I want to mount home folders created on server to be available on clients so clients get a centralized storage with some quota on both Linux and Windows clients. Can you help me please how can I do that.
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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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Dec 31, 2010
I have installed bind with yum install bind bind-chroot.I am having query timeouts due to no ipv6 connectivity.Is there a way to re-compile and not loose the chroot structure?Or is there another way to disable ipv6 lookups?Example of issue resulting in ipv4 query timeout:
30-Dec-2010 17:52:03.226 client x.x.x.x#53593: view internal: query: paypal.com.cms.local IN A +
30-Dec-2010 17:52:03.227 client x.x.x.x#53594: view internal: query: paypal.com.cms.local IN AAAA +
30-Dec-2010 17:52:03.228 client x.x.x.x#53595: view internal: query: paypal.com IN A +
[code]....
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Mar 21, 2011
I installed bind & did not install chroot. I set up a fictional domain kelly.local. I am able to resolve FQDN (example: angus.kelly.local) in both dig & nslookup & ping on linux boxes.
I want to be able to resolve bare host names (example: angus) using bind. I get mixed results.
(1) linux boxes resolve bare host names & FQDNs just fine using nslookup & ping, but not dig. dig gives error:
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_5.3 <<>> angus
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15241
[Code]....
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Sep 1, 2010
I'm new to Centos 5 (and Linux) and, after installing Centos, I configured Samba, Apche, ... w/o problems (through interactive interface). My problem is tha t I need to use DHCP (all our clients use dynamic IP addresses for the ease) but I don't find dhcpd ... nor the sample config file(s).
Note : the new server I intend to use is actually connected on a LAN with an 'old' DHCP server (still under W2K server), is this the reason why I can't find/activate dhcp on my new machine ???
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May 31, 2011
I have updated bind using yum on a Centos 5.3 server, after restarting, I have this error now.
Error in named configuration:
zone localhost/IN: loaded serial 42
/var/named/mydomain.hosts:20: unknown RR type 'SPF'
My version of is : bind.x86_64 30:9.3.6-16.P1.el5
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