CentOS 5 Networking :: BIND / DynamicDNS / DHCP - Unable To Add Reverse Map?
Jul 14, 2009
I am going barking mad with this - I have forward mapping working fine, but my system simply refused to add in the reverse mapping.Anyway can someone with a clearer head and more knowledge have a look at my configs and see if they can point me in the right direction.I've setup the keys and permissions and they seem to be working, local UNIX file permissions are named.named and even 777Nothing seems to create reverse mappings - no PTR records etc.Weird (I am 99% there to blowing my stack and giving up after 4 days of buggering around).
(A) my dhcpd.conf
==============
authoritative;
[code]....
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Nov 29, 2010
I setup 2 servers for DHCP and DDNS failover. But I see only Master DNS can update to db. file. When I disconnect Master, the Slave can release new IP to client but can't update record to db. file.
Error:
Code:
bdc named[878]: client 192.168.100.2#36203: signer "rndc-key" denied
Nov 28 22:42:22 bdc named[878]: client 192.168.100.2#36203: update forwarding 'systeminteg.com/IN' denied
[Code]....
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Oct 12, 2009
I am using RHEL5. These are my config files:
Code:
options {
listen-on port 53 { 127.0.0.1; 192.168.14.54; };
listen-on-v6 port 53 { ::1; };
directory "/var/named";
[code]....
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Jul 23, 2009
I have Centos 5 installed on a PC in the local network. I have installed the RPM dhcpv6-client-1.0.10-16.el5.i386.rpm on this PC to configure it as DHCP V6 client. The RPM was installed successfully, and I have done modifications to the following files:
1. /etc/sysconfig/network, set the networking to yes.
2. /etc/sysconfig/network-scripts/ifcfg-eth1 set the BOOTPROTO=DHCP.
Now the problem is when I start the client on this pc as dhclient, it throws the following errors, and logs out after some time. All the network configurations were lost and the PC gets disconnected from the network.
[root@ServerB]# dhclient
Internet Systems Consortium DHCP Client V3.0.5-RedHat
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
[Code]...
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Nov 8, 2010
I am unable to install DHCP in Centos 5.5.
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Nov 9, 2010
I am trying to learn dns on my ubuntu 8.When the client tries to register is see the following error in the syslogunable to add reverse map from 10.1.168.192.in-addr.arpa. to tftpadmin-desktop.bbnl.iNot sure where i am going wrong. If somebody can help me out here, that will be a great help.the configurations are as follows
tftpadmin@bbnldmn:/etc/bind$ cat named.conf.local
//
// Do any local configuration here
[code]....
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Mar 25, 2010
This morning, our NIS master server down (due to ram prob), and what happen is all the sun servers able to bind to NIS Slave, but not Linux servers.
Details:
sun_server[sab]% telnet linux01
Trying 10.x.x.x...
Connected to linux01.
Escape character is '^]'.
[Code]....
Where is the prob, in Sun or Linux? In Linux, how to make it able to failover to NIS slave?
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Jun 3, 2011
I've configured my dhcp server to update dynamically the DNS zones of BIND9 name server. Everything works ok, except for reverse nslookup:
nslookup 10.141.50.3
Server:127.0.0.1
Address:127.0.0.1#53
[code]....
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Mar 27, 2010
I am at first stage of installing dns after installation of redhat 5 am unable to install any package like yum install bin* and yum install cach* and it displays no match for afgument and nothing to do what could be the problem with my redhat installtion and what should i do for this type of problem and explain me how to install bind in dns and dhcp and dc.
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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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Nov 7, 2010
I am having a problem getting a wireless network connection on my DELL laptop running CentOS 5. I have no problem getting a wireless connection when the laptop is booted in Windows XP. I also don't have a problem when booted under CentOS 5 and there is no authentication setup on the wireless router. I only have a problem when I setup authentication. The router wireless log shows the PC connectinng, authenticating, and succeeding authentication.I am using the Broadcom Hybrid-wl wireless driver.
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May 19, 2009
i did configure as it was advised on [URL]... but it didn't work. for eg I added eth0:1 and eth0:2 on /etc/sysconfig/network-scripts/ when i do ifconfig i can see only eth0:1, i cannot see eth0:2, eventhough i configured as it was on the tutorial
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Mar 31, 2010
I am trying to configure a BIND DNS server to handle three websites on my home network, (my site, my sons site and our test site). Since my ISP uses dynamic DNS, we are using DNS2GO to redirect our traffic, 9EACH SERVER HAS IT'S OWN VERSION OF dns2go running).My problem is that I can't figure out how to configure BIND since I don't have a static IP to enter into the named.conf or reslov.conf configuration files.
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May 26, 2009
I am having a problem with when I bind a static IP to my NIC I loose all network connectivity but, if i leave it set to dhcp it works fine. I've gone over all my settings a thousand times and they are all correct. Has anyone else had this problem or give me a hint as to what the problem might be?
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Mar 4, 2011
I am bit new to Linux and have setup caching-only name server with Centos 5.5. when i do dig server, it provide resolutions. but when i use the server IP as DNS on my windows client, it says, "connection refused" on the NSlookup output. (IP table didn't enable) My server Ip is 192.168.1.253 and bellow is the configuration of "/var/named/chroot/etc/named.conf"
options {
listen-on port 53 { 127.0.0.1; 192.168.1.253; };
listen-on-v6 port 53 { ::1; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt"; .....
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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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Aug 26, 2009
Does anyone know where I can find RHEL compatible rpms for Bind 9.7 and DHCPD 4.1?
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Feb 17, 2010
Linksys router and an acer aspire one. I have updated to the 9.10 netbook remix and the laptop associates with the router but will not pickup dhcp. If I specify an address then the machine looks like its connected but will not go to a website. I manually inserted dns but still nothing. So I updated to
linux-backports-modules-karmic-generic
linux-backports-modules-wireless-karmic-generic
Still will not use DHCP , I to am using ethernet at the moment. It was working before the update.
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Mar 22, 2010
I'm using Ubuntu 9.10, and I want DHCP to assign an IP address automatically. I can ping my router, and get a reply. I just have no idea how to do this.I'm trying to get my Ubuntu machine onto my Windows network.
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Apr 7, 2010
I have an existing home network with fixed ip's. I'd like to connect a "dish network" HDTV box into the network but it can't use fixed ip's. So is it possible to use one of my computers and setup a DHCP subnetwork?
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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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Feb 9, 2010
how to configure DHCP server on centos linux and how to configure FTP server on centos linux
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Jan 25, 2009
Assume I installed originally CentOS Desktop with IP receiving from DHCP server.Later I decided to assign a fixed IP to the local CentOS installation.How do I switch (permanently) the dynamic DHCP IP assignment to a fixed IP?
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May 7, 2010
I have installed Centos 5 on a virtual machine (esx4i). I set it to obtain an IP address from the DHCP sever, which is a broadband router, it has been given an IP address of 10.10.11.159 the router is 10.10.11.1 but I can't ping the router and I can't get any access to the network! I have a SCO Openserver server on the same physical box and it works fine so I know the network card & cable is ok.
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Jun 5, 2010
using the LDAP as storage of hostnames/IPs/MACs for the DHCP server on CentOS.Also once the IP is allocated via DHCP to the hosts,it would be useful to insert such host into the DNS. (BIND? dnsmasq?)I've found this link [URL] which deals with a patch for the ISC DHCP package, but I don't think this is actually up-to-date.
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Aug 6, 2009
I am attempting to get this network card running under CentOS 5.2 but have had no luck. Some sites say to use the sk98lin driver, others the skge, which I can't find at all. I have tried multiple versions of the driver in rpm but none seem to work. The card shows under the network manager but will not get an IP address from the DHCP server.
Here are the outputs for this card.
uname -rmi
2.6.18-92.1.10.el5 x86_64 x86_64
lspci -m
04:01.0 "Ethernet controller" "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)" -r11 "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)"
lspci -n | grep "$(/sbin/lspci | awk '/net/ { print $1 }')"
04:01.0 0200: 1186:4b01 (rev 11)
lspci -vv
04:01.0 Ethernet controller: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) (rev 11)
Subsystem: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5750ns min, 7750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 121
Region 0: Memory at febfc000 (32-bit, non-prefetchable) [size=16K]
Region 1: I/O ports at e800 [size=256]
Expansion ROM at e0000000 [disabled] [size=128K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data
How to get this working as we have 3 of these cards for computers without a Gb NIC and I don't want to fight with it 3 separate times.
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Apr 19, 2010
I decided to take the plunge and change the existing static ip configuration for my home network to a dynamic (DHCP) configuration. The DHCP server in this new network config is my gt701-wg actiontec DSL modem.
[Code]....
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May 13, 2010
I'm trying to make a DHCP server work on my CentOS 5.4 box, but I have placed it on another subnet than the one that it is going to serve. I use a helper address on my router to make the the DHCP requests being routed to the DHCP server on the other subnet.
dhcpd.conf file:
ddns-update-style interim
ignore client-updates
ubnet 10.160.195.160 netmask 255.255.255.224
[code]...
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May 26, 2010
I am having several boxex with centos on it. No pb. I have recently setup a new box with centos 5.4 and I am not able to get the network working on it when configuring a static ip.I've configured eth0 and dns using "setup": unsuccessfulI've used the network config GUI: unsuccessfulAnd it is working very well when I let the dhcp getting the setting.I need a static IP.Here is the getinfo output when static ip setup, and below it, the getinfo for dhcp setting
== BEGIN uname -rmi ==
2.6.18-194.3.1.el5 i686 i386
== END uname -rmi ==
[code]....
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Nov 24, 2010
I have a Lan with 100 computers with microsoft windows xp and vista on it, and I need to build a CentOS Primary domain control- PDC. So I am building a PDC , with samba 3.x +Ldap ( Light Directory Acess Protocol), with static eth0 and DHCP-server( Dynamic Host Control Protocol) on eth1.
Eth0 : 192.168.1.3
Eth1 : 192.168.1.5
Here is the configurations files:
== BEGIN uname -rmi ==
2.6.18-194.17.4.el5 x86_64 x86_64
== END uname -rmi ==
== BEGIN rpm -q centos-release ==
centos-release-5-5.el5.centos
== END rpm -q centos-release ==
== BEGIN cat /etc/redhat-release ==
CentOS release 5.5 (Final)
== END cat /etc/redhat-release ==
== BEGIN getenforce ==
Permissive
== END getenforce ==
== BEGIN rpm -q yum rpm python ==
yum-3.2.22-26.el5.centos
rpm-4.4.2.3-20.el5_5.1
python-2.4.3-27.el5
== END rpm -q yum rpm python ==
== BEGIN ifconfig -a == .....
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