Debian Configuration :: Bind - DHCP And DDNS ?

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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Debian Configuration :: DDNS (dhcp+bind9) - Wrong PTR Records In Reverse Zone?

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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CentOS 5 Server :: Ddns Update With Dhcp Don't Work?

Jul 27, 2010

i've installed bind and dhcp. I'd like to update dns automatically by dhcp. For the reverse-lookup-zone everything works fine. But for the forward-lookup-zone there is still the message denied. But i cannot see a mistake.

dhcp:
#
#
# DHCP Server Configuration file.

[Code]....

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Debian Configuration :: Bind - Zone Configuration Error?

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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Server :: Getting The DDNS Configuration In RHEL 5.2?

May 18, 2011

Friends i got an opertunity to configure ddns in my office.I already configured staic dns in linux, but this is the first time iam configuring ddns.I just configured ddns in rhel 5.2 in my office.So far every thing working fine,dhcp is giving ip address to the clients and both forward and reverse dns database is updating.

1) In windows we can use flushdns and registerdns commands to update the dns database, like this any command is in linux to update client details in dns database?

2)how to restrict multiple client entries keeping in dhcp database.

3)if i change client hostname it is not updating the dns database,it is keeping the old one.

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Debian Configuration :: Migration To Bind 9.10 In Wheezy 7.1

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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Debian Configuration :: Bind A Port To Interface

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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Debian Configuration :: Can't Bind Webcams To Exact Names

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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Debian Configuration :: Internet With Isc-dhcp-serve

Jul 27, 2015

I need to shear internet i use isc-dhcp-serve and it work but internet doesn't work i have triad so many commends but still networking ... My setting is eth0 - wan eth1 -local

iface eth1 inet static
address 192.168.42.6
netmask 255.255.255.0

dhcp

authoritative;

subnet 192.168.42.0 netmask 255.255.255.0 {
range 192.168.42.10 192.168.42.50;
option broadcast-address 192.168.42.255;
option routers 192.168.42.1;
default-lease-time 600;
max-lease-time 7200;
option domain-name "local";
option domain-name-servers 8.8.8.8, 8.8.4.4;
}

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Debian Configuration :: VM Is Assigned IP By DHCP At Reconnect

Oct 1, 2015

I'm running jessie on virtualbox.

I set staticIP at /etc/network/interfaces.

When I stop/start vm(not restart), dhclient becomes up and ip is assigned by dhcp. Why?
--------------------------------
yoshi@vbox:~$ uname -a
Linux vbox 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1 (2015-05-24) x86_64 GNU/Linux
--------------------------------
yoshi@vbox:~$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

[Code] ....

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Debian Configuration :: DHCP For Multiple VLANs

Feb 7, 2016

I'm trying to setup a DHCP server that serves several different VLANs, we have 5 in total. Our network is working correctly, with static IPs, we're able to ping across without any issues.

When I connect my debian box to an interface on VLAN5, statically assign an address in the correct range, it works. Similarly with all other VLANs.

To configure this box as a DHCP, I set one of the ports on the switch as trunk, connect that to the debian box to allow all VLAN traffic to reach my debian box.

I setup DHCP following the steps on [URL] ....

Then I configured different VLANs by following the steps on [URL] .....

However, with the vlans setup, I am unable to ping anything. This is essentially what I did.

Code: Select allSet the port on the switch to trunk with 802.1 encapsulation
disable eth0
vconfig add eth0 5 # to add vlan 5
ifconfig eth0.5 192.168.5.254 netmask 255.255.255.0 up
vconfig add eth0 5 # to add vlan 10
ifconfig eth0.5 192.168.10.254 netmask 255.255.255.0 up

[Code] ....

I do not know why I am unable to get any connectivity through my VLAN interfaces.

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Debian Configuration :: How To Setup DHCP On Computer

Mar 11, 2010

using Debian 5.0, GNOME desktop.my DSL service was to be connected today.the problem is my DSL light keeps blinking.ethernet light is solid.how do i setup my DHCP on my computer

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Debian Configuration :: DHCP And The Desktop Responsiveness?

Aug 15, 2010

I am connected to a network using any interface (eth0, eth1, or wlan0) that if my ip address was given out (dhcp) that my desktop responsiveness gets worse. Specifically the mouse has a sort of "sticky" feeling. I mean by that that I'm moving the physical mouse and the cursor is getting stuck here or there on the screen. It is extremely annoying. Here is my config file:

beethoven:~$ cat /etc/dhcp3/dhclient.conf
# Configuration file for /sbin/dhclient, which is included in Debian's
#dhcp3-client package.
#
# This is a sample configuration file for dhclient. See dhclient.conf's

[code]....

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Debian Configuration :: Host Name Not Broadcast To DHCP

Dec 21, 2010

I have setup a few machines within my house. The Debian Squeeze machines do not provide a host name in the DHCP client list on my router. Strangely, my Ubuntu, Android, and Blackberry machines do show host names. I have noticed the same behavior when wirelessly tethering my Debian laptop to my Android phone (which also uses DHCP). Is there something I need to enable to have the name show up on the router?

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Debian Configuration :: Eth0 Keeps Reverting To DHCP?

Feb 19, 2011

Freshly installed Lenny system. Edited /etc/network/interfaces to use a static IP:

# The loopback network interface
auto lo
iface lo inet loopback

[code]...

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Debian Configuration :: Can't Find Dhcp Initscript On 6

Mar 4, 2011

I have installed dhcp3-server via apt-get install dhcp3-server, but I couldn't find any initscript. So, how can I start and stop it properly ?

For now , I have added "dhcpd" line in rc.local.

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Server :: Install Bind In Dns And Dhcp And Dc?

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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Debian Configuration :: How To Configure A DNS / DHCP / Directory Server

Jan 17, 2016

Setup a DNS/DHCP/Directory server on Debian? I would like to configure the things in Debian so that can join Linux and Windows(if possible as m not sure yet) clients to the directory server. Any links to setup both Forward and Reverse lookup zone in the environment.

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Debian Configuration :: Static IP Switching Back To DHCP

Jul 15, 2010

I'm new to the forum and actually to Debian as well. Have been running Ubuntu for the past few years. Just setup a small Dell laptop to use as a Squeezebox and Print server. It's been up 6 days without a hitch as far as serving music to the squeezebox and printing. The problem is that it loses it's static IP, so as long as I look it up and change the radio Squeezebox and printer definitions around on the clients everything keeps working.

Does anyone have any ideas?If the connection drops for some reason and the system has to re-initialize the connection, shouldn't it use the /etc/network/interfaces file and get back to the static IP that it is configured for?If anyone has any ideas of why this could be happening or have a solution, I would really appreciate the help.

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Debian Configuration :: No Net After Changing DHCP Server Other OS Works?

Dec 15, 2010

I just put a pfSense firewall inbetween my ADSL router and my LAN. It's configured to have a cachng DNS server and a DHCP server. Among other things. For reasons beyond this post the address range served by DHCP changed from 10.0.0.x to 192.168.1.x. The new DHCP server gives 192.168.1.1 as gateway and DNS server name and not the public IP addresses of our internet provider.

After reconnecting our client machines everything worked just fine on the win-xp boxes, but the Debian Squeeze servers and Ubuntu 10.4 clients all started to get network timeouts. If I ping public websites it works but browsing to the same servers fails. Other services like POP3 and IMAP also fails. All machines use WiFi to connect and the access point is the same as before.

What could it be that make the debian boxes fail? My laptop runs squeeze too and also fails. But when connecting to various other access points at hotels and such I do not get this problem.

Another weird thing is that the debian server running virtualbox cannot do things online but the virtual windows boxes running on this machine can. Weird! Where should I start looking? How is networking/dhcp clients on Debian different from Windows XP?

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Debian Configuration :: Use Specific Address For Dhcp Server?

Apr 27, 2011

I'm running gnome desktop on squeeze system. When I boot my system seems to be using my internet modem as its dhcp server. The rest of the machines on my lan are correctly using my router for that purpose. As a result, what happens then is that my debian machine frequently gets a duplicate ip address assigned to it. I would like to specify to my debian computer that I want it to use the specific fixed ip address of my router for dhcp purposes.

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Debian Configuration :: DHCP Server In Squeeze Appears Broken?

Dec 3, 2010

Alright, I edited "/etc/default/isc-dhcp-server" and set "eth0" as the only thing listed for interfaces. I also have the code below in "/etc/dhcp/dhcp3/dhcpd.conf" and I even copied it to "/etc/dhcp/dhcpd.conf" for good measure, and I can't get the DHCP server to start. As an intermediate to advanced user, I am under the high assumption that it is broken since everything in the docs has been set. I have googled for two days and cannot find a fix, so before I report it as a broken package, would somebody with more experience with the package chime in?

Configuration file:
subnet 10.0.0.0 netmask 255.255.255.0 {
option domain-name-servers 10.0.0.254;
option broadcast-address 10.0.0.255;

[Code].....

I hid my wireless setup because it contains my WiFi network info including key. This box is routing, doing DNS resolution, and firewalling just fine. I just cannot get the friggin' DHCP server to start no matter what I try.

Oh, and is it safe to delete "/etc/dhcp" or "/etc/dhcp3"? They appear to be duplicates of each other...

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Debian Configuration :: Slow Boot Waiting For DHCP On Wire?

Mar 23, 2011

Up until very recently I've had a wired network, and at boot I'd see messages about DHCPREQUEST and DHCPOFFER and stuff as it set up the wired network.

Now I've just got wireless working instead, but it still tries to use DHCP on the no-longer-existing wired network. So it says "DHCPDISCOVER on eth0..." and waits for a bit, then again and waits again, and all the time the boot is waiting for a reply to its DHCP requests and it's not going to get one. It doesn't seem to do any harm, because once it's given up and proceeded with the boot then the wireless does seem to work fine, but I'd like to speed up the boot a little by cutting out this needless waiting. Has anyone got an idea how I can stop it? I tried in Preferences-Network connections and in Administration-Network, and in System Tools-Network tools, and also from the network icon in the task bar, but I can't find anything which lets me configure the wired network eth0 or disable it or disable the DHCP.

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Debian Configuration :: How To Assign Specific Local IPs In Home LAN Using DHCP?

Apr 29, 2011

I have some beginner questions about DHCP, Avahi, and configuring a small home LAN.Suppose I have a dynamic IP address assigned by my ISP, which requires DHCP be enabled in my dsl modem/router/"firewall" [sic]. Suppose for simplicity I have just one PC behind the dsl modem.I think "enabling DHCP" in the modem/router means that a DHCP client runs on the router, which communicates with a DHCP server run by my ISP when I boot up a PC on my LAN. Is that guess correct? Can I get DHCP to assign a particular local IP, say 192.168.1.10 (which is not the one taken by the router--- for this discussion, let's say that is 192.168.1.0) to my PC each time I boot it up?

Now suppose I want to build a stand-alone firewall, so that my LAN will have the firewall and the first PC behind the modem, with the first PC virtually behind the firewall. By default, I think these will both have DHCP clients running which I need to configure properly. The firewall should also have a DHCP server which should control how local IP addresses are assigned, correct? I should try to arrange that the LAN has only DHCP server, only one NTP timeserver, only one DNS nameserver, correct?My first PC seems to have installed an autorun client called Avahi, which performs DNS multicast services and incorporates something called zeroconf which seems to have something to do with remote desktops, which I don't need and which is a potential security hazard. But it seems that Avahi is an intrinsic part of the KDE desktop and cannot be removed. Just want to be sure that Avahi can coexist comfortably with dhcp3-client, which is also installed on that PC. They perform different tasks, correct?If I can get the stand-alone firewall to work, I know I need to turn off the commercial firewall in the dslmodem/router/firewall device. Should I purchase a bridge and try to turn off the routing function also?

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Debian Configuration :: Setting Up A VPN & DHCP Server - Connect And Share The Internet

Aug 24, 2010

I have a home Debian server running, and i would like to set it up as a gateway. I have 2 networkcards in it. So internet comes from the modem and on the other card i want to setup a dhcp server and it has to share the internet. But i want it also to connect to a vpn and share the internet of the vpn.. Is that possible?

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Debian Configuration :: DHCP Client Don't Start With /etc/init.d/network Restart?

May 28, 2011

I installed the latest Debian on a computer to make a backup appliance. No GUI.When the computer starts, everything is okay. The DHCP client is running, the network interface have an address, fine.If I do a /etc/init.d/network restart (or stop + start), no more DHCP client. t is stopped when the interface is down. When the interface is up, I have to start it manually.1 - is it normal ?2 - isn't ifup's job to launch the dhcp client ?3 - can /etc/network/if-up.d be the right place to resolve this ?

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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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Debian Configuration :: DHCP Server With External Dns Name Server

Jun 14, 2011

I wanted to setup my server as a router/gateway just for educational purposes and also when it succeeded i will keep the gateway and place it on the front line right after my modem.

My current setup as it is now :

The GATEWAY/ROUTER will be doing the main work to act as a dhcp server and firewall.

Now my setup as it is now :

So now what i ment to do was :

Let the clients connect to the gateway via ETH1 and all the stuff being router to ETH0 which is the NIC that is connected to the internet.

But now i have two huge problems :

1. The DHCP configuration seems to be fine the client machines get their ip adresses and /etc/resolve.conf looks fine to. But somehow the GATEWAY/ROUTER wont let me use the specified external DNs server so i cant do anything on these machines.

2. The firewall script [url] at line 27 should be DROP but if i use this line of code the GATEWAY/ROUTER cannot use his dns server settings so when i try to browse the internet or ping a machine outside my local network it would came up with nothing.

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General :: Can't Add Zones With BIND Configuration GUI

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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Networking :: Bind 9.3.6 - P1 Installation And Configuration On OEL 5?

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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