Server :: Bind Receives NOTIFY For External View But Not Internal?

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:


key "external" {
algorithm hmac-md5;
secret "xxxxx";
controls {
inet allow { localhost; };


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CentOS 5 Server :: BIND Notify From Non-master?

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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Networking :: Bind External IP Address To Internal IP Address?

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, to and on the server it see's the external IP address.

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Ubuntu Networking :: Internal DNS Server With BIND ?

Aug 29, 2010

Basically, i want to be able to type a domain in my browser e.g. and it direct to the ../www/default folder on the Ubuntu Server on my network. The reason being is that as a web developer i have a number of sites that i'm working on locally and i'm getting tired of adding the domain to my hosts file and then creating a virtual host in Apache - i believe this can be done with BIND - is this right? If so what steps are required?

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Networking :: Creating Domain Name In Bind Exposing Bind To Internal Network

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 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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Server :: Using BIND To Resolve Internal Non-FQDN Names

Sep 3, 2009

I have an RHEL5 server running BIND. I'd like to be able to resolve internal, non-FQDN names such as "wiki" for the company internal wiki. in my named.conf file...Named-checkzone returns no errors, and nslookup works when specifying the server explicitly, but no browser resolves the name when entered in the address line. I know this by no means a standard use of BIND, but I'm sure someone out there's pulled this off. I did see when googling someone suggest "load the root zone (.) as master, and add your "hosts" as TLDs, using CNAMEs", but tried that and probably did it wrong since it didn't work.

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CentOS 5 Server :: Cannot Get Bind9 Internal View Served To Connecting Vpn Client.

Sep 25, 2010

I have a white slate centos 5.5 installation on a virtual box at Media Temple (one of their new VE servers). I am trying to create a development environment where I can have Bind9 serve up one set of zone files to me and other developers on the internal network and another set of zone files to external requests (ie... using the views feature). I would like to be able to develop for sites for which the dns is not yet pointed at my server. The network is created by having the VE server be an OpenVPN server, and connecting my client box to the server (my mac - / my ve server

I have the connections working fine, I have also been able to route all network traffic from my mac through the vpn to the server. For some reason, I cannot get the DNS server on the ve server to serve me an internal view zone file. When my vpn is on, I cannot ping or navigate to any web pages from my mac. I think this is because my ve server is not setup as a dhcp server and the ip tables are not setup to allow all internal requests to use the server to go get web pages.

I cannot view-ping anything else from my mac/client when on the vpn, I can successfully ping any website my ve is authoritative for. This tells me that my ping is obviously going over the vpn, and thus an internal request, but the external zone file is still served up. The following is my named config.

acl "lan_hosts" {;;


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Server :: Configure Internal Zimbra Server To Use External Server To Send Mails?

Feb 16, 2010

I have got a running mail server on CentOS5.4 Final using Zimbra free edition. . Assume that domain is And it is running fine with users created and bugzilla running on the same machine can send mails using this server. But it can obviously send messages to the internal users. There is this option to configure it to use external mail server to send mails outside the network but my external smtp server needs an authentication.Is it possible to configure it this way to use my external server to send mails from internal domain to say gmail?

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Server :: DNS Resolution For Internal And External Clients?

Nov 22, 2010

we have a DNS server is being used for external clients .Recently we installed awstat monioring tool in ordr to collect either ftp or mail statistic. Since our server is DNS server by defenition we may see all external clients requests to the ftp/mail services .But a LAN clients cannot be resolved by their IPs . The second nameserver line doesn't work. DNS server's conf file looks like :

nameserver LAN_IP_Address

How to configure the server it will resolve both external and corporate clients ?

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Ubuntu Networking :: Can't View External IP Links To Http Server On Same Machine

Sep 1, 2011

I have an apache server running on my ubuntu machine. I can view them using my local ip ( And my friends can view the things hosted on my server using my external ip (example but when a friend links back to me to show me what they are looking at and share the moment, I can't view the link, it simply redirects to my router login page.

I had an older linksys router and this could work fine. I could click on the links with my external IP and it routes back to my server for viewing.

Remember to note that I am on the machine that has the server, and I'd like to be redirected out and back to it so we can share pictures back and fourth without me having to replace the external IP address with my local one just to view that link in the browser.

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Server :: Configure Sendmail To Use 2 Different Configurations Of Virtusertable As Access Was Being Made From Internal And External Institution?

Feb 10, 2010

how you I can configure sendmail to use 2 different configurations of virtusertable as access was being made from internal and external institution?

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General :: How To Change Xfs Journal From External To Internal / If External Log Is Gone

Dec 27, 2010

I have an external hard drive with an xfs partition on it. It was using an external journal, but in re-installing Slackware I removed the partition holding the external journal, forgetting what it was at the time. I didn't touch the contents of the external hard drive, but now I can't mount it and the various xfs programs seem to demand that it be mounted in order for them to change anything.Anyone have any ideas on how to change an xfs partition from external log to internal? Failing that, how do I get the information off it?

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Server :: Send A Mail From Outside The User Receives?

Jan 28, 2010

i have ipA -> web server
and ipB -> mail server

when i send a mail from outside the user receives it but when i send it from my web server in mail logs i get the following error

relay=[] [], dsn=5.1.1, stat=User unknown

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Server :: What Is Bind Vs Bind-chroot Vs Caching-nameserver?

Jul 8, 2011

what is bind vs bind-chroot vs caching-nameserver ?what is the different between eatch others ?

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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 zone file:

Code: IN A 11.22.333.44 1H IN A 11.22.333.44


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Ubuntu :: Internal But Want To Boot With External?

Aug 5, 2010

i have a laptop that just recently had a hard drive fail so i removed it i have an160 gig external that i want to install Linux on so i got the live cd version of Ubuntu started it up pluged the external drive in whent through the install and set it to boot first but when it boots i get this it says missing modules cat?/proc/modules;is/dev and so on what did i do wrong

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Security :: Allow Internal Ips And Block External Ips?

Jul 19, 2010

Im running Centos 5.4 with a sftp server, and I�d like to allow all 172.16.0.x ip and 192.168.0.x ip and block everything else. Does someone have a good way to do this with IPTables or any other opensource FW?

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OpenSUSE Install :: External HD Not Seen And Internal HDD On /dev/sda2

May 9, 2010

Since a few days i can no longer use my external hard drive (USB). During my quest i noticed the following things: Running openSUSE 11.2 / KDE 4.4.3 / single boot My internal HD is on /dev/sda2 (mounted /) partition manager (YaST) or gparted don't start up (they just hang during start-up) I had to change permissions suddenly to read a CD (i was not in de cdrom group, but i have been using CDs for a while)

> df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 113306052 84757232 22793136 79% /
udev 2052352 4140 2048212 1% /dev


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OpenSUSE Network :: SSH Working For External But Not Internal?

Jan 14, 2010

I have a SuSE server (sorry but no idea what version of SuSe it's running.. I'd take a guess at 10.0) on a network with several other SuSE servers. They are all able to be SSHed externally as well as internally and all have their local firewalls disabled. I just had to reboot one of the servers and it is behaving quite strangely. I am able to SSH in and out of it externally, but can't SSH in and out of it internally.

When trying to SSH out internally I get the message:
"ssh: connect to host *.*.*.* port 22: No route to host"
When trying to SSH in internally I get the message:
"ssh: connect to host *.*.*.* port 22: Connection timed out"
Using ssh -v doesn't give any more useful information.

I have double checked that the IP is correct and that the internal firewall is disabled etc. The external firewall hasn't got anything that would prevent it (and shouldn't be an issue anyway as it's an internal only problem... SSH externally works fine). Also, it might help to know that I have the same problem with ping. I can ping this server from an external system, but not from an internal one.

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Ubuntu Installation :: Install To External HD To Become Internal HD

Jan 31, 2010

I have an older laptop with a broken CD drive so I cannot boot the CD Drive with my ubuntu image. The laptop does not support booting from a USB drive either.So what I did was take the HD out of the laptop and using a USB enclosure plugged it in to my Win7 desktop. Then I booted from my Ubuntu CD and had Ubuntu install on the USB Drive. Took the USB drive off, and put it back in the laptop. It seems to work except it looks like it was installed with my desktop hardware. Also, every time it boots it starts at a recovery screen asking if for several boot options (including win7 which does not exist on the laptop!).

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Ubuntu :: Synchronize External With Internal Folder

May 8, 2010

How can I synchronize my external hdd to a folder on my internal hdd. e.g. when I change something on my external, the folder (on the internal) should be updated to the state of my external (deletes, changes, new files..). but I don't want to make this frequently, so I just need a command to do that. at best secure and without additionally installation.

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Ubuntu Installation :: Moving From External USB To Internal HDD?

Jun 16, 2010

Would this be a simple case of just installing a fresh copy of Ubuntu 10.04 on my HDD, then copying everything from the USB over? I, of course, would need to update grub to load from the HDD instead of the USB. Would there be any other way to accomplish this?

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Ubuntu Installation :: Cant Boot Internal Or External Hdd?

Jan 3, 2011

I just installed maverick netbook edition on an external hard drive, creating my own partition table. When I tried to boot the drive, grub rescue mode told me file not found. I installed again and used the default partition table and got the same error. I gave up and tried to boot my fedora 13 internal hdd but was told that there was no such device. I looked through these forums and ran a bootloader script and was told that my internal hdd had a bootloader but my external didn't. I tried to load the kernel through grub rescue, but the file system was unknown to grub. The files are still on my internal drive and I don't want to reinstall just to boot it.

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Ubuntu Servers :: External To Internal DNS Routing?

Jan 10, 2011

I have one external ip address and a few domains. Would it be possible to have each domain on a internal domain and the box that sits on that external ip route to the internal. This would be for a number of server (mail, apache, imap, pop3, https ) So for example:

Some visit ->external ip -> Someone else visit ->external ip -> and so one with a number of domains

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Ubuntu :: Want To Get TV Tuner (Internal Or External) Card

Feb 22, 2011

Way back in the day when I was running Windows I used a Compro Tv Tuner Card which had nice, easy to use drivers for XP. Now that I'm using Ubuntu, I wouldn't mind getting another Card myself (old one died on me) and was wondering what brand was the most linux friendly so to speak?

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General :: Forward Traffic From Internal NIC To External?

Jul 29, 2009

I have a (virtual) server with 3 NIC's: 1 external (inet), 1 local and 1 DMZ. This server is my gateway.
I would like my internal network, where every server has a static 192.168.0.x IP, to access the internet via the gateway.
That means the traffic has to pass from the 'local' NIC to the 'external' NIC, connected to the internet.
Which setting do I change to accomplish this ?

Please check the sceenshot (attachment) for my current setup

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Programming :: Declaring Variables In External And Internal RAM?

Mar 23, 2010

We have a STM32F103ZET6 microcontroller.It has an ARM cortex-M3 core.We use keil as compiler.We have both an external and internal SRAM.Now I want to declare variables in either of the RAM as I wish.For example some time critical section variables in internal and others in external.How to do this.?

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Debian Installation :: Install System To Internal HDD From External?

Apr 8, 2010

How can I install linux using an external hard drive? ANy help would be greatly appreciated. I dont have any CD's or anything and this is my only option.

SO how can I install linux FROM my external HDD ONTO my internal HDD?

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Fedora Servers :: Apache External IP To Internal IP Redirect

Feb 18, 2009

I would like to redirect a external IP to a internal IP, all done with Apache. Is that possible.

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Fedora Networking :: Internal Vs External WiFi On Laptop?

May 9, 2009

I've been wondering lately about what would be the best approach to take concerning WiFi on my laptop (or laptops in general) ? Understand my question concerning this is ONLY about performance and no other issue.

What is the better thing to do:

a) install a new (better) WiFi card inside my laptop,
b) remove the card inside my laptop and use a WiFi USB stick,
c) remove the card inside my laptop and use a WiFi PCMCIA card?

Is simply being external to the laptop going to give me better performance in terms of locating and using a WiFi connection? On the laptop I'm currently using I know that merely rotating the laptop can boost the connection signal strenght by 15% or more. So, I'm really wondering about this. btw, I'm seriously giving thought to glueing a 3 or 4 inch lenght of 1/2 inch pvc pipe to the lid of my laptop as a holder for a homebrew parabolic WiFi dish. The idea is to attach the USB WiFi stick to a piece of coat hanger wire. Then slide the bottom and top of the coat hanger wire into a piece of paper (that's had aluminum foil glued to it) forming a parabola behind the WiFi stick. By rotating the parabola in the pvc holder I can instantly directionalize the reception/transmission of the Wifi USB stick. I'm wondering if anyone in the forum has experienced the difference between an internal vs an external WiFi device? Secondarily, has anyone in the forum tried the parabola trick?

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