Ubuntu Servers :: Bind : ANAME To Server 2 Not Forwarding Externally?
Dec 8, 2010
I have 2 servers operating on my home network. One server hosts Bind9 and a few web sites. The other is an Ubuntu repo mirror that I recently configured (10.1.10.26). Inside my network, requests to the olyubuntu.nwlinux domain function as it should. However, external requests do not get forwarded. Instead, they end up at my DNS box at 10.1.10.25. Again, internal requests are forwarded correctly.Any red flags pop-up as to why this is occurring? Firewalls are not an issue.
Code:
$ORIGIN nwlinux.com.
$TTL 86400[code].....
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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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Jan 6, 2010
Pre-exsisting issue from 9.04 server, and has never worked right for me. When I try to open an X11 forwarded app on a mac using the command "ssh -X myusername@serverIP" Other linux machines have similar issues from terminal. I can login just fine and preform any actions I want that do not require X11 forwarding, like say firefox or a manager. I just get the error "Error: no display specified" when trying to do anything with X11 forwarding. I have almost no Linux experience but from tinkering and my friends tinkering wonder if I have a x authority issue.
At one point I had ubuntu desktop package installed (forwarding still did not work then), did a unclean uninstall of it installed Xubuntu. Xubuntu did nothing but throw fits saying I did not have authority to preform all sorts of actions, many relating to root access. This box is meant to be a headless file, print and web server with the ability to login remotely as a convince for administration. I have given up on having a working GUI of any kind on this box. I really do not want to reinstall because of the amount of data on the main partition. What can I start trying to look into?
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May 22, 2010
I have set up 10.04 server, got userdir working (/home/username/public_html) so I can access it with h ttp://myipaddress/~username. What do I need to do to get mydomain.com to point to http://myipaddress/~username?
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Dec 13, 2010
We have a Ubuntu system that is connected to 4 different networks.
Code:
eth0: 192.168.12.9
eth1: 192.168.2.142
[code]....
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May 10, 2011
- I setup port forwarding of openssh :
connect 1: ssh -g -f -p 11111 -i /<path-to-private-key> user1@ip-server1 -L 22222:ip-server1:161
- Then I setup second connection
connect 2: ssh -g -f -p 11111 -i /<path-to-private-key> user1@ip-server1 -L 22223:ip-server1:3306
- Openssh waring to me "bind: address already in use"
- So I think port 22223 have had another program use,I use command:
ps aux | grep ssh /* find process id of second connection */
kill -9 <process-id-second-connection>
netstat -an | grep 22223 /*find which program use port 22223> */
- but I can't find anywhat
- Then I run again command :
connect 2: ssh -g -f -p 11111 -i /<path-to-private-key> user1@ip-server1 -L 22223:ip-server1:3306
- And I receive a error from OpenSSH :" bind: address already in use"
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Jun 19, 2011
I need a bind-server (I mean DNS server) with a SQL backend. As far as I have seen, the only viable option I have is to recompile bind9 with support for either MySQL or PostGre.
Link to this: [URL]with an additional
Code:
apt-get install libpqxx3-dev
From some tutorials I have read, I see I need to recompile it to enable its SQL support.
But when I do it that way, I won't get any security updates, won't I?
So... Is there any bind server with SQL support in the repositories ? For that I don't have to worry about security updates...
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Jul 1, 2010
I recently purchased a GoDaddy domain with the intent of hosting a website myself at home on a box First of all, I don't have a static IP, so I set up dyndns with my router. Do I want to just have GoDaddy forward traffic to my dyndns account? Or do I manually change the nameservers? To what? Also, this seems to work for http(s) traffic only. What happens if I want to use ssh/ftp/smtp? And do I need to configure anything on my end aside from installing/configuring the appropriate server binaries? Is there a way to update GoDaddy when my ip changes?
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Mar 1, 2010
We've just setup an Ubuntu server as our main web server. The site's domain, say mydomain.com, has its DNS hosted elsewhere. A records are pointed to the IP address of the new server, so far so good. Email is however handled elsewhere. Sending mail to _anything but_ mydomain.com works fine. However when i try to send mail to me@mydomain.com the mail ends in /var/mail/me
how to deliver the mail externally?
Using Ubuntu 9.10 with sendmail
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Sep 22, 2009
I am working on fedora 10 and configured dns on my college lan which already has it's dns at 192.168.5.20 .So i configured my private dns server at 192.168.101.91 which is my ip too.And the domain name is the host name of my system for example server.onkie.com.MY dns port 53 is shown when i do nmap localhost but but doesnt show when i do nmap 192.168.101.91 .Also when tested my server on other computers on my lan with there primary dns as 192.168.5.20 and secondary as 192.168.101.91 they cant access my site at my system with the name [URL].. . nmap localhost
Starting Nmap 5.00 ( http://nmap.org ) at 2009-09-22 21:24 IST
Interesting ports on onkar (127.0.0.1):
Not shown: 993 closed ports
PORT STATE SERVICE
22/tcp open ssh
53/tcp open domain ----the dns is running
[Code]...
I already disabled my selinux and iptables ..but then also it's not accessible in Lan .
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Dec 7, 2009
HTTP - Can't see website(s) externally
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Jun 9, 2010
I'm thinking about installing a DNS server on Fedora 13 running bind. I looked around for available bind packages and found only these:
Now the first one contains bind utils the second one is for running DNS in a chroot env and the last one is a bind with some DB backend.
Does this mean that fedora 13 doesn't support/.provide "standard" bind server (I mean the one to run without chroot/without db backend) ? Or am I missing anything in my repolist which is :
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Oct 29, 2010
Alright guys, I've looked over every thread regarding this issue on this forum, and many others; yet I cannot find out why my mail is being bounced without error from my external gmail account.From what I've seen, you guys need to start off by seeing my postconf -n
Code:
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
[code]...
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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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Dec 30, 2009
I am connecting a complete set of four hard disks externally to my linux server.I have certain queries on that
1. How to make it detected. Will the cd which had come with that will install the required drivers?
2. How the cd drive will work out in linux?
3. How to configure all the 4 HDD into one LVM?
4 How to remove an already installed software from a linux system?
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Apr 27, 2011
I'll explain this in one sentence: Is it possible to program a port-binding shellcode in which people across the Internet can connect to, without being thwarted by the router blocking their data because the port its bound to doesn't allow port-forwarding
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Jul 16, 2011
I created LAMP server with a wordpress site. I created a sites-available file for the wordpress file pointing to the wordpress directory. Within my server it goes to the site properly. However I also made this server a DNS server, had another test pc use it as a DNS server and it only got the default apache page unless I added /wordpress to the url which makes it point to the directory within /var/www/ that it belongs, but then the wordpress links don't work and this is not what I want it to do anyway. I do not understand why it is working properly internally but not externally. It makes me think maybe the sites-available file is not allowing outside access appropriate permission to use it or something. Can somebody please point me in the right direction I have been working on this for weeks and I am starting to get really frustrated with it. Tell me what config files can help you figure out my issue. Also I eliminated the default index.html file so it wouldn't use it, then placed the index.php file from wordpress in /var/www/ root but in that configuration it doesn't load anything by default but will still work if you point to /wordpress. I believe I have to make some change to my apache2 configs to allow outside PCs to be pointed to the right root directory for the virtual host like is being done internally, I just don't know where to start.
[Code]...
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Nov 15, 2010
i'm setting up apache on 5.3. i can access the apache test page without a problem from the server via URL... But i can't figure out how to access this page from another computer within the domain (for when i upload my home page.
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Jan 21, 2011
I have Ubuntu 10.04 x86 installed, trying to get teamspeak 3 beta30.I have followed this guide: http://robert.penz.name/296/howto-in...u-10-04-lucid/
And can not get my network setup correctly to allow people to connect externally from my LAN. I have forwarded every relevant port I could find to the computer hosting TS, I forwarded them first as their respective protocols, and then as the combined UDP/TCP. I tried Forwarding single port numbers, and then port ranges.I have also tried uninstalling selinux.I have tried connecting directly to my cable modem with the server.I had this working perfectly three months ago with all the same software, using the same guide I listed above.The only thing I can imagine has changed is my operating system itself with system updates.
My network looks like:
Comcast cable modem--->Netgear WNR3500L Router----->Ubuntu 10.04 x86 desktop edition
what else I could possibly check? I can connect to and manage the TS server fine using localhost:9987 or 192.168.1.x:9987, it just wont allow any connections from outside the network.
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Mar 29, 2010
I am thinking about buying a domain name and hosting my web server.
I have seen pricing from $8 to $30 a year. Any favorites from fellow ubunters? Also this whole "whois" thing scares me, if I am correct my information I enter when buying the domain is enter into some big pool of information. People can find this information out and dig up important information. url Can I prevent this with private Whois or how do I set it up? This website examples some of my fears with this whole WhoIs thing, url whois/Private-Whois.html Does most/all domain registers come with email or just email forwarding or both? How does that work? At this moment, my only question about Web Hosting is how do I get Website Statistics as in: Stats, web analytics, web traffic stats and more? I will be web hosting through Ubuntu 9.10 gnome.
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Jul 13, 2011
I'm trying to set up my mythtv backend on a headless box. The many tutorials out there tell you to run mythtv-setup from a machine with a display by x forwarding through ssh.
Code:
ssh -X username@ipaddress /usr/bin/mythtv-setup
The x forwarding works fine except that the first part of the mythtv-setup requires you to stop the mythtv-backend process which you have to do as root. It brings up a box asking for your password (much like is would if you just typed sudo xxxxxxx in the terminal) but it won't accept the password. Looking in the auth log it seems that it can't authenticate
Code:
Jul 13 11:21:08 server su[21869]: pam_unix(su:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/1 ruser=administrator rhost= user=root
Jul 13 11:21:10 server su[21869]: pam_authenticate: Authentication failure
[code].....
Now I know that my account (administrator) can have root privileges because I can sudo xxxx to my hearts content via ssh in the terminal, but it seems to not work when it's being requested from a forwarded X window....
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Jun 13, 2011
I just bought a domain, let's say it's called example.com
I also have a gmail account, let's say it's: my.account@gmail.com
I want all email to master@example.com to forward to my.account@gmail.com, and likewise I want all e-mail from my.account@gmail.com to be from master@example.com, and have the reply-to also be master@example.com.
I guess the most pressing issue here is setting up some proxy to forward all my @example.com emails to my gmail. I've been looking through the forums and reading some tutorials, but none of them seem to do exactly what I'm looking for.
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Jun 23, 2011
At first I want say that I'm regular Ubuntu user, not system administrator. I have installed mail server using Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 11.04). And it's work!
But I have a challenge. I need to get incoming mail (from another server), zipping mail-body (as html or text) and all attachments into zip-archive, compile new mail with this new attachment (zip-archive) and (most important!) sign all this email with signature which locale in pem-file and send it to BCC-address from incoming mail. I don't know how do it or which tutorial start to read.
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May 10, 2011
I was wondering if anyone knows how to make a zone file for bind dns server that points "example.com" and all (by all i mean any) sub-domains to this 127.0.0.1 address. and i wanted to set up a virtual host in apache to use /var/www/eample/index.php for 'example.com' and all of its sub-domains.
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Jun 9, 2010
I've recently had to rebuild our mail server - after the old one over heated - and I've realised I never backed up the config files for exim... so now tyring to work out how the hell to configure what I had....
The setup isn't the most straight forward, so I'll try and explain what happens...
- all emails @longdomain.com are received by an hosted server on the internet
- they are then forwarded to @shortdomain.com, the IP for which is our internet connection which fowards port 25 traffic to the exim server
- the exim server then spam and virus checks the emails and forwards them to an exchange server (sorry but it works well for us)....
I've installed exim4/spamassassin/clamav successfully, and it's setup to receive emails for the relevant domains and relay from the hosted server on the internet (and some local addresses).
how I then setup exim4 to foward all emails on the relevant domains to the exchange server?
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Jun 11, 2011
I have an OpenVPN(10.04.2 LTS) server running in bridge (TAP) mode. Its sitting behind a router and then a cable modem. The VPN works perfectly but I have a security concern. In order to allow the VPN clients to connect to the internet, I had to enable IPv4 forwarding on the server. Is this is a security hole? Can a hacker access my servers connection from the internet (without authenticating with OpenVPN) and access my network. Can someone use Ipv4 forwarding to access my LAN network from the WAN
I used this command to enable ipv4 forwarding
echo 1 > /proc/sys/net/ipv4/ip_forward
Without IPv4 forwarding my VPN clients can only access my LAN and router, but they cannot reach my modem or the internet.
[Code]...
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Mar 18, 2010
Have basic LAMP setup on 9.10 box. I want to have a publicly accessible website AND I want to have phpmyadmin available. The only thing is I would rather not have the phpmyadmin interface available on the internet. I usually open a ssh port forwarded tunnel when I need to use phpmyadmin on this server. I want to add a directive to make phpmyadmin bind only on localhost. I have found the phpmyadmin config file in /etc/apache2/conf.d
phpmyadmin.conf -> ../../phpmyadmin/apache.conf
I have tried adding some LISTEN directives, but apache does not like my directives-- I am obviously not doing it right. I have looked for a bit on the internet and can't find out how to disable external access to a configured site in Apache.
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Jul 15, 2010
I have searched some about Bind9 and have it installed in my server. Now I'm looking for a Tools like mysqlBind and I found unxsBind is the next version of mysqlBind (These tools help you config BIND DNS with MySQL). But the issue is: I don't know how to Install it in Ubuntu - there just say how to install with Centos.
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Nov 13, 2010
bind9 is taking a lot of the RAM
process info:
ID Owner Size Command
17559 root 290396 kB /usr/sbin/named -c /etc/bind/named.conf
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Mar 29, 2010
host - ubuntu 9.10 desktop
virtualizer - VirtualBox
What will be the easiest way to ssh connect a VM on VirtualBox, exporting its desktop to host, while it is already running ? I found; Howto Access via ssh a Virtualbox Guest machine.
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