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• Map a URL bought with Dreamhost to Amazon EC2 (AWS)

  - by Edan Maor

  I have several URLs I purchased through Dreamhost. I'm starting to use Amazon's AWS, and I'd like to map the URLs to Amazon. This is something of a silly question, and I've already done the same thing several times to other services (mapping from Dreamhost to WebFaction). But for some reason when I tried to find the proper way to do the same mapping to Amazon, I find a lot of detailed writing talking about whether I should be using CNAME or A records, etc. So I wanted to ask in the simplest possible terms and hopefully get a simple, concrete answer: I bought a URL from Dreamhost, I have an EC2 server running on AWS (to which I already mapped an Elastic IP address). How do I make the URL map to AWS? And if there are several options, which one should I effectively be using? P.S. Meta-question - why are things so much more difficult with AWS? When I search Google for "Move from Dreamhost to WebFaction, I get very simple answers on how to do the mapping. In what way is AWS different?

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• How to setup NS for a subdomain

  - by DK M

  Hello, I have a DomainA.com use : ns1.mydomain.com ns2.mydomain.com I want create subdomain myname.domainA.com and use NS of other Server ns1.godaddy.com ns2.godaddy.com for that sub, please help, how to config in my NS ? I use Blind.

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• once VPNed into pfSense, unable to hit the public URLs of my websites - they are routed to the pfSense box

  - by Sean

  I have a pfSense box setup as the firewall/router/VPN appliance at my colo. Once I VPN into the colo (either pptp or openvpn, pptp preferred due to multiple clients and ease of configuration), I am able to hit all my servers by their private 10.10.10.x ip and am able to browse the public internet without issue. When I try and hit the URL of a domain hosted by one of my servers, I am prompted for credentials. If I login using the pfSense credentials, I'm connected to pfSense as if I'd used it's internal IP. If I hack my hosts file to point url - server private IP it works fine, but this is obviously not a good solution. To recap: not connected to VPN - www.myurl.com works connected to VPN - www.myurl.com never makes it to the correct server, but is sent only to the pfSense box I'm sure it's something small that I've missed in the pfSense config.

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• How can I map my server's domain to my IP address?

  - by samoz

  I rented some server space from a new host and have a static IP address and a domain name that I previously purchased, but I do not know how to register the domain name to point to my server. My previous host did this for me, but my new host only offers hardware, i.e. they won't do it for me. How can I register a domain name I own to point to my server's IP address?

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• Why can't European users access my site?

  - by japancheese

  Hello, My site has been running just fine for the past couple of years, but all of a sudden, two days ago, European users have been experiencing serious connection problems to the site. I really want to fix this for them, but what's the best way to figure out what the issue is? I have absolutely no connection problems to the site on my end, nor do Asian or other American users it seems. Using just-ping.com, some European servers come back with some packet losses. I tried doing some traceroutes from European servers to my own, but they all seemed to work just fine. I'd at least like to be able to tell users that if the problem does not lie with my server, then it at least lies somewhere out of my control. I really want to figure out what the choke point is though. Is there another way I might be able to find out why they can't seem to connect to the site? Just looking for any other ideas from people that have had a similar experience.

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• libvirt's dnsmasq does not respond to dns queries or provide dhcp

  - by Jeremy

  This is on Ubuntu 10.04 server, using KVM to run Ubuntu guests. This system has been working for a long time and I have not changed anything (other than applying security updates), but today I found dnsmasq no longer responds to requests. I cannot say how long this has been broken for me because I don't frequently use the NAT'd guests. So it could have started just after the last updates or some other event and I just now found it. I can connect to port 53 with telnet at 192.168.122.1. I've flushed ip-tables to be sure it wasn't firewall rules and that is not the problem. dnsmasq is running, virsh reports default network as stared. I can't find ANY information on troubleshooting libvirt dnsmasq except that it won't play well with other instances of dnsmasq, which is not the problem. I cannot even find where log entries might be for this service. Any ideas on where to look for more information? edit to add: I added another network and that one works fine. I guess I have a workaround but would still like to figure out how to troubleshoot this problem.

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• Cookieless Domain redirect in WHM/cPANEL

  - by Patrick Lanfranco

  I am currently trying to get my head around in understanding how to set-up a "cookieless" domain using WHM / Cpanel - unfortunately without any success at this moment. I have a Magento store and I would like to use "cookieless domains" for my media, skin (template) and js files. Magento has a nice feature to define URL for those folders. My current setup is as follows: www.mydomain.com <- main store media.mydomain.com <- subdomain to the media folder (mydomain.com/media/) skin.mydomain.com <- subdomain to the media folder (mydomain.com/skin/) js.mydomain.com <- subdomain to the media folder (mydomain.com/js/) I think it's poinless to have them used as "cookieliess domains" since my Magento installation uses .mydomain.com as cookie domain, so what I would like to achieve is to register a new additional domain and have it point via WHM / cPanel to those specific locations. I have tried to change the A and CNAME records although without any success as they were just simply redirecting from one page to another in the browser (newdomain.com - jump to old.com). What kind of records do I have to set to have this working properly? Some advice would be highly appreciated.

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• Multiple servers using same nameservers

  - by Robsimm

  I have 2x servers with the following OS's and Control Panels: Windows Server 2003 running Plesk 9 Centos 5.3 running WHM/cPanel The Windows server 2003 server is hosting the two nameservers: ns1.domain.com ns2.domain.com I have BIND running on the Centos 5.3 server, but I wish for my customers to use the same nameservers ns1.domain.com and ns2.domain.com (as per the Windows Server 2003 server). My first question is - is this possible? And if so, how would I go about configuring both servers to enable such a configuration? Thanks very much.

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• 27 days after domain transfer name servers not propogated

  - by Thom Seddon

  We recently bought the domain: embarrassingnightclubphotos.com 7 days after accepting the transfer the domain finally transferred to our registrar and we immediately changed the name servers from ns*.netregistry.net to amy.ns.cloudflare.com and cody.ns.cloudflare.com 20 days after changing the name servers, the majority of tests show that both old and new nameservers are still being reported: http://intodns.com/embarrassingnightclubphotos.com http://www.whatsmydns.net/#NS/embarrassingnightclubphotos.com We are now ready to launch the new site but this issue is plagueing us as a high proportion of the traffic is still receiving the old nameserves and so hitting the old server. You can tell if you have hit the old or new server as the old server has the value "A" for the meta tag "Location" and the new server has "U". (The old server just has an iframe too!) I have never had this problem before - who is causing this and how should we go about reaching a resolution? Thanks

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• Squid throws error, The requested URL could not be retrieved

  - by Supratik

  Sometimes I am getting the following error The requested URL could not be retrieved While trying to retrieve the URL: http://groups.google.com/ The following error was encountered: Unable to determine IP address from host name for groups.google.com The dnsserver returned: Refused: The name server refuses to perform the specified operation. This means that: The cache was not able to resolve the hostname presented in the URL. Check if the address is correct. Your cache administrator is root. What could be the reason for the above error ? Regards Supratik

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• Spoofing domains - using one domain to look at another without frame redirect

  - by hfidgen

  In Plesk 9.2.2 does anyone know how the following can be achieved? I've got domain1.co.uk registered in plesk, but the domain has not been set up with any nameservers or A records, so it is unreachable from the web. However, I need to test it while we get the domain1.co.uk nameservers etc sorted over the next week or so. SO, i've got sparedomain.co.uk registered, with the nameservers and A records pointing to the server, and sure enough it displays the default plesk "theres no website here yet page" . bingo. Now, how can I set up sparedomain.co.uk on my plesk server, so it displays all the data held on the plesk account for domain1.co.uk? Frame forwarding doesnt work - because you get errors saying "domain1.co.uk cannot be found" in your browser - i need a server solution to spoof it all. Anyone got any ideas? Thanks!

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• Will my internet address for my internal site cause my traffic to go external?

  - by Toby Allen

  If I have two domains pointing to the same machine, but one resolves to an internal address and the other to my internet facing router, will there be any differnce in route taken to my machine (primarily in terms of performanc). eg. internal.mydomain.com resolves to 192.168.1.200 external.mydomain.com resolves to A.Web.External.IP both eventually resolve back to the same machine. For a client in the network, will using the external address give a performance penalty?

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• What are NS records?

  - by Deano

  I am changing host and my new host said: Meanwhile, in order your newly registered hosting account to function correctly until the transfer is ready, you can change the NS records to the following: ns1.itahost.com ns2.itahost.com What does this mean?

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• connect to a machine inside the intranet from outside with same address used inside

  - by pietrosld

  Hi all! I have a server inside my intranet, in wich i have apache running with some web applications. when i'm at office the url i use to connect is zeus.mydomain.it, it works couse i have in my /etc/hosts a record 192.168.0.11 zeus.mydomain.it, but obviously it does not work when i'm outside in different network. i have a internet connectino with static ip, so i can connect to my intranet form outside. the question is: how can i connect to the intranet server using zeus.mydomain.it from inside and from outside my intranet ? thanks!! Pietro.

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• dig @my-server-ip mydomain.com works from inside, not from outside?

  - by x4954

  My server has 2 ips: x.x.x.73 and x.x.x.248. I can access my site via these ips, using Web browser. {Now, from a CentOS machine (not my server), using terminal} If I: dig @x.x.x.73 mydomain.com dig @x.x.x.248 mydomain.com I get the result: Connection timed out; no server could be reached. Could somebody please tell me how to fix it? Thank you. More information: If I log in to my server using ssh and do: dig @x.x.x.73 mydomain.com dig @x.x.x.248 mydomain.com I can see my zone shown as expected: ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5_7.1 <<>> @x.x.x.73 mydomain.com ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12757 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;mydomain.com. IN A ;; ANSWER SECTION: mydomain.com. 38400 IN A x.x.x.73 mydomain.com. 38400 IN A x.x.x.248 ;; AUTHORITY SECTION: mydomain.com. 38400 IN NS ns2.mydomain.com. mydomain.com. 38400 IN NS ns1.mydomain.com. ;; ADDITIONAL SECTION: ns1.mydomain.com. 38400 IN A x.x.x.73 ns2.mydomain.com. 38400 IN A x.x.x.248 ;; Query time: 20 msec ;; SERVER: x.x.x.73#53(x.x.x.73) ;; WHEN: Sun Jan 15 11:46:30 2012 ;; MSG SIZE rcvd: 129 BIND version 9.3.6, Centos 5. Logging to my server using ssh, do inga "dig google.com" also shows expected results.

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• Zyxel P-320W: How to connect to my web server using public IP

  - by hvtuananh

  My company's router is Zyxel P-320W and I have a public static IP. I registered a few domains name and point to this IP address. I already setup Virtual Hosts and configured port-forwarding to my internal server and it works well. I can connect to all domains from outside The problem is I cannot connect to my domains from inside One workaround way is modify hosts file to add internal IP for those domains, but my company have many computers and I don't want to setup all PC manually

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• For the .com TLD, is there any known change tracking for WhoIs information?

  - by makerofthings7

  A client exposed information regarding what will become a controversial website in the domain WhoIs after she purchased it from auction. Is there any whois cache that will detect, save, and share the old whois information for that domain, after it has changed? (It's a website to provide birth control in countries where it is banned, and she may receive death threats for the information shared on it. Obviously something she wishes to avoid.)

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• Recommended method for routing www to zone apex (naked domain) using AWS Route 53

  - by Dan Christian

  In my AWS Route 53 control panel I simply have 2 A records currently set up for the 'www' and the 'non www' names. Both point to the Elastic IP address associated with my EC2 Instance. This works well and my website is available at both variations but I really want all 'www' to route to the 'non www'. What is the reccomened method, using AWS Route 53, for routing all traffic that comes to... www.example.com to example.com

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• What is the best Web interface to bind9 for a small ISP?

  - by Gabble

  I am looking for a Web interface to bind9, to edit zones, add records, etc, with user access privileges (not Webmin please!) but free and possibly open-source. I have googled a lot, but I only found stalled projects, or very old ones, not updated after 2002 or so. It would be great a nice Web2.0 UI, but at this point it's not crucial. Thanks a lot! Gabble

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• All invalid hosts gets resolved to "com.org"

  - by Vi

  vi@vi-server:~$ nslookup nonexistent.itransition.com Server: 8.8.8.8 Address: 8.8.8.8#53 ** server can't find nonexistent.itransition.com: NXDOMAIN vi@vi-server:~$ cat /etc/resolv.conf nameserver 8.8.8.8 It does not exist. The same result from dig nonexistent.itransition.com. vi@vi-server:~$ ping nonexistent.itransition.com PING nonexistent.itransition.com.org (216.234.246.153) 56(84) bytes of data. 64 bytes from 99.f6.ead8.static.theplanet.com (216.234.246.153): icmp_seq=1 ttl=46 time=128 ms 64 bytes from 99.f6.ead8.static.theplanet.com (216.234.246.153): icmp_seq=2 ttl=46 time=128 ms It catches all invalid hostnames? Why? How to prevent?

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• Can domain "masking" be setup in BIND\cPanel

  - by ServerAdminGuy45

  I am supporting a client, let's say he has the domain "acme.com". He registered with GoDaddy and set the name servers to point to his crappy hostgator shared account. He uses cPanel on the hostgator account to set up his subdomains. Is it possible to setup some kind of domain masking so that when someone connects to "application.acme.com", it really forwards to "cloud-solution-provider.com". I mean the actual domain "cloud-solution-provider.com" because it resolves to different IPs based upon geolocation. For this reason I can't just set application.acme.com to point to the IP that cloud-solution-provider.com resolves to. I want the ability for a user to RDP to "application.acme.com" and be sent to the desktop served by "cloud-solution-provider.com", whatever that IP may be. Perhaps I can have GoDaddy be the nameserver? I have a feeling this would break Hostgator since there is a website at acme.com and shop.acme.com

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• Can NULL RRs still be used or should be generally avoided?

  - by Mose

  I'm searching for a way for a placeholder in my bind zone files. I found some information on the NULL RR which would be perfect, but wikipedia states it's obsolete by RFC 883. I read through this RFC but could not find any reference for this statement. Is the NULL RR obsolete or not? Is it acceptable to use it as placeholder? At the moment I use this: somename IN TXT "placeholder"

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• ping: unknown host google.com

  - by Tar

  Relevant output: /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 servers_ip_address server.2006scape.com server /etc/resolv.conf search 2006scape.com #Generated by NetworkManager nameserver 8.8.8.8 nameserver 8.8.4.4 Some stuff from tcpdump 07:46:28.795843 IP server_ip.42841 > 8.8.4.4.domain: 60253+ PTR? 87.127.104.87.in-addr.arpa. (44) 07:46:28.795980 IP server_ip.54001 > 8.8.4.4.domain: 7390+ PTR? 60.187.80.98.in-addr.arpa. (43) 07:46:28.804029 IP server_ip.59667 > 8.8.4.4.domain: 58876+ PTR? 134.154.161.72.in-addr.arpa. (45) 07:46:28.884171 IP server_ip.46255 > 8.8.4.4.domain: 63027+ PTR? 195.156.251.84.in-addr.arpa. (45) 07:46:28.884217 IP server_ip.35426 > 8.8.4.4.domain: 10538+ PTR? 118.3.182.166.in-addr.arpa. (44) 07:46:28.884253 IP server_ip.53635 > 8.8.4.4.domain: 29928+ PTR? 230.94.81.83.in-addr.arpa. (43) 07:46:28.884286 IP server_ip.45787 > 8.8.4.4.domain: 41151+ PTR? 18.32.223.121.in-addr.arpa. (44) 07:46:28.946045 IP server_ip.47246 > 8.8.4.4.domain: 43103+ PTR? 81.70.251.84.in-addr.arpa. (43) 07:46:28.946066 IP server_ip.33208 > 8.8.4.4.domain: 61117+ PTR? 69.170.184.71.in-addr.arpa. (44) Anyone have any input as to what is causing this?

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• HTTP Redirect from www.mydomain.com to my amazon ec2 account (instance)?

  - by fabius

  Hello! I have a domain, that is registered at a service provider but my site (wordpress blog) is hosted in a shared account with a friend in another other host service. I want to become seperate from this friend because I'm tired of boring him with my blog downtimes. Now, my problem is that I signed up to Amazon EC2 service and I created a instance (a virtual machine) to host my wordpress blog and now I'd like to redirect mydomain.com to this instance at Amazon EC2 and I don't know how to proceed in order to achieve that. The instance at Amazon EC2 is up and running (it's a 64bit linux machine) but I couldn't redirect mydomain.com to this instance at my host service webpanel. Could someone help me please???

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• Using wildcard domains to serve images without http blocking

  - by iopener

  I read that browsers sometimes block waiting for multiple images from the same host, and I'm trying to do everything I can to speed up page load times. One caveat: I need to serve files over HTTPS. Any opinions about whether this is feasible: Setup a wildcard cert for *.domain.com. Whenever I need an image, generate an number based on a hash mod 5 of the filename, and append it to an 'img' subdomain (eg img1.domain.com, img4.domain.com, img3.domain.com, etc.); the hash will make any filename always use the same subdomain, and therefore the browser should be able to cache the images Configure a dynamic virtualhost record to point all img#. subdomains to /var/www/img I am looking for feedback about this plan. My concerns are: Will I get warnings when my page has https:// links to multiple subdomains? Is the dynamic virtualhost record I'm talking about even possible? Considering the amount of processing this would require, is it likely to even produce any kind of overall benefit? I'm probably averaging a half-dozen images per page, with only half being changed on each page refresh. Thanks in advance for you feedback.

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