One site, multiple IP addresses

John Schmerold

• July 27, 2017 15:12

We have 2 ISPs, I want all sites accessible via both IP addresses. Is that possible?

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  24x7server

  • July 28, 2017 05:48

  Hi, You can create multiple shared IPs on a server and use those IPs for multiple websites/account..

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  John Schmerold

  • July 28, 2017 10:13

  Thank you, but what I am trying to do is use two IP addresses for one url so that if one ISP is down, access to the site can be satisfied via DNS round-robin.

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  Jcats

  • July 28, 2017 11:57

  You would be better off using a service like DNS Failover and Monitoring | DNS Made Easy otherwise, you could assign multiple A Records for each domain but this will not ensure the traffic is only routed to the 2nd server if it fails.

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  John Schmerold

  • July 28, 2017 12:12

  We have been using dnsmadeeasy for as long as I can remember - love their service, wish there was an easy way to sync cpanel DNS with dnsmadeeasy. How do I assign multiple A records for each domain? I don't see that option in gui, is it a command line thing?

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  Jcats

  • July 28, 2017 13:06

  No, you would literally just add a second A Record, example, if you go into WHM > Edit a DNS Zone, check the screenshot. Looks like dnsmadeeasy does have a pugin: DNS Made Easy Unveils CPanel Plugin - Improving DNS for Shared Hosting | DNS Made Easy News but says it doesn't support advanced features like the fail over however that was back in 2013, maybe its better now.

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  John Schmerold

  • July 28, 2017 13:15

  Thanks for the dnsmadeeasy link, I missed that. Editing the dns record didn't tell apache to use that second IP address, I made the change in DNS, restarted httpd & dns, still got "Sorry....If you are the owner of this website, please contact your hosting provider"

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  Jcats

  • July 28, 2017 13:19

  You have 2 servers correct? Or are you saying you have 2 different IPs on one server?

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  John Schmerold

  • July 28, 2017 13:20

  2 different IPs on one server

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  Jcats

  • July 28, 2017 13:37

  Oh sorry, I misunderstood the initial question then. I don't think this is possible with cPanel even with using an include but basically the apache virtualhost has to look like this:
  
  or if you literally only have those 2 IP's listening on all interfaces like:
  
  but this would only work if you manually changed httpd.conf which will be overwritten.. Unless you modified the virtualhost template:
  /var/cpanel/templates/apache2_4/vhost.default
  that first line
  
  changing it to
  
  then run
  /scripts/rebuildhttpdconf

/scripts/restartsrv_apache
  clear your browser history then try browsing to the site again now

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  cPanelMichael

  • July 28, 2017 14:00

  Hello, While it's supported by Apache 2.4, I don't believe cPanel/WHM will recognize multiple IP addresses assigned to a single Virtual Host. I recommend opening a feature request if it's an option you want to see configurable in WHM: Submit A Feature Request Thank you.

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  John Schmerold

  • July 28, 2017 20:46

  OK. Thank you.

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