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Add support for multiple network interfaces

jndawson shared this idea 6 years ago
Open Discussion

cPanel presently only uses one network interface card (nic) for public access. Providing support for multiple nics will allow for routing different subnets, moving accounts more easily, assigning separate subnets to resellers, managing dos attacks, renumbering IPs, etc. This would be particularly useful by adding flexibility when needing to move or add subnets, changing the licensed IP, migrating and/or consolidating cPanel accounts between servers.

Comments (3)

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Ok, I've raised a support ticket to see if they could help me implement this but they pointed me back in this direction. They said it is impossible to do at the time.

As a server administrator, and business owner, I expect to be able to provide my customers with dedicated IPs. I also chose what I believe to be the best cloud platform to host my cPanel servers, Amazon AWS. Sadly, I learnt that they have a very limited amount of IPs you can add to each network interface. For a medium instance that would be 6 IP addresses max. But a medium instance could host many more clients. So what they offer is to connect more NICs (up to 3) and that would up the server's limit to 18, which would be much better.

I believe that cPanel and Amazon AWS are a super great combination. But this issue restricts a very important feature. Maybe this has kept away some potential cPanel clients.

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That sounds like an Amazon limitation. We provide a much larger pool of IPs.

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Yes, that's what I meant to say. The thing is, that if cPanel could support more network interfaces, there would be no more problem any more. I don't imagine Amazon changing this limitation... But I'm sure cPanel can do better than that.

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This makes even more sense when you put IPv6 on another VLAN and provision a new NIC through KVM tagged with that VLAN.

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We use PFSense firewall. I'd like to block all ports but the standard 80 /443 on the webserver but use some advanced geo based ip rules on pfsense to allow advanced and admin access. The PFsense route is a second nic interface and so requirese something like this.

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