[Openstack] NAT ports from external networks to internal networks

Ben Firshman ben at firshman.co.uk
Sun Aug 4 18:40:56 UTC 2013

Hi all, 

I have a large number of small VMs on Quantum internal networks. I'm trying to find a way to expose services externally without having to attach a whole IPv4 address to each machine.

I'm basically looking for a way to NAT external addresses and ports to internal addresses and ports. (TCP/UDP ports that is.) The upcoming FWaaS seems to give more fine-grained control over iptables rules, but not NAT it seems.

Perhaps this could be part of FWaaS? Perhaps some kind of separate NATing service?



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