“So to complete our configuration we just need your outbound static IP…” This is something that pops up again and again, specially if you work integrating legacy systems, like banks, government agencies or other older systems that requires a static IP Address to add to firewall inbound rules.
In the past I had to use on of the subscription tiers from Azure API Management or in some cases deploy the code within a self hosted service in a Virtual Machine. And both of them are valid options if you already have one of those components in place. But in a couple of my last projects, Not only I needed to implement a new component (in this case API Management) just to fulfil this requirement. I also had to change my design a bit, because API Management didn’t support one of the streaming requirements I had (but that is a story for another post).
But I wouldn’t be writing a post just to complain about this (not that this has never happened before) – I actually found another solution – one that I’ve tried and discarded earlier this year, but thanks to some good work from the App Services Engineering team, is finally a viable solution: Azure Functions + VNET Integration + NAT Gateways!Continue reading “Azure Functions with a Static Outbound IP Address”