![What is Azure NAT Gateway | What is SNAT Port Exhaustion | Azure Standard Logic App Static Outbound IP Address | Sri Gunnala What is Azure NAT Gateway | What is SNAT Port Exhaustion | Azure Standard Logic App Static Outbound IP Address | Sri Gunnala](https://srigunnala.com/static/fdededba5fceee9a26a17a6c2c4da3c9/5e493/thumbnail.jpg)
What is Azure NAT Gateway | What is SNAT Port Exhaustion | Azure Standard Logic App Static Outbound IP Address | Sri Gunnala
Azure load balancer SNAT behavior explained - Annotations to tcp port numbers reused, ACK with wrong sequence number plus RST from 3-way handshake and SNAT port exhaustion
![Servers suddenly unable to make new connections; seems like ephemeral port exhaustion - Server Fault Servers suddenly unable to make new connections; seems like ephemeral port exhaustion - Server Fault](https://i.stack.imgur.com/pDlV8.png)
Servers suddenly unable to make new connections; seems like ephemeral port exhaustion - Server Fault
![has a simply repro] TCP ephemeral ports exhausted after lots of early-closed non-blocking connections · Issue #3951 · microsoft/WSL · GitHub has a simply repro] TCP ephemeral ports exhausted after lots of early-closed non-blocking connections · Issue #3951 · microsoft/WSL · GitHub](https://user-images.githubusercontent.com/38719268/55393300-ea5af280-5534-11e9-9e64-304c5ebfcb37.png)