| Resource | Default limit | Note |
|---|---|---|
| Application Gateway | 50 per subscription | Maximum 1000 |
| Frontend IP Configurations | 2 | 1 public and 1 private |
| Frontend Ports | 20 | |
| Backend Address Pools | 20 | |
| Backend Servers per pool | 100 | |
| HTTP Listeners | 20 | |
| HTTP load balancing rules | 200 | # of HTTP Listeners * n, n=10 Default |
| Backend HTTP settings | 20 | 1 per Backend Address Pool |
| Instances per gateway | 10 | For more instances, open support ticket |
| SSL certificates | 20 | 1 per HTTP Listeners |
| Authentication certificates | 5 | Maximum 10 |
| Request time out min | 1 second | |
| Request time out max | 24 hrs | |
| Number of sites | 20 | 1 per HTTP Listeners |
| URL Maps per listener | 1 | |
| Maximum URL length | 8000 | |
| Maximum file upload size Standard | 2 GB | |
| Maximum file upload size WAF | 100 MB | |
| WAF body size limit (without files) | 128 KB |