| author | ms.service | ms.topic | ms.date | ms.author |
|---|---|---|---|---|
vhorne |
application-gateway |
include |
03/04/2020 |
victorh |
| Resource | Limit | Note |
|---|---|---|
| Azure Application Gateway | 1,000 per subscription | |
| Front-end IP configurations | 2 | 1 public and 1 private |
| Front-end ports | 1001 | |
| Back-end address pools | 1001 | |
| Back-end servers per pool | 1,200 | |
| HTTP listeners | 2001 | Limited to 100 active listeners that are routing traffic. Active listeners = total number of listeners - listeners not active. If a default configuration inside a routing rule is set to route traffic (for example, it has a listener, a backend pool, and HTTP settings) then that also counts as a listener. |
| HTTP load-balancing rules | 1001 | |
| Back-end HTTP settings | 1001 | |
| Instances per gateway | V1 SKU - 32 V2 SKU - 125 |
|
| SSL certificates | 1001 | 1 per HTTP listener |
| Maximum SSL certificate size | V1 SKU - 10 KB V2 SKU - 16 KB |
|
| Authentication certificates | 100 | |
| Trusted root certificates | 100 | |
| Request timeout minimum | 1 second | |
| Request timeout maximum | 24 hours | |
| Number of sites | 1001 | 1 per HTTP listener |
| URL maps per listener | 1 | |
| Maximum path-based rules per URL map | 100 | |
| Redirect configurations | 1001 | |
| Number of rewrite rule sets | 400 | |
| Number of Header or URL configuration per rewrite rule set | 40 | |
| Number of conditions per rewrite rule set | 40 | |
| Concurrent WebSocket connections | Medium gateways 20k2 Large gateways 50k2 |
|
| Maximum URL length | 32KB | |
| Maximum header size for HTTP/2 | 16KB | |
| Maximum file upload size, Standard | 4 GB | |
| Maximum file upload size WAF | V1 Medium WAF gateways - 100 MB V1 Large WAF gateways - 500 MB V2 WAF - 750 MB V2 WAF with CRS 3.2 or newer - 4GB |
|
| WAF body size limit, without files | v1 WAF or v2 WAF with CRS 3.1 and older - 128KB v2 WAF with CRS 3.2 or newer - 2MB |
|
| Maximum WAF custom rules | 100 | |
| Maximum WAF exclusions per Application Gateway | 40 |
1 In case of WAF-enabled SKUs, you must limit the number of resources to 40.
2 Limit is per Application Gateway instance not per Application Gateway resource.