Kong is a scalable, open source API Layer (also known as an API Gateway, or API Middleware). Kong was originally built at [Mashape][mashape-url] to secure, manage and extend over 15,000 APIs & Microservices for its API Marketplace, which generates billions of requests per month.
Backed by the battle-tested NGINX with a focus on high performance, Kong was made available as an open-source platform in 2015. Under active development, Kong is now used in production at hundreds of organizations from startups, to large enterprises and government departments.
Like XML-based services, APIs that support JavaScript object notation (JSON) are vulnerable to content-level attacks. Simple JSON attacks attempt to use structures that overwhelm JSON parsers to crash a service and induce application-level denial-of-service attacks. All settings are optional and should be tuned to optimize your service requirements against potential vulnerabilities.
Only works from Kong 0.8.0
TBD
| key | default value | required | description |
|---|---|---|---|
| array_element_count | 0 | FALSE | Specifies the maximum number of elements allowed in an array. If you do not specify this element, or if you specify a negative integer, the system does not enforce a limit. |
| container_depth | 0 | FALSE | Specifies the maximum allowed containment depth, where the containers are objects or arrays. For example, an array containing an object which contains an object would result in a containment depth of 3. If you do not specify this element, or if you specify a negative integer, the system does not enforce any limit. |
| object_entry_count | 0 | FALSE | Specifies the maximum number of entries allowed in an object. If you do not specify this element, or if you specify a negative integer, the system does not enforce any limit. |
| object_entry_name_length | 0 | FALSE | Specifies the maximum string length allowed for a property name within an object. If you do not specify this element, or if you specify a negative integer, the system does not enforce any limit. |
| string_value_length | 0 | FALSE | Specifies the maximum length allowed for a string value. If you do not specify this element, or if you specify a negative integer, the system does not enforce a limit. |
The JSONThreatProtection Policy types defines the following error messages:
| Message |
|---|
| JSONThreatProtection[ExceededContainerDepth]: Exceeded container depth, max X allowed, found Y. |
| JSONThreatProtection[ExceededObjectEntryCount]: Exceeded object entry count, max X allowed, found Y. |
| JSONThreatProtection[ExceededArrayElementCount]: Exceeded array element count, max X allowed, found Y. |
| JSONThreatProtection[ExceededObjectEntryNameLength]: Exceeded object entry name length, max X allowed, found Y (VALUE). |
| JSONThreatProtection[ExceededStringValueLength]: Exceeded string value length, max X allowed, found Y (VALUE) |
| JSONThreatProtection[ExecutionFailed]: Execution failed. reason: X |
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