AWS CloudFormation
User Guide (API Version 2010-05-15)


The AWS::WAF::SqlInjectionMatchSet resource creates an AWS WAF SqlInjectionMatchSet, which you use to allow, block, or count requests that contain malicious SQL code in a specific part of web requests. For more information, see CreateSqlInjectionMatchSet in the AWS WAF API Reference.


To declare this entity in your AWS CloudFormation template, use the following syntax:


{ "Type" : "AWS::WAF::SqlInjectionMatchSet", "Properties" : { "Name" : String, "SqlInjectionMatchTuples" : [ SqlInjectionMatchTuple, ... ] } }


Type: "AWS::WAF::SqlInjectionMatchSet" Properties: Name: String SqlInjectionMatchTuples: - SqlInjectionMatchTuple



A friendly name or description of the SqlInjectionMatchSet.

Required: Yes

Type: String

Update requires: Replacement


The parts of web requests that you want AWS WAF to inspect for malicious SQL code and, if you want AWS WAF to inspect a header, the name of the header.

Required: No

Type: List of AWS WAF SqlInjectionMatchSet SqlInjectionMatchTuples

Update requires: No interruption

Return Values


When the logical ID of this resource is provided to the Ref intrinsic function, Ref returns the resource physical ID, such as 1234a1a-a1b1-12a1-abcd-a123b123456.

For more information about using the Ref function, see Ref.


Find SQL Injections

The following example looks for snippets of SQL code in the query string of an HTTP request.


"SqlInjDetection": { "Type": "AWS::WAF::SqlInjectionMatchSet", "Properties": { "Name": "Find SQL injections in the query string", "SqlInjectionMatchTuples": [ { "FieldToMatch" : { "Type": "QUERY_STRING" }, "TextTransformation" : "URL_DECODE" } ] } }


SqlInjDetection: Type: "AWS::WAF::SqlInjectionMatchSet" Properties: Name: "Find SQL injections in the query string" SqlInjectionMatchTuples: - FieldToMatch: Type: "QUERY_STRING" TextTransformation: "URL_DECODE"

Associate a SQL Injection Match Set with a Web ACL Rule

The following example associates the SqlInjDetection match set with a web access control list (ACL) rule.


"SqlInjRule" : { "Type": "AWS::WAF::Rule", "Properties": { "Name": "SqlInjRule", "MetricName" : "SqlInjRule", "Predicates": [ { "DataId" : { "Ref" : "SqlInjDetection" }, "Negated" : false, "Type" : "SqlInjectionMatch" } ] } }


SqlInjRule: Type: "AWS::WAF::Rule" Properties: Name: "SqlInjRule" MetricName: "SqlInjRule" Predicates: - DataId: Ref: "SqlInjDetection" Negated: false Type: "SqlInjectionMatch"

Create a Web ACL

The following example associates the SqlInjRule rule with a web ACL. The web ACL allows all requests except for ones with SQL code in the query string of a request.


"MyWebACL": { "Type": "AWS::WAF::WebACL", "Properties": { "Name": "Web ACL to block SQL injection in the query string", "DefaultAction": { "Type": "ALLOW" }, "MetricName" : "SqlInjWebACL", "Rules": [ { "Action" : { "Type" : "BLOCK" }, "Priority" : 1, "RuleId" : { "Ref" : "SqlInjRule" } } ] } }


MyWebACL: Type: "AWS::WAF::WebACL" Properties: Name: "Web ACL to block SQL injection in the query string" DefaultAction: Type: "ALLOW" MetricName: "SqlInjWebACL" Rules: - Action: Type: "BLOCK" Priority: 1 RuleId: Ref: "SqlInjRule"