Inserts or deletes RegexMatchTuple
objects (filters) in a RegexMatchSet
. For each
object, you specify the following values:
- Whether to insert or delete the object from the array. If you want to change a
RegexMatchSetUpdate object, you delete the existing object and add a new one.
- The part of a web request that you want AWS WAF to inspectupdate, such as a query string or the value of the
- The identifier of the pattern (a regular expression) that you want AWS WAF to look for. For more information, see RegexPatternSet.
- Whether to perform any conversions on the request, such as converting it to lowercase, before inspecting it for the specified string.
For example, you can create a
that matches any requests with
headers that contain the string
. You can then configure AWS WAF to reject those requests.
To create and configure a
, perform the following steps:
- Create a
RegexMatchSet. For more information, see CreateRegexMatchSet.
- Use GetChangeToken to get the change token that you provide in the
ChangeToken parameter of an
- Submit an
UpdateRegexMatchSet request to specify the part of the request that you want AWS WAF to inspect (for example, the header or the URI) and the identifier of the
RegexPatternSet that contain the regular expression patters you want AWS WAF to watch for.
For more information about how to use the AWS WAF API to allow or block HTTP requests, see the AWS WAF Developer Guide