Note
AWS WAF Classic support will end on September 30, 2025.
This is AWS WAF Classic documentation. For more information, see AWS WAF Classic in the developer guide.
For the latest version of AWS WAF , use the AWS WAFV2 API and see the AWS WAF Developer Guide. With the latest version, AWS WAF has a single set of endpoints for regional and global use.
Specifies the IP address type (IPV4 or IPV6) and the IP address range (in CIDR format) that web requests originate from.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
Properties
Type-
Specify
IPV4orIPV6.Required: Yes
Type: String
Allowed values:
IPV4 | IPV6Update requires: No interruption
Value-
Specify an IPv4 address by using CIDR notation. For example:
-
To configure AWS WAF to allow, block, or count requests that originated from the IP address 192.0.2.44, specify
192.0.2.44/32. -
To configure AWS WAF to allow, block, or count requests that originated from IP addresses from 192.0.2.0 to 192.0.2.255, specify
192.0.2.0/24.
For more information about CIDR notation, see the Wikipedia entry Classless Inter-Domain Routing
. Specify an IPv6 address by using CIDR notation. For example:
-
To configure AWS WAF to allow, block, or count requests that originated from the IP address 1111:0000:0000:0000:0000:0000:0000:0111, specify
1111:0000:0000:0000:0000:0000:0000:0111/128. -
To configure AWS WAF to allow, block, or count requests that originated from IP addresses 1111:0000:0000:0000:0000:0000:0000:0000 to 1111:0000:0000:0000:ffff:ffff:ffff:ffff, specify
1111:0000:0000:0000:0000:0000:0000:0000/64.
Required: Yes
Type: String
Pattern:
.*\S.*Minimum:
1Maximum:
50Update requires: No interruption
-
