AWS::NetworkFirewall::RuleGroup TCPFlagField
TCP flags and masks to inspect packets for. This is used in the AWS::NetworkFirewall::RuleGroup MatchAttributes specification.
For example:
"TCPFlags": [
{
"Flags": [
"ECE",
"SYN"
],
"Masks": [
"SYN",
"ECE"
]
}
]
Syntax
To declare this entity in your Amazon CloudFormation template, use the following syntax:
Properties
Flags
-
Used in conjunction with the
Masks
setting to define the flags that must be set and flags that must not be set in order for the packet to match. This setting can only specify values that are also specified in theMasks
setting.For the flags that are specified in the masks setting, the following must be true for the packet to match:
-
The ones that are set in this flags setting must be set in the packet.
-
The ones that are not set in this flags setting must also not be set in the packet.
Required: Yes
Type: Array of String
Update requires: No interruption
-
Masks
-
The set of flags to consider in the inspection. To inspect all flags in the valid values list, leave this with no setting.
Required: No
Type: Array of String
Update requires: No interruption