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Revoke Security Group Rules

To revoke security group rules:

  1. Enter the following command:
    euca-revoke -P <protocol> -p <port_number> -s <CIDR_source_network> <group_name>

Example

The following example revokes the network rules authorized for the security group mygroup.
euca-revoke -P tcp -p 22 -s 0.0.0.0/0 mygroup