NAME
   update-security-group - Update a security group
USAGE
   cf update-security-group SECURITY_GROUP PATH_TO_JSON_RULES_FILE
   The provided path can be an absolute or relative path to a file. The file should have
   a single array with JSON objects inside describing the rules. The JSON Base Object is
   omitted and only the square brackets and associated child object are required in the file.
   Valid json file example:
   [
     {
       "protocol": "tcp",
       "destination": "10.0.11.0/24",
       "ports": "80,443",
       "description": "Allow http and https traffic from ZoneA"
     }
   ]
TIP: Changes require an app restart (for running) or restage (for staging) to apply to existing applications.
SEE ALSO
   restage, security-groups