sp.disable_functions.function("system").drop().cidr("127.0.0.1/8");
sp.disable_functions.function("printf").drop().cidr("10.0.0.1/8");
sp.disable_functions.function("strpos").drop().cidr("2001:0db8:0000:0000:0000:ff00:0042:8329/24");
sp.disable_functions.function("printf").drop().cidr("2002:0db8:0000:0000:0000:ff00:0042:8329/24");