BE ADVISED: The SSC-5 can only run code up to 6.2(2)E4, the IPS-4215 can only run code up to 6.0(2)E4. BE ADVISED: All signatures have an "engine" version, i.e IPS-sig-S502-req-E4.pkg runs on the E4 engine, so if the sensor is not running x.y(z)E4,...