If you open up access from/to port 80 or 443, you also open up access to all trojans/spyware/telemetry/auto-update created in the last ten years. You'll want to

If you open up access from/to port 80 or 443, you also open up access to all trojans/spyware/telemetry/auto-update created in the last ten years. You'll want to limit access per user and process.