How Remote Control Reaches Your Machine Without Opening a Port
Remote Control lets you drive a Claude Code session running on your laptop from your phone, with no port-forwarding or firewall rule configured on your end.
Mechanically, how does that connection actually work?
The correct answer is "Your machine makes outbound HTTPS requests only — never inbound."
Your local session makes outbound HTTPS requests only; it never opens an inbound port. Traffic travels through the Anthropic API over TLS using multiple short-lived, purpose-scoped credentials — which is exactly why no firewall configuration or port forwarding is ever needed on your end.
The distractors describe mechanisms Remote Control doesn't use: it doesn't open a temporary inbound port per session; it doesn't establish a direct VPN tunnel between your devices; and it doesn't rely on your router's UPnP to forward anything.
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