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sbx-policy: clarify network rule port matching #25939

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sbx-policy: clarify network rule port matching #25939

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4 changes: 4 additions & 0 deletions content/manuals/ai/sandboxes/governance/concepts.md
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Expand Up @@ -64,6 +64,10 @@ ranges, or ports. The governance policy schema also accepts `connect:udp`, but
Docker Sandboxes always blocks direct external UDP and ICMP. `connect:udp`
rules have no effect.

When a resource doesn't specify a port, the rule matches every port on that
destination. `example.com` matches all ports on `example.com`; `example.com:443`
matches only port 443.

**Hostname patterns**

| Pattern | Example | Matches |
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