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Feb 10, 2026
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docs: simplify request processing diagram #5

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19 changes: 7 additions & 12 deletions README.md
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Expand Up @@ -47,22 +47,17 @@ This makes BotBox a natural fit for any scenario where you need to **run untrust
### Request Processing

```mermaid
flowchart TD
A["Incoming HTTP request"] --> B{"Host in<br/>allowlist?"}
B -- "No" --> C["403 Forbidden"]
B -- "Yes" --> D["Strip hop-by-hop headers"]
D --> E["Set Host header for upstream"]
E --> F{"Header rewrite<br/>rules?"}
F -- "Yes" --> G["Delete existing header<br/><i>prevent smuggling</i>"]
G --> H["Inject secret from<br/>K8s Secret mount"]
H --> I["TLS origination<br/><i>http → https</i>"]
F -- "No" --> I
I --> J["Stream response back"]
flowchart LR
A["HTTP request"] --> B{"Allowlist"}
B -- "deny" --> C["403"]
B -- "allow" --> D["Rewrite headers\n+ inject secrets"] --> E["TLS → upstream"]

style C fill:#fee2e2,stroke:#dc2626
style J fill:#d1fae5,stroke:#059669
style E fill:#d1fae5,stroke:#059669
```

See [Architecture](docs/architecture.md) for the full request processing pipeline.

### iptables Network Rules

```mermaid
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