6G • Security
Micro-Firewall Enclave
Per-Function In-Memory Firewall Filter
An ultra-fast firewall running directly inside the memory space of a network function container that inspects incoming API payloads in sub-microseconds.
Technical Explanation
Traditional network firewalls are centralized appliances that create latency bottlenecks when thousands of microservices communicate. A Micro-Firewall Enclave is compiled directly into each network function binary as a WebAssembly or eBPF library. Running inside the same memory address space as the application, it validates incoming Protobuf schemas, strips malformed parameters, and blocks SQL/command injection attacks in nanoseconds without inter-process communication overhead.
Key Functions
- Ultra-fast application-layer firewall embedded directly inside network function containers
- Validating incoming binary Protobuf messages against strict cryptographic schemas
- Sub-microsecond inspection latency eliminating centralized firewall appliance bottlenecks
- Instant protection against buffer overflows, format string bugs, and injection attacks
- Zero-copy in-memory packet inspection preserving extreme low-latency performance
Specifications
CNCF Security TAG Guidelines, 3GPP Rel-19 SBA Security
Interfaces
uFirewall-LibPayload-Sanitize-Bus
Related 6G Concepts
Want to memorize 6G concepts like this one?
Study it with SuperMemo SM-2 spaced repetition flashcards.