5G Network Function Validation Gateway Against HTTP/2 Threats

The patent introduces an intermediary validation layer between HTTP/2 protocol operations and network functions. This intermediary validates all input parameters, messages, and data before processing, blocking malicious content such as SQL injection attempts, XSS scripts, and other cyber threats while allowing legitimate HTTP/2 communications to proceed. The intermediary acts as a security gateway that preserves protocol flexibility while filtering harmful factors.

The patent applies preliminary validation actions before TLS encryption occurs in the communication flow. Input validation, parameter sanitization, and message structure verification are performed on plaintext data before it enters the encryption pipeline. This preliminary action prevents malicious modification of messages at the source, ensuring that only validated, clean data is encrypted and transmitted, thereby maintaining both confidentiality and integrity.

The patent segments the validation process into distinct, modular layers: parameter validation, message structure validation, content-type validation, SQL injection detection, XSS detection, and rate-limiting. Each validation layer operates independently and can be configured separately. This segmentation reduces overall system complexity by making each component manageable and maintainable while collectively providing comprehensive security protection.