Third-Party Gateway TLS Validation for Secure Egress Traffic
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Solution Overview
Problem
Existing systems lack an effective mechanism to validate egress traffic from data centers and internal services to external networks, ensuring data security and privacy while adhering to privacy policies and regulatory standards.
Innovation Solution
A third party gateway system comprising a proxy and a gateway agent is introduced to terminate TLS communication, validate egress traffic based on predetermined rules, and forward or block traffic accordingly, ensuring compliance with privacy policies and regulatory standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If egress traffic is allowed to flow freely from data center to external network, then network connectivity and service functionality are maintained, but data security and privacy compliance cannot be ensured
Solution Approach 1:
A third-party gateway is introduced as an intermediary component between the data center network and external networks. The gateway includes a proxy that terminates TLS connections and a gateway agent that validates egress traffic against predetermined requirements. This intermediary structure enables security validation without blocking legitimate network connectivity, as the gateway transparently processes and validates traffic flow.
Solution Approach 2:
The gateway system segments the network traffic validation function into distinct components: the proxy handles TLS termination and traffic forwarding, while the gateway agent performs validation against security requirements. This segmentation allows each component to specialize in specific security functions, maintaining network connectivity while ensuring comprehensive security validation of egress traffic.
2Reliability
If TLS communication is terminated and validated, then data security and privacy compliance are improved, but system complexity increases
Solution Approach 1:
The gateway system is designed to perform multiple functions within a single integrated architecture: TLS termination, traffic validation, and secure forwarding. By consolidating these functions into a universal gateway platform, the system achieves comprehensive security and privacy compliance without proportionally increasing complexity, as shared infrastructure supports all validation operations.
3Reliability
If traffic validation is performed before forwarding, then invalid traffic is blocked ensuring security, but processing time and system overhead increase
Solution Approach 1:
The gateway performs validation actions preliminarily, checking egress traffic against predetermined requirements before forwarding to external destinations. This preliminary validation prevents invalid traffic from reaching external networks, ensuring network integrity while optimizing processing time by performing checks early in the traffic flow rather than after transmission.
Data Source
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AI summary
A third party gateway (230) for validating egress traffic in a computer network system is provided. The third party gateway (230) includes a proxy (240, 250) and a gateway agent (260). The proxy (240, 250) includes a termination proxy and a forward proxy. The proxy (240, 250) is configured to terminate Transport Layer Security communication for the egress traffic. The proxy (240, 250) is further configured to forward the egress traffic to the gateway agent (260). The gateway agent (260) is configured to validate the egress traffic as valid traffic or invalid traffic based on predetermined validation requirements. The proxy (240, 250) is further configured to receive the valid traffic or the invalid traffic from the gateway agent (260), and to forward the valid traffic to a destination service or to block the invalid traffic.