
Developed the Xray SendThrough Outbound Address Configuration feature for the 2dust/v2rayN repository, enabling users to specify a local IPv4 address as the outbound source for Xray connections. This work involved designing a dedicated UI input on the core settings page using C# and XAML, implementing input validation, and ensuring persistence of user selections. The backend logic was updated to generate Xray configurations with the sendThrough field for outbound connections, while a targeted fix limited this option to remote egress outbounds for security. Bilingual prompts and documentation were provided to support adoption, with unit testing ensuring reliability across the stack.
In Apr 2026, delivered the SendThrough Outbound Address Configuration for Xray in 2dust/v2rayN. The feature adds a local IPv4 outbound source option for Xray connections, with a dedicated UI input (core settings page), input validation, and persistence. When generating Xray configurations, the sendThrough field is written for outbound connections, enabling precise control over outbound traffic. Aimed to be opt-in (field empty means no field emitted). A related fix ensures SendThrough is limited to remote egress outbounds to avoid unintended exposure. Impact: Improves security, compliance, and observability by hardening outbound source control for Xray, without disturbing existing default behavior for users who do not enable it. The change is isolated to the Xray outbound logic and requires minimal user-side adjustments. Notes: Commit 6c8f22ab86cfcce43e01d9d1d466c19d8838321d (feat(send-through)) with bilingual prompts and detailed changelog; fix accompanying the feature: limit sendThrough to remote egress outbounds.
In Apr 2026, delivered the SendThrough Outbound Address Configuration for Xray in 2dust/v2rayN. The feature adds a local IPv4 outbound source option for Xray connections, with a dedicated UI input (core settings page), input validation, and persistence. When generating Xray configurations, the sendThrough field is written for outbound connections, enabling precise control over outbound traffic. Aimed to be opt-in (field empty means no field emitted). A related fix ensures SendThrough is limited to remote egress outbounds to avoid unintended exposure. Impact: Improves security, compliance, and observability by hardening outbound source control for Xray, without disturbing existing default behavior for users who do not enable it. The change is isolated to the Xray outbound logic and requires minimal user-side adjustments. Notes: Commit 6c8f22ab86cfcce43e01d9d1d466c19d8838321d (feat(send-through)) with bilingual prompts and detailed changelog; fix accompanying the feature: limit sendThrough to remote egress outbounds.

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