Sometimes routing traffic through a VPN provider is desirable for privacy or for directing network traffic. However, at other times we may want to access our Internet connection normally. The Subgraph OS team has introduced a method which allows one application to use a VPN while all the other applications on the system continue to use the regular network connection to the outside world. "Have you ever wanted to have just a single app use an OpenVPN based VPN, exclusively? Including for DNS resolutions? Subgraph Oz with multi-bridge support brings (experimental) support for OpenVPN sandbox network transports to Subgraph OS. This means that you can configure specific sandboxed applications so that all traffic from the sandboxed process exits through a specific OpenVPN-based VPN. This guide will explain how to do that for Chromium, while keeping the "regular" Chromium configured for clearnet. All other traffic will continue to exit over Tor. To accomplish this we rely on bridges and policy routing, both great features supported by the Linux kernel. Bridges can be configured for any sandbox, and Oz will dynamically create a new sandbox-specific routing table and create routing policy rules when OpenVPN brings the tun interface up. System firewall rules also get dynamically reloaded to enable forwarding between the interfaces." Instructions on how to test the new feature can be found in the project's documentation.
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