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[Feature]: Add support for IPv4-ONLY proxy on IPv4+IPv6 hosts (force IPv4). #266
Description
Platform
Windows
ProxyBridge Version
4.2.0
OS and Version
Windows 11 26H2
Documentation
- I have read the Windows documentation
- I have read the macOS documentation
- I have read the Linux documentation
Code Review
- I have gone through the code page
Describe the Feature
Problem: Copilot proxy tries to go ipv6 through ipv4 only proxy. Requests are dropping on proxy. (direct=ipv4+ipv6, proxy=ipv4+blocking ipv6). It forces me to disable ipv6 globally on my computer (it's very inconvenient) to use only ipv4 on proxy.
Proposed solution: Adding feature "force IPv4" for ProxyBridge proxy server options.
Benefits: It would be possible to work (proxy=only ipv4, direct=ipv4+ipv6).
Additional Context
Activity
[-][Feature]: Add "force IPv4" for ipv4-only proxy on ipv4+ipv6 hosts.[/-][+][Feature]: Add support for IPv4-ONLY proxy on IPv4+IPv6 hosts.[/+][-][Feature]: Add support for IPv4-ONLY proxy on IPv4+IPv6 hosts.[/-][+][Feature]: Add support for IPv4-ONLY proxy on IPv4+IPv6 hosts (force IPv4).[/+]Anof-cyber commentedon Oct 20, 2026
Its not ProxyBridge issue. ProxyBridge already support ipv4 and v6 both for Proxy. Your proxy server might not support v6 traffic. You can customise your rules to include only ipv4 to proxy
MrMarvel commentedon Oct 20, 2026
mmmm. If i manually set ipv4 hosts in targets i will get inconsistent state: IPv4 will be proxied but IPv6 will be direct.
I don't want to share my real ipv6.
Anof-cyber commentedon Oct 20, 2026
Whats the expections here? Either you have proxy all traffic, or split them v4 via proxy and v6 direct, or all as direct.
The dest ip is not coming from ProxyBridge. Copilot app connecting to server which uses v4 and v6 both.
This has nothing to do with ProxyBridge.
MrMarvel commentedon Oct 20, 2026
Can AAAA dns results be removed by ProxyBridge?
Anof-cyber commentedon Oct 20, 2026
Possible, but not in the current goal. An alternative for you is to block IPv6 traffic for the Copilot app and set up another IPv4 rule as a proxy.
MrMarvel commentedon Oct 20, 2026
Yep, It's not a perfect workaround but that works for my case.