1. The problem I’m having: When there is an option, how does caddy choose between using ipv4 and ipv6? For example, during a reverse_proxy myhost where myhost resolves both to an ipv4 and ipv6 address. Does it do something similar to web browsers and use the happy eyeballs algorithm? Or does it alw…

[image] Mohammed90: Caddy doesn’t resolve the upstreams once at boot time. The upstream address is resolved continuously. Perfect. I made a toy example that curl’d from myhost every 2 seconds and it seemed to instantly switch between ipv4 and ipv6 as each network individually went down if the…

Caddy's preference: ipv4 vs ipv6

Help

Mohammed90 (Mohammed Al Sahaf) May 29, 2025, 3:58am 2

Discussed and answered here

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