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Stephen RitzandClaude Opus 4.8
7dab6c63d1
The HTTP-to-HTTPS redirect server block bound `listen [::]:{{ HTTP_PORT }}
default_server` unconditionally, while every other IPv6 listen directive in
this template is guarded by `{% if ENABLE_IPV6 %}`. On hosts where IPv6 is
disabled at the kernel level, nginx cannot bind `::` and fails to start.
This only triggers when HTTP_REDIRECT is enabled and ENABLE_IPV6 is false,
which is why it survives testing with ENABLE_IPV6=false alone.
Guard the directive like the other six IPv6 listeners in the template.
Refs #7296
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>