Update app-services page to include network-debugging tip#2099
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Some environments still run IPv4 only. If a user only assigns an IPv6 address to their service, it be difficult to debug why a typical `curl https://<app>.fly.dev` command does not work. Adds a debugging tip for users in these network situations.
… shared IPv4 docs
kcmartin
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Jul 8, 2026
kcmartin
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Thanks @max-flint, good catch. I pushed a small edit to make the tip actionable (check fly ips list, plus the shared IPv4 command and doc link), and adding some terms to the Vale linter vocab. Merging now.
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Summary of changes
Some environments still run IPv4 only. If a user only assigns an IPv6 address to their service, it be difficult to debug why a typical
curl https://<app>.fly.devcommand does not work.Adds a debugging tip for users in these network situations.
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Related Fly.io community and GitHub links
Notes