ipv6.md: mention IPv4 mapped addresses

Reported-by: Josh Soref
Assisted-by: Jay Satiro
Fixes #13112
Closes #13131
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Daniel Stenberg 2024-03-15 09:38:21 +01:00
parent 77b0571cdc
commit 79cdae4fc7
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2 changed files with 6 additions and 1 deletions

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@ -22,3 +22,7 @@ Example:
Use IPv6 addresses only when resolving hostnames, and not for example try
IPv4.
Your resolver may respond to an IPv6-only resolve request by returning IPv6
addresses that contain "mapped" IPv4 addresses for compatibility purposes.
macOS is known to do this.