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25ca79df1e
Store numerical IPv6 addresses in the alt-svc file with the brackets present. Verify with test 437 and 438 Fixes #11737 Reported-by: oliverpool on github Closes #11743
45 lines
1.2 KiB
Markdown
45 lines
1.2 KiB
Markdown
# Alt-Svc
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curl features support for the Alt-Svc: HTTP header.
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## Enable Alt-Svc in build
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`./configure --enable-alt-svc`
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(enabled by default since 7.73.0)
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## Standard
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[RFC 7838](https://datatracker.ietf.org/doc/html/rfc7838)
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# Alt-Svc cache file format
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This is a text based file with one line per entry and each line consists of nine
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space separated fields.
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## Example
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h2 quic.tech 8443 h3-22 quic.tech 8443 "20190808 06:18:37" 0 0
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## Fields
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1. The ALPN id for the source origin
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2. The host name for the source origin
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3. The port number for the source origin
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4. The ALPN id for the destination host
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5. The host name for the destination host
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6. The host number for the destination host
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7. The expiration date and time of this entry within double quotes. The date format is "YYYYMMDD HH:MM:SS" and the time zone is GMT.
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8. Boolean (1 or 0) if "persist" was set for this entry
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9. Integer priority value (not currently used)
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If the host name is an IPv6 numerical address, it is stored with brackets such
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as `[::1]`.
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# TODO
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- handle multiple response headers, when one of them says `clear` (should
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override them all)
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- using `Age:` value for caching age as per spec
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- `CURLALTSVC_IMMEDIATELY` support
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