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gateway: clean Cache-Control and Last-Modified #436

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Sep 25, 2023
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gateway: clean Cache-Control and Last-Modified #436

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56de6ec
gateway: clean Cache-Control and Last-Modified
hacdias Sep 5, 2023
1148af2
chore: apply feedback suggestions
hacdias Sep 7, 2023
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13 changes: 7 additions & 6 deletions src/http-gateways/path-gateway.md
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Expand Up @@ -370,17 +370,18 @@ in caches.

Returned directive depends on requested content path and format:

- `Cache-Control: public, max-age=29030400, immutable` must be returned for
- `Cache-Control: public, max-age=29030400, immutable` MUST be returned for
every immutable resource under `/ipfs/` namespace.

- `Cache-Control: public, max-age=<ttl>` should be returned for mutable
resources under `/ipns/{id-with-ttl}/` namespace; `max-age=<ttl>` should
indicate remaining TTL of the mutable pointer such as IPNS record or DNSLink
- `Cache-Control: public, max-age=<ttl>` SHOULD be returned for mutable
resources under `/ipns/{id-with-ttl}/` namespace; `max-age=<ttl>` SHOULD
indicate remaining TTL of the mutable pointer such as :cite[ipns-record] or DNSLink
TXT record.
- Implementations MAY place an upper bound on any TTL received, as
noted in Section 8 of :cite[rfc2181].
- If TTL value is unknown, implementations SHOULD set it to a static
value, but it SHOULD not be lower than 60 seconds.
- If TTL value is unknown, implementations SHOULD not send a `Cache-Control`
- No matter if TTL value is known or not, implementations SHOULD always
send a [`Last-Modified`](#last-modified-response-header) header with the timestamp of the record resolution.

### `Last-Modified` (response header)

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