diff options
Diffstat (limited to 'docs/manual/caching.html.en')
| -rw-r--r-- | docs/manual/caching.html.en | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/manual/caching.html.en b/docs/manual/caching.html.en index 9b547d4252..fc80030ee1 100644 --- a/docs/manual/caching.html.en +++ b/docs/manual/caching.html.en @@ -232,12 +232,15 @@ in the "Cache-Control:" header.</li> <li>If the URL included a query string (e.g. from a HTML form GET - method) it will not be cached unless the response includes an - "Expires:" header, as per RFC2616 section 13.9.</li> + method) it will not be cached unless the response specifies an + explicit expiration by including an "Expires:" header or the max-age + or s-maxage directive of the "Cache-Control:" header, as per RFC2616 + sections 13.9 and 13.2.1.</li> <li>If the response has a status of 200 (OK), the response must also include at least one of the "Etag", "Last-Modified" or - the "Expires" headers, unless the + the "Expires" headers, or the max-age or s-maxage directive of + the "Cache-Control:" header, unless the <code class="directive"><a href="./mod/mod_cache.html#cacheignorenolastmod">CacheIgnoreNoLastMod</a></code> directive has been used to require otherwise.</li> |