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Configuration Files > records.config > Cache control
Cache control
Help | Content Gateway | Version 8.1.x
 
Configuration Variable
Data Type
Default Value
Description
proxy.config.http.
cache.http
INT
1
Enables (1) or disables (0) caching of HTTP requests.
proxy.config.http.
cache.ftp
INT
1
Enables (1) or disables (0) caching of FTP requests sent via HTTP.
proxy.config.http.cache.
ignore_client_no_cache
INT
0
When enabled (1), Content Gateway ignores client requests to bypass the cache.
proxy.config.http.cache.
ims_on_client_no_cache
INT
0
When enabled (1), Content Gateway issues a conditional request to the origin server if an incoming request has a no-cache header.
proxy.config.http.cache.
ignore_server_no_cache
INT
0
When enabled (1), Content Gateway ignores origin server requests to bypass the cache.
proxy.config.http.cache.
cache_responses_
to_cookies
INT
3
Specifies how cookies are cached:
*
0 = do not cache any responses to cookies
*
1 = cache for any content-type
*
2 = cache only for image types
*
3 = cache for all but text content-types
proxy.config.http.cache.
ignore_authentication
INT
0
When enabled (1), Content Gateway ignores WWW-Authentication headers in responses. WWW-Authentication headers are removed and not cached.
proxy.config.http.cache.
cache_urls_that_look_
dynamic
INT
0
Enables (1) or disables (0) caching of URLs that look dynamic.
proxy.config.http.cache.
enable_default_vary_
headers
INT
0
Enables (1) or disables (0) caching of alternate versions of HTTP objects that do not contain the Vary header.
proxy.config.http.cache.
when_to_revalidate
INT
0
Specifies when to revalidate content:
*
0 = Use cache directives or heuristic (the default value).
*
1 = Stale if heuristic.
*
2 = Always stale (always revalidate).
*
3 = Never stale.
*
4 = Use cache directives or heuristic (0) unless the request has an If-Modified-Since header. If the request has an If-Modified-Since header, Content Gateway always revalidates the cached content and uses the client's If-Modified-Since header for the proxy request.
proxy.config.http.cache.
when_to_add_no_cache_to_
msie_requests
INT
0
Specifies when to add no-cache directives to Microsoft Internet Explorer requests. You can specify the following:
*
0 = no-cache not added to MSIE requests.
*
1 = no-cache added to IMS MSIE requests.
*
2 = no-cache added to all MSIE requests.
proxy.config.http.cache.
required_headers
INT
0
Specifies the type of headers required in a request for the request to be cacheable.
*
0 = no required headers to make document cacheable.
*
1 = at least Last-Modified header required.
*
2 = explicit lifetime required, Expires or Cache-Control.
proxy.config.http.cache.
max_stale_age
INT
604800
Specifies the maximum age allowed for a stale response before it cannot be cached.
proxy.config.http.cache.
range.lookup
INT
1
When enabled (1), Content Gateway looks up range requests in the cache.
proxy.config.http.cache.
cache_301_responses
INT
0
Enables (1) or disables (0) caching of "301" response pages.

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Configuration Files > records.config > Cache control
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