HP Cache Server Appliance Administrator Guide

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Appendix D Configuration Files
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
1 Enables (1) or disables (0) caching of
alternate versions of HTTP objects.
proxy.config.http.cache.when_to_
revalidate
INT
0 Specifies when to revalidate content.
0 = Use cache directives or heuristic.
1=Staleifheuristic.
2 = Always stale (always revalidate).
3 = Never stale.
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 addedtoallMSIErequests.
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=atleast
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.add_content_
length
INT
0 When enabled (1), Traffic Server adds the
content length header in a request if it is
absent.
proxy.config.http.cache.range.lookup
INT
1 When enabled (1) Traffic Server looks up
range requests in the cache.
heuristic expiration
proxy.config.http.cache.heuristic_min_
lifetime
INT
3600 Specifies the minimum amount of time that a
document in the cache can be considered
fresh.
proxy.config.http.cache.heuristic_max_
lifetime
INT
86400 Specifies the maximum amount of time that a
document in the cache can be considered
fresh.
proxy.config.http.cache.heuristic_lm_
factor
FLOAT
0.10 Specifies the aging factor for freshness
computations.
proxy.config.http.cache.fuzz.time
INT
240 Specifies the interval in seconds before the
document stale time that Traffic Server
checks for an early refresh.
Configuration Variable
Data Type
Default Value Description