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From Miles Libbey <mlib...@apache.org>
Subject Re: setting url specific caching time
Date Mon, 30 Aug 2010 23:39:58 GMT
FWIW, the Via: header is now documented here:
http://trafficserver.apache.org/docs/v2/admin/trouble.htm#interpret_via_header
miles
On Aug 9, 2010, at 12:21 PM, Leif Hedstrom wrote:

> On 08/08/2010 11:44 PM, Steve Jiang wrote:
>> Pranav Modi wrote, on 8/8/10 10:32 PM:
>>> Age    14400
>> 
>> TS thinks the item is 4 hours old, is the clock on the origin server 
>> synced with the TS host?  Are the Date and Age headers served from 
>> your origin server correct?  Again, the best practice here is to emit 
>> an explicit Expires: or Cache-Control: header from your origin server 
>> rather than force TS using cache.config.
>> 
>>> Via    HTTP/1.0 <proxy_name> (ApacheTrafficServer/2.1.0 [cSsSfU])
>> 
>> The [cSsSfU] code indicates that TS thinks the document is stale and 
>> revalidated it with the origin server (likely due to the 4 hour age). 
>> This is documented in the Admin Guide Addendum, but I don't see it on 
>> the online admin guide.  Miles, can you get the section for "Via 
>> Header" added to the apache docs?
> 
> Miles, there is a README documenting the flags, can we file a bug and 
> have this added to the official docs?
> 
> 
> http://svn.apache.org/repos/asf/trafficserver/traffic/trunk/proxy/http2/README.via
> 
> Thanks!
> 
> -- Leif
> 


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