[ILUG] 302 redirection strangeness
Niall O Broin
niall at linux.ie
Tue Mar 28 13:54:45 IST 2006
On 28 Mar 2006, at 13:27, Martin Feeney wrote:
>> However, sensible as it sounds, it's not what's happening :-( My
>> original post was incorrect (it was late :-( ) and the count of
>> 200 result codes I gave was in fact the count of ALL matches in
>> the logs for the redirected files on serverB, which did contain a
>> significant number of 304s. Apologies for the confusion, but the
>> basic question remains the same - why do 25% of the requesters to
>> the original server not follow the redirect?
> Maybe it's a DNS issue? They're not resolving the redirected
> site? Has it been up long or changed IP adress recently? You know
> how some ISPs love to hold onto their old DNS cache.
Yes, but it's not that - the address of this server is long established.
> Can you grep for hosts that get 302s, but don't hit the redirect
> server? The answer's probably in the logs somewhere, if you grep
> it enough.
That's easily done - I've grepped the logs for one file, and seen a
side by side view of the requests to serverA and then to serverB. All
that does is show me what IPs didn't follow the redirects.
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