On 21/08/2014 11:56 p.m., Délsio Cabá wrote: > Hi, > > I have just update to the latest version, and the results are clear: > cat /var/log/squid/access.log | awk '{print $4}' | sort | uniq -c | sort -rn > 486561 TCP_MISS/200 > 89612 TCP_MISS/304 > 52123 TCP_MEM_HIT/200 > 40408 TCP_MISS/206 > 36267 TCP_MISS/302 > 20904 TCP_MISS/204 > 12246 TCP_IMS_HIT/304 > 12171 TCP_MISS/404 > 10533 TCP_MISS/301 > 9145 TCP_MISS/000 > 6004 TCP_OFFLINE_HIT/200 > ...... > > It's said that MISS/301, MISS/303 are not cacheable without special > instructions. > > What are those SPECIAL instructions? http://tools.ietf.org/html/rfc7234#section-3 301 is a status code defined as cacheable by default. 303 depends on the other conditions. Amos