[squid-users] Sibling peer cache not working, ver 3.5.27

leonyuuu leonyu365 at gmail.com
Wed Dec 11 04:47:32 UTC 2019

For cache digest requests between two interception squid proxies, it will
actually display "forward loop detection" in the cache.log and the last Via
host for that query(cache-digest-db) is itself. So is it also the root cause
why the cache-miss forwarding between two proxies is not working? Since the
proxy1 actually never knows the cache digest content of proxy0. 

Another question, why the interception squid proxy will append itself onto
the Via field of request? It actually forward the request by iptables
PREROUTING phase, which is before the packet is accepted by the squid

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