Try to add this setting: dns_v4_first on Latter check settings and see if there is no issue with the setting. squid -k parse. Then reload: squid -k reconfigure Test. On Mon, Apr 9, 2018 at 1:05 PM, Antony Stone <Antony.Stone@xxxxxxxxxxxxxxxxxxxx> wrote: > On Monday 09 April 2018 at 21:58:52, Roberto Carna wrote: > >> Dear Antony, both proxies are virtual machines in the same DMZ....they >> use the same DNS, the same firewall, the same Internet link, the same >> IP but different MAC Address. > > So, what is different between "test" and "production"? > > > Antony. > > -- > "Remember: the S in IoT stands for Security." > > - Jan-Piet Mens > > Please reply to the list; > please *don't* CC me. > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users