On 05/07/18 09:04, Eliezer Croitoru wrote: > > If i'm not wrong there have been changes with some versions of OpenSSL > at 4.X and I do not remember what it was. Basically Squid-4 supports OpenSSL v1.1. Squid-3 does not. The other TLS/SSL changes in v4 are Squid features and behaviour not specially OpenSSL itself. Amos