On 05/16/2016 10:47 AM, Walter H. wrote: > I updated squid 3.4.10 to 3.5.19 on my CentOS VM, I noticed that the > generated certificates are now SHA2 and not SHA1, > can I influence somewhere to generate still SHA1 certificates? Yes, you can: http://www.squid-cache.org/Doc/config/sslproxy_cert_sign_hash/ Alex.