https://meta.discourse.org/t/as-of-october-31-2018-microsoft-office-365-will-no-longer-support-tls-1-0-and-1-1/80479/11?u=mpalmer
from: /listen 80;\s+gzip on;/m
to: |
listen 443 ssl http2;
- ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+ ssl_protocols TLSv1.2;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA;
ssl_prefer_server_ciphers on;
ssl_ecdh_curve secp384r1:prime256v1;