• network –> connectivity –> disable server headers
• error page –> /usr/syno/share/nginx/error.html

source : https://blog.aaronlenoir.com/2018/05/06/ssh-into-synology-nas-with-ssh-key/

ssh-keygen -t rsa -b 4096 -C "user@machine"

in /etc/ssh/sshd_conf

PubkeyAuthentication yes

sudo -i
chmod 755 /myvolume1/homes/myuser
synosystemctl restart sshd.service

/bin/sshd -d -p 1234

• install git server package
• using the menu, open the git server app and give access to the user
• connect with ssh to the nas and create a git repo (git init –bare)
• go inside the git repo and run : git update-server-info