Looking for logging into the Synology Ssh site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Synology Ssh site. After that you can login as usual with your login credentials.
https://www.synology.com/ja-jp/knowledgebase/DSM/tutorial/General_Setup/How_to_login_to_DSM_with_root_permission_via_SSH_Telnet
https://www.synology.com/ja-jp/knowledgebase/SRM/help/SRM/RouterApp/admin_services
https://qiita.com/shimizumasaru/items/56474d98e723ea1b5ae3
http://www.web-walker.info/ds216j-ssh/
https://itnews.jp/?p=11472
https://urashita.com/archives/8361
https://webnetforce.net/synology-diskstation-ssh/
https://www.ask-corp.jp/faq/index.php?action=artikel&cat=125&id=641&artlang=ja
http://nuneno.cocolog-nifty.com/blog/2016/08/synology-nasds2.html
http://krypted.com/synology/enable-ssh-access-synology/
https://japan.cnet.com/article/35082471/5/
https://blog.aaronlenoir.com/2018/05/06/ssh-into-synology-nas-with-ssh-key/
https://www.chainsawonatireswing.com/2012/01/15/ssh-into-your-synology-diskstation-with-ssh-keys/