Looking for logging into the Sftp 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 Sftp site. After that you can login as usual with your login credentials.
https://webkaru.net/linux/sftp-command/
https://docs.oracle.com/cd/E37932_01/html/E36612/remotehowtoaccess-14.html
https://www2.sun-denshi.co.jp/sftp-%25E3%2581%25A7%25E3%2583%25AD%25E3%2582%25B0%25E3%2582%25A4%25E3%2583%25B3%25E3%2581%25A7%25E3%2581%258D%25E3%2581%25AA%25E3%2581%2584%25E3%2581%25AE%25E3%2581%25AF%25E3%2581%25AA%25E3%2581%259C%25E3%2581%25A7%25E3%2581%2599%25E3%2581%258B%25EF%25BC%259F-438/
https://qiita.com/m1220/items/42e22baaff22ff88cab6
https://qiita.com/g_maeda/items/35997ba9982185d338f4
https://winscp.net/eng/docs/guide_connect
https://help.one.com/hc/en-us/articles/115005585689-How-do-I-log-on-using-SFTP-
https://help.one.com/hc/en-us/articles/115005585709-How-do-I-connect-to-an-SFTP-server-with-FileZilla-
http://www.google.co.jp/url?url=http://www.rtpro.yamaha.co.jp/RT/docs/sftpd/
https://www.digitalocean.com/community/tutorials/how-to-use-sftp-to-securely-transfer-files-with-a-remote-server
https://docs.worldsecuresystems.com/user-manual/site-design/connecting-to-your-site-using-sftp
http://www.google.co.jp/url?url=http://help.boomi.com/atomsphere/GUID-465BACC4-9E0B-418D-A2B0-1E840FADC953.html
https://help.dreamhost.com/hc/en-us/articles/216656067-WinSCP-Connecting-to-your-server