PuTTY

Remarks

Supported protocols

Ciphers: 3des-cbc, 3des-ctr, des-cbc, des-cbc@ssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-cbc, aes192-cbc, aes256-cbc, rijndael-cbc@lysator.liu.se, arcfour128, arcfour256, blowfish-cbc, blowfish-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com, chacha20-poly1305@openssh.com

Compression formats: zlib, zlib@openssh.com, none

Hostkey formats: ssh-rsa, ssh-dss, ssh-ed25519, ssh-ed448, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521, rsa-sha2-256, rsa-sha2-512, ssh-rsa-cert-v01@openssh.com, ssh-dss-cert-v01@openssh.com, ssh-ed25519-cert-v01@openssh.com, ecdsa-sha2-nistp256-cert-v01@openssh.com, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp521-cert-v01@openssh.com, rsa-sha2-256-cert-v01@openssh.com, rsa-sha2-512-cert-v01@openssh.com

Key exchange protocols: diffie-hellman-group1-sha1, diffie-hellman-group14-sha1, diffie-hellman-group14-sha256, diffie-hellman-group15-sha512, diffie-hellman-group16-sha512, diffie-hellman-group17-sha512, diffie-hellman-group18-sha512, diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, curve25519-sha256, curve25519-sha256@libssh.org, curve448-sha512, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, sntrup761x25519-sha512@openssh.com, rsa1024-sha1, rsa2048-sha256, gss-gex-sha1-*, gss-group1-sha1-*, gss-group14-sha1-*, gss-group14-sha256-*, gss-group15-sha512-*, gss-group16-sha512-*, gss-group17-sha512-*, gss-group18-sha512-*, gss-curve25519-sha256-*, gss-nistp256-sha256-*, gss-nistp384-sha384-*, gss-nistp521-sha512-*, ext-info-c, kex-strict-c-v00@openssh.com, kex-strict-s-v00@openssh.com

Message authentication codes (MACs): hmac-md5, hmac-sha1, hmac-sha1-96, hmac-sha2-256, hmac-sha2-512, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, hmac-sha1-96-etm@openssh.com, hmac-md5-etm@openssh.com

User authentication methods: publickey, password, keyboard-interactive, gssapi-with-mic, gssapi-keyex

Protocol extensions: server-sig-algs