Tectia SSH
- Homepage: https://www.ssh.com/products/tectia-ssh
- First release: 1995-07
- Latest release: 6.6.6 (2025-06-16)
- Version history: https://www.ssh.com/tectia-server-product-update
- License: Proprietary
- Client: true
- Server: true
Remarks
- Formerly known as just “SSH” or “ssh.com”
- Strictly speaking, the Tectica SSH client and server are two separate products.
- The information here is based on the Tectia SSH manual, in particular the list of default and supported SSH algorithms as well as the list of supported user authentication methods.
- WARNING: The data here was lasted update for release 6.6.6; changes made since then are not reflected by the list above.
Supported protocols
Ciphers: 3des-cbc, AEAD_AES_128_GCM, AEAD_AES_256_GCM, aes128-cbc, aes128-ctr, aes128-gcm@openssh.com, aes192-cbc, aes192-ctr, aes256-cbc, aes256-ctr, aes256-gcm@openssh.com, arcfour, blowfish-cbc, crypticore128@ssh.com, seed-cbc@ssh.com, twofish128-cbc, twofish192-cbc, twofish256-cbc, twofish-cbc
Compression formats: none, zlib
Hostkey formats: ecdsa-sha2-nistp256, ecdsa-sha2-nistp256-cert-v01@openssh.com, ecdsa-sha2-nistp384, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp521, ecdsa-sha2-nistp521-cert-v01@openssh.com, rsa-sha2-256, rsa-sha2-256-cert-v01@openssh.com, rsa-sha2-512, rsa-sha2-512-cert-v01@openssh.com, ssh-dss, ssh-dss-cert-v01@openssh.com, ssh-dss-sha224@ssh.com, ssh-dss-sha256@ssh.com, ssh-dss-sha384@ssh.com, ssh-dss-sha512@ssh.com, ssh-ed25519, ssh-ed25519-cert-v01@openssh.com, ssh-rsa, ssh-rsa-cert-v01@openssh.com, ssh-rsa-sha224@ssh.com, ssh-rsa-sha256@ssh.com, ssh-rsa-sha384@ssh.com, ssh-rsa-sha512@ssh.com, x509v3-ecdsa-sha2-nistp256, x509v3-ecdsa-sha2-nistp384, x509v3-ecdsa-sha2-nistp521, x509v3-rsa2048-sha256, x509v3-sign-dss, x509v3-sign-dss-sha224@ssh.com, x509v3-sign-dss-sha256@ssh.com, x509v3-sign-dss-sha384@ssh.com, x509v3-sign-dss-sha512@ssh.com, x509v3-sign-rsa, x509v3-sign-rsa-sha224@ssh.com, x509v3-sign-rsa-sha256@ssh.com, x509v3-sign-rsa-sha384@ssh.com, x509v3-sign-rsa-sha512@ssh.com, x509v3-ssh-dss, x509v3-ssh-rsa
Key exchange protocols: curve25519-frodokem1344-sha512@ssh.com, curve25519-sha256, curve25519-sha256@libssh.org, curve448-kyber1024-sha512@ssh.com, diffie-hellman-group14-sha1, diffie-hellman-group14-sha224@ssh.com, diffie-hellman-group14-sha256, diffie-hellman-group14-sha256@ssh.com, diffie-hellman-group15-sha256@ssh.com, diffie-hellman-group15-sha384@ssh.com, diffie-hellman-group16-sha384@ssh.com, diffie-hellman-group16-sha512, diffie-hellman-group16-sha512@ssh.com, diffie-hellman-group18-sha512, diffie-hellman-group18-sha512@ssh.com, diffie-hellman-group1-sha1, diffie-hellman-group-exchange-sha1, diffie-hellman-group-exchange-sha224@ssh.com, diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha384@ssh.com, diffie-hellman-group-exchange-sha512@ssh.com, ecdh-nistp521-kyber1024-sha512@ssh.com, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, mlkem1024nistp384-sha384, mlkem768nistp256-sha256, mlkem768x25519-sha256, sntrup761x25519-sha512@openssh.com
Message authentication codes (MACs): crypticore-mac@ssh.com, hmac-md5, hmac-md5-96, hmac-md5-96-etm@openssh.com, hmac-md5-etm@openssh.com, hmac-sha1, hmac-sha1-96, hmac-sha1-96-etm@openssh.com, hmac-sha1-etm@openssh.com, hmac-sha224@ssh.com, hmac-sha2-256, hmac-sha2-256-etm@openssh.com, hmac-sha2-512, hmac-sha2-512-etm@openssh.com, hmac-sha256@ssh.com, hmac-sha256-2@ssh.com, hmac-sha384@ssh.com, hmac-sha512@ssh.com
User authentication methods: password, publickey, hostbased, keyboard-interactive, gssapi-with-mic
Protocol extensions: