Rebex Buru SFTP Server documentation
Supported SSH algorithms
Buru SFTP Server currently supports SSH algorithms listed below. You can fine-tune the order of preference of algorithms or enable / disable altogether in the configuration file.
Key exchange algorithms
| Name | Key length | Description |
|---|---|---|
| diffie-hellman-group-exchange-sha256 | Negotiated | Diffie Hellman with group exchange and SHA-256 hash |
| diffie-hellman-group16-sha512 | 4096 bits | Diffie Hellman with Oakley Group 16 and SHA-512 hash |
| diffie-hellman-group15-sha512 | 3072 bits | Diffie Hellman with Oakley Group 15 and SHA-512 hash |
| diffie-hellman-group14-sha256 | 2048 bits | Diffie Hellman with Oakley Group 14 and SHA-256 hash |
| diffie-hellman-group-exchange-sha1 | Negotiated | Diffie Hellman with group exchange and SHA-1 hash |
| diffie-hellman-group14-sha1 | 2048 bits | Diffie Hellman with Oakley Group 14 and SHA-1 hash |
| diffie-hellman-group1-sha1 | 1024 bits | Diffie Hellman with Oakley Group 2 and SHA-1 hash |
| ecdh-sha2-nistp256 | 256 bits | Elliptic Curve Diffie Hellman with NIST P-256 curve and SHA-256 hash |
| ecdh-sha2-nistp384 | 384 bits | Elliptic Curve Diffie Hellman with NIST P-384 curve and SHA-384 hash |
| ecdh-sha2-nistp521 | 521 bits | Elliptic Curve Diffie Hellman with NIST P-521 curve and SHA-512 hash |
| curve25519-sha256(curve25519-sha256@libssh.org) | 256 bits | Elliptic Curve Diffie-Hellman on Curve25519 with SHA-256 hash |
Host key algorithms
| Name | Description |
|---|---|
| ssh-dss | NIST Digital Signature Algorithm (DSA) with SHA-1 hash |
| ssh-rsa | RSA with SHA-1 hash |
| ssh-rsa-sha256@ssh.com | RSA with SHA-256 hash |
| rsa-sha2-256 | RSA with SHA-256 hash |
| rsa-sha2-512 | RSA with SHA-512 hash |
| x509v3-sign-rsa-sha256@ssh.com | X.509 certificate with RSA and SHA-256 hash |
| x509v3-sign-rsa | X.509 certificate with RSA and SHA-1 hash |
| x509v3-sign-dss | X.509 certificate with DSA and SHA-1 hash |
| ecdsa-sha2-nistp256 | Elliptic Curve Digital Signature Algorithm (ECDSA) on NIST P-256 curve with SHA-256 hash |
| ecdsa-sha2-nistp384 | Elliptic Curve Digital Signature Algorithm (ECDSA) on NIST P-384 curve with SHA-384 hash |
| ecdsa-sha2-nistp521 | Elliptic Curve Digital Signature Algorithm (ECDSA) on NIST P-521 curve with SHA-512 hash |
| ssh-ed25519 | Ed25519, an Edwards-curve Digital Signature Algorithm (EdDSA) |
Encryption algorithms
| Name | Description |
|---|---|
| aes256-gcm@openssh.com | AES in GCM mode with 256-bit key |
| aes128-gcm@openssh.com | AES in GCM mode with 128-bit key |
| aes256-ctr | AES in CTR mode with 256-bit key |
| aes192-ctr | AES in CTR mode with 192-bit key |
| aes128-ctr | AES in CTR mode with 128-bit key |
| aes256-cbc | AES in CBC mode with 256-bit key |
| aes192-cbc | AES in CBC mode with 192-bit key |
| aes128-cbc | AES in CBC mode with 128-bit key |
| 3des-ctr | TripleDES in CTR mode |
| 3des-cbc | TripleDES in CBC mode |
| twofish256-ctr | Twofish in CTR mode with 256-bit key |
| twofish192-ctr | Twofish in CTR mode with 192-bit key |
| twofish128-ctr | Twofish in CTR mode with 128-bit key |
| twofish256-cbc | Twofish in CBC mode with 256-bit key |
| twofish192-cbc | Twofish in CBC mode with 192-bit key |
| twofish128-cbc | Twofish in CBC mode with 128-bit key |
| twofish-cbc | Twofish in CBC mode with 256-bit key |
| blowfish-ctr | Twofish in CTR mode with 256-bit key |
| blowfish-cbc | Blowfish in CBC mode with 128-bit key |
| chacha20-poly1305@openssh.com | ChaCha20/Poly1305 AEAD cipher with 256-bit key |
| arcfour256 | ArcFour (RC4) stream cipher (with discard step) with 256-bit key |
| arcfour128 | ArcFour (RC4) stream cipher (with discard step) with 128-bit key |
| arcfour | ArcFour (RC4) stream cipher with 128-bit key |
MAC algorithms
| Name | Description |
|---|---|
| hmac-sha2-256-etm@openssh.com | SHA-256 (ETM mode) |
| hmac-sha2-256 | SHA-256 |
| hmac-sha2-512-etm@openssh.com | SHA-512 (ETM mode) |
| hmac-sha2-512 | SHA-512 |
| hmac-sha1 | SHA-1 |
| hmac-md5 | MD5 |
| hmac-sha1-96 | SHA-1 (trimmed to 96 bits) |
| hmac-md5-96 | MD5 (trimmed to 96 bits) |
What next?
Non-commercial use
Get a free non-commercial license. It includes most of the features of Professional edition.
Get free licenseCommercial use
If you use the server for anything related to business or commercial use you have to purchase a license.
Sales contact
sales@rebex.net
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