SSH¶

Supported connection modes:

Supported features:

Connections multiplexing (video export, session termination, pause, join, playback, raw data),
SCP (raw data, session termination, extracting separate files),
SFTP,
2FA,
Port redirection (video export, session termination, pause, session join, playback, raw data),
SSH Agent forwarding (transparent, not recorded),
X11 - within SSH protocol (video export, session termination, pause, session join, playback, raw data),
Shell (video export, session termination, pause, session join, playback, raw data),
Terminal (video export, session termination, pause, session join, playback, raw data).

Supported encryption algorithms:

Server: RSA, DSA
Listener: RSA, DSA

Supported hashing algorithms:

MD5
SHA256

Supported types of SSH keys:

RSA
ED25519, ED25519-SK
ECDSA, ECDSA-SK
DSA (with the Legacy crypto option enabled)

Supported encoding: UTF-8

Supported ciphers:

Warning

The OpenSSH protocol has been updated to version 9.6 since Fudo Enterprise 5.4.8. The following lists are current as of version 5.4.8.

If you are using a version of Fudo Enterprise earlier than 5.4.8, please refer to the 5.3 or earlier documentation.

If you are using version 5.4.7, please read the warning regarding MAC algorithms below.

Supported key exchange algorithms:
- curve25519-sha256
- curve25519-sha256@libssh.org
- diffie-hellman-group-exchange-sha256
- diffie-hellman-group16-sha512
- diffie-hellman-group18-sha512
- diffie-hellman-group14-sha256
- ecdh-sha2-nistp256
- ecdh-sha2-nistp384
- ecdh-sha2-nistp521
- sntrup761x25519-sha512@openssh.com
additionally, there are 3 more key exchange algorithms supported when the Legacy crypto option is enabled:
- diffie-hellman-group14-sha1
- diffie-hellman-group1-sha1
- diffie-hellman-group-exchange-sha1

Supported host key algorithms:
- ecdsa-sha2-nistp256-cert-v01@openssh.com
- ecdsa-sha2-nistp384-cert-v01@openssh.com
- ecdsa-sha2-nistp521-cert-v01@openssh.com
- ssh-ed25519-cert-v01@openssh.com
- rsa-sha2-512-cert-v01@openssh.com
- rsa-sha2-256-cert-v01@openssh.com
- ecdsa-sha2-nistp256
- ecdsa-sha2-nistp384
- ecdsa-sha2-nistp521
- ssh-ed25519
- rsa-sha2-512
- rsa-sha2-256
- sk-ecdsa-sha2-nistp256-cert-v01@openssh.com
- sk-ecdsa-sha2-nistp256@openssh.com
- sk-ssh-ed25519-cert-v01@openssh.com
- sk-ssh-ed25519@openssh.com
plus, there are 4 more host key algorithms supported when the Legacy crypto option is enabled:
- ssh-rsa
- ssh-rsa-cert-v01@openssh.com
- ssh-dss
- ssh-dss-cert-v01@openssh.com

Supported encryption algorithms:
- chacha20-poly1305@openssh.com
- aes128-ctr
- aes192-ctr
- aes256-ctr
- aes128-gcm@openssh.com
- aes256-gcm@openssh.com
additionally, there are 10 more encryption algorithms supported when the Legacy crypto option is enabled:
- aes128-cbc
- aes192-cbc
- aes256-cbc
- rijndael-cbc@lysator.liu.se
- 3des-cbc
- arcfour256
- arcfour128
- arcfour
- blowfish-cbc
- cast128-cbc

Supported MAC algorithms:
- umac-64-etm@openssh.com
- umac-128-etm@openssh.com
- hmac-sha2-256-etm@openssh.com
- hmac-sha2-512-etm@openssh.com
- umac-64@openssh.com
- umac-128@openssh.com
- hmac-sha2-256
- hmac-sha2-512
plus, there are 11 more MAC algorithms supported when the Legacy crypto option is enabled:
- hmac-sha1
- hmac-sha1-etm@openssh.com
- hmac-sha1-96-etm@openssh.com
- hmac-sha1-96
- hmac-ripemd160
- hmac-ripemd160@openssh.com
- hmac-ripemd160-etm@openssh.com
- hmac-md5
- hmac-md5-96
- hmac-md5-etm@openssh.com
- hmac-md5-96-etm@openssh.com

Warning

Version Fudo Enterprise 5.4.7 introduced a reduced list of supported MAC algorithms:

hmac-sha2-256

hmac-sha2-512

umac-128@openssh.com

umac-64@openssh.com

plus 6 more MAC algorithms supported when the Legacy crypto option enabled:

hmac-md5

hmac-md5-96

hmac-ripemd160

hmac-ripemd160@openssh.com

hmac-sha1

hmac-sha1-96

Notes:

SSH protocol implementation supports user authentication over RADIUS in challenge-response mode.