AbsoluteTelnet Telnet / SSH Client supports a wide range of SSH features including port forwarding (tunneling), X11 forwarding, compression (zlib and zlib@openssh.com ), encryption and several advanced authentication options. The list below describes features available in SSH version 2 vs. SSH version 1.
Secure Shell 1 (SSH1)
- SSH compression
- encryption (3DES, BLOWFISH, IDEA, DES, RC4)
- X11 forwarding
- Port forwarding
- plain password and public-key authentication
Secure Shell 2 (SSH2)
- SSH compression (zlib and zlib@openssh.com )
- Modern encryption support: Supports both traditional CBC/CTR ciphers and modern AEAD ciphers
- (see the list of supported algorithms for full details)
- FIPS 140-2 mode for use in government and military applications.
- Secure File Transfer (SFTP)
- Post quantum key exchange including MLKEM and SNTRUP
- (see the list of supported algorithms for full details)
- X11 forwarding
- Port forwarding
- plain password and public-key authentication
- smartcard authentication
- keyboard-interactive authentication
- GSSAPI (Kerberos, ActiveDirectory) authentication