Rebex SSH Test result for 2a01:390:1:2:e1b1:2:0:d7:22

General information

Server Identification: SSH-2.0-FTP server
IP Address: 2a01:390:1:2:e1b1:2:0:d7
Generated at: 2026-09-04 10:55:29 UTC (8 hours ago) - clear cache
The server does not seem to be vulnerable to the Terrapin attack.

Key Exchange Algorithms

ext-info-s
Unknown
kex-strict-s-v00@openssh.com
Unknown
diffie-hellman-group16-sha512
Diffie-Hellman with 4096-bit MODP Group 16 with SHA-512 hash
Secure
diffie-hellman-group18-sha512
Diffie-Hellman with 8192-bit MODP Group 18 with SHA-512 hash
Secure
diffie-hellman-group-exchange-sha256
Diffie-Hellman with MODP Group Exchange with SHA-256 hash
Secure
ecdh-sha2-nistp521
Elliptic Curve Diffie-Hellman on NIST P-521 curve with SHA-512 hash
Possible NSA backdoor. 		Secure

Server Host Key Algorithms

ssh-ed25519
Ed25519, an Edwards-curve Digital Signature Algorithm (EdDSA)
Secure

Encryption Algorithms

aes256-ctr
AES with 256-bit key in CTR mode
Secure
aes192-ctr
AES with 192-bit key in CTR mode
Secure
aes128-ctr
AES with 128-bit key in CTR mode
Secure

MAC Algorithms

umac-128@openssh.com
128-bit Universal Hashing MAC by OpenSSH
Secure
hmac-sha2-512
Hash-based MAC using SHA-512
Secure
hmac-sha2-256
Hash-based MAC using SHA-256
Secure

Compression Algorithms

zlib@openssh.com
zlib compression by OpenSSH
Unknown
zlib
zlib compression
Unknown
none
No compression
Unknown

Server Public Keys

ssh-ed25519

Key size: 256bit
MD5 Fingerprint: ec:b9:b0:a1:5c:0a:2b:74:39:20:af:fb:92:71:2d:1d
SHA-256 Fingerprint: L1DmzQpw4frXiVw1TEp8Grkk4jETiffxmrOgjYTpHLM
Public key: 
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAC3NzaC1lZDI1NTE5AAAAIII1L0HKKXwCnNbHfhOKsUVaeVXz5H/yLuSIvKsI
IDxP
---- END SSH2 PUBLIC KEY ----