General information

Server Identification: SSH-2.0-OpenSSH_7.9p1 Debian-10+deb10u2
IP Address: 51.68.173.168
Generated at: 2021-04-16 03:35:45 UTC (20 hours ago) - clear cache

Key Exchange Algorithms

diffie-hellman-group14-sha256
Diffie-Hellman with 2048-bit Oakley Group 14 with SHA-256 hash
Oakley Group 14 should be secure for now.
Secure
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
curve25519-sha256
Elliptic Curve Diffie-Hellman on Curve25519 with SHA-256 hash
Secure
curve25519-sha256@libssh.org
Elliptic Curve Diffie-Hellman on Curve25519 with SHA-256 hash
Secure
ecdh-sha2-nistp256
Elliptic Curve Diffie-Hellman on NIST P-256 curve with SHA-256 hash
Possible NSA backdoor.
Secure
ecdh-sha2-nistp384
Elliptic Curve Diffie-Hellman on NIST P-384 curve with SHA-384 hash
Possible NSA backdoor.
Secure
ecdh-sha2-nistp521
Elliptic Curve Diffie-Hellman on NIST P-521 curve with SHA-512 hash
Possible NSA backdoor.
Secure
diffie-hellman-group14-sha1
Diffie-Hellman with 2048-bit Oakley Group 14 with SHA-1 hash
Oakley Group 14 should be secure for now. SHA-1 is becoming obsolete, consider using SHA-256 version.
Weak

Server Host Key Algorithms

ssh-ed25519
Ed25519, an Edwards-curve Digital Signature Algorithm (EdDSA)
Secure
ecdsa-sha2-nistp256
Elliptic Curve Digital Signature Algorithm (ECDSA) on NIST P-256 curve with SHA-256 hash
Possible NSA backdoor.
Secure
ssh-rsa
RSA with SHA-1 hash
SHA-1 is becoming obsolete.
Secure
rsa-sha2-256
RSA with SHA-256 hash
Secure
rsa-sha2-512
RSA with SHA-512 hash
Secure

Encryption Algorithms

chacha20-poly1305@openssh.com
256-bit ChaCha20 with Poly1305 authenticator by OpenSSH
Secure
aes256-gcm@openssh.com
AES with 256-bit key in GCM mode by OpenSSH
Secure
aes128-gcm@openssh.com
AES with 128-bit key in GCM mode by OpenSSH
Secure
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-etm@openssh.com
128-bit Universal Hashing MAC (Encrypt-then-MAC) by OpenSSH
Secure
hmac-sha2-256-etm@openssh.com
Hash-based MAC using SHA-256 (Encrypt-then-MAC) by OpenSSH
Secure
hmac-sha2-512-etm@openssh.com
Hash-based MAC using SHA-512 (Encrypt-then-MAC) by OpenSSH
Secure
umac-128@openssh.com
128-bit Universal Hashing MAC by OpenSSH
Secure
hmac-sha2-256
Hash-based MAC using SHA-256
Secure
hmac-sha2-512
Hash-based MAC using SHA-512
Secure
umac-64-etm@openssh.com
64-bit UMAC (Universal Hashing MAC) (Encrypt-then-MAC) by OpenSSH
64-bit UMAC is no longer considered secure enough. Recommended tag size should be at least 128 bits.
Weak
hmac-sha1-etm@openssh.com
Hash-based MAC using SHA-1 (Encrypt-then-MAC) by OpenSSH
SHA-1 is becoming deprecated - consider replacing with SHA-256 or SHA-512.
Weak
umac-64@openssh.com
64-bit UMAC (Universal Hashing MAC) by OpenSSH
64-bit UMAC is no longer considered secure enough.
Weak
hmac-sha1
Hash-based MAC using SHA-1
SHA-1 is becoming deprecated - consider replacing with SHA-256 or SHA-512.
Weak

Compression Algorithms

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

Server Public Keys

rsa-sha2-512

Key size: 2048bit
MD5 Fingerprint: 17:ad:50:3c:08:ef:bc:cb:b8:db:6d:97:eb:c0:60:6c
SHA-256 Fingerprint: gu0Kc/o6KODgYIkoxdwXndfQ/nRa/Zgw90vv+ME1okE
Public key:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAB3NzaC1yc2EAAAADAQABAAABAQDIQGyJY8mFIk3gJedgfZlCzMeKGloun1re
o5Dpo3tN1+AncR5vyHbAdSimxyYUWF6xpAqeXb+9mAj4SaGrneJ3ma1hxnI7aP99
WozkQ8iXcvCttwkSHFmq6hprmjpVSFDeAz4WJb00lG/ytDZhmbUMRSjkVtIbrC4H
5AjO6yCO4pY1dEK7wp+gIKCQeyV5eiHZjUgIlgHvFmCiKBd3PJRksT5Ae9f86tm8
m8CmjZlt4sojThalutjT5vRQOiszlmj+5RwkQMx3KyCUKAtI3Daftu9h6SbYb6ke
IiJuquWNnlrZfqA9pXmqKlI4cR7z9f71R7lCQHGmhw6HrZjhguB3
---- END SSH2 PUBLIC KEY ----

rsa-sha2-256

Key size: 2048bit
MD5 Fingerprint: 17:ad:50:3c:08:ef:bc:cb:b8:db:6d:97:eb:c0:60:6c
SHA-256 Fingerprint: gu0Kc/o6KODgYIkoxdwXndfQ/nRa/Zgw90vv+ME1okE
Public key:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAB3NzaC1yc2EAAAADAQABAAABAQDIQGyJY8mFIk3gJedgfZlCzMeKGloun1re
o5Dpo3tN1+AncR5vyHbAdSimxyYUWF6xpAqeXb+9mAj4SaGrneJ3ma1hxnI7aP99
WozkQ8iXcvCttwkSHFmq6hprmjpVSFDeAz4WJb00lG/ytDZhmbUMRSjkVtIbrC4H
5AjO6yCO4pY1dEK7wp+gIKCQeyV5eiHZjUgIlgHvFmCiKBd3PJRksT5Ae9f86tm8
m8CmjZlt4sojThalutjT5vRQOiszlmj+5RwkQMx3KyCUKAtI3Daftu9h6SbYb6ke
IiJuquWNnlrZfqA9pXmqKlI4cR7z9f71R7lCQHGmhw6HrZjhguB3
---- END SSH2 PUBLIC KEY ----

ssh-rsa

Key size: 2048bit
MD5 Fingerprint: 17:ad:50:3c:08:ef:bc:cb:b8:db:6d:97:eb:c0:60:6c
SHA-256 Fingerprint: gu0Kc/o6KODgYIkoxdwXndfQ/nRa/Zgw90vv+ME1okE
Public key:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAB3NzaC1yc2EAAAADAQABAAABAQDIQGyJY8mFIk3gJedgfZlCzMeKGloun1re
o5Dpo3tN1+AncR5vyHbAdSimxyYUWF6xpAqeXb+9mAj4SaGrneJ3ma1hxnI7aP99
WozkQ8iXcvCttwkSHFmq6hprmjpVSFDeAz4WJb00lG/ytDZhmbUMRSjkVtIbrC4H
5AjO6yCO4pY1dEK7wp+gIKCQeyV5eiHZjUgIlgHvFmCiKBd3PJRksT5Ae9f86tm8
m8CmjZlt4sojThalutjT5vRQOiszlmj+5RwkQMx3KyCUKAtI3Daftu9h6SbYb6ke
IiJuquWNnlrZfqA9pXmqKlI4cR7z9f71R7lCQHGmhw6HrZjhguB3
---- END SSH2 PUBLIC KEY ----

ecdsa-sha2-nistp256

Key size: 256bit
MD5 Fingerprint: 29:f6:04:6d:26:c0:de:56:a5:bd:a3:18:07:82:fb:eb
SHA-256 Fingerprint: b9GRqsR5lvyn7Y98n285/MGVPAbP3roJe0wiuc2QYEI
Public key:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHjIyUUS5UkW
BtaBwkgLEvPj6wp97neWyLCcVSHeqQ4iQsD4pr56rt+u+0pd6a3/2DkwJ5EQUpng
LOUvAIoJ9uU=
---- END SSH2 PUBLIC KEY ----

ssh-ed25519

Key size: 256bit
MD5 Fingerprint: 23:65:b4:e2:74:b8:7a:be:00:6a:b9:31:52:3a:98:79
SHA-256 Fingerprint: 0dqQ8+x8H3MRAmWsZ/lN98OxQBNl1H0OzdPGktKuvrs
Public key:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "Saved by Rebex SSH"
AAAAC3NzaC1lZDI1NTE5AAAAIHezP9GwzAPV0ZCbJjvvWYR6OzEleW37zqNdXwBd
nRWh
---- END SSH2 PUBLIC KEY ----