Tools

Key Exchange (KEX), SSH ciphers and SSH MACs supported in Serv-U MFT version 15.3.2

This article provides a list of supported Key Exchange (KEX), encryption, and MAC algorithms in Serv-U MFT version 15.3.2

First published date

11/29/2018 10:49 PM

Last published date

5/30/2026 12:25 PM

Overview

Here are the lists of all supported encryption in Serv-U, such as Key exchange (KEX), SSH Ciphers, and SSH MACs. Other than these are not supported. 
 

Serv-U MFT v15.3.2


SSH Key Exchange Algorithms (KEX)
  • Diffie-Hellman-Group1-Sha1
  • Diffie-Hellman-Group 14-Sha1
  • Diffie-Hellman-Group14-Sha256
  • Diffie-Hellman-Group16-Sha512
  • Diffie-Hellman-Group-Exchange-Sha2 256
  • ECDH-SHA2-NISTP256
  • ECDH-SHA2-NISTP384
  • ECDH-SHA2-NISTP521
Server Host Key Algorithms
  • ssh-rsa
SSH MAC’s
  • MD5
  • SHA1
  • SHA1 96
  • SHA2 256
  • SHA2 256-96
  • SHA2 512
  • SHA2 512-96
SSH ciphers
  • AES-128-cbc
  • AES-192-cbc
  • AES-256-cbc
  • AES-128-ctr
  • AES-192-ctr
  • AES-256-ctr
  • Rijndael-cbc
  • Triple DES-cbc
MAC Algorithms
  • zlib

Here is what Serv-U does under FIPS:

SSH Key Exchange Algorithms (KEX)
  • zlib
  • ecdh-sha2-nistp256
  • ecdh-sha2-nistp384
  • ecdh-sha2-nistp521
  • diffie-hellman-group14-sha1
  • diffie-hellman-group1-sha1
  • Diffie-Hellman-Group14-Sha256
  • Diffie-Hellman-Group16-Sha512
  • Diffie-Hellman-Group-Exchange-Sha2 256
SSH Encryption Algorithms:
  • aes128-cbc
  • aes192-cbc
  • aes256-cbc
  • aes128-ctr
  • aes192-ctr
  • aes256-ctr
  • rijndael-cbc 
  • triple des-cbc
FIPS HMACs:
  • hmac-sha1
  • hmac-sha1-96      
  • hmac-sha2-256
  • hmac-sha2-256-96
  • hmac-sha2-512
  • hmac-sha2-512-96
  • md5

Product section

Serv-U Managed File Transfer & Serv-U FTP Server

Resolution

To view the details above.
  1. Open Serv-U Management Console.
  2. Either Global or Domain level.
  3. Go to the Limits and Settings.
  4. Select Encryption tab.