Version 15.5.3 du 31/01/2026- Support : Creation of ED25519 SSH key pairs.
- Support : Public key authentication using ED25519 keys.
- Support : Generation of ED25519 SSH private keys.
- Support : Use of ED25519 Host Keys in SSH Handshakes.
- Improved : Default configuration settings in Serv-U now enable an account lockout mechanism to prevent brute-force attacks and limit concurrent connections from a single IP address to mitigate server overload.
- Improved : A minimum password length requirement has been implemented to strengthen password security.
- Improved : Angular has been upgraded to version 19.
Version 15.5.2 du 08/07/2025- Security Password Strength Policy was updated: The Security Password Strength Policy for file share passwords was updated to enhance protection and align with industry best policies.
- Fixed : Serv-U now returns correctly formatted (escape character) custom paths.
- Fixed : Serv-U's email message IDs are accurately associated with emails, and email synchronization is working as expected.
- Fixed : Serv-U users are blocked from using an empty domain name, and the web console works as expected.
- Fixed : The Serv-U start-up log now displays OS version numbers exactly as shown by Windows tools such as winver. However, OS product names may be generalized.
- Fixed : The font size issue in the domain setup wizard of embedded browsers has been adjusted so that the text now fits within the bounds of the panel.
- Fixed : Serv-U login activity is no longer excluded from logs when MFA is enabled rather than HTTPS.
Files uploaded to Serv-U via SSH-FTP now display expected file size rather than being reset to 0 bytes.
- Improved : Functionality fixes.
- Improved : Security improvements.