Tools

Configuration settings in Serv-U now enabled in 15.5.3

Security configuration settings enabled by default in Serv-U 15.5.3 and above

First published date

12/5/2025 7:21 PM

Last published date

12/8/2025 2:53 PM

Overview

In a continuing effort to strengthen Serv-U's security posture, some settings previously not set are now enabled by default.
These newly set default settings are applicable only to fresh installations of Serv-U 15.5.3 onwards, and can be changed as desired.
In upgrade installations, formerly applied settings are preserved.

Product section

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

Resolution

Below are the affected settings and values applied.

 

1. For Server, the “Block users who connect more than" composite setting changed to: 
    Switched: ON
    Connect more than times: 4
    Within seconds: 30s
    For minutes: 15 min

2. Connection settings changed, 
    a.    Maximum number of sessions per user account : 20
    b.    Maximum number of sessions per user account per IP : 20
    
3. Password settings changed, 
    a.    Require complex passwords: Yes
    b.    Minimum password length: 10

4. MFA now enabled on fresh installations by default.