TWSD-1160 FTPS Multiple file download failure - patch 1

Review Request #1165 — Created Nov. 15, 2025 and submitted — Latest diff uploaded

Information
weikai
APV10
rel_apv_10_7, rel_apv_10_7_3, rel_apv_10_7_4
TWSD-1160
1154
Reviewers
kevin.poh, mingji, peteryeh 
When uploading files using FileZilla, the firewall fails to block the port when some connections are closed.


Root cause:

In some cases, the firewall does not block as expected.


Solution:

Complete the missing cases.
Limit the FTP data channel to the smallest possible range using the command.
#ftp passive configuration
ftp passive portrange 30000 30020

Upload files 30 times using FileZilla.
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