Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

cxcal_18687's avatar
cxcal_18687
Icon for Nimbostratus rankNimbostratus
Mar 27, 2008

LB'ing FTP

we currently have 2 pools and two vips that were designed to take ftp traffic 20/21.     From what I understand about the issue from the users is that they can connect, but are unable to perform...
config
design
dennypayne's avatar
dennypayne
Icon for Employee rankEmployee
Mar 27, 2008
If you use the ftp profile on the port 21 vip and delete the port 20 vip it should work. The ftp profile is designed to allow the data port on 20. Having the port 20 vip configured probably overrides the profile and breaks it.