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

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dsiesussi_24829's avatar
dsiesussi_24829
Icon for Nimbostratus rankNimbostratus
Nov 16, 2010

FTP Command PORT : Content Modification

Hi,     I just need some help to create a very simple irule (simple except for me who doesn't know the code). I have created a virtual server to loadbalance a couple of FTP servers.     An...
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hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Nov 16, 2010
Hi Julien,

 

 

Have you tried adding an FTP profile to the virtual server? LTM should then rewrite the port commands on responses to the client. Here is a Solution Guide list for passive FTP load balancing:

 

 

Load Balancing Passive Mode FTP Traffic

 

http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm_sol_guide_943/sol_ftp_passive.html?sr=11182389

 

 

Aaron