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

Forum Discussion

t-roy's avatar
t-roy
Icon for Nimbostratus rankNimbostratus
Mar 18, 2013

Can an FTP vip maintain the server FTP port?

version 11.2.1   I created an FTP VIP and loadbalance to 2 FTP servers that use priority groups. The servers use Passive FTP and the problem I have is when the servers send the PASV command the F...
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t-roy's avatar
t-roy
Icon for Nimbostratus rankNimbostratus
Apr 26, 2013

Hopefully save someone else some time-

 

I was able to get this working by creating an FTP virtual server that listens on all ports (with NO ftp profile) with a forwarding virtual server on the serverside vlan.

 

A stream profile translates the server's IP address in the pasv command to the VIP IP, an iRule on the forwarding virtual SNATs when CLIENT_ACCEPTED to the IP of the VIP as well.