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

Forum Discussion

Nirmalraajan_26's avatar
Nirmalraajan_26
Icon for Nimbostratus rankNimbostratus
Apr 28, 2016

Log source IP address

Hi   We have a FTP and SFTP Server farm load-balanced by GTM and LTM appliances. since it is FTP (port 21) and SFTP (port 22), the clients/source that tries to connect to the Wide IP (gslb site) p...
application delivery
big-ip
LTM
passive ftp
sftp
Yann_Desmarest's avatar
Yann_Desmarest
Icon for Cirrus rankCirrus
Apr 28, 2016

Hello,

You can log the client IP using an irule. For example : 

when CLIENT_ACCEPTED {
  log local0. "[virtual] - client ip=[IP::client_addr]"
}

You can add several info to the log if required