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

Forum Discussion

anson's avatar
anson
Icon for Nimbostratus rankNimbostratus
Sep 17, 2019

script to find difference between scf file

Hi, Is there a option in f5 to trigger an alert based on scf difference . We recently had an issue with our f5 and the suggestion was to post a query with devcentral to track difference in scf file ...
bash
devops
LTM
scf
Script
Dario_Garrido's avatar
Dario_Garrido
Icon for Noctilucent rankNoctilucent
Sep 17, 2019

Hello Anson.

Actually, I usually use something like this during upgrades.

  1. Capture SCF before upgrade (initial)
  2. Capture SCF after upgrade (final)
  3. Compare them to check the differences
# tmsh save sys config file /shared/tmp/<date>_initial.scf no-passphrase
# tmsh save sys config file /shared/tmp/<date>_final.scf no-passphrase
# tmsh show sys config-diff /shared/tmp/<date>_initial.scf /shared/tmp/<date>_final.scf | egrep -e "\s{3}\|\s{3}" -e "[<]$" -e "^\s*[>]"

Let me know if it helps.

KR,

Dario.