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

Forum Discussion

kvnsk's avatar
kvnsk
Icon for Nimbostratus rankNimbostratus
Sep 18, 2020

Update or modify iRules using command line or bash scripts

I'm new to iRules and F5 technologies -   I needed to update/modify several (100s) iRules on multiple F5s. It's like find and replace specific text on iRules.   What is the best way to approa...
application delivery
irules
TMSH
Enes_Afsin_Al's avatar
Enes_Afsin_Al
Icon for MVP rankMVP
Sep 18, 2020

Hi kvnsk,

  • Backup bigip.conf file in command line.
cp /config/bigip.conf /config/bigip.conf.BAK
  • Download /config/bigip.conf to your pc.
  • Open bigip.conf file via text editor.
  • Use "find and replace" tool.
  • Upload bigip.conf file to /config folder.
  • Verify config.
tmsh load sys config verify
  • If no error, load config.
tmsh load sys config