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

Forum Discussion

pedinopa_170325's avatar
pedinopa_170325
Icon for Nimbostratus rankNimbostratus
Feb 12, 2018

fun with irule

I am working on an excersise to insert random quotes into http headers. I have an irule that uses data groups and if your subnet is in the DG a header with a specific quote is inserted, if your IP s...
irules
security
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Feb 12, 2018

You can have a DG of quotes keyed by numbers, and then generate a random number as the key. If you have, say, 10 quotes, you can get a random number like this:

expr {int(rand()*10)}

.