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

Forum Discussion

Walter_Kacynski's avatar
Walter_Kacynski
Icon for Cirrostratus rankCirrostratus
Feb 25, 2016

ASCII LF (0a) in STREAM

Is there a way to represent the hex 0a in the target of a STREAM::expression? Everything I try causes the literal "0a" or "\n" to be inserted instead of the representation of LF. STREAM::expressi...
application delivery
irules
stream profile
Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Feb 25, 2016

Hi Walther,

the fix is rather simple. Don't use 

{
Curly-Braces
}
to allow the 
\n
to become substituted... 😉

STREAM::expression "@\n@\n\n\n@"

Cheers, Kai