Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP ASM, AVR
Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Fixed In:
12.0.0
Opened: May 08, 2014 Severity: 4-Minor
If the system processes HTTP requests with malformed XFF, and the security policy's "Accept XFF/Trust XFF Header" option is enabled, the IP addresses that sent this traffic are identified as the IPv6 address "::".
Traffic identified incorrectly
malformed XFF passed in
None
If the system processes HTTP requests with malformed XFF, and the security policy's "Accept XFF/Trust XFF Header" option is enabled, the system now correctly identifies the real IP addresses that sent this traffic, and they are no longer shown as "::".