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

Forum Discussion

Jim_Sadleir's avatar
Jim_Sadleir
Icon for Nimbostratus rankNimbostratus
Jan 09, 2023

iRule 'HTTP::respond 403' assistance.

Hello DevCentral Technical Forum, I would greatly appreciate assistance getting an iRule working properly. Our service providers US based support used to be exemplary in assisting us with our iRule...
application delivery
Paulius's avatar
Paulius
Icon for MVP rankMVP
Jan 09, 2023

Jim_Sadleir I believe you need the following to be swapped out for the appropriate two lines the difference is the () being added in the appropriate locations.

if { (([string tolower [HTTP::uri]] contains "/path_to_block_from_outside/") and not ([class match [IP::client_addr] equals CLASS-PRIVATE-IPS])) } {

if { (([string tolower [HTTP::uri]] contains "/path_that_has_to_be_sent_to_iis/") and ([active_members POOL-1.1.1.1-IIS-80-WEB-SERVICES] != 0)) } {

 

  • Leslie_Hubertus's avatar
    Leslie_Hubertus
    Ret. Employee
    Jan 17, 2023

    Jim_Sadleir did Paulius's suggestion work for you? If yes, can you please hit the Accept as Solution button, so future users with the same issue can easily find the answer they need? 

    And if not, it lets the community know that you still need help.