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

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G__246_ran___19's avatar
G__246_ran___19
Icon for Altostratus rankAltostratus
Mar 08, 2017

Redirect when both Host and Path are equal

Hello, I have a virtual server who has many different host names and path, one of those i need to have a redirect like this: If hostname is and path is / redirect to How shod I write the iRu...
application delivery
cloud
irules
Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Mar 08, 2017

Hi Göran,

you may try either a nested 

[switch]
or 
[if]
condition to parse the HOST and then the Path (general purpose) or use a combined [if] condition (tailordered purpose).

Example 1: Using general purpose nested 

[switch]
commands.

when HTTP_REQUEST {
    switch -glob -- [string tolower [HTTP::host]] {
        "www.domain.de" {
             Requests for www.domain.com
            switch -glob -- [string tolower [HTTP::path]] {
                "/" {
                     Requests for URI = /
                    HTTP::redirect "/abc/" 
                }
                default {
                     Requests for URI = *
                }
            }
        }
        "www.domain.com" {
             Requests for www.domain.com
        }
        "www.domain.net" {
             Requests for www.domain.net
        }
        default {
             Unknown HOST-name
        }
    }   
}

Example 2: Using general purpose nested 

[if]
commands.

when HTTP_REQUEST {
    set low_host [string tolower [HTTP::host]]
    if { $low_host eq "www.domain.de" } then {
         Requests for www.domain.de
        set low_path [string tolower [HTTP::path]]
        if { $low_path equals "/" } then {
             Requests for URI = /
            HTTP::redirect "/abc/" 
        } else {
             Requests for URI = *
        }   
    } elseif { $low_host equals "www.domain.com" } then {
         Requests for www.domain.com
        }
    } elseif { $low_host equals "www.domain.net" } then {
         Requests for www.domain.net
    } else {
         Unknown HOST-name
    }   
}

Example 3: Using a tailordered 

[if]
command (to support just your requirements)

when HTTP_REQUEST {
    if { ( [string tolower [HTTP::host]] equals "www.domain.de" ) 
     and ( [HTTP::path] equals "/" } then {
         Requests for www.domain.de/
        HTTP::redirect "/abc/" 
    } else {
          Request for another HOST-name or another Path
    }   
}

Note: The general purpose examples can be easily extended to support various other things. The benefit of such a syntax is that you get scalable and unified method to control your traffic as needed.

Cheers, Kai