Forum Discussion

Fluidetom_12222's avatar
Fluidetom_12222
Icon for Cirrus rankCirrus
Jan 13, 2014

iRule to detect browser and display warning message

Hey Guys, I'm trying to write an iRule to display a warning message when a user is trying to access our internal SharePoint intranet with a non-supported browser (such as Firefox - which is popular...
application delivery
devops
iRules
Arie's avatar
Arie
Icon for Altostratus rankAltostratus
Jan 13, 2014

I'd recommend converting the User-Agent to lower case before doing the comparison:

 

[string tolower [HTTP::header "User-Agent"]]

 

However, the bigger problem I see is that virtually all browsers (including IE) feature the string "Mozilla" in the User-Agent header... (see http://www.useragentstring.com/pages/Internet%20Explorer/)