Forum Discussion
hellhammer_3588
Nimbostratus
NimbostratusCan iRule do Content filtering?
Now there're some products for DPI (Deep Packet Inspection). What they do is to checking L7 information to filtering content based on some rules.
iRule can do a lot jobs, L4 to L7. I w...
hoolio
Cirrostratus
CirrostratusHi,
You can do fairly comprehensive layer 7 inspection of HTTP headers and payloads in requests and responses using iRules. You could check the Referer header to see what the client reports as being the previous URL. You could parse strings from the request headers or body and check them against a blacklist. There are a few examples of Referer checking in the iRules Codeshare (Click here). If you search the forums for blacklist, you can also find a few example iRules.
If you have more specific scenarios of what you'd potentially want to implement, we can give you more detailed feedback.
Aaron
