iRule Security 101 - #07 - FTP Proxy
We get questions all the time about custom application protocols and how one would go about writing an iRule to "understand" what's going on with that protocol. In this article, I will look at the F...
Published Nov 15, 2007
Version 1.0
Kirk_Bauer_1018
Nimbostratus
NimbostratusThis rule doesn't work on my 9.4.5 HF2 box. Basically, because it does a TCP::collect and immediately a TCP::release in the CLIENT_ACCEPTED block, the CLIENT_DATA event is never triggered (it only logs data coming from the server). But if you don't do a TCP::release in CLIENT_ACCEPTED then the rule will hang because the client doesn't send data until it gets the banner from the server.