Forum Discussion
Jo_97199
May 22, 2012Nimbostratus
Big-IP ASM and websockets
Hi, I'm trying to let websockets (ws://) connections run through ASM, the backend application is based on socket.io/nodejs. It seems that connections are falling back to xhr-polling whic...
Hannes_Rapp_162
Jun 11, 2015Nacreous
Please disregard my previous post. Answer-editing is extremely buggy in DevCentral. I've written an iRule for disabling ASM & HTTP on websocket request. Please give it a try.
when HTTP_REQUEST {
if { [string tolower [HTTP::header value Upgrade]] equals "websocket" } {
HTTP::disable
ASM::disable
log local0. "[IP::client_addr] - Connection upgraded to websocket protocol. Disabling ASM-checks and HTTP protocol. Traffic is treated as L4 TCP stream."
} else {
HTTP::enable
ASM::enable
log local0. "[IP::client_addr] - Regular HTTP request. ASM-checks and HTTP protocol enabled. Traffic is deep-inspected at L7."
}
}
- JorjjjJun 15, 2015NimbostratusHello, The iRule Worked well! Thanks
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