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Forum Discussion

Abraham_126135's avatar
Abraham_126135
Icon for Nimbostratus rankNimbostratus
Nov 13, 2014

iRule to block\reject connections from Lync client

We have a VIP intended to for Sharepoint but would like to reject connections that are coming from MS Lync clients. It's causing our Lync clients to re-authenticate over and over due to 2FA that's se...
application delivery
devops
iRules
Cthulhucalling_'s avatar
Cthulhucalling_
Icon for Cirrus rankCirrus
Nov 14, 2014

If Lync has a User-Agent that identifies it as Lync, you can write an iRule to drop the incoming connection. You may want to look at the HTTP_REQUEST or SERVER_CONNECTED events

when HTTP_REQUEST {
        if {[string tolower[HTTP::header "User-Agent"]] eq "lync user agent" } {
                drop
        }
}