- If you have a firewall in between, which usually would be advisable , you may have the option to do some kind of full http-tracing , as in the firewall logs or other (e.g.) , possibly including data traffic if your firewall permits this level of analysis . This then might provide more insights as to why ISE is doing this. (Well that was one step beyond the guessing-class ... (smile))
-- ' 'Good body every evening' ' this sentence was once spotted on a logo at the entrance of a Weight Watchers Club !