I have PIX 515E which i want to install on my network for Internet Security. Can i connect PIX LAN Interface to my LAN Switch where all the servers are connected. My Internal Users will use ISA Server as a webproxy and caching and my branch users coming from internet wants to use a Terminal Server which is already connected to the LAN Switch. Secondly, I have Exchange 2007 that Internet users will also use to check their e-mail through MS Outlook, OWA and Activesync.
What can be the best place to install PIX to secure my network and allow my users the above things?