Hi all, Just a quick question I need to secure my FS, I can think of 2 ways. Please advise of best option and also how to setup 2nd for learning 1: have FS behind IPTables FW and use access list on which ip can talk to FS and only allow providers. 2: setup another FS as SBC and have it that only internal FS IP can generate calls (no external users, if Ever get any, probably get them to VPN in. Thanks in advance Regards, K Sent from my iPhone