I have a specific need on our ASA 5510 and could use some guidance.Currently our outside interface accepts SMTP from any source, via an access rule. NAT then forwards the inbound SMTP to an internal email gateway.I now have a situation where I have ...

I just installed an ASA5510. Cisco is brand new to me, and I'm still struggling with writing rules for the thing.I have some understanding, having worked previously with an old Livingston firewall. Also read the O'Reilly Firewall book I was lookin...