This is straight off of one of the 2821's that I built out.Put the WAN IP address [provided by your ISP] on the outside interface with subnet mask.Put the LAN, inside, private IP address on the inside interface with subnet mask. This IP address is th...

Do a show ver and see what version of ASA OS and ASDM you are running.packet-tracer To enable packet tracing capabilities for packet sniffing and network fault isolation, use the packet-tracer commandin privileged EXEC configuration mode. To disable ...

Place a "shutdown" on interfaces e0/1 to e0/6For control of devices by MAC access, see "mac-list" command at the following URL:http://www.cisco.com/en/US/docs/security/asa/asa80/command/reference/m.html#wp1888833

1. Static NAT works for various tcp ports. This is the one for your mail server:access-list 101 permit tcp any host eq smtpstatic (inside,outside) tcp smtp 192.168.0.93 smtp netmask 255.255.255.255 0 0static (inside,outside) tcp smtp 192.168.0.93 ...