I am not good with Firewall configurations, but for my new job duties in servers hosting company i need to learn configuring Firewalls mostly Ciso PXI 500 series, ASA, and PFSense.
mainly basic stuff like NAT, access control lists, allowing specified ports for specified IPs, etc..
I am bad with Command line
could you please help me to find out some tutorials, simulators, common senarioes
torrentos links also fine
your help will be much appriaciated