ASA basic rules
by Cyrus Lok on Wednesday, April 7, 2010 at 12:58pm
Traffic from a higher to a lower security level is permitted by default,
unless you have restricted traffic with an ACL. This is called an outbound
connection.
unless you have restricted traffic with an ACL. This is called an outbound
connection.
Traffic from a lower to a higher level is denied, by default, unless you explicitly
permit it by configuring access control lists (ACLs), and/or configure Cut-through Proxy (CTP) authentication, discussed in. This is called an inbound connection.
Traffic from the same security level to the same level is denied by default.
cyruslab 