When you set multiple filter rules on Firewall (Brocade 5600 vRouter), the rules are executed in numeric sequence, according to the rule number, from lowest to highest.
Reference: Brocade 5600 vRouter Userguide
Brocade 5600 vRouter Firewall Configuration Guide - Firewall rules
(Excerpt)
Rules are executed in numeric sequence, according to the rule number, from lowest to highest. If the traffic matches the characteristics specified by a rule, the action of the rule is executed; if not, the system “falls through” to the next rule.