User`s guide

Introduction 69
Packet Filtering on the OnSite
• destination-unreachable
• network-unreachable
• host-unreachable
• port-unreachable
• fragmentation needed
• source-route-failed
• network-unknown
• host-unknown
• network-prohibited
• host-prohibited
• TOS-network-unreachable
• TOS-host-unreachable
• communication-prohibited
• host-precedence violation
• precedence-cutoff
• source-quench
•redirect
• network-redirect
• host-redirect
• TOS-network-redirect
• echo-request
• router-advertisement
• router-solicitation
• time-exceeded
• ttl-zero-during-transit
• ttl-zero-during-reassembly
Target Actions
The “Target” is the action to be performed on an IP packet that matches all the
criteria specified in a rule.The target actions are:
• ACCEPT
•DROP