Allow / express forward Drop NAT Policy Engine Enhancement Frame Ingress WebOS Policy Engine MAC source/dest address IP /not IP source/dest address /range Protocol IP TOS IP Options /not ICMP message types TCP/UDP source/dest port TCP flags URL and Cookie VLAN ID ( New) Iterate per unmatched frame / session IP TOS rewrite Redirect (to IP or server group) Actions
Secure XL & NAAP in Action TCP session SYN 1 Policy Check 1 1 Add Conn. (F2F) 1 SYN/ACK2 Update Conn. 3 TCP 3-way handshake complete, data for the session accelerated4 FIN-1 5 Update Conn. 5 FIN-26 ACK7 Update Conn. 6 Delete Conn. 7 Alteon Switched Firewall (ASF) Clients Servers ACK3 (TCP 3-way handshake complete )
1 st pkt 1 Policy Check 1 1 Add Conn. 1 Data for the session accelerated2 Delete Conn. after UDP timeout if session is inactive 3 Alteon Switched Firewall (ASF) Clients Servers Secure XL & NAAP in Action UDP session
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