Back to the 3Com 3CR858-91

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  Setup Wizard LAN Settings Internet Settings Firewall   SPI   Special Applications   Virtual Servers   Client IP Filters   MAC Address Filtering   DMZ VPN SNMP System Tools Advanced Status and Logs Support/Feedback       When the SPI (Stateful Packet Inspection) firewall feature is enabled, all packets can be blocked.  SPI allows full support of different application types that are using dynamic port numbers. For the applications checked in the list below, this Router will support full operation as initiated from the local LAN.             Intrusion Detection Feature   SPI and Anti-DoS firewall protection:   RIP defect:   Discard Ping To WAN: -->   Stateful Packet Inspection   Packet Fragmentation:   TCP Connection:   UDP Session:   FTP Service:   H.323 Service:   TFTP Service:   When detected hackers attempting to access network, alert by e-mail   Your E-mail Address:   SMTP Server Address:   POP3 Server Address: -->   User name:   Password:   Connection Policy   Fragmentation half-open wait: sec.   TCP SYN wait: sec.   TCP FIN wait: sec.   TCP connection idle timeout: sec.   UDP session idle timeout: sec.   H.323 data channel idle timeout: sec.   DoS Detect Criteria   Total incomplete TCP/UDP sessions HIGH: session   Total incomplete TCP/UDP sessions LOW: session   Incomplete TCP/UDP sessions (per min) HIGH: session   Incomplete TCP/UDP sessions (per min) LOW: session   Maximum incomplete TCP/UDP sessions number from same host:   Incomplete TCP/UDP sessions detect sensitive time period: msec.   Maximum half-open fragmentation packet number from same host:   Half-open fragmentation detect sensitive time period: msec.   Flooding cracker block time: sec.