3.3.3 Session Limit ........................................................................................................... 55
3.3.4 Load Balance ........................................................................................................... 57
3.3.5 Routing .................................................................................................................... 61
3.4 Firewall ................................................................................................................................. 66
3.4.1 Anti ARP Spoofing ................................................................................................... 66
3.4.2 Attack Defense ........................................................................................................ 69
3.4.3 MAC Filtering ........................................................................................................... 71
3.4.4 Access Control ......................................................................................................... 71
3.4.5 App Control .............................................................................................................. 77
3.5 VPN...................................................................................................................................... 79
3.5.1 IKE ........................................................................................................................... 79
3.5.2 IPsec ........................................................................................................................ 83
3.5.3 L2TP/PPTP .............................................................................................................. 90
3.6 Services ............................................................................................................................... 94
3.6.1 PPPoE Server .......................................................................................................... 94
3.6.2 E-Bulletin ............................................................................................................... 100
3.6.3 Dynamic DNS ........................................................................................................ 102
3.6.4 UPnP ..................................................................................................................... 108
3.7 Maintenance ...................................................................................................................... 109
3.7.1 Admin Setup .......................................................................................................... 109
3.7.2 Management .......................................................................................................... 112
3.7.3 License .................................................................................................................. 114
3.7.4 Statistics ................................................................................................................. 115
3.7.5 Diagnostics ............................................................................................................ 117
3.7.6 Time ....................................................................................................................... 119
3.7.7 Logs ....................................................................................................................... 122
Chapter 4 Application
........................................................................................................ 124
4.1 Network Requirements ....................................................................................................... 124
-IV-
