ZyXEL Communications 802.11g Wireless ADSL2+ 4-port VoIP IAD P-2602HWNLI - Manual (Page 365)

P-2602HWNLI User’s Guide
Appendix A Product Specifications 365
Firewall Stateful Packet Inspection
Prevents Denial of Service attacks such as Ping of Death, SYN Flood,
LAND, Smurf etc.
Real time E-mail alerts
Reports and logs
SIP ALG passthrough
NAT/SUA Port Forwarding
512 NAT sessions
Multimedia application
PPTP under NAT/SUA
IPSec passthrough
SIP ALG passthrough
VPN 20 IPSec tunnels (2 concurrent)
IKE and Manual Key Management
AH and ESP Protocol
DES, 3DES and AES Encryption
SHA-1 and MD5 Authentication
Tunnel and Transport Mode Encapsulation
IPSec NAT Traversal
NETBIOS pass-through for IPSec
Content Filtering Web page blocking by URL keyword.
Static Routes 16 IP
Table 157 Firmware Specifications (continued)