stateful packet inspection firewall with intrustion detection supports up to 5 incoming vpn tunnels 4 port 10/100 ethernet switch router with advanced feature set works with both telecom jetstream and telstra dsl telepermit number ptc 272/04/006 built-in 802.11g wireless - backward compatible with 802.11b devices wireless security features include 128-bit wep and wpa dimensions: 186mm x 48mm x 188mm) (w x h x d) * supports 802.11g and 802.11b wireless lan * enhanced security management functions: port filtering, mac and ip address filtering, dmz hosting, and nat technology * easily configurable through your networked pc's web browser * supports 4 10/100 auto mdi-x lan switch ports and 1 adsl port * support for rfc1483, pppoe and pppoa connections * spi firewall with denial of service attack prevention * wireless access lists to enhance wireless security * email and web-based logging of security events * supports vpn passthrough for ipsec, pptp, and l2tp protocols