DNS traffic will still pass through passive interface even the corresponding active interface is up. Device will get CPU high with anti-virus decompress.

Content Filter BC URL testing can’t query. ESP traffic can’t pass through VPN tunnel. Windows auto update session will kept in the HTTP daemon Device will crash and reboot, look like VPN is the root cause. User can’t establish L2TP over IPSec VPN to device, when check device, there are many L2TP over IPSec VPN tunnel’s time out are ”0” USG stop to authorize users to login (both login and SSL VPN) Customer can’t login successfully anymore. System default setting change, enable IPv4/IPv6 firewall session limit per host and set limit to 1000. Clear 'Don't Fragment Bit' of ESP packet when outgoing ESP packet has 'Don't Fragment Bit'. Add CLI to get higher security when SIP ALG is on. Add CLI support to change service port of external syslog server. Backup system’s nf while firmware update from 3.00 to 3.30 in the name of startup-config-(current time).conf, such as nf Move Negotiation mode to Basic setting from Advance setting. When select Static Address, Negotiation mode will change to Main mode, when select Dynamic Address, Negotiation mode will change to Aggressive mode. Add inote for Static Address & Dynamic Address. Modify application scenario pictures in VPN quick setup wizard. The priority of rule swap: Site-to-site VPN > Dynamic VPN = L2TP. Adjust the precedence of VPN rule for rule swap friendly. License Reminding days change from 10, 20, 30 to 10, 30, 180 days. IDP 3.0: Improving IDP engine with next-generation Application Intelligence technology.

Zyxel zywall usg50