User guide

Symptom: Fail to dial into the sip phone when the packets generated from SIP
provider are fragmented.
Condition:
Topology:
SIP phone 1-----SIP server-----(WAN)ZyWALL(LAN)------SIP phone 2
SIP phone 1,SIP server and ZyWALL WAN are in same subnet.
(1) SIP phone1 is a software (3CX phone)installed in one PC, change the PC's MTU
to 800.
(2) SIP server is "ser" installed on Linux OS, also change this server's MTU to 800
(3) Turn SIP ALG on ZyWALL.
(4) Change the ZyWALL's WAN and LAN interfaces' MTU to 800 with CLI "ip
ifconfig" such as "ip ifconfig enif0 192.168.1.1 mtu 800"
(5) When SIP phones are registerd, then SIP phone 1 fails to call SIP phone 2.It's
observed that the "INVITE" packet is fragmented on SIP phone 1.
24. [BUG FIX] SPR ID: 071107515
Symptom: Some special URLs cannot be deleted in the content filter cache.
Condition:
(1) On eWC>REGISTRATION > Registration,register Content Filter service.
(2) On eWC>SECURITY>CONTENT FILTER>General, enable Content Filter.
(3) On eWC>SECURITY>CONTENT FILTER>Policy, add a policy "policy" for
any ip address and active it.
(4) On eWC>SECURITY>CONTENT FILTER>Policy,enable External DB for
"policy", and enable "Select All Categories".
(5) A cache will be created when LAN host accesses "webpresence.qq.com/
getonline?type=1&31008201:31008202:"
(6) Host on the LAN accesses "www.sina.com.cn".
Another cache "ad4.sina.com.cn/sina/ae/ad_src/popup/pops1.html?v;
swf;http://d1.sina.com.cn/200712/25/120149_hp-pop.swf" is created.
(7) It's impossible to delete the two items except flush all caches.
25. [BUG FIX] SPR ID: 071109695
Symptom: Idle timeout will be changed to 0 while enable Traffic Redirect by GUI
Condition:
(1) Edit eWC> WAN> WAN1, Set Encapsulation= PPPoE & Idle Timeout= 100.
(2) Edit eWC> WAN> Traffic Redircet, active Traffic Redirect.
(3) Check eWC> WAN> WAN1, Idle Timeout change to "0",it should be 100.
26. [BUG FIX] SPR ID: 080416752
Symptom: ZyWALL will crash during downloading zip files.
Condition:
(1) Reset to default romfile.
(2) Go to eWC>SECURITY>ANTI-VIRUS,
Select Enable Anti-Virus
Select Enable ZIP File Scan