ZyXEL Communications ZYWALL 70 - V4.03 Informacje Techniczne Pobierz pdf (Strona 6)

Condition:

(1) Input “google” in Keyword Blocking of Customization.

(2) Visit http://info.zyxel.com.tw in LAN PC. The web site is opened successfully.

But there is a Keyword Blocking log say “info.zyxel.com.tw: Keyword

blocking” (see attached file).

(3) Visit other web site is normal.

(4) This problem is also existed in 4.01 Patch 2 C0 too.

6. Keyword blocking has functioned even if “Web site customization” was disabled.

Condition:

(1) Enable Content Filter.

(2) Add google into Customization>>Keyword Blocking. Keep “Web site

customization” was disabled.

(3) PC in LAN visit www.google.com

will be blocked there are blocked log (see

attached picture).

(4) This problem does NOT exist in “Forbidden Web Site List”.

(5) This problem is exited in 4.01 Patch 2 C0 too.

[Firewall]

1. Some limitations on Firewall CLI configuration, (1) User can not delete specific

address or custom port entry from a rule. (2) CLI doesn’t support Modify and Move

for rules implemented in eWC. (3) eWC can not display firewall rule field correctly if

rule is added by CI command and its type is port/address range.

2. Ping of Death Log has some fault when argument in CI “ip icmp death” bigger than

1500.

Conditions:

(1) Type CI “ip icmp death 1000” or “ip icmp death 1500”.

(2) PC1 ping PC2 with DOS command “ping 172.25.21.254 –l 1600”, the log is

shown as: “

ping of death. ICMP(Echo)”.

(3) Type CI “ip icmp death 1501” or other number bigger than 1500.

(4) PC1 ping PC2 with DOS command “ping 172.25.21.254 –l 2000”, the log is

shown as: “

ping of death. ICMP(Echo Reply)”. That is to say when argument in

CI “ip icmp death” is bigger than 1500, the log is different. And sometimes

the log shown as “

ping of death. ICMP(W to L, Echo Reply)”.

[UPnP]

1. Sometimes on screen the “Local Area Connection” icon for UPnP disappears. The

icon shows again when restarting PC.

2. When you use MSN messenger, sometimes you fail to open special applications, such

as whiteboard, file transfer and video etc. You have to wait more than 3 minutes and

retry these applications.

[VPN]

1. SNMP tools get ZYWALL VPN MIB data, the index of received data are wrong if

rules are larger than 1.

2. VPN rule swap does not support NAT Traversal.

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