ZyXEL Communications ZYWALL 70 - V4.04 Guía de usuario descargar pdf (Pagina 66)

(3) WAN1 & WAN2 down, Dial Backup is up.

(4) The Dial Backup session between the ZyWALL and ISP is established,

ZyWALL got an IP address provided by the ISP, but the PC in LAN can't ping

to an Internet host. ZyWALL can receive and transmit the ping request, and

can receive reply from remote host, but ZyWALL won't transmit the reply to

the PC in LAN.

11. [BUG FIX] 061121145 (ITS#13200)

Symptom: Failed to call the SIP phone on DMZ side with Firewall enabled.

Condition:

(1) Turn on Firewall. Set ZyWALL5's default firewall rule for WAN-->DMZ is

dropped.

(2) Turn on SIP ALG setting.

(3) Set up following topology:

phone --- P2002 --- [DMZ]ZW5[WAN] --- SIP server --- VoIP phone

(4) As soon as P2002 registers to the SIP server, there is no problem for

the phone both call in and call out. But after a while, the phone on DMZ

side cannot receive any phone calls, although it's still far before "SIP ALG Timeout"

configured on the ZyWALL. Only after the P2002 register again, can the phone on

DMZ side receive calls, and the cycle repeats.

12. [BUG FIX] ITS#13995

Symptom: ZyWALL cannot show the the block message of content filter

complete in MSIE7.0 and Firefox.

Condition:

Topology:

PC --- [LAN] ZyWALL [WAN] --- Internet

(1) In router mode, enable content filter and set the block message but

leave the Redirect URL blank.

(2) Enable external database content filtering and block matched web pages.

(3) Select search engines/portals categories.

(4) Open the http://www.sina.com.cn in Firefox and MSIE7.0. The block message

cannot be shown completely in MSIE7.0 and nothing in Firefox.

13. [BUG FIX] 061122298, 061122299, 061122300, 061107323

Symptom: Sometimes DUT cannot detect eicar AV.

Condition:

Topology: PC1 --- [LAN] DUT [WAN/Public IP] --- Internet.

(1) Restore default romfile.

(2) Register DUT AV function.

(3) Set WAN IP= Ethernet/Static IP(Public IP).

(4) Go to eWC>>ANTI-VIRUS>>General page, enable Anti-Virus, enable ZIP file

Scan, active HTTP service for all interface.

(5) PC1 accesses http://www.eicar.org/anti_virus_test_file.htm to download eicar.com

file.

(6) Sometimes DUT cannot detect this Anti-Virus file (eicar.com).

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