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Special Apps we've become aware of as Result of ZoneAlarm:
PestPatrol News: April/May 2002 - Alas, another fine Program gone.
Editing Ads in prefs.js, Netscape Messenger Email Client:
Under Windows 2000, the New ZoneAlarm Pro 3.0 default configuration will work "as is" with Netscape Communicator 4.78. IF however you decide to customize ZoneAlarm Pro 3.0 by changing Privacy Settings, Ad Blocking - Don't be surprised when your Netscape Messenger Email Client locks up. This will then proceed to cause Netscape Communicator 4.78 Browser to lockup. How can you unfreeze Netscape Communicator & Messenger?
Best way to temporarily resolve this, From the Task Bar, Shutdown ZoneAlarm Pro (temporarily). Communicator & Messenger will then load and function correctly. The Messenger window is by default reading the Netscape junk mail in your Messenger Email Client window. For now, 1st reconfigure ZoneAlarm Pro to allow this garbage from Netscape to pass through. Access from: Privacy Settings, Ad Blocking - OFF!
For this to work properly, close all Netscape Communicator 4.78 Browser windows. Search your HD for prefs.js and open this preferences file in Notepad to edit.
Add the following line to the bottom of your (prefs.js)
Save and Exit prefs.js. Restart your Netscape Messenger Email Client. And No More Garbage Ads! Now go back and set ZoneAlarm Pro 3.0 to block garbage Ads and see if Netscape is OK with this new setting. IF you have multiple Email Accounts to access through Netscape Communicator, Utilities, User Profile Manager, expect to Edit all prefs.js files as described above for proper ZoneAlarm Pro 3.0 Firewall interaction.
Discussion During BuildOrBuy Sessions including Firewall Protection from ZoneLabs.com.
According to HALNet's private newsgroups, "It's related to checking your mail. To stop it, stop checking your mail.... ...All Zone alarm saw was one, empty, short, UDP packet sent to your system every time you download mail; this it called an attempt to access your computer."
Other comments include: "...port 1110 appears to be a "keep-alive" port, to test that the target system is still available. My system usually gets one of these UDP packets per email.
A quick visit to http://groups.google.com/ looking for info on "port 1110" reveals that this may indeed be the case. IOW the sending POP server sends a UDP packet to port 1110 to test whether the receiving system is still up. AFAIK my system (like yours) discards the packet (sends no response), but I still get my email."
We hope this helps those of you who use www.HAL-PC.org - HALNet for email.
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Web Development, Gill Boyd & Team - Posted 09-19-2001; Revised 02/06/2009