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Author: Subject: More than a few timeouts..........
oldhippie
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[*] posted on 7-16-2007 at 02:18 PM


Could be, I think I pinged the domain name and it didn't translate. Not sure, I was trying a lot of things to see what was going on.



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toneart
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question.gif posted on 7-16-2007 at 10:27 PM


I too have Zone Alarm and I keep getting what they call a "Smart Defense Advisor". It says, "ZoneAlarm prevented your computer from accessing port 53 on a DNS server."

From what I can understand, my computer is blocking outbound communications to a Domain Name Server (DNS). Its function is to convert a domain's IP address into a recognizable name.

When I get into ZoneAlarm's report, it shows my IP# was blocked from sending to DNS 68.87.76.178:53. The name is:
cns.sanjose.ca.sanfran.comcast.net.

Comcast is my ISP. According to the report, this DNS has been prevented from my transmissions for several weeks, but starting yesterday, coinciding with my upgrade of Flash, I have started getting ZA's advisories. It also says, "No security breach has occurred. Your computer is safe.

What is going on? Is this the "attack" that has been referred to in this string? Is it related to Flash or is that a coincidence?

Everything is working normally today, including this BajaNomad site.




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toneart
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[*] posted on 7-17-2007 at 10:07 AM


Quote:
Originally posted by lencho
Quote:
Originally posted by toneart
I too have Zone Alarm and I keep getting what they call a "Smart Defense Advisor". It says, "ZoneAlarm prevented your computer from accessing port 53 on a DNS server."
That doesn't seem very smart. The only reason I can think for your firewall to block DNS requests (essential for Internet work) would be if some process were making them so frequently that it looked like a virus trying to do a denial of service attack on the DNS server. Weird...

Hmm. It might get suspicious if the DNS server weren't responding to requests and they were repeated for that reason. I've never used Zone Alarm... Are you sure that's a working DNS server? Can you clear that listing in Zone Alarm so it starts fresh?

--Larry


Larry,
Thank you for helping with this. I don't want to bore other Nomads by continuing this, or by testing your patience. I have been continuing because it was a concern of the BajaNomad administration and also those who initially posted to this string. So....

Admittedly, I am not much of a techie but I learn under fire. I will call Comcast tech support, since the DNS seems to be one of their IPs. It hasn't really prevented me from accessing my Comcast home page or navigating to any website I choose. All I can think is the DNS my IP is trying to access is not necessary, or that ZoneAlarm is an overly sensitive bot.




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