This is a discussion on firewall question within the Tech Board forums, part of the Community Boards category; my firewall is logging "Incoming ICMP': Blocked: In ICMP [8] Echo Request" at a rate of about 8/min 24/7 from ...
my firewall is logging "Incoming ICMP': Blocked: In ICMP [8] Echo Request" at a rate of about 8/min 24/7 from various ips (there doesnt seem to be any repeats, at least when i quickly glanced for repeats).
also, for about a period of ten minutes, I had hundreds of this logged "'Other ICMP': Blocked: In ICMP [3] Destination Unreachable, c-24-99-16-9.atl.client2.attbi.com [24.99.16.9]->localhost, Owner: Tcpip Kernel Driver" all from the same ip,
Should I be concerned about this?
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Hmmm... have you been browsing pr0n and/or warez sites? Have you downloaded anything?
No need to answer. If you have, you might want to run a virus scan - something outbound might be causing it.
Other than that... can't help ya. Have you tried Google?
I keep getting the same thing. I ran AVG, but it didn't pick anything up. For now, I'm just going to let it keep throwing out packets.
I'm getting one inbound every 30 seconds or so, and every once in awhile (maybe every 5 packets), it tries to send a TCP packet out.
It's not entirely unnormal (yeah, that's a word..) to get pinged a lot. From a single IP might be a bit odd though, unless that IP is your ISP. A lot of ISP's will ping their customers quite a bit. 8/min is nothing I'd be too worried about, possibly because you're blocking it it's trying again? Not sure. It's when you get pinged at about 40k/second (yes, it's very possible) when you might want to worry
once i got bored and tried to lock up my CPU, so i pinged 127.0.0.7 10k/sec and it worked within about 5 seconds
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Yarp, fun eh? The company I work for is developing a Firewall and testing it has been great funOriginally posted by major_small
once i got bored and tried to lock up my CPU, so i pinged 127.0.0.7 10k/sec and it worked within about 5 seconds. One of the guy's I work with created an uber pinger that shoots out around 50k pings per second and OMG! The second he starts hitting my machine it locks up, stops pinging and I regain control. Ping floods can be a scary thing...
hence why I say not too worry too much about 8/min
it's fun when you ping your own machine... it locks up so you can't stop the program that's doing the pinging, so when the CPU gets any free time it runs the program some more and locks up again
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