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255.255.255.255 traffic

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Name: Samuel Gabbert Jr
Date: July 24, 2003 at 19:27:17 Pacific
OS: Win Me
CPU/Ram: 513
Comment:

Why am I having traffic from 255.255.255.255?
Could this be a hacker? I have this traffic on my firewall log all the time. It is like this traffic is flooding my computer? What can aperson do to stop this traffic?



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Response Number 1
Name: EC
Date: July 24, 2003 at 20:41:00 Pacific
Reply:

255.255.255.255 is a subnet broadcast as it broadcasts to anyone on your local network . Do you happen to have networking or file sharing enabled? It is basically harmless, unless it gets in. Have seen a lot of sync/ack packets from port 80 to non-existent addresses on a network.
Hackers are spoofing source addresses to
attack a host, but you are just caught in that, as an innocent victim. If ISPs would filter their customer's packets (to prevent spoofing), you would no longer see those packets. I have also seen syn/ack packets from 255.255.255.255:X
Just make certain your FIREWALL is blocking them, by frequently reading the security logs.


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