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Forum Discussion

Sandibear764's avatar
Sandibear764
Aspirant
Feb 23, 2016

Security issues with C6300 Cable Modem

I have received numerous DoS ICMP Flood attacks through my C6300 Cable Modem. I have tried changing passwords, SSID Name, factory resets. Still I am having security issues.!Comcast has suggested that ...
Security
jpoorboy's avatar
jpoorboy
Aspirant
Jul 20, 2017

Hello,

 

I am seeing the same issue as OP.

I have had my ISP come out and test my lines and no line noise, but my speeds are dropping.

Seeing lot's of IP's listed in the logs.

Please help!

DarrenM's avatar
DarrenM
Sr. NETGEAR Moderator
Jul 21, 2017

Hello jpoorboy

 

Can you post the logs might be able to help.

 

DarrenM

  • jpoorboy's avatar
    jpoorboy
    Aspirant
    Jul 26, 2017

    Hello Darren.

     

    Sorry for the delay.

    I changed my IP to 0.0.0.0 in the log snipit I have provided below.

     

    DescriptionCountLast OccurrenceTargetSource
    [DoS attack] ICMP Flood from 219.144.128.591Wednesday, 26 Jul 2017 16:07:440.0.0.0219.144.128.59
    [DoS attack] ICMP Flood from 54.94.201.101Wednesday, 26 Jul 2017 13:57:110.0.0.0

    54.94.201.10