Security issues with C6300 Cable Modem

Question

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 to fix the problem I would need to replace the modem. Is there a way to secure the modem short of purchasing an entirely new modem?

DarrenM · Answer

Hello Sandibear764

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Typically those attacks are when they have your Ip address does the log say what Ip these attacks are coming from?

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DarrenM

Sandibear764 · Answer

Hi Darren, thanks for responding. Yes, the event log listed 4 different IP addresses as sources. They are: 193.238.98.90; 185.94.111.1; 195.251.255.69; 203.178.148.19; and 206.117.25.90. I received multiple attacks from at least two of these IP addresses.

DarrenM · Answer

Sandibear764

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I sent you a private message about your post.

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DarrenM

Sandibear764 · Answer

Thanks Darren, I got your message. I'm baffled by this information and how they connected with me. Anyway, thank you for all of your help. Now time to put things back to right.

birdm321 · Answer

I'm having a similar issue but the source is "fe80:0000:0000:0000:0214:f1ff:fee8:7fe2". &nbsp;The attack is occurring multiple times a day. &nbsp;How can I stop this?

[DoS attack] ICMP Flood from 219.144.128.59	1	Wednesday, 26 Jul 2017 16:07:44	0.0.0.0	219.144.128.59
[DoS attack] ICMP Flood from 54.94.201.10	1	Wednesday, 26 Jul 2017 13:57:11	0.0.0.0	54.94.201.10

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Security issues with C6300 Cable Modem

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