Possible Dos attack on Router help?

liltwizzler · Oct 13, 2014

Router WNDR3700v4 - Up to date Firmware

[DoS Attack: Ping Sweep] from source: 128.9.168.98, Monday, October 13, 2014 16:33:29
[DoS Attack: Ping Sweep] from source: 203.178.148.19, Monday, October 13, 2014 16:32:17

I have also been getting ACK Scans, and RST scans from various IP's.

Main reason I am concerned I usually play CSGO and when this is happening my ping spikes up to 120ish and wont stabilize.

Is there anything I can do, Virus scans, Factory reset on router?

Also sorry if this is the wrong subreddit?

bill001g · Oct 13, 2014

Unless you see these happening multiple times per second they likely will have no impact. This is pretty typical and you will see it from time to time on pretty much any connection. We turned on a server on a IP on our corporate ip blocks that had never been used before and this machine was being scanned within about 5 minutes and had never even sent data to the internet. These pretty much run constantly on every address you can think of.

The reason you see the message is the router has detected the problem and is protecting you. It generally has no impact on the router unless you start getting thousands of requests per second.

Still there is absolutely nothing you can do about it. By the time your router even sees the data the packets have used your bandwidth. Maybe you can turn the firewall option off in the router which would cause it to not even log the attacks but its hard to say if that is causing your router any issues.

liltwizzler · Oct 13, 2014

bill001g :

Thanks for the info, it just happens randomly and when it does, like I said my ping whether it be on CSGO, tf2, WoW usually spikes up, even speedtest's are slower than usual (ping wise)

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Possible Dos attack on Router help?

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