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Eset: ARP cache poisoning attack from G3100 router

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Doc9898
Copper Contributor
Copper Contributor
Posts: 10
Registered: ‎12-07-2020

Eset: ARP cache poisoning attack from G3100 router

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Hi,

 

Lately Eset internet security has been going crazy with notifications that its blocking ARP Cache poisoning attacks and that there is a duplicate ip address at 192.168.1.1. That is strange because that is the source of the G3100 router and not sure whats going on or if the device has been compromised or is this a false positive due to how the router works.

 

Thanks

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Doc9898
Copper Contributor
Copper Contributor
Posts: 10
Registered: ‎12-07-2020

Re: Eset: ARP cache poisoning attack from G3100 router

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(458 Views)

Turns out I had another router that I had configured to use as a switch and somehow the settings reset and it was running as another dhcp server. Once I realized the source I was able to fix the problem.

 

Thanks

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5 REPLIES 5
dslr595148
Platinum Contributor III Platinum Contributor III
Platinum Contributor III
Posts: 6,107
Registered: ‎09-24-2008

Re: Eset: ARP cache poisoning attack from G3100 router

Message 2 of 6
(559 Views)

Points to https://www.comparitech.com/blog/information-security/arp-poisoning-spoofing-detect-prevent/

 

to where it says How to detect ARP poisoning and as well as the first three listed options on How to prevent ARP poisoning.

 

Maybe also the fourth option on How to prevent ARP poisoning.

If you are the original poster (OP) and your issue is solved, please remember to click the "Solution?" button so that others can more easily find it. If anyone has been helpful to you, please show your appreciation by clicking the "Kudos" button.


 

Cang_Household
Gold Contributor VII Gold Contributor VII
Gold Contributor VII
Posts: 1,347
Registered: ‎09-06-2020

Re: Eset: ARP cache poisoning attack from G3100 router

Message 3 of 6
(543 Views)

Do you have other networking devices on your network? This could potentially be an IP conflict after all. Do you have other routers and modems that are not powered down completely?

Doc9898
Copper Contributor
Copper Contributor
Posts: 10
Registered: ‎12-07-2020

Re: Eset: ARP cache poisoning attack from G3100 router

Message 4 of 6
(459 Views)

Turns out I had another router that I had configured to use as a switch and somehow the settings reset and it was running as another dhcp server. Once I realized the source I was able to fix the problem.

 

Thanks

View solution in original post

Cang_Household
Gold Contributor VII Gold Contributor VII
Gold Contributor VII
Posts: 1,347
Registered: ‎09-06-2020

Re: Eset: ARP cache poisoning attack from G3100 router

Message 5 of 6
(450 Views)

I thought that too.

Doc9898
Copper Contributor
Copper Contributor
Posts: 10
Registered: ‎12-07-2020

Re: Eset: ARP cache poisoning attack from G3100 router

Message 6 of 6
(442 Views)

oops

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