They then got infected/compromised, and an attacker in an entirely different country is causing them to scan you. You say you 'know' you are being 'attacked' by a person (based on the network source), but an equally reasonable explanation is that another person on your network was probed like you were, but didn't have anything to protect them. By whom, and why, is kind of academic - and generally, difficult to figure out. The amount of scanning, probing, and highly questionable traffic is pretty staggering: because of the way the modem works (and I am clearly not the only person to have this model of modem), many computers are sending SMB discovery (and various other) requests to a /22 the ISP uses for part of their residential network.Īs others have pointed out, at this point, if you are on the internet, you are being scanned. Possibly anecdotal, but I have a cable modem which is nothing more than a bridge, basically: it translates from ethernet to DOCSIS, and hands an IP to whatever is on its ethernet port.
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This strategy is called defense in depth (now rather than simply exploiting your computer, they must first exploit the router and then try to exploit your computer and that gives you time to detect your router is compromised) and it will help protect you from attacks and prevent the port scans from reaching your computer (as they will instead be hitting the router's WAN port firewall instead.) I would recommend getting a router with a firewall and set that up to prevent attackers from being able to directly attempt to access your computer. It does, however, illustrate the importance of protecting yourself from intrusions. Just because you are seeing activity like this does not mean you are being targeted. Hackers look for low hanging fruit, so they will scan large swaths of the Internet looking for vulnerable systems.
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On my web server, I get about 30 to 100 invalid login attempts a day trying to get on my system. If you have your computer plugged directly in to the modem, random port scanning of IP addresses on the internet is extremely common. I have enabled: ICMP Flooding, SYN Flooding and ARP Attack but I think my internet connection getting slower! Should I allow the following settings or not? What configurations should I set on my router to help regarding this problem? But I have asked a specialist and he said "COMODO". If my anti-virus and firewall are not the best, what do you recommend for me? All internet is saying Bitdefender is one of the best (if not the best!).
#Bitdefender internet security 2016 blogspot how to
How to block port scanning by hackers? I have heard of NMap but I am not network specialist.
![bitdefender internet security 2016 blogspot bitdefender internet security 2016 blogspot](https://www.softvire.co.nz/wp-content/uploads/2021/05/Bitdefender-Family-Pack-vs-Total-Security-What-to-Choose.jpg)
I was shocked when I saw the External IP of the attacker is from the same country where I am so it's not a robot or virus, it's a hacker and I am his target.Ĭan the hacker break my security and access my computer if he found an opened port? I did not care about it much until I getting more especially in a specific timee. Recently I have been getting the message/alert "Port scan detected and blocked".