Dear All
Very often I am getting attacked by some attackers with random port. It causes to make jam into my network and the bandwidth is going to increase high .
If anyone have good solution to protect from the attack, please share it.
This is a job for your ISP (if it provides such services).
Yup your ISP will need to filter/block further upstream in the network. Unless your router has obvious open services like DNS.
Do you have public IP or ISP’s private one ?
If you have public then IMHO it is not ISP bussiness to block any traffic as ISP does not know if it is legal/unlegal stream of data. You may ask him to block it but public IP is public so you need to live with such problems.
If you have ISP’s private IP then you should ask him for help to find if the traffic is started by you or it is pure attack on your device.
You have to add drop rules against those ports/IPs in your firwwall. This is not your ISP responsibilty to block it but your own.
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