If you have a Windows server and you are observing a load on the server or if the server goes down,then there might be a attack on your server. Below are some common problems faced when the server is under attack.

1) Site keeps loading.
2) Site timeout error.
3) SQL connection timeout .
4) Unable to send or receive emails.

If you are facing such issues, then your server might be under DOS attack. If you face a situation where all the server resources and ports are inaccessible, then your server might be under DDOS attack.

Steps to check if the server in under attack.
You first need to check how many connections are made on your server. To find out the number of connections made on the server, you need to run the below commands.

netstat -ano | find /i /c “:80”

netstat -ano | find /i “80”

You can even check the number of connections made from a particular IP. To check the number of connections made from a specific IP, you can fire the below command.

netstat -ano | find /i /c “IP Address”

Using the above commands you can easily find out if your Windows server is under attack or not.