Hi, Past number of days,  our RDP servers are getting SYN ATTACKS on our servers. To protect from it, we have to change default port of RDP from 3389 to 2389. To connect to RDP server you just need to add after the IP:2389 For eg: Your RDP IP is 1.2.3.4 but now you aren't able to connect to it. Now you need to enter like this: 1.2.3.4:2389 ...