Sync Attacks – Info & Prevention
You can refer here for more information about the Sync Attacks.
For Prevention:
a) Firstly, change the SSH or RDC port to another port number.
b) Secondly, use proxy DDoS protection e.g CloudFlare or any others DDoS mitigation provider.
However, if your website is facing frequent Sync Attacks, and we would strongly advise you to upgrade your hosting to our Dedicated Server with physical firewall protection.
What are some ways to protect against sync flood attacks?
To protect against sync flood attacks, you have several options. The attacks can be detected by standard intrusion detection systems (IDS). It could also be blocked or minimized by built-in features in firewalls and other devices. Besides that, further protections could include lowering timeouts for how long a system waits for another system. Thcomplete the three-way handshake or having your ISP block the attacks.