2
votes
1answer
1k views

Windows Server 2008: Limit UDP/TCP packets per IP or ban

How I can limit UDP/TCP packets per IP send to my host (or better PORT) per second or minute ? Would be nice to ban that IP for 12/24 hours or even for ever. I got Windows Server 2008 and I'm very ...
1
vote
2answers
235 views

Concerns about a Dedicated (Windows Server 2008) + DDoS [duplicate]

I am have today a dedicated server with these specs: Intel Core i5 750, 2x120GB (ssd + raid), Windows Server 2008 Web, 200Mbps Network, 24 Gb DD3 And I would like to know what are the best ...
2
votes
1answer
1k views

How to enable SYN cookies on windows server 2008?

I have a SYN spoofing attack on one of my servers. While there are enough resources available on server (BW, CPU, RAM), new legitimate requests get Request time-out error. It seems backlog queue gets ...
1
vote
3answers
435 views

Best software defense against a bandwidth SYN spoofing attack

This is a known DDoS attack. The case is about a Windows server 2008 enterprise edition. Under attack peak, server's CPU reaches 60%, 50% of memory is still free and half of network card is utilized ...
1
vote
2answers
679 views

2700 Connection and 100% CPU with Apache?

We just config our website to our new server running on Windows Server 2008. Our server is quite strong, Xeon quadcore 3.0 and 25GB ram. Running Mysql and Apache Problem is we are running high on ...
2
votes
2answers
773 views

DDoS Attacks on Game Servers [duplicate]

We run a fairly large game server hosting company with about 60 machines running Server 2008, and DDoS attacks something we have been dealing with for a long time. Unfortunately, due to the prices of ...
4
votes
2answers
6k views

How Can I Harden the TCP/IP Stack in Windows Server 2008? [duplicate]

I would like to make sure that my Windows 2008 servers are hardened against DDOS attacks. There is a Microsoft Technet article on Hardening the TCP/IP stack, but it was last revised in January 2006. ...
3
votes
3answers
3k views

Protecting Hosted Windows 2008 Servers against DDOS Attacks

Followup to Identifying DDOS Attacks on Windows 2008 Servers. What steps are people taking to prevent DDOS attacks against their Windows 2008 Servers in a hosted environment? I'm particularly ...
2
votes
3answers
5k views

Identifying DDOS Attacks on Windows 2008 Servers [duplicate]

I recently was notified by my monitoring service that a few Windows 2008 servers (hyper-v instances) were down. I logged into the Hyper-V box and noticed everything was super slow. I opened task ...