Linked Questions

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votes
0answers
22 views

Best Software solution for defend block DDoS? [duplicate]

What are the best solution for defending DDoS on software niveau? I have installed this: mod_evasive fail2ban Maybe this: syn_cookies What can be done else what can i install as software?
-2
votes
3answers
49 views

Use two or more IP addresses to prevent DoS attacks [duplicate]

N00b question But say I had a dedicated server with two IP addresses, and the software (We'll just use Apache as an example) was using both IP address to serve content, in the event of a DoS attack ...
-1
votes
1answer
100 views

How to stop small DDOS attacks (443 port)?

On the server goes DDoS attack. ~# netstat -n -p | awk '{print $5}'|awk -F: '{print $1}' | sort -n | uniq -c | sort -nr | head -n10 48 109.229.9.53 47 31.207.244.130 45 87.252.227.83 ...
0
votes
0answers
17 views

Can't stop the UDP packets [duplicate]

My datacenter has stopped my cloud server because my server is producing excessive UDP traffic. I have run: tcpdump -i eth0 udp and following is a sample set of log. 13:09:42.789583 IP ...
1
vote
2answers
256 views

Deny all “direct” traffic [duplicate]

My server is under heavy attack (maybe DDOS, I've no idea). I've checked the access logs (to put things into perspective, it's site with a daily 1000 visitors, nothing fancy): 78.176.175.208 - - ...
9
votes
6answers
678 views

DDoS. Are we that helpless? [duplicate]

With recent DDoS incidents related to wikileaks, I can't help but feel that pretty much all sites online are very vulnerable to such attacks. Visa, MasterCard (to name a few) have shut down because of ...
0
votes
0answers
24 views

Windows Advanced Firewall - Advanced Rules? [duplicate]

my game server is being DDoS attacked (Windows Server 2012). Probably you would say there is nothing I can do but I don't think so because I can use my dedicated server in a normal way, it's just that ...
-2
votes
0answers
33 views

How to block a DDoS attack? [duplicate]

My website is under a DDoS attack with bots. They are all coming in from different IPs so I can't block them all. Is it possible to make a CAPTCHA or a password just to connect to the site first for ...
0
votes
1answer
3k views

Iptables ratelimit UDP DOS attacks [duplicate]

Well, I've been a victim of Ddos attacks and I really can't figure out how to avoid it. On some machines it works, while on some it doesn't or probably I'm doing it wrong in some way, Attackers are ...
0
votes
2answers
610 views

Prevent scanning of the Apache's /default directory [duplicate]

I have two directories, under /var/www/vhosts: mydomain/ and default/. Files in default directory can be accessed using IP address of our server. I have checked Apache log and somebody is ...
0
votes
1answer
1k views

Best Practice for captcha based protection against D.O.S to Nginx Proxy [duplicate]

The idea is explained here In simple words, Nginx Proxy plays the role of load balance and transmits the HTTP/HTTPS requests to servers. If the number of request times within a certain period from ...
2
votes
1answer
190 views

How can I implement an ip whitelist to protect my server? [duplicate]

I'm going to start running a gameserver soon and I want a way to reduce the the damage of a denial of service attack. I want to make it so when someone joins the game their ip adress is added to a ...
4
votes
1answer
254 views

Windows server 2008, a very small DDoS is able to kill my server [duplicate]

So I have this i7 3.2Ghz 6-core dedicated server running Windows Server 2008, with a 1Gbps internet speed. Everything runs fine and nice, and the machine is strong enough to handle even up to 700 ...

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