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Questions tagged [ddos]

"A distributed denial of service attack (DDoS) occurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers."

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how can I block attackers from .htacces?

I have a WordPress website with a great enemy! He attacks from WordPress zombies, ddos, query attack. I'm using cloudflare, direct server, 16 cpu. I've hidden my IP but still server goes down. Is this code helpful? RewriteEngine On RewriteCond…
mohsen 47
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What is the best way to protect against DDOS attacks?

I live in an open community.. I run a game on a dedicated server and have no idea about ddos security, I am trying to stop concurrent attacks against my game server but have no idea where to make my first movie, its like I am checkmated in an…
Josh Hallow
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Blocked IPs in iptables but DDOS still is going on

I had a DDOS today on a webserver running debian sequeeze and blocked various IP-Adresses in iptables like so: iptables -A INPUT -s 169.50.5.42 -j DROP But it seems to not being dropping the traffic from these ip. Listing all rules with iptables -L…
delete
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reading netstat of Ubuntu AWS EC2 instance

netstat: ubuntu@ip-172-31-60-232:/$ netstat Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 187 ip-172-31-60-232.:51044 unknown.prolexic.c:http ESTABLISHED tcp …
wooper clooper
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Bandwidth usage/throughput increased after DDoS attack

I have a server with Softlayer and before the attack my bandwidth usage/throughput was working at around 0.3Mbps, and then I had an 800Mbps DDoS/DoS attack that lasted 2 days, and ever since my bandwidth usage/throughput has been around 5Mbps to…
E.D.A
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How to identify domain which ddos

I have several domain alisases for my site. For example: domain1.com, domain2.com, domain3.com. All domains has NS servers provided by Cloudflare. How I can identify domains in the aliases list which ddosing?
Nibik Alexander
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Why hackers hit port 161

Recently one of our servers faced a DOS attack, and from iptables log we found out that they hit port 161 of the server. I wonder why? Here is the iptable log Mar 25 14:02:45 srv1 kernel: iptables denied: IN=eth0 OUT=MAC=xx:xx:xx SRC=xx.xx.xx.xx…
PHA
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How can I configure NGINX to block HTTP and XMLRPC (Wordpress pingback) attacks?

Hey how can I configure my NGINX to block HTTP attacks and XMLRPC attacks? Thanks
user3728587
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Sample code to send an IPv6 packet in C

My C skills are VERY rusty, and I need some help: Does anyone know how to open a socket and send an IPv6 packet in C? The goal is to test a mechanism preventing a Denial Of Service attack over IPv6. I would very much appreciate if anyone had some…
mikaelv2
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is using MVC and JSON a possible DDOS risk

Lets say im using an mvc application and either a create or getDetails function is called in AJAX, to help with page load times. Someone could easily look through the DOM there and get the URL of where you do your JSON request. that person could…
LiamHT
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Ddos an ip address with loic

I am a student in ICT at the university. I am trying to understand DDOS/DOS. I downloaded LOIC to DDOS myself and to check what it does. I am at my parents place now, my girlfriend is at our home, when i try to dos my own network at home it just…
user3801539
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Java - Simulate Slowloris HTTP DoS attack

I need to write java code test that will simulate Slowloris HTTP DoS attack on my web server. I've found a perl code that does that: http://ha.ckers.org/slowloris/ My environment is not constant, meaning i can't guarantee an active-perl installed on…
SharonBL
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jquery DDoS prevention

I'm using this example in my Codeigniter project and want to know how I can prevent people using code below for DDoS style attacks? Do I change code below or should I do something in my Codeigniter controller? Also one more thing, which approach is…
BentCoder
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Some way to prevent DDos/Dos attacking to Web Service on AWS

I want to deploy my ASP.NET web service with EC2 on AWS. Is there any way to prevent DDos attacking?
Nguyen Minh Binh
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reverse proxy for minecraft server

im currently trying to make it where my minecraft server has a reverse proxy that mostly shields it against ddos attacks and recently i have found a proxy i can host on my computer called proxy.py im getting help from chat gpt to make the proxy as…
poop face
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