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Questions tagged [flooding]

Flooding is a type of Denial of Service(DoS) network attack, which consists of the generation of numerous TCP requests intended to overwhelm a web server and result in slowdown or downtime.

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can I specify IP soure or interface in packet sender

I use packet sender to generate UDP flooding traffic. However, I have multiple NICs and the NIC packet sender using is not what I want. How do I specify the NIC in the packet sender?
anonymous bear
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Preventing flooding/DOS attacks in Java/AMF app

I'm working on the Java backend for a Flash webgame - the client and server communicate using Action Message Format (AMF). A few weeks ago, another team in our company had their product hacked by a user who decompiled the Flash client, and used an…
Isaac Lewis
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Java Login Server Flood Protection

my java server is currently being DDoSed by thousands of different ip's. To counter it, i've been blocking the ip's through the dedicated servers firewall. However just more and more keep coming. This attack is flooding my login server causing…
Travis
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How to ask Scapy to send packets faster, say 1000pps

I just wanna control the velocity of packet generation, because Scapy is too slow to send packets by default using "send". Some suggestions say "sendpfast" can specify PPS, however, it doesn't work in my script, neither does "sendp". After replace…
merlò
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Flooding vs Javascript

I use to make an interface to send message to my website by using only HTML (without any kind of human verification). Annoying to get every days many fake message by bots that spam or flood my website, I do this interface by using Javascript : I…
markzzz
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ASK : What if 1 server send ping to 5000 or more device?

What if 1 server send ping to 5000 or more device at same time? does it cause bandwidth overload? or does it make flooding? thank you
Gibran Akbaromi
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Protection against possible syn-flood DDoS attack

I'm running a service at a given port (let's say 1234). From time to time it's not reachable. When I check dmesg I see: TCP: Possible SYN flooding on port 1234. Sending cookies. Check SNMP counters net.ipv4.tcp_max_syn_backlog is set to 1024 When I…
user994612
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How to set a dispatch rate to ActiveMQ queue

Given a queue in ActiveMQ with 50+ consumers, Is there a way to dispatch at the most 1 event per second to consumer? This is to control a flood of events dispatch. Event producers are outside my application. Hence I need to handle the controlled…
suman j
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PHP: avoid Flood/Spam system by session?

can I use Session avoid Flood/Spam ? ( spam in form ). I only need avoid use can repeat action as 3,4 action /s .
meotimdihia
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Is it worth it to use request-ip package for an express.js app instead of req.ip

I need to do a basic flooding control, nothing very sophisticated. I want to get source IP and delay the answer if they are requesting too many times in a short period. I saw that there is a req.ip field but also a package:…
Paul Exchange
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Find areas in matrix..?

lets say I have a very big matrix with 10000x10000 elements all having the value '0'. Lets say there are some big 'nests' of '1's. Those areas might even be connected, but very weekly connected by a 'pipe' of '1's. I want to get an algorithm that…
user266751
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Flood Data in PHP form

I want to flood some random data in a PHP form. Can I do it? I want to actually test my website and database ofcourse. All I want to know that is it capable of handling if multiple registration is done at same time.
Himanshu Shankar
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How to detect ping flood in java?

I hava a Java web service and I would like to send an alert to an Android client if a lot of ping requests target that web service. Is there a method/library which can provide this thing in Java?(something similar to scapy lib from python)
andcsie
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Maximum execution time for of 30 seconds exceeded in Goutte

Hi I am trying to crawl a website, specifically www.cvedetails.com and all the CVEs and after about 600 CVEs I got this error: Maximum execution time of 30 seconds exceeded in…
aDoN
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How many websockets can client receive per second?

I have simple javascript websocket on client side var ws = new WebSocket("ws://myhost:myport"); ws.onopen = function(e) { // handle sockets here }; I am going to write C++ server that might send 10,000-100,000 sockets to client per…
sirjay
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