Denial of Service is a family of attacks that attempt to force a target to use up resources (CPU time, memory, bandwidth etc) through flood a target with useless packets, connections or tasks

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outbound ICMP allow or not [duplicate]

What is you opionion to allow outbound ICMP from the networks?? I saw many opionios on this.. on one hand is usefull troubleshooting tool on other hand many DOS attacks are based on ICMP not speaking ...
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SIP DoS classifications

I would like to understand below SIP DoS attacks Message Payload Tampering [implementation errors, SIP bugs] Flow Tampering [CPU, Bandwidth, Memory] Message Flooding [lack of authentication or ...
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DoS attack against a domain registrar and DNS provider

our smalltime registrar comes under DoS often who is also our DNS provider. If we switch our DNS provider, will it let us keep our domain afloat during an attack against the registrar, or do we have ...
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Can the attacker launch a sufficiently large SYN flood to overwhelm the victim's server?

Suppose that the victim's web server infrastructure can process 200,000 TCP connection requests per second. Assume that a single connection request (TCP initial SYN) requires 40 bytes to transmit. The ...
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Whose resources does Maltego Footprint L3 exhaust? Mine or target's?

Maltego Footprint L3 says: This perform a level 3 (intense) footprint on a domain. It takes a while and it eats resources. Use with care. Whose resources do they refer to? My resources or the ...
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Packet size and flood attacks

Do the attackers use small but a lot packets or big and some? e.g. 2 bytes or 512bytes? Also , can packet size affect the size/speed of the attack? Something more , how do the firewalls block dos ...
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If someone downloaded 600GB , can that be ddos attack [duplicate]

Last night some one exploit some vulnerability in my site and then upload php script in my images folder . I have the Amazon EC2 server with centos. Now the Hacker downloaded 600GB and increased my ...
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Why would you want to initiate a DoS attack on a system you are testing?

What is the value of a DoS attack as part of a security assessment? this is the question asked to me in EC council's exam preparation, so need to know. not intending any attack
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DoSing my Home Network with only a Public IP address [closed]

+--------------------------------------------------------+ | Client Host Name |.. IP Address ..|.... MAC Address ...| | Desktop-Home ....| 192.168.1.100 | 00:19:D1:EA:03:68 | | GT-S5380K ...