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I've been trying to test our software against DOS attacks. So, I used 'HPing3' but it just fills up 10-11M of my interface's bandwidth! I ran the tool 40 times, I mean 40 hping3 processes, unfortunately nothing changed in my interface's bandwidth!

Well, my question is: How should I fill up my interfaces bandwidth for DOS attacks simulation?

@camp0 here is the result of ethtool:

# ethtool enp3s0
Settings for enp3s0:
    Supported ports: [ TP MII ]
    Supported link modes:   10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Half 1000baseT/Full 
    Supported pause frame use: No
    Supports auto-negotiation: Yes
    Advertised link modes:  10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Full 
    Advertised pause frame use: Symmetric Receive-only
    Advertised auto-negotiation: Yes
    Link partner advertised link modes:  10baseT/Half 10baseT/Full 
                                         100baseT/Half 100baseT/Full 
                                         1000baseT/Half 1000baseT/Full 
    Link partner advertised pause frame use: Symmetric Receive-only
    Link partner advertised auto-negotiation: Yes
    Speed: 1000Mb/s
    Duplex: Full
    Port: MII
    PHYAD: 0
    Transceiver: internal
    Auto-negotiation: on
    Supports Wake-on: pumbg
    Wake-on: g
    Current message level: 0x00000033 (51)
                   drv probe ifdown ifup
    Link detected: yes

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  • HI, probably your interface don't support more than 10M or your CPU is not enought, however it would be a good idea if you could provide us the information of your network card (ethtool and ifconfig in linux) – camp0 Jan 19 at 14:27
  • There's probably a better tool to use for this job; perhaps specifically tailored to DoS testing. – multithr3at3d Jan 19 at 15:29
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try putting your hping3 machine on the same network fabric, literally the same switch as the box you are testing. This takes any issues with multiple hops and routing out of the equation.

  • I did it before, but nothing changed. also I used the --fast switch and again the same result. – N00000000000000000p Jan 20 at 7:33
  • i mean --flood – N00000000000000000p Jan 20 at 7:44

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