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dddos_example.txt
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dddos_example.txt
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Demonstrations of dddos.py, the Linux eBPF/bcc version.
This tracks ip_rcv function (using kprobe) and elapsed time
between received packets to detect potential DDOS attacks.
The following steps illustrates the usage of dddos :
1 - Start dddos.py :
# ./dddos.py
DDOS detector started ... Hit Ctrl-C to end!
TIME(s) MESSAGE
2 - Launch hping3 (or any other flooder) in another terminal as shown below:
# hping3 localhost -S -A -V -p 443 -i u100
3 - dddos.py triggers alerts and reports a DDOS attack:
DDOS detector started ... Hit Ctrl-C to end!
TIME(s) MESSAGE
2019-01-16 11:55:12.600734 DDOS Attack => nb of packets up to now : 1001
2019-01-16 11:55:12.600845 DDOS Attack => nb of packets up to now : 1002
2019-01-16 11:55:12.600887 DDOS Attack => nb of packets up to now : 1003
2019-01-16 11:55:12.600971 DDOS Attack => nb of packets up to now : 1004
2019-01-16 11:55:12.601009 DDOS Attack => nb of packets up to now : 1005
2019-01-16 11:55:12.601062 DDOS Attack => nb of packets up to now : 1006
2019-01-16 11:55:12.601096 DDOS Attack => nb of packets up to now : 1007
2019-01-16 11:55:12.601195 DDOS Attack => nb of packets up to now : 1008
2019-01-16 11:55:12.601228 DDOS Attack => nb of packets up to now : 1009
2019-01-16 11:55:12.601331 DDOS Attack => nb of packets up to now : 1010
2019-01-16 11:55:12.601364 DDOS Attack => nb of packets up to now : 1011
2019-01-16 11:55:12.601470 DDOS Attack => nb of packets up to now : 1012
2019-01-16 11:55:12.601505 DDOS Attack => nb of packets up to now : 1013
2019-01-16 11:55:12.601621 DDOS Attack => nb of packets up to now : 1014
2019-01-16 11:55:12.601656 DDOS Attack => nb of packets up to now : 1015
2019-01-16 11:55:12.601757 DDOS Attack => nb of packets up to now : 1016
2019-01-16 11:55:12.601790 DDOS Attack => nb of packets up to now : 1017
2019-01-16 11:55:12.601892 DDOS Attack => nb of packets up to now : 1018
2019-01-16 11:55:12.601925 DDOS Attack => nb of packets up to now : 1019
2019-01-16 11:55:12.602028 DDOS Attack => nb of packets up to now : 1020
Remark : Use Ctrl-C to stop dddos.py