Ajout des travaux effectuer

23SCR/SCR014/SCR014.txt

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+I/
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+1) ncat -ul 50000
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+2)
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+ss ul
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+tcpdump -i lo "udp and port 50000"
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+3)
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+dd if=/dev/urandom of=ft-file.dat bs=1024 count=9
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+ncat -u localhost 50000 < ft-file.dat
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+ex 1:
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+ncat -l 60000
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+ss -lt
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+4)
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+5)
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+6)
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+7)
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+II/
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+1)
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+which traceroute
+which tracepath
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+2)
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+tcpdump -vvv -i eno1 -f "host 172.16.2.102 and ip and not tcp and not udp"
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+tcpdump -vvv -i eno1 -f "host 172.16.2.102 and ip and not tcp and not udp" -w tracepath.txt
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+tracepath 1.1.1.1
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+tcpdump -r tracepath.txt
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+tcpdump -v -r tracepath.txt
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+3)
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+-n permet de mettre les gateway en ip
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+tracepath -n 8.8.8.8
+ 1?: [LOCALHOST]                      pmtu 1500
+ 1:  172.16.1.254                                          0.543ms 
+ 1:  172.16.1.254                                          0.614ms 
+ 2:  37.58.131.238                                         1.377ms 
+ 3:  100.65.0.27                                           2.600ms 
+ 4:  100.64.96.159                                         3.536ms 
+ 5:  no reply
+ 6:  no reply
+ 7:  no reply
+ 8:  no reply
+ 9:  no reply
+10:  no reply
+11:  no reply
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+4)
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+a/tcpdump -v -r tracepath.txt | sed '/proto ICMP/i \\' 
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+b/
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+c/
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+d/
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