92 lines
1.1 KiB
Plaintext
92 lines
1.1 KiB
Plaintext
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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
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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
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1?: [LOCALHOST] pmtu 1500
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1: 172.16.1.254 0.543ms
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1: 172.16.1.254 0.614ms
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2: 37.58.131.238 1.377ms
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3: 100.65.0.27 2.600ms
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4: 100.64.96.159 3.536ms
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5: no reply
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6: no reply
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7: no reply
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8: no reply
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9: no reply
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10: no reply
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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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