53 lines
1.1 KiB
Plaintext
53 lines
1.1 KiB
Plaintext
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1)
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On utilise la commande ncat -u -l -v -p 50000
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Ncat: Version 7.94 ( https://nmap.org/ncat )
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Ncat: Listening on [::]:50000
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Ncat: Listening on 0.0.0.0:50000
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sur un autre terminal on utilise la commande ss -lnu
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UNCONN 0 0 0.0.0.0:50000 0.0.0.0:*
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2)
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dd if=/dev/zero of=ft-file.dat bs=1K count=9
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9+0 records in
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9+0 records out
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9216 bytes (9.2 kB, 9.0 KiB) copied, 0.0083619 s, 1.1 MB/s
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ls -lh ft-file.dat
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-rw-r--r-- 1 solar students23 9.0K Mar 12 14:52 ft-file.dat
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II)
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1)
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which traceroute
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which: no traceroute in (/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/opt/android-sdk/platform-tools:/opt/android-sdk/tools:/opt/android-sdk/tools/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl)
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which tracepath
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/usr/bin/tracepath
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cela signifie que tracepath existe et non traceroute
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2)
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tcpdump -vvv -i eno1 -f "host 172.16.3.198 and not tcp and not udp and not arp" -w tracepath-trace.txt
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tracepath 8.8.8.8
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tcpdump -r tracepath-trace.txt
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3)
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-n permet d'afficher les ip numériques
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4)
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tcpdump -r tracepath-trace.txt |sed '/UDP.*$/a \\'
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a)
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