En este artículo, ‌aprenderás ungabonisa kanjani futhi uhlaziye amaphakethe usebenzisa i-tcpdump, ithuluzi lomugqa womyalo elikuvumela ukuthi uthwebule futhi uhlaziye ithrafikhi yenethiwekhi ezinhlelweni ze-Unix ne-Linux. I-Tcpdump iyithuluzi elinamandla elikuvumela ukuthi ubuke ithrafikhi yenethiwekhi ngesikhathi sangempela, ewusizo ekuxazululeni izinkinga zenethiwekhi, ukuqapha ithrafikhi, nokwenza ukuhlaziya ukuphepha Ukufunda indlela yokusebenzisa i-tcpdump kuzokunikeza ukuqonda okujulile kokuthi kwenzakalani kunethiwekhi yakho. futhi izokusiza ukuthi uxazulule izinkinga zokuxhuma nokusebenza ngempumelelo kakhudlwana Qhubeka ufunda ukuze uthole indlela yokusebenzisa i-tcpdump ukuze ubonise futhi uhlaziye amaphakethe enethiwekhi!

- Isinyathelo ngesinyathelo ➡️ Ungabonisa kanjani futhi uhlaziye amaphakethe usebenzisa i-tcpdump?

• Instalar tcpdump: Into yokuqala okudingeka uyenze ukufaka i-tcpdump kusistimu yakho. Ungakwenza lokhu usebenzisa isiphathi sephakheji yesistimu yakho yokusebenza. Isibonelo, ku-Ubuntu, ungasebenzisa umyalo sudo apt-get ukufaka i-tcpdump ⁢ ukufaka i-tcpdump.
• Ejecutar tcpdump: Uma usuyifakile i-tcpdump, ungayisebenzisa kutheminali. Ungasebenzisa umyalo ⁢ sudo tcpdump okulandelwa yinoma yiziphi izinketho ofuna ukuzengeza, njengokuthi -i ukucacisa isixhumi esibonakalayo senethiwekhi noma -n ukubonisa amakheli e-IP esikhundleni samagama osokhaya.
• Bonisa amaphakheji: Ngemva kokusebenzisa i-tcpdump, uzobona uhlu lwesikhathi sangempela lwamaphakethe adlula ku-interface yenethiwekhi eshiwo. Lokhu kuzobandakanya ulwazi olufana nomthombo nekheli okuyiwa kulo, iphrothokholi esetshenzisiwe, kanye nedatha yephakethe.
• Hlunga amaphakheji: Ungahlunga amaphakethe abuyiswa yi-tcpdump usebenzisa izinkulumo zokuhlunga. Isibonelo, uma uthanda kuphela amaphakethe anekheli le-IP lomthombo othile, ungangeza src isingathe i-ip_address yakho kumyalo wakho we-tcpdump.
• Hlaziya amaphakheji: Uma usuthwebule amaphakethe athile nge-tcpdump, ungahlaziya okuqukethwe kwawo ukuze uqonde kangcono ukuthi kwenzakalani kunethiwekhi yakho. Ungasebenzisa amathuluzi afana ne-Wireshark ukuze uvule amafayela wokuthwebula we-tcpdump futhi uhlaziye amaphakethe ngokuningiliziwe.

Imibuzo Nezimpendulo

⁢TCPDump FAQ

Iyini i-TCPDump?

TCPDump iyithuluzi ⁢lomugqa womyalo elisetshenziselwa bamba futhi uhlaziye amaphakethe enethiwekhi.

Ungayifaka kanjani i-TCPDump?

Ukufaka TCPDump, ungasebenzisa umyalo olandelayo⁢ kutheminali:

sudo apt-get⁢ faka i-tcpdump (kumasistimu asekelwe ku-Debian/Ubuntu)

yum ufake i-tcpdump (kumasistimu asekelwe e-RedHat/CentOS)

Ungawathwebula kanjani amaphakethe nge-TCPDump?

Ukuthwebula amaphakethe nge TCPDump, sebenzisa⁢ umyalo olandelayo kutheminali:

sudo tcpdump -i [interface] -w [output_file]

Ungawabuka kanjani amaphakethe athunjiwe ⁢nge-TCPDump?

Ukuze ubuke amaphakethe athathiwe, sebenzisa umyalo olandelayo kutheminali:

tcpdump​ -r [input_file]

Ungawahlunga kanjani amaphakethe nge-TCPDump?

Ukuze uhlunge⁤ amaphakethe nge TCPDump, ungasebenzisa izihlungi ezifana nalezi:

tcpdump -i [interface] src host [ip_address] (ukukhombisa amaphakethe athunyelwe ekhelini elithile le-IP)

tcpdump -i [interface] dst host [ip_address] (ukukhombisa amaphakethe amiselwe ikheli elithile le-IP)

Ungawahlaziya kanjani amaphakethe nge-TCPDump?

Ukuhlaziya amaphakethe nge⁢ TCPDump, ungasebenzisa amathuluzi afana I-Wireshark ukuze uthole ukuhlaziya okuningiliziwe.

Ukugcina kanjani okukhiphayo kwe-TCPDump kufayela?

Ukugcina okukhiphayo kwe TCPDump efayeleni, sebenzisa umyalo olandelayo kutheminali:

tcpdump -i [interface] -w [output_file]

Ungalubona kanjani usizo lwe-TCPDump?

Ukubona usizo lwe TCPDump, sebenzisa umyalo olandelayo kutheminali:

tcpdump ⁣-h

Ungawabonisa kanjani amaphakethe ngefomethi efundekayo nge-TCPDump?

Ukuze ubonise amaphakheji ngefomethi efundekayo, sebenzisa umyalo olandelayo kutheminali:

tcpdump -A

Ungahlunga kanjani i-TCPDump⁢ okukhiphayo ngekheli le-IP yomthombo?

Ukuhlunga okukhiphayo ngekheli le-IP eliwumthombo, sebenzisa umyalo olandelayo kutheminali:

tcpdump -n -t -e