Imiyalo yokubheka ukuthi ngabe itheku livulekile yini ku-PC / Server yethu noma kwenye irimothi

Kwesinye isikhathi sidinga ukwazi ukuthi ngabe i-X port ivulekile yini kukhompyutha ekude (noma kuseva), ngaleso sikhathi sinezinketho eziningi noma amathuluzi esizowasebenzisa:

nmap

Isixazululo sokuqala abaningi bethu abacabanga ukuthi: nmap , bheka i-athikili ebizwa ngokuthi: Bona amachweba avulekile nge-NMap nezinyathelo zokuzivikela 

Uma ungafuni ukwenza ukuskena okuphelele, kepha umane ufuna ukwazi ukuthi ngabe itheku elithile livulekile ku-X computer / server, kungaba kanjena:

nmap {IP_O_DOMINIO} -p {PUERTO} | grep -i tcp

Isibonelo:

nmap localhost -p 22 | grep -i tcp

Kulungile:

nmap 127.0.0.1 -p 22 | grep -i tcp

Lokhu okwenziwa kulula, kubuza i-IP noma i-Host ukuthi ngabe itheku elinikeziwe livulekile noma cha, bese kuhlunga i-grep futhi kukhombisa kuphela umugqa abafuna ukuwufunda, lowo obatshela ukuthi uvulekile (uvulekile) noma uvaliwe (uvaliwe) lelo chweba:

nmap

Yebo ... yebo, i-nmap (ithuluzi lokuhlola inethiwekhi nethuluzi lokuhlola itheku) liyasisebenzela, kepha kusenokunye okuhlukile lapho kufanele uthayiphe okuncane 🙂

nc

nc noma i-netcat, kuyindlela elula kakhulu ukwazi ukuthi itheku livulekile noma cha:

nc -zv {IP_O_DOMINIO} {PUERTO}

Leyo:

nc -zv 192.168.122.88 80

Nasi isithombe-skrini senza isivivinyo ethekwini esivulekile (80) nesinye kwesinye itheku esingelona (53):

nc

El -zv okwenzayo kulula, ifayela le- v kusivumela ukuthi sibone ukuthi itheku livulekile noma cha, ngenkathi z ivala ukuxhumana ngokushesha lapho itheku lihlolwe, uma singafaki z lapho-ke kuzofanele senze i- Ctrl + C ukuvala i-nc.

Telnet

Lokhu ngukuhluka engikusebenzise isikhashana (ngenxa yokungazi lokhu esesikhulume ngakho), i-telnet yona isisiza kakhulu kunokukwazi nje ukuthi itheku livulekile noma cha.

telnet {IP_O_HOST} {PUERTO}

Nasi isibonelo:

telnet 192.168.122.88 80

Inkinga nge-telnet ukuvala ukuxhumeka. Ngamanye amagama, ngezikhathi ezithile ngeke sikwazi ukuvala isicelo senethiwekhi futhi sizophoqeleka ukuyivala leyo terminal, noma kwenye itheminali yenza i-telnet killall noma into efanayo. Kungakho ngigwema ukusebenzisa i-telnet ngaphandle kwalapho ngidinga ngempela.

Isiphetho!

Noma kunjalo, ngithemba ukuthi lokhu bekukuthakazelisa, uma kukhona owaziyo enye indlela yokwazi ukuthi itheku livulekile noma cha kwenye ikhompyutha, yishiye kumazwana abekiwe.

Phendula ngokucaphuna


Okuqukethwe yi-athikili kunamathela ezimisweni zethu ze izimiso zokuhlelela. Ukubika iphutha chofoza lapha.

Amazwana ayi-14, shiya okwakho

Shiya umbono wakho

Ikheli lakho le ngeke ishicilelwe. Ezidingekayo ibhalwe nge *

*

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  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.

  1.   Tesla kusho

    Le miyalo izongisiza uma ngixhuma nge-SSH!

    Gracias!

  2.   i-anon kusho

    Ingabe kukhona uhlelo lokusebenza lokuqhafaza lokwenza okufanayo?

    1.    KZKG ^ Gaara kusho

      Kahle ungahlala ufake i-zenmap esebenzisa i-nmap ngemuva :)

    2.    i-vidagnu kusho

      Uma nge-nmapfe, isikhombimsebenzisi sokuqhafaza esiza nmap.

  3.   I-Konozidus kusho

    Nge-netcat ingitshela ukuthi z inketho engavumelekile, ngaphandle kwayo isebenza kahle, futhi ku- $ man nc, nayo ayiveli. Kwavelaphi?

    https://blog.desdelinux.net/wp-content/uploads/2013/12/Captura-de-pantalla-de-2013-12-29-011908.png

    1.    KZKG ^ Gaara kusho

      -zIcacisa ukuthi i-nc kufanele ivele iskene amademoni okulalela, ngaphandle kokuthumela idatha kuwo. Kuyiphutha ukusebenzisa le nketho ngokuhlangana ne-- l inketho.

      Nge nc yebo ngiyabona O_O

  4.   eliotime3000 kusho

    Futhi ngixhuma kanjani ku-VPS nge-SSL?

  5.   i-vidagnu kusho

    Engihlala ngikwenza ukusebenzisa i-nmapfe host-ip ukuze inginike wonke amachweba we-tcp, manje ukubona amachweba we-udp avulekile okufanele uwasebenzise:

    nmap -sU umphathi-ip

    Ngisebenzise futhi i-telnet ngaphezu kwanoma yini enye emafasiteleni uma ngingenayo i-nmap efakiwe, okuhlukile kwe-netcat akungikhangi ...

    Phendula ngokucaphuna

  6.   Alejandro kusho

    Ngingathanda ukwazi okwengeziwe ngalokhu, ngithemba ukuthi ungangisekela nginolwazi oluyisisekelo kakhulu futhi ngithanda ukwazi kabanzi ukusebenzisa lolu hlobo lolwazi emsebenzini wami.

  7.   ubuchwepheshe21 kusho

    Ngisanda kuthola ukuthi anginawo amachweba engifuna ukuthi avulwe, manje kuzofanele ngicwaninge ukuthi ngiwavula kanjani ukuze ngenze engikudingayo. Ngiyabonga ngomnikelo, ungisize kakhulu.

  8.   I-Domtrel kusho

    I-athikili ethakazelisa kakhulu! Ngaphandle kwe-netcat, iyasebenza nakwi-vmware ESXi:

    http://www.sysadmit.com/2015/09/prueba-de-conexion-un-puerto-desde-VMWare-Windows-Linux.html

  9.   Lolo kusho

    Sudo uthole ukufaka nmap

    namp 192.168.0.19 -p 21 | grep -i tcp

    ikhaya lomsebenzisi wendawo srv / ftp

    qala kabusha ngensizakalo yesudo vsftpd qala kabusha

    write_enable = YEBO ukuze abasebenzisi bendawo bakwazi ukulayisha amafayela.

    Ukubopha umuntu ongaziwa ekhaya lakhe
    chroot_local_user = yebo
    chroot_list_enable = yebo

    allow_writreable_chroot = yebo

    no_annon_password = cha ukuze umuntu ongaziwa akwazi ukudlulisa inhlonipho

    deni_email_enable = yebo
    banile_email_file = / njll / vsftpd.banned_emails Ukuphika umuntu ongaziwa nge-imeyili.
    ____—————————————————————–
    umsebenzisi wamakheji ngaphansi kwalabo abasohlwini
    chroot_local_user = yebo
    chroot_lits_enable = yebo

    chroot_list_file = / njll / vsftpd.chroot_list.

    Ukufaka abasebenzisi igama le-sudo adduser

    khubaza indawo locale_enable = cha

    zivalele ngokwenu
    engaziwa ku-srv / ftp

    emagcekeni ekhaya lakho

  10.   UDalisperis kusho

    Kuhle kakhulu! Uma singenayo i-nmap, i-telnet noma i-netcat, singasebenzisa ikati kanye nesiqondisi se-proc:

    ikati </ dev / tcp / HOST / PORT

    Isibonelo: http://www.sysadmit.com/2016/03/linux-cat-y-proc-prueba-de-conexion.html

  11.   I-Cuetox kusho

    Ngiyabonga, incazelo enhle kakhulu