ComputersSoftware

Nhandare Kuverenga: Basa uye Kudzivirirwa Kurwisa Izvo

Network scanning ndechimwe chezvinhu zvakakurumbira zvinoshandiswa nehurongwa hwevatongi. Hazvina kunyanya kune vakadaro IT-nyanzvi avo vasina kumboita mubasa havana kushandisa murairo ping, mune iyi kana kuti iyo yakabatanidzwa mukugadzirisa kwepi zvayo yekushanda system. Zvakakosha kuongorora nyaya iyi muchidimbu.

Chinangwa chekuongorora

Ikozvino, kutengesa mitambo isiri yakasimba zvikuru inoshandiswa nguva dzose kuti igadzire zvose maitirwe nemichina yekushandisa. Paunotsvaka node dzisina kukodzera, basa iri rinoitwawo. Nenzira, kunze kwekushandisa nekuda kwebasa rekushanda, kushandiswa kwekutengesa kunofanirwawo chigadzirwa chekuda chero chepiki. Zvose zvinoshandiswa zvakakurumbira zvekugadzira mitambo zvakasikwa nevanyanzvi veseki. Nekubatsira kwavo, inova inogoneka kuongorora iyo mitambo uye kuunganidza mashoko ose anodiwa pamusoro pemakombiyuta akabatanidzwa naro. Saka iwe unogona kuziva kuti ndeapi maumbirwo ekugadzirwa kwezvinhu, chii chigadzirwa chinoshandiswa, zvipi zviteshi zvinoshandiswa pamakombiyuta. Izvi zvose zvinonyanya kukosha ruzivo rwekunyengedza. Sezvo zvishandiso zvinoshandiswa nevashambadzi, vanozvishandisawo kuti vawane zvose zvisingakwanisi zvehutano hwepamba pavanenge vachigadzira.

Muzvizhinji, mapurogiramu anogona kugoverwa kuva maviri. Vamwe vanoita IP kero yekutsvaga pamusangano wekunzvimbo, asi vamwe vanoongorora ports. Ichi chikamu chinogona kunzi chikonzero, sezvo zvizhinji zvezvinhu zvinobatana zvinosanganisira zvose zvese.

IP address scanning

Pane kazhinji kakawanda kemichina pane Windows network. Iyo nzira yekusimbisa ma IP aderesi iri kutumira ICMP pakiti uye kumirira mhinduro. Kana yakadaro yakagamuchirwa, iyo kombiyuta ikozvino yakabatana kunetaneti pane ino kero.

Paunofunga nezvekodzero yeCIPP protocol, inofanira kuonekwa kuti kuongorora mambure inoshandisa ping nezvimwe zvinobatsira zvinongova chidimbu chechando. Paunopatsanura mapepaji, unogona kuwana ruzivo rwakakosha kupfuura ruzivo rwekubatanidza node kune network pane imwe kero.

Nzira yekudzivirira sei pikisheni yekutengesa IP?

Zvingaita here kudzivirirwa pane izvi? Hongu, iwe unongoda kubvisa mhinduro kune zvikumbiro zve ICMP. Iyi nzira inoshandiswa nevatungamiri avo vane hanya nezvehutano hwekuchengetedza. Kukosha kwakakosha ndiko kukwanisa kudzivirira mitambo. Nokuda kwechikonzero ichi, kuchinjana kwedheta kuburikidza neCIMP protocol kunorambidzwa. Pasinei nekukwanisa kwayo mukuongorora matambudziko emagetsi, zvinogonawo kuumba matambudziko aya. Nekusabvumirwa kusingabvumirwi, vanotya vanowana mukana wokurwisa.

Port scan

Mumamiriro ezvinhu apo kushandiswa kwepakiti yeImpmP yakavharwa, nzira yekutsvaga kwekutsva inoshandiswa. Mushure mokuongorora zviyero zvepamusoro zvekero imwe neimwe inogona kuwanikwa, unogona kuona kuti ndeipi iyo nodhi dzakabatana neukanda. Mukana wokuzarura chikwangwani kana nzvimbo yacho mumamiriro ekuchengetedza, unogona kunzwisisa kuti kune kombiyuta iri kero yakabatanidzwa kune network.

Iko kuonekwa kwee network network kunonzi TCP-kuteerera.

Nzira yekudzivirirwa kubva pakuteerera kwezvikepe?

Hazvigoneki kuti zvinogona kudzivirira mumwe munhu kubva kuedza kuongorora ports pamakombiyuta. Asi zvinokwanisika kugadzirisa chokwadi chekuteerera, mushure mokunge migumisiro yakaipa inogoneka inogona kuderedzwa. Kuti uite izvi, unofanirwa kugadzirisa moto wemoto, uyewo kudzivisa maitiro asina kushandiswa. Chii chinonzi kushandiswa kwebasa rekushandura moto? Mukuvhara ports dzose dzisina kushandiswa. Mukuwedzera, zvose software uye hardware firewalls zvine basa kutsigira nzira yekuona yekuedza kuongorora ports. Izvi zvinogona kunge zvisina kuregererwa.

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