lungisa i-firewall ngendlela yokuthi izohlangabezana nesistimu nezidingo zabasebenzisi kukho kokubili ukuxhumana okungenayo nokuphumayo, ngaphandle kokushiya isistimu isengozini yokuhlaselwa.
Kulapho i-iptables isiza khona. I-Iptables iyi-firewall yomugqa womyalo we-Linux evumela abaphathi besistimu ukuthi baphathe ithrafikhi engenayo nephumayo ngeset
Funda kabanzi →I-Firewall iyisofthiwe esebenza njengesivikelo phakathi kwesistimu yomsebenzisi nenethiwekhi yangaphandle evumela amaphakethe athile ukuthi adlule ngenkathi ilahla amanye. I-Firewall ivamise ukusebenza kusendlalelo senethiwekhi i.e. kumaphakethe we-IP womabili i-Ipv4 ne-Ipv6.
Ukuthi iphakethe lizodlula noma lizobhodwa, kuncike emithethweni emelene nohlobo olunjalo lwamaphakethe ku-firewall. Le mithetho ingakhelwa ngaphakathi noma echazwe ngabasebenzisi. Iphakethe ngalinye elingena kunethiwekhi kufanele lidlule kulesi sihlangu esiliqinisekisa ngokumelene nemithetho echazwe kulo yalolu
Funda kabanzi →U-Nishita Agarwal, Isivakashi se-Tecmint esivame ukuxoxa nathi ngesipiliyoni sakhe (Umbuzo Nempendulo) mayelana nenhlolokhono ayesanda kuyinikeza enkampanini ephethwe ezimele e-Pune, e-India. Wabuzwa imibuzo eminingi ngezihloko ezihlukahlukene nokho unguchwepheshe kuma-iptables futhi wayefuna ukwabelana ngaleyo mibuzo kanye nempendulo yayo (ayinikeze) ehlobene nama-iptables kwabanye okungenzeka bazokwenza inhlolokhono esikhathini esizayo esiseduze.
Yonke imibuzo nezimpendulo zayo kubhalwa kabusha ngokusekelwe kwinkumbulo kaNishita Agarwal.
\Sawubona Bangane! Igama lami ngingu-Ni
Funda kabanzi →Ngamagama alula, i-firewall iwuhlelo lokuvikela olulawula ithrafikhi engenayo nephumayo kunethiwekhi ngokususelwe kusethi yemithetho echazwe ngaphambilini (njengephakethe lendawo/umthombo noma uhlobo lwethrafikhi, isibonelo).
Kulesi sihloko sizobuyekeza izisekelo ze-firewalld, i-daemon ye-firewall ezenzakalelay
Funda kabanzi →Sethula Uhlelo Lwezitifiketi ze-Linux Foundation
Uzokhumbula kusukela kuNgxenye 1 - Mayelana nama-Iptable alolu chungechunge lwe-LFCE (Linux Foundation Certified Engineer) esinikeze incazelo eyisisekelo yokuthi iyini i-firewall: indlela yokuphatha. amaphakethe angena futhi aphuma kunethiwekhi. Ngokuthi \phatha siqonde ukuthi:
Uma ufuna i-Linux Firewall enhle enamandla futhi kulula ukuyisebenzisa kufanele uzame i-Firestarter. Iza nomsebenzisi obonakalayo omuhle kakhulu futhi ungayisetha ngokushesha okukhulu.
I-Firestarter iwumthombo ovulekile okulula ukuwusebenzisa uhlelo lokusebenza lwe-firewall oluhlose ukuhlanganisa kalula ukusetshenziswa nezici ezihlaba umxhwele, yingakho isebenzela bobabili abasebenzisi bedeskithophu nabaphathi bohlelo.
I-Firestarter firewall ingasetshenziswa kumakhompyutha aphathekayo, amadeskithophu namaseva ukuvimba ukuhlasela okuthile okuyingozi.
Funda kabanzi →Uma usebenzisa i-Computer okwesikhashana, kufanele ujwayelene negama elithi \Firewall.Siyazi ukuthi izinto zibukeka ziyinkimbinkimbi kodwa ngalesi sifundo, sizochaza isisekelo se-IPTable kanye nokusetshenziswa kwemiyalelo eyisisekelo. ukuze noma ungumfundi wenethiwekhi noma ufuna ukujula kumanethiwekhi, uzuze kulo mhlahlandlela.
Indlela i-Firewall esebenza ngayo ilula kakhulu. Idala umgoqo phakathi kwamanethiwekhi athembekile nangathenjwa ukuze isistimu yakho iphephe kumaphakethe anonya.
Kodwa sizokunquma kanjani ukuthi yini ephephile nokuthi yini engekho? Ngokuzenzakalelayo, ut
Funda kabanzi →Uma usebenzisa i-Computer okwesikhashana, kufanele ujwayelene negama elithi \Firewall.Siyazi ukuthi izinto zibukeka ziyinkimbinkimbi kodwa ngalesi sifundo, sizochaza isisekelo se-IPTable kanye nokusetshenziswa kwemiyalelo eyisisekelo. ukuze noma ungumfundi wenethiwekhi noma ufuna ukujula kumanethiwekhi, uzuze kulo mhlahlandlela.
Indlela i-Firewall esebenza ngayo ilula kakhulu. Idala umgoqo phakathi kwamanethiwekhi athembekile nangathenjwa ukuze isistimu yakho iphephe kumaphakethe anonya.
Kodwa sizonquma kanjani ukuthi yini ephephile futhi yini engekho? Ngokuzenzakalelayo, uthola
Funda kabanzi →