Umbuzo: Iyini i-Firewalld ku-Linux?

I-firewalld iyithuluzi lokulawula i-firewall lezinhlelo zokusebenza ze-Linux. Ihlinzeka ngezici ze-firewall ngokusebenza njengesiphetho esingaphambili sohlaka lwesihlungi se-Linux kernel.

Isetshenziselwa ini i-firewall?

Emgogodleni wayo, i-firewalld iyi-firewall esekwe endaweni. Zone-based firewalls kukhona amasistimu okuphepha enethiwekhi aqapha ithrafikhi futhi athathe izinyathelo ngokusekelwe kusethi yemithetho echaziwe esetshenziswa ngokumelene namaphakethe angenayo/aphumayo..

Uyini umehluko phakathi kwe-iptables ne-firewalld?

Uyini umehluko oyisisekelo phakathi kwe-iptables ne-firewalld? Impendulo: iptables futhi i-firewalld isebenzisa inhloso efanayo (Ukuhlunga Kwephakethe) kodwa ngendlela ehlukile. … I-Firewalld isebenzisa ama-iptables ngaphansi kwehood yayo kanye nesixhumi esibonakalayo somugqa womyalo kanye nefayela lokumisa elisekelwe ku-XML futhi elishiwo ngenhla.

Ngiyisebenzisa kanjani i-firewalld ku-Linux?

Uyilungisa kanjani i-FirewallD ku-RHEL, i-CentOS ne-Fedora

  1. Isinyathelo 1: Ukufaka i-Firewalld ku-CentOS. …
  2. Isinyathelo sesi-2: Ukuxoxisana ngezingxenye ze-Firewalld. …
  3. Isinyathelo sesi-3: Ukusetha Indawo ezenzakalelayo ye-Firewalld. …
  4. Isinyathelo sesi-4: Ukudala Izinsizakalo Zakho ku-Firewalld. …
  5. Isinyathelo sesi-5: Ukwabela Amasevisi Ezindaweni Ze-Firewalld. …
  6. Isinyathelo sesi-6: Ukungeza Izinsizakalo Ezindaweni Zomlilo.

Ngiyifaka kanjani i-firewalld?

Ukuqalisa

  1. Nika amandla i-Firewalld ukuze iqale ekuqaleni: i-sudo systemctl vumela i-firewalld.
  2. Qinisekisa ukuthi i-Firewalld iyasebenza: sudo firewall-cmd -state.
  3. Uma i-UFW ifakiwe, ikhubaze ukuze wenze i-Firewalld i-firewall yakho eyinhloko: ...
  4. Vula isevisi ye-https: ...
  5. Layisha kabusha i-Firewalld ukuze usebenzise izinguquko zakho: ...
  6. Qinisekisa ukuthi izinguquko zakho zisetshenzisiwe:

Isiphi isendlalelo se-iptables?

iptables isebenza ku- ungqimba 3 lwe Isitaki se-OSI sibizwa nangokuthi isendlalelo senethiwekhi. Ama-iptable angakwazi futhi ukwenza Ukuhumusha Kwekheli Lenethiwekhi noma i-NAT. I-iptables isebenza ngokususelwe kumathebula angu-4 azenzakalelayo, ithebula lesihlungi, ithebula le-NAT, ithebula le-mangle kanye netafula elingavuthiwe.

Iyini isistimu yefayela ye-firewall?

Isevisi ye-Firewall isethi yezilungiselelo ezichazwe ngaphambilini ze-firewall zesevisi yesistimu ethile noma uhlelo, njengesibonelo ssh noma httpd . … Uhlu lwemibhalo kanye nama-macro ayingxenye yephakheji ye-firewalld-filesystem.

Ngazi kanjani uma i-firewall iyasebenza?

Ungasibheka Kanjani Isimo Se-firewalld

  1. Iyasebenza: iyasebenza (iyasebenza) Uma okukhiphayo kufunda Iyasebenza: iyasebenza (iyasebenza) , i-firewall iyasebenza. …
  2. Iyasebenza: ayisebenzi (ifile) ...
  3. Kulayishiwe: kufihliwe (/dev/null; kubi) ...
  4. Qinisekisa I-Active Firewall Zone. …
  5. Imithetho Yendawo Ye-Firewall. …
  6. Ungayishintsha Kanjani Indawo Yesixhumi Esibonakalayo. …
  7. Shintsha Indawo ye-firewall ezenzakalelayo.

Ngiyengeza kanjani imbobo ku-firewall?

Vula noma vala izimbobo zeseva

  1. Ngena ngemvume kukhonsoli yeseva.
  2. Yenza umyalo olandelayo, esikhundleni sesimeli se-PORT nenombolo yembobo ezovulwa: I-Debian: sudo ufw allow PORT. I-CentOS: sudo firewall-cmd -zone=public -permanent -add-port=PORT/tcp sudo firewall-cmd -reload.
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