{"id":1690,"date":"2019-12-05T17:40:25","date_gmt":"2019-12-05T15:40:25","guid":{"rendered":"https:\/\/www.nav.ro\/blog\/?p=1690"},"modified":"2019-12-05T17:44:43","modified_gmt":"2019-12-05T15:44:43","slug":"cum-sa-opriti-si-sa-dezactivati-firewallul-in-centos-8","status":"publish","type":"post","link":"https:\/\/www.nav.ro\/blog\/cum-sa-opriti-si-sa-dezactivati-firewallul-in-centos-8\/","title":{"rendered":"Cum s\u0103 opri\u021bi \u0219i s\u0103 dezactiva\u021bi firewallul \u00een CentOS 8"},"content":{"rendered":"\n<p>Un firewall este o caracteristic\u0103 de securitate care filtreaz\u0103 traficul de intrare \u0219i de ie\u0219ire \u0219i \u021bine departe aplica\u021bii poten\u021bial d\u0103un\u0103toare. \u00cen plus, un firewall ofer\u0103 administratorului de sistem autoritatea de a determina ce servicii \u0219i porturi s\u0103 permit\u0103 \u0219i pe care s\u0103 le blocheze sau s\u0103 nu le accepte. \u00cen acest tutorial, ve\u021bi afla cum s\u0103 opri\u021bi \u0219i s\u0103 dezactiva\u021bi firewallul \u00een CentOS 8.<\/p>\n\n\n\n<p>\u00cen Linux, exist\u0103 multe sisteme de firewall. Cele mai utilizate firewall-uri sunt \u201eFirewalld\u201d \u0219i \u201eIptables\u201d. Firewalld este un serviciu de management dinamic, front-end, pus la dispozi\u021bie \u00een mod implicit at\u00e2t pe serverele CentOS c\u00e2t \u0219i pe Fedora. Firewalld este un serviciu de gestionare a firewallului puternic \u0219i a \u00eenlocuit de ceva vreme Iptables. Acesta gestioneaz\u0103 at\u00e2t traficul IPv4, c\u00e2t \u0219i IPv6.<\/p>\n\n\n\n<p>S\u0103 vedem cum putem opri \u0219i dezactiva firewallul pe CentOS 8.<\/p>\n\n\n\n<p>Cum s\u0103 oprim \u0219i s\u0103 dezactiv\u0103m Firewalld<\/p>\n\n\n\n<p>De obicei nu este o idee bun\u0103 s\u0103 ave\u021bi firewallul oprit sau dezactivat. Cu toate acestea, este posibil ca unele aplica\u021bii s\u0103 nu func\u021bioneze a\u0219a cum inten\u021bionati cu firewallul activ \u0219i acest lucru v\u0103 poate for\u021ba s\u0103 \u00eel opri\u021bi sau s\u0103 \u00eel dezactiva\u021bi temporar.<\/p>\n\n\n\n<p>Pentru utilizatorii care folosesc CentOS 8 \/ RHEL 8, Fedora 20 \u0219i versiunile ulterioare, urma\u021bi pa\u0219ii de mai jos pentru a opri \u0219i dezactiva Firewalld.<\/p>\n\n\n\n<p>Cum se verific\u0103 starea Firewalld<\/p>\n\n\n\n<p>Conecta\u021bi-v\u0103 la serverul dvs. prin intermediul aplica\u021biei SSH \u0219i rula\u021bi comanda de mai jos pentru a verifica starea firewallului.<\/p>\n\n\n\n<p>#systemctl status firewalld<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"212\" src=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.17.28.png\" alt=\"\" class=\"wp-image-1691\" srcset=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.17.28.png 764w, https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.17.28-300x83.png 300w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Din rezultatul de mai sus, este evident c\u0103 Firewalld este \u00een func\u021biune. S\u0103 vedem acum cum putem opri firewallul.<\/p>\n\n\n\n<p>Cum s\u0103 opri\u021bi Firewalld<\/p>\n\n\n\n<p>Pentru a opri firewallul, este necesar s\u0103 rula\u021bi comanda de mai jos:<\/p>\n\n\n\n<p>#systemctl stop firewalld<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"536\" height=\"62\" src=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.19.36.png\" alt=\"\" class=\"wp-image-1692\" srcset=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.19.36.png 536w, https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.19.36-300x35.png 300w\" sizes=\"auto, (max-width: 536px) 85vw, 536px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Cum dezactiva\u021bi Firewalld<\/p>\n\n\n\n<p>\u00cen cele din urm\u0103, pentru a dezactiva firewall-ul \u00een a\u0219a fel \u00eenc\u00e2t acesta s\u0103 nu mai ruleze \u00een momentul \u00een care porni\u021bi sau reseta\u021bi sistemul, executa\u021bi comanda:<\/p>\n\n\n\n<p>#systemctl disable firewalld<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"95\" src=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.22.22.png\" alt=\"\" class=\"wp-image-1693\" srcset=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.22.22.png 611w, https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.22.22-300x47.png 300w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Dup\u0103 dezactivarea firewall-ului, trebuie s\u0103 verific\u0103m dac\u0103 acesta este \u00eentr-adev\u0103r oprit. Din nou, pentru a verifica starea firewalld, rula\u021bi comanda:<\/p>\n\n\n\n<p>#systemctl status firewalld<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"784\" height=\"121\" src=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.24.28.png\" alt=\"\" class=\"wp-image-1694\" srcset=\"https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.24.28.png 784w, https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.24.28-300x46.png 300w, https:\/\/www.nav.ro\/blog\/wp-content\/uploads\/2019\/12\/Screenshot-2019-12-05-at-17.24.28-768x119.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Acum \u0219tim sigur c\u0103 firewallul a fost oprit \u0219i dezactivat.<\/p>\n\n\n\n<p>Concluzie<\/p>\n\n\n\n<p>Este \u00eentotdeauna recomandat s\u0103 ave\u021bi firewallul activ \u00een permanen\u021b\u0103 pentru a men\u021bine serviciile \u0219i traficul nedorite la distan\u021b\u0103. \u00cen acest fel, v\u0103 ve\u021bi proteja sistemul de posibile amenin\u021b\u0103ri \u0219i atacuri. Aminti\u021bi-v\u0103 \u00eentotdeauna s\u0103 porni\u021bi Firewall-ul dup\u0103 ce \u00eel dezactiva\u021bi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un firewall este o caracteristic\u0103 de securitate care filtreaz\u0103 traficul de intrare \u0219i de ie\u0219ire \u0219i \u021bine departe aplica\u021bii poten\u021bial d\u0103un\u0103toare. \u00cen plus, un firewall ofer\u0103 administratorului de sistem autoritatea de a determina ce servicii \u0219i porturi s\u0103 permit\u0103 \u0219i pe care s\u0103 le blocheze sau s\u0103 nu le accepte. \u00cen acest tutorial, ve\u021bi afla<\/p>\n","protected":false},"author":1,"featured_media":1695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[163,176,7],"class_list":["post-1690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","tag-firewall","tag-linux","tag-vps"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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