{"id":9223,"date":"2022-07-04T15:32:08","date_gmt":"2022-07-04T13:32:08","guid":{"rendered":"https:\/\/dhosting.pl\/pomoc\/?post_type=manual_kb&#038;p=9223"},"modified":"2023-05-18T15:54:06","modified_gmt":"2023-05-18T13:54:06","slug":"jak-dziala-firewall","status":"publish","type":"manual_kb","link":"https:\/\/dhosting.pl\/pomoc\/baza-wiedzy\/jak-dziala-firewall\/","title":{"rendered":"Jak dzia\u0142a firewall?"},"content":{"rendered":"<p><em><strong>Firewall<\/strong><\/em> utrzymuje zestaw regu\u0142, kt\u00f3re s\u0105 stosowane zar\u00f3wno do ruchu przychodz\u0105cego, jak i wychodz\u0105cego. Dopasowuje ruch do tych regu\u0142, a je\u015bli regu\u0142y s\u0105 dopasowane, inicjuje dost\u0119p.<\/p>\n<p>Dla ruchu wychodz\u0105cego pochodz\u0105cego z serwera, firewall przepuszcza go w wi\u0119kszo\u015bci przypadk\u00f3w (konfigurowalne). Jednak w przypadku ruchu przychodz\u0105cego pochodz\u0105cego z g\u0142\u00f3wnych protoko\u0142\u00f3w, takich jak <em><strong>TCP<\/strong><\/em>, <em><strong>ICMP<\/strong><\/em> czy <em><strong>UDP<\/strong><\/em>, <em><strong>firewall<\/strong><\/em> \u015bci\u015ble je monitoruje.<\/p>\n<p>Firewall kontroluje ruch przychodz\u0105cy na podstawie jego:<\/p>\n<ul>\n<li>\u0179r\u00f3d\u0142a<\/li>\n<li>Zawarto\u015bci<\/li>\n<li>Miejsce docelowego<\/li>\n<li>Portu<\/li>\n<\/ul>\n<p><em><strong>Firewall<\/strong><\/em> u\u017cywa tych danych, aby zdecydowa\u0107, czy ruch jest zgodny z ustalonymi zasadami. Je\u015bli tak, to zezwala, w przeciwnym razie ruch zostaje zablokowany przez firewall.<\/p>\n","protected":false},"author":6,"featured_media":10957,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[95,2143],"manual_kb_tag":[2642,256,655,2641,3517,3516],"class_list":["post-9223","manual_kb","type-manual_kb","status-publish","format-standard","has-post-thumbnail","hentry","manualknowledgebasecat-hosting","manualknowledgebasecat-inne-hosting","manual_kb_tag-dzialanie-firewalla","manual_kb_tag-firewall","manual_kb_tag-hosting","manual_kb_tag-jak-dziala-firewall","manual_kb_tag-polski-hosting","manual_kb_tag-web-hosting"],"_links":{"self":[{"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/manual_kb\/9223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":0,"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/manual_kb\/9223\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/media\/10957"}],"wp:attachment":[{"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/media?parent=9223"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/manualknowledgebasecat?post=9223"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/dhosting.pl\/pomoc\/wp-json\/wp\/v2\/manual_kb_tag?post=9223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}