{"id":147590,"date":"2025-11-07T11:11:55","date_gmt":"2025-11-07T09:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-mezhsetevogo-ekrana-firewalld-2-4-0"},"modified":"2025-11-07T11:11:55","modified_gmt":"2025-11-07T09:11:55","slug":"vypusk-mezhsetevogo-ekrana-firewalld-2-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-mezhsetevogo-ekrana-firewalld-2-4-0","title":{"rendered":"A firewalld 2.4.0 t\u0171zfal kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A 2.4.0 release of the dynamically managed firewall firewalld has been created, implemented as a wrapper over the packet filters nftables and iptables. Firewalld runs as a background process that allows dynamic changes to the packet filter rules via D-Bus, without needing to reload the packet filter rules and without interrupting established connections. The project is already used in many Linux distributions, including RHEL 7+, Fedora 18+, and SUSE\/openSUSE 15+. The firewalld code is written in Python and is distributed under the GPLv2 license.    <\/p>\n<p>A t\u0171zfal kezel\u00e9s\u00e9re a firewall-cmd seg\u00e9deszk\u00f6z haszn\u00e1latos, amely a szab\u00e1lyok megalkot\u00e1sakor nem a h\u00e1l\u00f3zati interf\u00e9szekre \u00e9s portsz\u00e1mokra, hanem a szolg\u00e1ltat\u00e1sok neveire t\u00e1maszkodik (p\u00e9ld\u00e1ul az SSH hozz\u00e1f\u00e9r\u00e9s\u00e9nek megnyit\u00e1s\u00e1hoz a \u00abfirewall-cmd \u2014add \u2014service=ssh\u00bb parancsot kell v\u00e9grehajtani, az SSH lez\u00e1r\u00e1s\u00e1hoz pedig a \u00abfirewall-cmd \u2014remove \u2014service=ssh\u00bb parancsot). A t\u0171zfal konfigur\u00e1ci\u00f3j\u00e1nak m\u00f3dos\u00edt\u00e1s\u00e1ra a firewall-config grafikus fel\u00fclet (GTK) \u00e9s a firewall-applet (Qt) is haszn\u00e1lhat\u00f3. A firewalld D-BUS API-n kereszt\u00fcli t\u0171zfalkezel\u00e9s t\u00e1mogat\u00e1sa sz\u00e1mos projektben megtal\u00e1lhat\u00f3, p\u00e9ld\u00e1ul a NetworkManager, libvirt, podman, docker \u00e9s fail2ban eset\u00e9ben. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/lir\/ipv4\/\"   title=\"IP-c\u00edmek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"884\">IP-c\u00edmek<\/a>, h\u00e1l\u00f3zati interf\u00e9szek \u00e9s portsz\u00e1mok, valamint a szolg\u00e1ltat\u00e1sok nevei (p\u00e9ld\u00e1ul SSH hozz\u00e1f\u00e9r\u00e9s enged\u00e9lyez\u00e9s\u00e9hez futtassa a &#171;firewall-cmd &#8212;add &#8212;service=ssh&#187; parancsot, SSH letilt\u00e1s\u00e1hoz pedig a &#171;firewall-cmd &#8212;remove &#8212;service=ssh&#187; parancsot). A t\u0171zfal konfigur\u00e1ci\u00f3j\u00e1nak m\u00f3dos\u00edt\u00e1s\u00e1hoz a firewall-config (GTK) grafikus fel\u00fclet \u00e9s a firewall-applet (Qt) alkalmaz\u00e1s is haszn\u00e1lhat\u00f3. A firewalld t\u0171zfal kezel\u00e9s\u00e9nek t\u00e1mogat\u00e1sa el\u00e9rhet\u0151 olyan projektekben, mint a NetworkManager, libvirt, podman, docker \u00e9s fail2ban.    <\/p>\n<p>Kulcsfontoss\u00e1g\u00fa v\u00e1ltoz\u00e1sok:   <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva a \u201egateway\u201d szab\u00e1lyok k\u00e9szlete, amely a tipikus otthoni router funkcionalit\u00e1s\u00e1t fedi le (tartalmaz NAT-ot, conntrack kezel\u0151ket \u00e9s forgalomir\u00e1ny\u00edt\u00e1st a z\u00f3n\u00e1k k\u00f6z\u00f6tt). P\u00e9lda a gateway be\u00e1ll\u00edt\u00e1s\u00e1ra bels\u0151 \u00e9s k\u00fcls\u0151 h\u00e1l\u00f3zati interf\u00e9szekkel a \u201egateway\u201d szab\u00e1lyok k\u00e9szlet\u00e9vel:        firewall-cmd --permanent --zone internal --add-interface eth0     firewall-cmd --permanent --zone external --add-interface eth1     firewall-cmd --permanent --policy-set gateway --remove-disable     firewall-cmd --reload\n<li class=\"l\"> Megval\u00f3s\u00edtva a \u201edisable\u201d jelz\u0151, amely XML-be\u00e1ll\u00edt\u00e1sokban, parancssori seg\u00e9dprogramban vagy DBus-on kereszt\u00fcl haszn\u00e1lhat\u00f3 egyes szab\u00e1lyok \u00e9s szab\u00e1lyk\u00e9szletek (policy set) letilt\u00e1s\u00e1hoz.\n<li class=\"l\"> The maximum length of rule names has been increased from 17 to 128 characters.\n<li class=\"l\"> The gitea service has been added for the namesake collaborative development platform (TCP port 3000).\n<li class=\"l\"> The syslog-ng service has been added for the namesake logging system (ports 514, 601, and 6514).\n<li class=\"l\"> A proxy-http service has been added for HTTP\/HTTPS proxy, such as Squid (TCP port 3128).\n<li class=\"l\"> A socks service has been added for proxy-<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerverek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1793\">szerverek<\/a> implementing the SOCKS protocol (TCP port 1080).    <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64197\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0430 firewalld 2.4.0, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432 \u0444\u043e\u0440\u043c\u0435 \u043e\u0431\u0432\u044f\u0437\u043a\u0438 \u043d\u0430\u0434 \u043f\u0430\u043a\u0435\u0442\u043d\u044b\u043c\u0438 \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u043c\u0438 nftables \u0438 iptables. Firewalld \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0441\u044f \u0432 \u0432\u0438\u0434\u0435 \u0444\u043e\u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u0438\u0437\u043c\u0435\u043d\u044f\u0442\u044c \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 D-Bus, \u0431\u0435\u0437 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043f\u0440\u0430\u0432\u0438\u043b \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u0438 \u0431\u0435\u0437 \u0440\u0430\u0437\u0440\u044b\u0432\u0430 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439. \u041f\u0440\u043e\u0435\u043a\u0442 \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432\u043e \u043c\u043d\u043e\u0433\u0438\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 Linux, \u0432\u043a\u043b\u044e\u0447\u0430\u044f RHEL 7+, Fedora 18+ [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-147590","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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