{"id":910,"date":"2021-04-22T12:29:10","date_gmt":"2021-04-22T12:29:10","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&#038;p=910"},"modified":"2021-06-24T10:56:51","modified_gmt":"2021-06-24T08:56:51","slug":"firewall-pravidla-ve-vdc","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/firewall-pravidla-ve-vdc\/","title":{"rendered":"Firewall pravidla ve VDC"},"content":{"rendered":"\n<p>Na nastavov\u00e1n\u00ed bezpe\u010dnostn\u00edch s\u00ed\u0165ov\u00fdch pravidel slou\u017e\u00ed ve Virtu\u00e1ln\u00edm datov\u00e9m centru (VDC) <strong>Security groups<\/strong> (Firewall pravidla), kter\u00e1 jsou p\u0159i\u0159azen\u00e1 k instanci.\u00a0<strong>Jedna instance m\u016f\u017ee m\u00edt p\u0159i\u0159azen\u00e9 jen jedny Firewall pravidla<\/strong>, ale ty sam\u00e9 je mo\u017en\u00e9 p\u0159i\u0159adit r\u016fzn\u00fdm instanc\u00edm. Zm\u011bna v n\u00ed se projev\u00ed p\u0159i v\u0161ech instanc\u00edch, kter\u00e9 je pou\u017e\u00edvaj\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.websupport.sk\/support\/app\/uploads\/2019\/09\/vdc_12-783x344.png\" alt=\"\" class=\"wp-image-10971\"\/><\/figure>\n\n\n\n<p>M\u016f\u017eete si tak vytvo\u0159it Firewall pravidla nap\u0159\u00edklad pro aplika\u010dn\u00ed servery, datab\u00e1zov\u00e9 a pod..<\/p>\n\n\n\n<p>Ka\u017ed\u00e9 VDC m\u00e1 vytvo\u0159en\u00e1 z\u00e1kladn\u00ed Firewall pravidla s n\u00e1zvem\u00a0<code>default<\/code>. Firewall pravidla se spravuj\u00ed v \u010d\u00e1sti\u00a0<strong>Project > Network > Security groups<\/strong>. Konkr\u00e9tn\u011b pravidla (rules) kliknut\u00edm na\u00a0<strong>Manage Rules<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.websupport.sk\/support\/app\/uploads\/2019\/09\/vdc_11-783x302.png\" alt=\"\" class=\"wp-image-10974\"\/><\/figure>\n\n\n\n<p>V p\u0159\u00edpad\u011b, \u017ee chcete p\u0159idat nap\u0159\u00edklad p\u0159\u00edstup na port 22 pro\u00a0<code>SSH<\/code>, tak vyberte mo\u017enost\u00a0<strong>Add rule<\/strong>\u00a0z horn\u00edho menu a parametry nastavte n\u00e1sledovn\u011b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Rule: SSH\nRemote: CIDR\nCIDR: 0.0.0.0\/0\n<\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.websupport.sk\/support\/app\/uploads\/2019\/09\/vdc_13-783x779.jpg\" alt=\"\" class=\"wp-image-10977\"\/><\/figure>\n\n\n\n<p>Dal\u0161\u00edm p\u0159\u00edkladem m\u016f\u017ee b\u00fdt povolen\u00ed\u00a0<code>ICMP<\/code>\u00a0(ping) na instanci, pro ni je pot\u0159eba nastavit tyto parametry:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Rule: All ICMP\nDirection: Ingress\nRemote: CIDR\nCIDR: 0.0.0.0\/0\n<\/pre>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-info\">P\u0159i konfiguraci Firewall pravidel si po\u010d\u00ednejte maxim\u00e1ln\u011b opatrn\u011b, proto\u017ee je mo\u017en\u00e9 \u00fapln\u011b zru\u0161it komunikaci a p\u0159\u00edstup na server. Doporu\u010dujeme vytvo\u0159it vlastn\u00ed skupinu pravidel a tu aplikovat na instance. V p\u0159\u00edpad\u011b probl\u00e9mu je mo\u017en\u00e9 se vr\u00e1tit k\u00a0<code>default<\/code>\u00a0skupin\u011b.<\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-danger\">P\u0159i re-konfiguraci Firewall pravidel se zru\u0161\u00ed v\u0161echny p\u0159ipojen\u00ed a nanovo se nastav\u00ed pravidla. Slu\u017eby, kter\u00e9 neum\u00ed po v\u00fdpadku konektivity op\u011bt nav\u00e1zat s\u00ed\u0165ov\u00e9 spojen\u00ed, je nutn\u00e9 restartovat manu\u00e1ln\u011b z instance (VM).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na nastavov\u00e1n\u00ed bezpe\u010dnostn\u00edch s\u00ed\u0165ov\u00fdch pravidel slou\u017e\u00ed ve Virtu\u00e1ln\u00edm datov\u00e9m centru (VDC) Security groups (Firewall pravidla), kter\u00e1 jsou p\u0159i\u0159azen\u00e1 k instanci.\u00a0Jedna instance m\u016f\u017ee m\u00edt p\u0159i\u0159azen\u00e9 jen jedny Firewall pravidla, ale ty sam\u00e9 je mo\u017en\u00e9 p\u0159i\u0159adit r\u016fzn\u00fdm instanc\u00edm. Zm\u011bna v n\u00ed se projev\u00ed p\u0159i v\u0161ech instanc\u00edch, kter\u00e9 je pou\u017e\u00edvaj\u00ed. M\u016f\u017eete si tak&#8230;<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[117],"ht-kb-tag":[],"class_list":["post-910","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-vdc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Firewall pravidla ve VDC - Websupport Centrum n\u00e1pov\u011bdy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.cz\/podpora\/kb\/firewall-pravidla-ve-vdc\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Firewall pravidla ve VDC - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"Na nastavov\u00e1n\u00ed bezpe\u010dnostn\u00edch s\u00ed\u0165ov\u00fdch pravidel slou\u017e\u00ed ve Virtu\u00e1ln\u00edm datov\u00e9m centru (VDC) Security groups (Firewall pravidla), kter\u00e1 jsou p\u0159i\u0159azen\u00e1 k instanci.\u00a0Jedna instance m\u016f\u017ee m\u00edt p\u0159i\u0159azen\u00e9 jen jedny Firewall pravidla, ale ty sam\u00e9 je mo\u017en\u00e9 p\u0159i\u0159adit r\u016fzn\u00fdm instanc\u00edm. 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