A security group is a collection of access control rules for cloud servers. It acts as a logically-based distributed firewall that controls inbound and outbound traffic at the instance level. Rule-based control of protocols, ports, and source addresses Stateful inspection for trusted return traffic Multiple groups per server for layered policies Group-level rules that scale with your fleet{"id":2318,"date":"2026-10-26T01:18:31","date_gmt":"2026-10-25T19:18:31","guid":{"rendered":"https:\/\/ndc.bcc.gov.bd\/?page_id=2318"},"modified":"2026-10-26T01:28:50","modified_gmt":"2026-10-25T19:28:50","slug":"security-group","status":"publish","type":"page","link":"https:\/\/ndc.bcc.gov.bd\/?page_id=2318","title":{"rendered":"Security Group"},"content":{"rendered":"<p>A security group is a collection of access control rules for cloud servers. It acts as a logically-based distributed firewall that controls inbound and outbound traffic at the instance level.<\/p>\n<ul>\n<li>Rule-based control of protocols, ports, and source addresses<\/li>\n<li>Stateful inspection for trusted return traffic<\/li>\n<li>Multiple groups per server for layered policies<\/li>\n<li>Group-level rules that scale with your fleet<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":null,"protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2318","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=\/wp\/v2\/pages\/2318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2318"}],"version-history":[{"count":2,"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=\/wp\/v2\/pages\/2318\/revisions"}],"predecessor-version":[{"id":2361,"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=\/wp\/v2\/pages\/2318\/revisions\/2361"}],"wp:attachment":[{"href":"https:\/\/ndc.bcc.gov.bd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}