{"id":20167,"date":"2023-10-25T23:33:59","date_gmt":"2023-10-25T15:33:59","guid":{"rendered":"https:\/\/blog.pmail.idv.tw\/?p=20167"},"modified":"2023-10-25T23:33:59","modified_gmt":"2023-10-25T15:33:59","slug":"exchange-2019%e8%a8%ad%e5%ae%9adownload-domain-%e8%a7%a3%e6%b1%bacve-2021-1730-%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"https:\/\/blog.pmail.idv.tw\/?p=20167","title":{"rendered":"Exchange 2019\u8a2d\u5b9adownload domain \u89e3\u6c7aCVE-2021-1730 \u6f0f\u6d1e"},"content":{"rendered":"<p>\u4e4b\u524d\u5c07\u5bb6\u4e2dExchange  2019 hybrid Server \u5b89\u88dd\u8fd1\u671f\u767c\u4f48\u7684\u66f4\u65b0\u5f8c\uff0c\u6709\u8dd1\u4e86\u4e00\u6b21\u5065\u5eb7\u6aa2\u67e5\uff0c\u6709\u770b\u5230\u4e00\u500bCVE-2021-1730 \u6f0f\u6d1e\u6c92\u6709\u8655\u7406\u3002<\/p>\n<p>Security Vulnerability: Download Domains are not configured. You should configure them to be protected against CVE-2021-1730.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Configuration instructions: <a href=\"https:\/\/aka.ms\/HC-DownloadDomains\">https:\/\/aka.ms\/HC-DownloadDomains<\/a> <\/p>\n<p><a href=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/2023-10-25_230650.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"2023-10-25_230650\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"2023-10-25_230650\" src=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/2023-10-25_230650_thumb.jpg\" width=\"644\" height=\"116\"><\/a><\/p>\n<p><!--more--><\/p>\n<p>&nbsp;<\/p>\n<p>CVE-2021-1730 \u8aaa\u660e:<\/p>\n<p>Microsoft Exchange Server \u4e2d\u5b58\u5728\u6b3a\u9a19\u6f0f\u6d1e\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u60e1\u610f\u884c\u70ba\u8005\u5192\u5145\u4f7f\u7528\u8005\u7684\u653b\u64ca\u3002 \u70ba\u4e86\u9632\u6b62\u6b64\u985e\u653b\u64ca\uff0cMicrosoft \u5efa\u8b70\u5f9e\u8207 OWA \u5176\u9918\u90e8\u5206\u4e0d\u540c\u7684 DNS \u7db2\u57df\u4e0b\u8f09\u5167\u5d4c\u6620\u50cf\u3002<\/p>\n<p><a title=\"https:\/\/zh-tw.tenable.com\/plugins\/nessus\/146330\" href=\"https:\/\/zh-tw.tenable.com\/plugins\/nessus\/146330\">https:\/\/zh-tw.tenable.com\/plugins\/nessus\/146330<\/a><\/p>\n<p>\u89e3\u6c7a\u65b9\u5f0f: <\/p>\n<p>\u5fae\u8edf\u5efa\u8b70\u8a2d\u5b9a&nbsp; Download Domains<\/p>\n<h5>\u65b0\u589e download domain to \u5167\u90e8 \u53ca \u5916\u90e8&nbsp; DNS server&nbsp;&nbsp; canme \u7d00\u9304<\/h5>\n<table cellspacing=\"0\" cellpadding=\"2\" width=\"400\" border=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"133\">Name<\/td>\n<td valign=\"top\" width=\"133\">Type<\/td>\n<td valign=\"top\" width=\"133\">Value<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"133\">download<\/td>\n<td valign=\"top\" width=\"133\">Alias (Cname)<\/td>\n<td valign=\"top\" width=\"133\">download.pmail.idv.tw<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7531\u65bc\u6211\u5916\u90e8\u53ca\u5167\u90e8\u90fd\u662f\u4f7f\u7528windows server&nbsp; ( \u5167\u90e8\u5c31\u662fdc)<\/p>\n<p>\u5916\u90e8dns<\/p>\n<p><a href=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/extenal.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"extenal\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"extenal\" src=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/extenal_thumb.jpg\" width=\"644\" height=\"205\"><\/a><\/p>\n<p>\u5167\u90e8 dns<\/p>\n<p><a href=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/internal-dns.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"internal-dns\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"internal-dns\" src=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/internal-dns_thumb.jpg\" width=\"644\" height=\"349\"><\/a><\/p>\n<p>\u5c07download  domins fqdn \u65b0\u589e\u81f3\u5916\u90e8\u6191\u8b49<\/p>\n<p>\u7531\u65bc\u6211\u662f\u7533\u8acb\u842c\u7528\u6191\u8b49\u6240\u4ee5*.pmail.idv.tw&nbsp; \u6240\u4ee5\u6c92\u6709\u53e6\u5916\u518d\u8655\u7406(\u4f9d\u7167\u6bcf\u500b\u74b0\u5883\u4e0d\u540c\u800c\u5b9a)<\/p>\n<p>\u63a5\u4e0b\u4f86\u8a2d\u5b9a exchange iis \u865b\u64ec\u76ee\u9304<\/p>\n<p>Set-OwaVirtualDirectory -Identity &#8220;ex01\\owa (Default Web Site)&#8221; -InternalDownloadHostName &#8220;download.pmail.idv.tw&#8221;<\/p>\n<p>Set-OwaVirtualDirectory -Identity &#8220;ex01\\owa (Default Web Site)&#8221; -ExternalDownloadHostName &#8220;download.pmail.idv.tw&#8221;<\/p>\n<p><a href=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/iis-virtual.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"iis-virtual\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"iis-virtual\" src=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/iis-virtual_thumb.jpg\" width=\"644\" height=\"35\"><\/a><\/p>\n<p>\u78ba\u8a8d\u8a2d\u5b9a<\/p>\n<p>get-OwaVirtualDirectory | ft Identity,*DownloadHostname<\/p>\n<p><a href=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/check-iis.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"check-iis\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"check-iis\" src=\"https:\/\/blog.pmail.idv.tw\/wp-content\/uploads\/2023\/10\/check-iis_thumb.jpg\" width=\"644\" height=\"117\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u5b8c\u6210\u5f8c\u91cd\u555fiis,\u5c31\u641e\u5b9a\u56c9<\/p>\n<p>\u53c3\u8003\u9023\u7d50:<\/p>\n<p><a title=\"https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/700888\/exchange-2016-enable-download-domain-for-owa-ecp\" href=\"https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/700888\/exchange-2016-enable-download-domain-for-owa-ecp\">https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/700888\/exchange-2016-enable-download-domain-for-owa-ecp<\/a><\/p>\n<p><a title=\"https:\/\/www.alitajran.com\/cve-2021-1730-vulnerability\/\" href=\"https:\/\/www.alitajran.com\/cve-2021-1730-vulnerability\/\">https:\/\/www.alitajran.com\/cve-2021-1730-vulnerability\/<\/a><\/p>\n<div class=\"21cd169d3c0f71e95b84db320302cb4a\" data-index=\"1\" style=\"float: right; margin:10px 0 10px 10px;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8711325745898650\"\r\n     crossorigin=\"anonymous\"><\/script>\n<\/div>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u5c07\u5bb6\u4e2dExchange 2019 hybrid Server \u5b89\u88dd\u8fd1\u671f\u767c\u4f48\u7684 &hellip; <a href=\"https:\/\/blog.pmail.idv.tw\/?p=20167\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[182,183],"tags":[],"class_list":["post-20167","post","type-post","status-publish","format-standard","hentry","category-exchange-2019","category-183"],"_links":{"self":[{"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/20167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20167"}],"version-history":[{"count":1,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/20167\/revisions"}],"predecessor-version":[{"id":20168,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/20167\/revisions\/20168"}],"wp:attachment":[{"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pmail.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}