{"id":15118,"date":"2020-08-05T06:17:37","date_gmt":"2020-08-05T06:17:37","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=15118"},"modified":"2020-08-05T06:17:38","modified_gmt":"2020-08-05T06:17:38","slug":"application-security-groups-and-bastion","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/application-security-groups-and-bastion\/","title":{"rendered":"Application Security Groups and Bastion"},"content":{"rendered":"\n<p>This tutorial will help you to understand about Application Security Groups and Bastion. Application security groups helps you to configure network security as a natural extension of an application&#8217;s structure. It also allows you to group virtual machines and also, define network security policies based on the available groups.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"allow-http-inbound-internet\"><strong>Allow-HTTP-Inbound-Internet<\/strong><\/h3>\n\n\n\n<p>There is a rule which is needed to allow traffic from the internet to the web servers. Because the inbound traffic from the internet is not acceptable by the\u00a0<strong>DenyAllInbound<\/strong>\u00a0default security rule, no additional rule is needed for these &#8211;\u00a0<em>AsgLogic<\/em>\u00a0or\u00a0<em>AsgDb<\/em>\u00a0application security groups.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Priority<\/th><th>Source<\/th><th>Source ports<\/th><th>Destination<\/th><th>Destination ports<\/th><th>Protocol<\/th><th>Access<\/th><\/tr><\/thead><tbody><tr><td>100<\/td><td>Internet<\/td><td>*<\/td><td>AsgWeb<\/td><td>80<\/td><td>TCP<\/td><td>Allow<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"deny-database-all\"><strong>Deny-Database-All<\/strong><\/h3>\n\n\n\n<p>Because of the\u00a0<strong>AllowVNetInBound<\/strong>\u00a0default security rule allowing all communication between resources in the identical virtual network, the above mentioned rule is also needed to deny traffic from all resources.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Priority<\/th><th>Source<\/th><th>Source ports<\/th><th>Destination<\/th><th>Destination ports<\/th><th>Protocol<\/th><th>Access<\/th><\/tr><\/thead><tbody><tr><td>120<\/td><td>*<\/td><td>*<\/td><td>AsgDb<\/td><td>1433<\/td><td>Any<\/td><td>Deny<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"allow-database-businesslogic\"><strong>Allow-Database-BusinessLogic<\/strong><\/h3>\n\n\n\n<p>The above mentioned rule allows traffic from the\u00a0<em>AsgLogic<\/em>\u00a0application security group to the\u00a0<em>AsgDb<\/em>\u00a0application security group. Subsequently, The priority for this rule is higher than the priority for the\u00a0<em>Deny-Database-All<\/em>\u00a0rule. However, this rule is processed before the\u00a0<em>Deny-Database-All<\/em>\u00a0rule, so traffic from the\u00a0<em>AsgLogic<\/em>\u00a0application security group is permitted, whereas all other traffic is blocked.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Priority<\/th><th>Source<\/th><th>Source ports<\/th><th>Destination<\/th><th>Destination ports<\/th><th>Protocol<\/th><th>Access<\/th><\/tr><\/thead><tbody><tr><td>110<\/td><td>AsgLogic<\/td><td>*<\/td><td>AsgDb<\/td><td>1433<\/td><td>TCP<\/td><td>Allow<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"createvmset\"><strong>Creating a bastion host<\/strong><\/h3>\n\n\n\n<p>When you will be creating a bastion host in the portal by using an existing virtual machine, various settings will automatically default to correspond to your virtual machine and\/or virtual network.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Firstly, Visit the\u00a0Azure portal. Go to your virtual machine, then select <strong>Connect<\/strong>.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/docs.microsoft.com\/en-us\/azure\/bastion\/media\/quickstart-host-portal\/vm-settings.png\" alt=\"virtual machine settings Application Security Groups and Bastion \"\/><figcaption>Image source &#8211; Micosoft <\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Also, From the dropdown, choose\u00a0<strong>Bastion<\/strong>.<\/li><li>Subsequently, On the Connect page, choose\u00a0<strong>Use Bastion<\/strong>.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/docs.microsoft.com\/en-us\/azure\/bastion\/media\/quickstart-host-portal\/select-bastion.png\" alt=\"select Bastion\"\/><figcaption>Image source &#8211; Micosoft<\/figcaption><\/figure><\/div>\n\n\n\n<p>On the Bastion page, type the following settings as per your needs:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Firstly, <strong>Name<\/strong>: Name the bastion host<\/li><li>Subsequently, <strong>Subnet<\/strong>: The subnet inside your virtual network to which Bastion resource will be deployed. <ul><li>Choose <strong>Manage subnet configuration<\/strong>, then click\u00a0<strong>+ Subnet<\/strong>.<\/li><li>On the Add subnet page, search <strong>AzureBastionSubnet<\/strong>.<\/li><li>You have to now Specify the address range in CIDR notation. For example, 10.1.254.0\/27.<\/li><li>Choose\u00a0<strong>OK<\/strong>\u00a0to create the subnet. At the top of the page, navigate back to Bastion to complete the rest of the necessary settings.<\/li><\/ul><\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/docs.microsoft.com\/en-us\/azure\/bastion\/media\/quickstart-host-portal\/navigate-bastion.png\" alt=\"navigate to bastion settings\"\/><figcaption>Image source &#8211; Micosoft<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Public IP address<\/strong>: Fill out public IP of the Bastion resource on which RDP\/SSH will be accessed (over port 443). Choose a new public IP, or use an existing one. <\/li><li><strong>Public IP address name<\/strong>: Specify The name of the public IP address resource.<\/li><\/ul>\n\n\n\n<p>Finally, On the validation screen, select\u00a0<strong>Create<\/strong>. Wait for arround 5 minutes for the Bastion resource create and deploy.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/docs.microsoft.com\/en-us\/azure\/bastion\/media\/quickstart-host-portal\/bastion-settings.png\" alt=\"create bastion host\"\/><figcaption>Image source &#8211; Micosoft<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"connect\"><strong>Connect<\/strong><\/h3>\n\n\n\n<p>After Bastion has been deployed to the virtual network, the screen will display the connect page.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Firstly, Type the username and password for your virtual machine. Then, choose\u00a0<strong>Connect<\/strong>.<\/li><li>Subsequently, The RDP connection to this virtual machine via Bastion will be displayed directly in the Azure portal (over HTML5) using port 443 and also the Bastion service.<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"clean-up-resources\"><strong>Clean up resources<\/strong><\/h3>\n\n\n\n<p>When you&#8217;re completed with using the virtual network and the virtual machines, remove the resource group and all of the resources it contains:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Firstly, Type\u00a0<em>TestRG1<\/em>\u00a0in the\u00a0<strong>Search<\/strong>\u00a0box at the top of the portal and choose <strong>TestRG1<\/strong>\u00a0from the search results.<\/li><li>Subsequently, choose\u00a0<strong>Delete resource group<\/strong>. <\/li><li>Type\u00a0<em>TestRG1<\/em>\u00a0for\u00a0<strong>TYPE THE RESOURCE GROUP NAME<\/strong>\u00a0and click\u00a0<strong>Delete<\/strong>.<\/li><\/ol>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.testpreptraining.ai\/microsoft-azure-architect-technologies-az-303-free-practice-test\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"150\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2020\/07\/Untitled-design-5.png\" alt=\"free practice test for AZ- 303\" class=\"wp-image-13928\" srcset=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2020\/07\/Untitled-design-5.png 960w, https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2020\/07\/Untitled-design-5-750x117.png 750w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/www.testpreptraining.ai\/tutorial\/exam-az-303-microsoft-azure-architect-technologies\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Go back to home page <\/strong><\/a><\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>Reference documentation &#8211;<\/strong><a href=\"https:\/\/docs.microsoft.com\/en-us\/azure\/virtual-network\/application-security-groups\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> <\/strong>Application security groups<\/a><\/p>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/docs.microsoft.com\/en-us\/azure\/bastion\/quickstart-host-portal\" target=\"_blank\" rel=\"noreferrer noopener\">Quickstart: Connect to a virtual machine using a private IP address and Azure Bastion<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This tutorial will help you to understand about Application Security Groups and Bastion. Application security groups helps you to configure network security as a natural extension of an application&#8217;s structure. It also allows you to group virtual machines and also, define network security policies based on the available groups. Allow-HTTP-Inbound-Internet There is a rule which&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-15118","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Application Security Groups and Bastion - Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Enhance and upgrade your Azure Architect skills by preparing from tutorial - Application Security Groups and Bastion and passing AZ-303 Exam Now!\" \/>\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.testpreptraining.ai\/tutorial\/application-security-groups-and-bastion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Application Security Groups and Bastion - 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