{"id":9154,"date":"2025-08-18T04:12:07","date_gmt":"2025-08-18T04:12:07","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=9154"},"modified":"2025-08-30T02:28:43","modified_gmt":"2025-08-30T02:28:43","slug":"opnsense-firewall-to-azure-vpn-via-connections-not-legacy","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/opnsense-firewall-to-azure-vpn-via-connections-not-legacy","title":{"rendered":"OPNSense Firewall to Azure VPN Via connections not legacy"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The OpenSense website only had a guide of how to do this via Legacy which does not exist on the new firewall <a href=\"https:\/\/docs.opnsense.org\/manual\/how-tos\/ipsec-s2s-route-azure.html\">IPsec VTI &#8211; connect to Microsoft Azure \u2014 OPNsense documentation<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OPNSense Side<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Setup PreShared Key<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"277\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20-1024x277.png\" alt=\"\" class=\"wp-image-9155 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20-1024x277.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20-300x81.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20-768x208.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-20.png 1262w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Setup Connection<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Local Address : Open Sense Public IP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remote Address : Azure VPN Gateway IP<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"531\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21-1024x531.png\" alt=\"\" class=\"wp-image-9156 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21-1024x531.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21-300x155.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21-768x398.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-21.png 1355w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Add Local and Remote Authentication<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connection Name should be the one you created above<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ID will be the IP of the Azure Gateway <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-22.png\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"496\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-22.png\" alt=\"\" class=\"wp-image-9157 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-22.png 662w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-22-300x225.png 300w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Add the Child<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Local : Local IP Subnets<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remote : Remote IP Subnets<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"561\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32-1024x561.png\" alt=\"\" class=\"wp-image-9190 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32-1024x561.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32-300x164.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32-768x421.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32-1536x842.png 1536w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-32.png 1542w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-24.png\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"694\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-24.png\" alt=\"\" class=\"wp-image-9159 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-24.png 662w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-24-286x300.png 286w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"202\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33-1024x202.png\" alt=\"\" class=\"wp-image-9192 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33-1024x202.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33-300x59.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33-768x151.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33-1536x303.png 1536w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-33.png 1553w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Add the WAN IP Rules<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"299\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25-1024x299.png\" alt=\"\" class=\"wp-image-9160 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25-1024x299.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25-300x88.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25-768x224.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25-1536x449.png 1536w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-25.png 1885w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Add the IPSEC Ip rules<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"249\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26-1024x249.png\" alt=\"\" class=\"wp-image-9161 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26-1024x249.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26-300x73.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26-768x187.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-26.png 1484w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Azure Side<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"636\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27-1024x636.png\" alt=\"\" class=\"wp-image-9162 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27-1024x636.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27-300x186.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27-768x477.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-27.png 1180w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Then use status overview to bring up manually<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"365\" src=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28-1024x365.png\" alt=\"\" class=\"wp-image-9163 img-responsive\" srcset=\"https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28-1024x365.png 1024w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28-300x107.png 300w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28-768x274.png 768w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28-1536x548.png 1536w, https:\/\/pariswells.com\/blog\/wp-content\/uploads\/2025\/08\/image-28.png 1893w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The OpenSense website only had a guide of how to do this via Legacy which does not exist on the new firewall IPsec VTI &#8211; connect to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9154","post","type-post","status-publish","format-standard","hentry","category-research"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"The OpenSense website only had a guide of how to do this via Legacy which does not exist on the new firewall IPsec VTI - connect to Microsoft Azure \u2014 OPNsense documentation OPNSense Side Setup PreShared Key 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