ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-10-23T00:52:40Z", "url": "https://infosec.exchange/@iampytest1/113353999027815942", "attributedTo": "https://infosec.exchange/users/iampytest1", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/iampytest1/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2024-10-23:objectId=205671261:objectType=Conversation", "content": "<p>uBlock Origin 1.60.1b16 fixes an issue where connections on IPv6-only networks which used NAT64 would falsely be detected as connections to LAN (Local Area Network) IP addresses. This is the only change in that release.</p><p>Issue report: <a href=\"https://github.com/uBlockOrigin/uBlock-issues/issues/3426\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/uBlockOrigin/uBlock</span><span class=\"invisible\">-issues/issues/3426</span></a><br>Commit: <a href=\"https://github.com/gorhill/uBlock/commit/2621c908c31b70a983dacf5482600c116ee35102\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/gorhill/uBlock/comm</span><span class=\"invisible\">it/2621c908c31b70a983dacf5482600c116ee35102</span></a></p><p>On NAT64:</p><blockquote><p>the primary purpose of NAT64 is to allow an IPv6-only client to initiate communications to an IPv4-only server</p></blockquote><p><a href=\"https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/217208-understanding-nat64-and-its-configuratio.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">cisco.com/c/en/us/support/docs</span><span class=\"invisible\">/ip/network-address-translation-nat/217208-understanding-nat64-and-its-configuratio.html</span></a></p><p>The issue here was that <code>64:ff9b::/96</code> was treated as LAN addresses. However, this is reserved for NAT64 in RFC6052:</p><blockquote><p>This document reserves a \"Well-Known Prefix\" for use in an algorithmic mapping. The value of this IPv6 prefix is: 64:ff9b::/96</p></blockquote><p>Behind CloudFlare: <code>https://www.rfc-editor.org/rfc/rfc6052</code></p><p><a href=\"https://infosec.exchange/tags/uBlockOrigin\" class=\"mention hashtag\" rel=\"tag\">#<span>uBlockOrigin</span></a> <a href=\"https://infosec.exchange/tags/IPv6\" class=\"mention hashtag\" rel=\"tag\">#<span>IPv6</span></a> <a href=\"https://infosec.exchange/tags/NAT64\" class=\"mention hashtag\" rel=\"tag\">#<span>NAT64</span></a></p>", "contentMap": { "en": "<p>uBlock Origin 1.60.1b16 fixes an issue where connections on IPv6-only networks which used NAT64 would falsely be detected as connections to LAN (Local Area Network) IP addresses. This is the only change in that release.</p><p>Issue report: <a href=\"https://github.com/uBlockOrigin/uBlock-issues/issues/3426\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/uBlockOrigin/uBlock</span><span class=\"invisible\">-issues/issues/3426</span></a><br>Commit: <a href=\"https://github.com/gorhill/uBlock/commit/2621c908c31b70a983dacf5482600c116ee35102\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/gorhill/uBlock/comm</span><span class=\"invisible\">it/2621c908c31b70a983dacf5482600c116ee35102</span></a></p><p>On NAT64:</p><blockquote><p>the primary purpose of NAT64 is to allow an IPv6-only client to initiate communications to an IPv4-only server</p></blockquote><p><a href=\"https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/217208-understanding-nat64-and-its-configuratio.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">cisco.com/c/en/us/support/docs</span><span class=\"invisible\">/ip/network-address-translation-nat/217208-understanding-nat64-and-its-configuratio.html</span></a></p><p>The issue here was that <code>64:ff9b::/96</code> was treated as LAN addresses. However, this is reserved for NAT64 in RFC6052:</p><blockquote><p>This document reserves a \"Well-Known Prefix\" for use in an algorithmic mapping. The value of this IPv6 prefix is: 64:ff9b::/96</p></blockquote><p>Behind CloudFlare: <code>https://www.rfc-editor.org/rfc/rfc6052</code></p><p><a href=\"https://infosec.exchange/tags/uBlockOrigin\" class=\"mention hashtag\" rel=\"tag\">#<span>uBlockOrigin</span></a> <a href=\"https://infosec.exchange/tags/IPv6\" class=\"mention hashtag\" rel=\"tag\">#<span>IPv6</span></a> <a href=\"https://infosec.exchange/tags/NAT64\" class=\"mention hashtag\" rel=\"tag\">#<span>NAT64</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/ublockorigin", "name": "#ublockorigin" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/ipv6", "name": "#ipv6" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/nat64", "name": "#nat64" } ], "replies": { "id": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://infosec.exchange/users/iampytest1/statuses/113353999027815942/shares", "type": "Collection", "totalItems": 2 } }