{"id":550,"date":"2009-05-24T14:51:31","date_gmt":"2009-05-24T14:51:31","guid":{"rendered":"\/blogs\/news\/archive\/2009\/05\/24\/new-in-hyper-v-windows-server-2008-r2-part-2-mac-spoofing.aspx"},"modified":"2009-05-24T14:51:31","modified_gmt":"2009-05-24T14:51:31","slug":"new-in-hyper-v-windows-server-2008-r2-part-2-mac-spoofing","status":"publish","type":"post","link":"https:\/\/plexuk.co.uk\/?p=550","title":{"rendered":"New in Hyper-V Windows Server 2008 R2 Part 2 \u00e2\u20ac\u201c MAC Spoofing"},"content":{"rendered":"<p>Our Virtual Switch got smarter in Windows Server 2008 R2. In Windows Server 2008, VMs are susceptible to MAC spoofing. MAC spoofing is where a (generally) malicious machine pretends to be another machine on a network (there are legitimate applications which do spoof MAC addresses though \u00e2\u20ac\u201c Network Load Balancing being one such example).<img decoding=\"async\" src=\"http:\/\/blogpics.dyndns.org\/2009-may-mac-spoofing.jpg\" \/><\/p>\n<p>A MAC (Media Access Control) address in physical NICs is burnt in, although it can usually be over-ridden. In a virtual machine environment, there\u00e2\u20ac\u2122s no physical counterpart, so we have to \u00e2\u20ac\u0153make up\u00e2\u20ac\u009d our own addresses. In fact, that can sometimes cause other networking issues which I talked about <a href=\"http:\/\/blogs.technet.com\/jhoward\/archive\/2008\/07\/15\/hyper-v-mac-address-allocation-and-apparent-network-issues-mac-collisions-can-cause.aspx\">last year<\/a>.<\/p>\n<\/p>\n<p>Full Article &#8211; <a title=\"http:\/\/blogs.technet.com\/jhoward\/archive\/2009\/05\/21\/new-in-hyper-v-windows-server-2008-r2-part-2-mac-spoofing.aspx\" href=\"http:\/\/blogs.technet.com\/jhoward\/archive\/2009\/05\/21\/new-in-hyper-v-windows-server-2008-r2-part-2-mac-spoofing.aspx\">http:\/\/blogs.technet.com\/jhoward\/archive\/2009\/05\/21\/new-in-hyper-v-windows-server-2008-r2-part-2-mac-spoofing.aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our Virtual Switch got smarter in Windows Server 2008 R2. In Windows Server 2008, VMs are susceptible to MAC spoofing. MAC spoofing is where a (generally) malicious machine pretends to be another machine on a network (there are legitimate applications which do spoof MAC addresses though \u00e2\u20ac\u201c Network Load Balancing being one such example). A [&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":[338],"class_list":["post-550","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-uncategorized"],"_links":{"self":[{"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=550"}],"version-history":[{"count":0,"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/550\/revisions"}],"wp:attachment":[{"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plexuk.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}