Find all needed information about Edns0 Support. Below you can see links where you can find everything you want to know about Edns0 Support.
https://social.technet.microsoft.com/Forums/windows/en-US/108bea5a-b35f-4c0c-8a5e-687c929510b5/how-to-check-for-edns0-support-and-troubleshoot-it
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https://support.microsoft.com/en-us/help/832223/some-dns-name-queries-are-unsuccessful-after-you-deploy-a-windows-base
Mar 29, 2017 · EDNS0 allows larger User Datagram Protocol (UDP) packet sizes. However, some firewall programs may not allow UDP packets that are larger than 512 bytes. Therefore, these DNS packets may be blocked by the firewall.
https://social.technet.microsoft.com/Forums/en-US/108bea5a-b35f-4c0c-8a5e-687c929510b5/how-to-check-for-edns0-support-and-troubleshoot-it
Aug 01, 2011 · Lately, especially due to the wide adoption of the DNSSEC mechanism, the use of the EDNS0 mechanism became a need rather than an option, the problem is that there are still some DNS servers and some hardware devices (routers, firewalls) which lack support for EDNS0 causing issues like (for ... · A couple additional notes; a number of "public DNS ...
https://answers.microsoft.com/en-us/windows/forum/windows_7-networking/dnssec-and-edns0-support/7ba43be1-6ff1-4ba7-bc6d-674f65b79991
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https://azure.microsoft.com/en-us/blog/edns-client-subnet-support-in-azure-traffic-manager/
Sep 18, 2017 · Specifically, this feature provides support for RFC 7871 – Client Subnet in DNS Queries that provides an Extension Mechanism for DNS (EDNS0) which can pass on the client subnet address to resolvers. There is no customer action needed to enable this …
http://www.itgeared.com/articles/1146-windows-server-2008-r2-dns-issues-edns0/
Oct 28, 2011 · Several DNS Applications, in this case Microsoft DNS, support EDNS0 which extends query and response datagrams. When upgrading your DNS infrastructure to Windows 2008 R2 from earlier versions or other versions of DNS, you may notice some peculiar behavior.
https://en.wikipedia.org/wiki/Extension_mechanisms_for_DNS
Extension mechanisms for DNS (EDNS) is a specification for expanding the size of several parameters of the Domain Name System (DNS) protocol which had size restrictions that the Internet engineering community deemed too limited for increasing functionality of the protocol. The first set of extensions was published in 1999 by the Internet Engineering Task Force as RFC 2671, also known as EDNS0 ...
https://blogs.msmvps.com/acefekay/2010/10/11/edns0-extension-mechanisms-for-dns/
Oct 11, 2010 · EDNS0 supports a UDP query response larger than 512 bytes. Using the legacy method, UDP was used only as long as the DNS query was under 512 bytes. Over 512bytes, it changed it to TCP. With EDNS0, it allows UPD responses up to the full 1500 bytes bypassing the extra process step required to change to TCP, hence increasing efficiency.
https://support.opendns.com/hc/en-us/articles/227987687-Using-dig-for-testing-EDNS-client-subnet
Jul 28, 2017 · EDNS-client-subnet is an open IETF proposed standard which helps better direct content to users thereby decreasing latency, decreasing congestion, increasing transfer speeds and helping the Internet to scale faster and further. You can find more information on the Faster Internet project's site:
https://forum.fortinet.com/tm.aspx?m=70427
Mar 06, 2011 · EDNS0 - what is the word, is there support I have recently been trying to troubleshoot dns timeout issues on my network. just to eliminate the chance that it is the firewall causing the issue, what is the word on support for EDNS0 in these fortigates? i can;t seem to find anything in the knowledge base.
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