Hi guys! Any feedback from that? By the way...Well done in Berlin!!!
2015-10-09 13:59 GMT+01:00 Federico Olivieri <[email protected]>: > Hi all, > > I was running a DNS test (from https://www.grc.com/dns/dns.htm) on my DNS > server. From the result I could see the "Alphabetic Case" test. I din't > know about this feature and I googoled. That is what the website says: > > > - *Alphabetic Case:* > The DNS system is not sensitive to alphabetic case, so the domain “ > WWW.GRC.COM” is identical to “www.grc.com”. DNS is designed to *ignore > but preserve* the alphabetic case used in queries and replies. This > creates an opportunity for a DNS resolver to add additional unknown bits of > “entropy” to its queries by randomly changing the case of any alphabetic > characters in the queried domain name. When replies are received, only the > valid replying nameserver that received the mixed-case query could know the > proper case for its reply. No spoofing server would know. This would give a > clever resolver another way to reject spoofed replies. We know of no > nameservers that are deliberately mixing case in this way, but through this > test we are helping you to keep your eye out for any. > > I had a look to PDNS website but I didn't find any relevant information to > understand if pdns support this feature (from the test result seems not > supported) > > Do you have extra info about that? > > Thanks > > Federico > > >
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