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<DIR>   ..
<DIR>   html
          -> Network_Time_Protocol.htm
<DIR>   pdf
          -> MS-SNTP Network Time Protocol (NTP) Authentication Extensions (v20080207).pdf
          -> Network Time Protocol Version 4 Reference and Implementation Guide.pdf
<DIR>   text
          -> rfc956 - Algorithms for Synchronizing Network Clocks.ascii.txt.utf-8.txt
          -> rfc778 - DCNET Internet Clock Service.ascii.txt.utf-8.txt
          -> rfc891 - DCN Local-Network Protocols.ascii.txt.utf-8.txt (more in 'text'...)