[REFS[
- [1] [CITE[非公式 SSTP/1.x プロトコル仕様書]] <http://www2.wbs.ne.jp/~dskoba/database/sstp.html>
- [3] [CITE[伺か - SSTPプロトコル]] ([TIME[2007-09-14 12:30:05 +09:00]] 版) <http://usada.sakura.vg/contents/sstp.html>
- [2] [CITE[NANIKA(en) - SSTP protocol]] ([TIME[2001-09-08 00:49:51 +09:00]] 版) <http://homepage1.nifty.com/znc/redo/sstp.html>
]REFS]

[4] [CITE['''['''MS-SSTP''']''': Secure Socket Tunneling Protocol (SSTP)]]
([TIME[2017-09-06 21:22:24 +09:00]])
<https://webcache.googleusercontent.com/search?q=cache:Jkzip1J7k6oJ:https://winprotocoldoc.blob.core.windows.net/productionwindowsarchives/MS-SSTP/%5BMS-SSTP%5D.pdf>