åé¡ã¹ããŒãã¡ã³ãïŒãªã¢ãŒããããã¯ãŒã¯ã®ããŒããžã®ã¢ã¯ã»ã¹ãååŸããŸãã
ããã§ã¯ãçµåããå¿ èŠããã2ã€ã®ãããã¯ãŒã¯ã«ã€ããŠèª¬æããŸãã1ã€ã¯ããªãã£ã¹ãããã¯ãŒã¯ãããã1ã€ã¯ããªã¢ãŒããããã¯ãŒã¯ããšåŒã³ãŸãã
ãªã¢ãŒããããã¯ãŒã¯ã®ã·ã¹ãã 管çè ã¯ãæå°éã®å€æŽãè¡ãããšãæåŠããŸããæ¥ç¶ããããã«ã§ããããšã¯ããªã¢ãŒããããã¯ãŒã¯ã«æ©åšã眮ãããšã ãã§ãã ãã®networkv4ããã®ã€ã³ã¿ãŒãããã¢ã¯ã»ã¹ã¯ãäžçã«å ¥ãã²ãŒããŠã§ã€ãä»ããŠè¡ãããŸãã 2ã€ã®ãªãã£ã¹éã«ãã³ãã«ãæ§ç¯ããŠããªãã£ã¹ãããã¯ãŒã¯ã®ããŒãããªã¢ãŒããããã¯ãŒã¯ã®ããŒãã«ã¢ã¯ã»ã¹ã§ããããã«ãäž¡åŽã§ã®å€æŽãæå°éã«æããå¿ èŠããããŸãã
2ã€ã®ãããã¯ãŒã¯ãçµã¿åãããŠä»®æ³ãã³ãã«ãæ§ç¯ããã¿ã¹ã¯ãå®è¡ããã«ã¯ãä»®æ³ãã©ã€ããŒããããã¯ãŒã¯ã䜿çšããå¿ èŠããããŸãã é©åãªæ¥ç¶ãªãã·ã§ã³ãæ€çŽ¢ããéçšã§ãç§ã¯VPNãã¯ã©ã€ã¢ã³ããµãŒããŒããŒãžã§ã³ãšãã¢ã®2ã€ã®ã¿ã€ãã«åããŸããã 次ã®ç¹ãæ ¹æ¬çãªéãããããããŸãã
- ã°ããŒãã«ã€ã³ã¿ãŒãããã䜿çšãããã¢ããŒãã¢VPNã§ã¯ãåããŒãïŒå°ãªããšã2ã€ã®ããŒãïŒã«1ã€ã®å®éã®IPã¢ãã¬ã¹ãå¿ èŠã§ãã ããã§ã¯ãæ¥ç¶ã¯ååœäºè ã«ãã£ãŠéå§ã§ããŸãïŒãããç§ããããåçãšåŒãã çç±ã§ãïŒã
- ã°ããŒãã«ã€ã³ã¿ãŒãããã䜿çšããã¯ã©ã€ã¢ã³ããµãŒããŒããŒãžã§ã³ã§ã¯ããµãŒããŒã«å¿ èŠãªå®éã®IPã¢ãã¬ã¹ã¯1ã€ã ãã§ãã ããã§ã®æ¥ç¶ã¯ã¯ã©ã€ã¢ã³ãã®èŠæ±ã§çºçãããµãŒããŒã¯åžžã«äºæããŸããè€æ°ã®ã¯ã©ã€ã¢ã³ããååšããå¯èœæ§ããããŸãã
泚1ïŒã©ã¡ãã®å Žåããæ¡ä»¶ã®1ã€ãæºããããŠããå¿ èŠããããŸãïŒã¯ã©ã€ã¢ã³ããµãŒããŒããŒãžã§ã³ã®å ŽåããµãŒããŒã®å Žåã®ã¿ïŒã
- A. VPNãã¢ã¯ãã²ãŒããŠã§ã€äžã«çŽæ¥é 眮ããå¿ èŠããããŸãïŒè¿œå ã®ãœãããŠã§ã¢ãã€ã³ã¹ããŒã«ããããããã€ã¹ãç®çã®ã¿ã€ãã®VPNæ¥ç¶ã確ç«ã§ããå¿ èŠããããŸãïŒã
- B.ã²ãŒããŠã§ã€ã§VPNãã¢ãçŽæ¥èµ·åã§ããªãå Žåã¯ãVPNãã¢ãšããŠæ§æãããå¥ã®ããã€ã¹ã«ããŒããæž¡ãããšãã§ããããã«æ§æããå¿ èŠããããŸãã
VPNãããã³ã«ã®äŸïŒ
ã¯ã©ã€ã¢ã³ããµãŒããŒVPNïŒ
- PPTP
- L2TP;
- OpenVPN
- PPPoE;
- ...
ãã¢VPNïŒ
- IPsec
- ...
ãããã£ãŠãéžæãæããã«ãªããŸã - ã¯ã©ã€ã¢ã³ããµãŒããŒVPN ã ãã®ãªãã·ã§ã³ã§ã¯ã¯ã©ã€ã¢ã³ãåŽããäœãå€æŽããå¿ èŠããªãããã§ãã
éžæããã¯ã©ã€ã¢ã³ããµãŒããŒãªãã·ã§ã³ã¯ã©ãã§ããïŒ
ãããŠæåã«é ã«æµ®ãã¶ã®ã¯ãå€ãè¯ãPPTPã§ãã 圌ã«ã¯ã»ãã¥ãªãã£äžã®æ¬ é¥ããããããããŸãããããé«åºŠã§æ°ããããŒãžã§ã³ããããŸãã ã»ãã¥ãªãã£ã®æ¬ é¥ã«ãããããããPPTPã«ã¯å¥ã®éåžžã«äžå¿«ãªæ©èœããããŸããããã¯ãPPTPã¯ã©ã€ã¢ã³ãããµãŒããŒãžã®æ¥ç¶ã確ç«ããããã«äœ¿çšããGREãããã³ã«ã§ãã 泚1.Bã§æå®ãããã¹ããŒã ã«åŸã£ãŠéä¿¡ã確ç«ããå ŽåãããŒããã©ã¯ãŒãã£ã³ã°ïŒããŒããã©ã¯ãŒãã£ã³ã°ïŒãå®è¡ããæ©åšã¯ãPPTPïŒå€ãã®å Žåã¢ããªã±ãŒã·ã§ã³ã¬ãã«ã²ãŒããŠã§ã€ã»ã¯ã·ã§ã³ã«ãããŸãïŒãä»ããŠæ¥ç¶ãééã§ããå¿ èŠããããŸãïŒãã®æ©èœã¯å€ãã®å ŽåãPPTPçµç±ãšåŒã°ããŸãïŒ PPTPèªäœãééãããŸãïŒã ããã¯ããããã³ã«ã®æ©èœãšãæåã¯PPTPãNATãä»ããŠåäœããããã«èšèšãããŠããªãã£ãããã§ãã ãã®ãããªæ©èœããªãå Žåããã®ã¹ããŒã ã§ã¯ããµãŒããŒãçä¿¡æ¥ç¶èŠæ±ãèªèããªããšããåçŽãªçç±ã«ãããVPNãã£ãã«ã¯ã€ã³ã¹ããŒã«ãããŸããã
PPPoEãL2TPãããã³PPTPã¯ãå®å šã«ã¯ã»ã©é ãpapãchapãmscap1ãããã³mscap2èªèšŒãããã³ã«ã䜿çšããŸãã
幞ããOpenVPNãããã³ã«ã«ã¯äžèšã®æ¬ ç¹ã®ã»ãšãã©ããªããGREãããã³ã«ã䜿çšãããNATã䜿çšãããããã¯ãŒã¯ã®æ©èœãèæ ®ããŠç¹å¥ã«èšèšãããŠããŸãã
Open VPNã«ã€ããŠå°ãïŒããŒã1194ã§åäœããTCPãããã³ã«ãšUDPãããã³ã«ã®äž¡æ¹ã䜿çšã§ããŸãã ã¢ããªã±ãŒã·ã§ã³å±€ãããã³ã«ãOSIã¢ãã«ã
ãããã£ãŠããããã®ãããã³ã«ã®éžæãæããã«ãªããŸãã-OpenVPN ã ãã¡ãããå®ç§ã§ã¯ãªãäžèœè¬ã§ã¯ãããŸãããããã®å Žåã«ã¯æé©ã§ãã
å°ãèŠçŽããŠãã ããã
OpenVPNãµãŒããŒããªãã£ã¹ãããã¯ãŒã¯ã®åŽãã䜿çšããŸãïŒäœããå€æŽã§ããå Žåãå šè¬çã«ã¯ãã¹ãŠãå€æŽã§ããŸãããåã«å€æŽããããªãã ãã§ãïŒããªã¢ãŒããããã¯ãŒã¯ã®åŽããã¯ã©ã€ã¢ã³ãããããŸãã ãã¡ã€ã¢ãŠã©ãŒã«ãããŒããŠã§ã¢ããã€ã¹ã§ããïŒãããŠOpenVPNãµãŒããŒãçµã¿èŸŒãŸããŠããªãïŒãªãã£ã¹ãããã¯ãŒã¯ã®ã¹ããŒã ãããŸãå€æŽããªãããã«ããã«ã¯ãOpenVPNãµãŒããŒãèåŸã«ããããã€ã¹ãã€ã³ã¹ããŒã«ããããŒã1194ã転éããå¿ èŠããããŸãã
ããã§ãã¯ã©ã€ã¢ã³ããšãµãŒããŒã®éã§æ¥ç¶ãã©ã®ããã«ç¢ºç«ãããããæ³åããŸããããªãã£ã¹ã®ãããã¯ãŒã¯ããŒãã¯ã©ã®ããã«ããŠãªã¢ãŒããããã¯ãŒã¯ã®ããŒããèŠãããšãã§ããŸããïŒ
ãªã¢ãŒããããã¯ãŒã¯ã®ã«ãŒã¿ãŒãå€æŽããªãããã«ããªãã£ã¹ã®ãããã¯ãŒã¯ãNATã§é衚瀺ã«ããŸãã ãªãã£ã¹ã®åŽã®ã«ãŒã¿ãŒã§ãVPNãã³ãã«ãä»ãããªã¢ãŒããããã¯ãŒã¯ãžã®ã«ãŒããæžãçããŸãã
ãã®å Žåã®ãã¹ãã³ã°ã®æ¬ ç¹ã¯ããªã¢ãŒããããã¯ãŒã¯ã®ããŒããããªãã£ã¹ã®ããŒãã«ã¢ã¯ã»ã¹ã§ããªãããšã§ãããã®å Žåãããã¯ãããå©ç¹ã§ãã
æçããã¹ããŒã ã

ãã®å³ã§ã¯ãã¯ã©ã€ã¢ã³ãã«ãã£ãŠãµãŒããŒã«ã€ã³ã¹ããŒã«ããããã³ãã«ã¯èµ€ã§è¡šç€ºããããã³ãã«ãä»ãããªãã£ã¹ãããªã¢ãŒããªãã£ã¹ã®ããŒããžã®ãã±ããã«ãŒãã¯é»ãç¹ç·ã§ç€ºãããŠããŸãã
次ã®ã«ãŒãããããã·ãµãŒããŒ192.168.0.1-192.168.100.3ã«è¿œå ãããŸããã
Route 10.0.0.0/8 192.168.100.2
Route 192.168.1.0/30 192.168.100.2
ããã§ã¯ããããã¯ãŒã¯192.168.1.0/30ããã³10.0.0.0/8å®ãŠã®ãã¹ãŠã®ãã±ãããã«ãŒã¿ãŒ192.168.100.2-192.168.1.1ã§ã©ããããŸãã OpenVPNãµãŒããŒã¯åãã«ãŒã¿ãŒã§å®è¡ãããŸãã ããã©ã«ãã§ã¯ããã¹ãŠã®ãã±ããã¯ã²ãŒããŠã§ã€192.168.100.1-Real_1ãä»ããŠã€ã³ã¿ãŒãããã«éä¿¡ããããããã¯ãŒã¯10.0.0.0/8ã«ã€ããŠã¯ãOpenVPNã¯ã©ã€ã¢ã³ã192.168.1.2-10.1.1.2ã§ã€ã³ã¿ãŒãããäžã«æ§ç¯ãããä»®æ³ãã£ãã«ãä»ããŠéä¿¡ãããŸãã
ããŒã192.168.100.1-Real_1ã§ã®OpenVPNãµãŒããŒã®éåžžã®åäœã§ã¯ãããŒã1194ã転éãããŸããã
OpenVPNã¯ã©ã€ã¢ã³ãã§ã¯ããªã¢ãŒããµãããã10.1.1.2ããã®ã¢ãã¬ã¹ãç»é²ãããŠããŸãã ããã©ã«ãã²ãŒããŠã§ã€ã¯10.1.1.1ã§ãã ã¯ã©ã€ã¢ã³ãã¯ãå®éã®IPã¢ãã¬ã¹Real_1ãä»ããŠã€ã³ã¿ãŒããããžã®æ¥ç¶ã確ç«ããŸãã 192.168.1.1-192.168.100.2ãçµç±ããã«ãŒãããããã¯ãŒã¯192.168.100.0/24ã«ç»é²ãããŠãããããç§ã®ãªãã£ã¹ããå°çãããã±ãããå®å šã«æ»ãããšãã§ããŸãã ããã§ãã¯ã©ã€ã¢ã³ãã§ã¯ããã¡ã€ã¢ãŠã©ãŒã«ïŒNATããŒãã«ïŒã«ã«ãŒã«ãèšå®ãããŠããŸãã192.168.100.0/ 24ãããã¯ãŒã¯ããã®ãã±ããã¯ããã®ãµããããïŒ10.1.1.2ïŒããã®ã¢ãã¬ã¹ã«ãã¹ã«ã¬ãŒããããŠããŸãã
çè«çãªãã±ããæ€æ»
ãããã£ãŠãç§ã®ãããã¯ãŒã¯ããã®ãã±ããã¯ãã«ãŒã«ã«åŸã£ãŠãªã¢ãŒããããã¯ãŒã¯ã«è¡ããæ»ã£ãŠããŸãã
ããŒã192.168.0.123ãããªãã£ã¹ãããªã¢ãŒããããã¯ãŒã¯10.0.0.0/8ããããŒã10.0.0.123ã«éä¿¡ããããã±ããã¯ãã²ãŒããŠã§ã€192.168.0.1-192.168.100.3ã«ãã£ãŠã¢ãã¬ã¹192.168.100.3ã«ãã¹ã¯ãããã«ãŒã«ã«åŸã£ãŠãã«ãŒã¿ãŒ192.168.100.2-192.168ãã«éä¿¡ãããŸã1.1ãã¢ãã¬ã¹192.168.1.1ãä»ããŠã«ãŒã¿ãŒ192.168.1.2-10.1.1.2ã®ã¢ãã¬ã¹ã«ãªãã€ã¬ã¯ããããåã³ã¢ãã¬ã¹10.1.1.2ã«åœè£ ãããããããå®å 10.0.0.123ã«å®å šã«å°éããŸãã ã¢ãã¬ã¹10.0.0.123ã¯å¿ç10.1.1.2-192.168.1.2ãéä¿¡ããã¢ãã¬ã¹192.168.1.2ããã¢ãã¬ã¹192.168.1.1-192.168.100.2ã«å¿çãéä¿¡ããŸããã¢ãã¬ã¹192.168.100.2ãããµãŒããŒ192.168.100.3-192.168.0.1ã«ãã±ãããè¿ããŸããã¢ãã¬ã¹192.168.0.1ãã192.168.0.123ã«ãã±ãããéãè¿ããŸãã
ãã®è©³çŽ°ãªãã±ãããã©ããã³ã°ã«ãŒãã³ã¯ããã¹ãŠã®èšå®ãæ£ããè¡ãããäœãã¹ããããããªãã£ãããšã確èªããããã«å¿ èŠã§ããã
OpenVPNãµãŒããŒããã³ã¯ã©ã€ã¢ã³ããšããŠéžæããæ©åšã¯äœã§ããïŒ
* nixãã€ã³ã¹ããŒã«ãããéåžžã®ã³ã³ãã¥ãŒã¿ãŒãšOpenVPNãœãããŠã§ã¢ããã±ãŒãžã䜿çšã§ããŸãã
ãŸããå°çšã®æ©åšã䜿çšã§ããŸãã ããŸããŸ2å°ã®Mikrotik RB450ããããŸããã
RB450ã®ã»ããã¢ããããŸãã¯PPTPããã¹ãããŠããªãçç±ã
å®éãPPTPã§ãã¹ãŠããã¹ãããããšããã®ã¯åããŠã§ãããã¯ã©ã€ã¢ã³ãã¯ãµãŒããŒãšã®æ¥ç¶ã確ç«ã§ããŸããã§ããããWindowsã³ã³ãã¥ãŒã¿ãŒããæ¥ç¶ã確ç«ããããšã¯ã§ããŸããã
Mikrotik RB450ãããŒãžã§ã³3.22ãã4.20ã«æŽæ°ããŸãã
å ¬åŒãŠã§ããµã€ãwww.mikrotik.com/download.html#2.phpã«èšèŒãããŠããããã«ãããŒãžã§ã³3.25以éããã®ã¿4.20ã«ã¢ããã°ã¬ãŒãã§ããŸãã
ãããã£ãŠãããŠã³ããŒãã»ã¯ã·ã§ã³ã§ã·ã¹ãã ãéžæãããœãããŠã§ã¢ã»ã¯ã·ã§ã³ã§ã¬ã¬ã·ãŒãéžæããŸãã ããã§ã¯ææ°ã®ãªãªãŒã¹3.30ãéžæããŸãããããã¯è³ªåãªãã§3.22ã«è¿œå ãããŠããŸãã
èšäºwww.asp24antenna.com.ua/obnovlenie-s-328-os-na-routeros-40ãšã®é¡æšã«ããäœæãããŸããã
WinBOXãéãããã¡ã€ã«ã«ç§»åããããã«ãã¡ãŒã ãŠã§ã¢ãã¡ã€ã«3.30ããã©ãã°ããåèµ·åããŠäºéããŒã¯ãåŸ ã¡ãŸã-ãã¹ãŠã®ãã¡ãŒã ãŠã§ã¢ãæ¢ã«ã€ã³ã¹ããŒã«ãããŠããŸãã 次ã«ã[ã·ã¹ãã ]> [ã©ã€ã»ã³ã¹]ã«ç§»åãã[æŽæ°]ãã¯ãªãã¯ããŸãïŒãã®æç¹ã§ãæ§ææžã¿ã®DNSã§ã«ãŒã¿ãŒãã€ã³ã¿ãŒãããã«æ¥ç¶ããå¿ èŠããããŸãïŒã æŽæ°åŸãåã³æ°ãããã¡ãŒã ãŠã§ã¢ã®ã¿ãããŠã³ããŒãããŠã«ãŒã¿ãŒã«æå ¥ããåèµ·åããŸãããã¹ãŠææ°ã®ãã¡ãŒã ãŠã§ã¢ããããŸãïŒ RB450 microticsã®äž¡æ¹ãããŒãžã§ã³3.22ãã3.30ã«ããããŠ4.20ã«ã¢ããããŒãããæéãããããŸããããããã¯åœ¹ã«ç«ãããPPTPã®ç¶æ³ã¯ã©ãã«ãããŠä¿®æ£ãããŸããã§ãã:(
OpenVPNã§ããã«ãã«ãããããšã«ããŸããã
ãã®èšäºwiki.mikrotik.com/wiki/OpenVPNã®ã¬ã€ãã³ã¹ã«åºã¥ããŠã蚌ææžãäœæããŠã€ã³ããŒãããŸããã 詳现ã«ã€ããŠã¯ããã®èšäºãåç §ããŠãã ããã ããŒãã€ã³ããŸãã¯åé¡ãåŒãèµ·ããããã®ã®ã¿ã説æããŸãã
CAcert.orgã«ã¢ã«ãŠã³ããäœæããŸããããããã¯ãŸã£ããå¿ èŠã§ã¯ãããŸããããèªå·±çœ²å蚌ææžãçºè¡ã§ããŸãã
OpenVPNãµãŒããŒãšãªãã«ãŒã¿ãŒã§ã次ã®ã³ãã³ããå®è¡ããŸãã
/certificate create-certificate-request
# :
passphrase:
(Your name) common name:
#
certificate-request.pem
private-key.pem
certificate-request.pemãã¡ã€ã«ãéãããã®å 容ãã³ããŒãïŒããšãã°ãFTPçµç±ã§ã³ã³ãã¥ãŒã¿ãŒã«ã³ããŒããããWinBOXãããã¹ã¯ãããã«ãã©ãã°ããŸãïŒã CAcert.org Webãµã€ãã®ãã©ãŒã ã«è²Œãä»ããŸãïŒç»é²ãå¿ èŠã§ãïŒãµãŒããŒèšŒææž>æ°èŠãåä¿¡ããåçcertificate-response.pemãã¡ã€ã«ã«ã³ããŒããŸãïŒOpenVPNãµãŒããŒã«ã¢ããããŒãããå¿ èŠããããŸãïŒã
次ã«ã蚌ææžãWinBOXã«ã€ã³ããŒãããŸãã
System> Certificates> Import
certificate-response.pem
private-key.pem
ãã®åŸã蚌ææžã«KRã®ããŒã¯ãä»ããããŸãã 代ããã«QRã衚瀺ãããå Žåã¯ãprivate-key.pemãå床ã€ã³ããŒãããŸãïŒå©ããŠãããŸããïŒã
ãµãŒããŒã®äœæãéå§ããŸãïŒå¿ èŠã«å¿ããŠå€æŽããããšãå¿ããªãã§ãã ããïŒã
/ interface ethernet
set ether1 name="ether1"
#
/ interface bridge
add name="lan" arp=proxy-arp
#, arp=proxy-arp!
/ interface bridge port
add interface=ether1 bridge=lan
/ ip address
add address=192.168.1.1/24 interface=lan
#
/ ip pool
add name="ovpn-pool" ranges=192.168.1.2-192.168.1.2
# .
/ ppp profile
add name="ovpn-profile" local-address=192.168.1.1 remote-address=ovpn-pool use-encryption=yes only-one=yes change-tcp-mss=default
#, / ppp %)
/interface ovpn-server server
set enabled=yes auth=sha1 netmask=24 certificate=cert1 max-mtu=1500 port=1194 cipher=aes256 keepalive-timeout=60 mode=ip require-client-certificate=no default-profile=ovpn-profile
#
# mode=ip !
/ ppp secret
add name="user-1" service=pptp password="123456" profile=ovpn-profile
# !
OpenVPNã¯ã©ã€ã¢ã³ããšãªãã«ãŒã¿ãŒã§ã次ãå®è¡ããŸãã
/interface ovpn-client
add name="ovpn-out1" connect-to=Real_1 port=1194 mode=ip user="user-1" password="123456" profile=default certificate=none cipher=aes256 add-default-route=no
# Real_1 IP OpenVPN .
# !
# mode=ip !
/ip firewall nat
chain=srcnat out-interface=ether1 src-address=192.168.100.0/24 action=masquerade
# 192.168.100.0/24
# :)
åæ çãªäœè«
çè«çã«ã¯ãåäžã®å®éã®IPã¢ãã¬ã¹ããªããŠãVPNæ¥ç¶ã確ç«ã§ããããšã«æ³šæããŠãã ããã ãã®ãããªæ¥ç¶ã®é¡äŒŒç©ã¯ãSkypeãªã©ã®é³å£°ã€ã³ã¿ãŒãããã¡ãã»ã³ãžã£ãŒã«ãã£ãŠç¢ºç«ãããŸãã ãã®ãããªæ¥ç¶ã®æ¬è³ªã¯ãè€æ°ã®ããŒããš1ã€ã®ãµãŒããŒãããããšã§ãã åããŒãã¯ãµãŒããŒã«æ¥ç¶ãããŸãããnode1ã¯node2ãšã®éä¿¡ã»ãã·ã§ã³ã確ç«ããå ŽåããµãŒããŒããnode2ã®ãµãŒããŒãžã®ç¢ºç«ãããæ¥ç¶ã®ãã©ã¡ãŒã¿ãŒãèŠæ±ãããã®åŸã確ç«ãããæ¥ç¶ãåæãããŠçŽæ¥ç¢ºç«ããããŸã§ããµãŒããŒã®ä»£ããã«ããŠã§ããžã€ã³ãããŸãã ããã¯ãSIPïŒã»ãã·ã§ã³éå§ãããã³ã«ïŒã䜿çšããŠå®è£ ãããŸãã ãã®ãããSkypeãµãŒããŒã«ã¯ãã¯ã©ã€ã¢ã³ãã«ãã£ãŠçæãããäžéãã©ãã£ãã¯ãèªã¿èŸŒãŸããŸããã SIPã³ã³ãããŒã«ã䜿çšããVPN VPNæ¥ç¶ã®ã€ã³ã¹ããŒã«ã«é¢ãããã®ãããªèª¿æ»ã®çµæã¯ã www.ietf.org / mail-archive / web / sipping / current / msg10092.htmlã§æäŸãããŸãã ã æ®å¿µãªããã IETFããã®ãã©ããVPN-SIPãããã ETSI TS 185 010 V2.1.1ïŒ2009-07ïŒããã®èª¬æãããã«ããããããããã®ã¢ã€ãã¢ã¯åºãŸããŸããã§ããïŒ ãTS 185 010ããšå ¥åããå¿ èŠããããŸãETSIã®ç»é²ã¡ã³ããŒãããã¥ã¡ã³ããèªãïŒã
SIPå¶åŸ¡ã䜿çšããŠVPNæ¥ç¶ãã»ããã¢ããããäŸïŒ

å³1ããŒã ãããã¯ãŒã¯ãžã®ãªã¢ãŒãã¢ã¯ã»ã¹ã
ããã«ããããããã Hamachi ã Teamviewerãªã©ãåæ§ã®æ©èœãåããéããããã°ã©ã ãããããããããã®èãã䜿çšããŠããŸãã
SIPå¶åŸ¡ã䜿çšããŠVPNæ¥ç¶ã確ç«ã§ãããåºãæ®åããæšæºåããããããã³ã«ãããã°ãäžçãã©ã®ããã«å€åãããæ³åããŠã¿ãŠãã ããïŒ