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ohesotori 2016/04/01
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ipv6

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ohesotori 2013/03/01
security

ipv6

privacy
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ohesotori 2013/03/01
ipv6

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ohesotori 2013/01/04
ipv6

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ohesotori 2013/01/04
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ohesotori 2012/11/29
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back æ¦‚è¦: å¢—ãˆã¤ã¥ã‘ã‚‹ IPv4 ã®éœ€è¦ã«å¯¾å‡¦ã™ã‚‹ãŸã‚ã«ææ¡ˆã•ã‚ŒãŸ IPv6 ã¯ IPv4 ã¨ã¯äº’æ›æ€§ãŒãªãã€ãã®ä»£ç”¨å“ã«ã¯ãªã‚‰ãªã„ã€‚ ã—ã‹ã—äººã€…ã¯ä¾ç„¶ã¨ã—ã¦ IPv4 ã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’å¿…è¦ã¨ã™ã‚‹ã€‚ ã—ãŸãŒã£ã¦ãŸã¨ãˆ IPv6 ãŒæ™®åŠã—ã¦ã‚‚ã€ãã®æ™®åŠçŽ‡ãŒ 100% ã«ãªã‚‹ã¾ã§ã¯ IPv4 ã®éœ€è¦ã¯æ¸›å°‘ã—ãªã„ã€‚ãã®ãŸã‚ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹å´ã¯ã¤ãã« IPv4 ã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹å¿…è¦ã«ã›ã¾ã‚‰ã‚Œã€IPv6 ã®ãƒ¡ãƒªãƒƒãƒˆã¯ã„ã¤ã¾ã§ãŸã£ã¦ã‚‚è¦‹ãˆã¦ã“ãªã„ã€‚ çµæžœã¨ã—ã¦ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆå…¨ä½“ã® IPv6 ã®å°Žå…¥ã«ã¯äºˆæƒ³ä»¥ä¸Šã®æ™‚é–“ã¨ã‚³ã‚¹ãƒˆãŒã‹ã‹ã‚Šã€ æ™®åŠã¾ã§ã«ã¯é•·ã„å¿è€ãŒå¿…è¦ã¨ãªã‚‹ã€‚ ãŠã“ã¨ã‚ã‚Š: ã“ã‚Œã¯ Daniel J. Bernstein ã•ã‚“ (ä»¥ä¸‹ djb) ã«ã‚ˆã‚‹ IPv6 mess (æ—¥æœ¬èªžè¨³) ãŠã‚ˆã³ ngtransãƒ¡ãƒ¼ãƒªãƒ³ã‚°ãƒªã‚¹ãƒˆ (IPv6 ã¸ã®ç§»è¡Œã«é–¢ã™ã‚‹å•é¡Œã‚’æ‰±ã£ã¦ã„ãŸ) ã§ã®å½¼ã®ç™ºè¨€ã‚’èª
ohesotori 2012/04/17
*ã‚ã¨ã§

ipv6

IPv4

ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯

network
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v4, v6 dual stackæ™‚ã®DNS cacheã‚µãƒ¼ãƒé¸æŠžã«ã¤ã„ã¦ | ãƒ—ãƒã‚°ãƒ©ãƒ æƒ…å ± | JANOG29 Meeting
æ¦‚è¦ DNS queryã‚’è¡Œã†ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ (PCã‚„HGW) ã«ã¯cacheã‚µãƒ¼ãƒã®ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒè¨å®šã•ã‚Œã¦ã„ã¾ã™ã€‚v4, v6 dualã‚¹ã‚¿ãƒƒã‚¯ãªã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã§ã¯ã€v4ã®cacheã‚µãƒ¼ãƒã¨v6ã®cacheã‚µãƒ¼ãƒãŒè¨å®šã•ã‚Œã‚‹ã“ã¨ãŒå¤šã„ã‚ˆã†ã§ã™ãŒã€ã“ã®äºŒã¤ã®cacheã‚µãƒ¼ãƒã®ä½¿ã„åˆ†ã‘ã«ã¯è‰²ã€…ãªãƒãƒªã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚ã‚Šã¾ã™ã€‚ä»Šå›žã®LTã§ã¯ä»£è¡¨çš„ãªä½¿ã„åˆ†ã‘æ–¹æ³•ã®ä¾‹ç¤ºã¨ãã‚Œãžã‚Œã®ç‰¹å¾´ã‚’åˆ—æŒ™ã—ã¾ã™ã€‚ æ³¨) ä»¥å‰ã‹ã‚‰A,ã¨AAAAã©ã¡ã‚‰ã‚’å…ˆã«å•ã„åˆã‚ã›ã‚‹ã‹ï¼Ÿã¨ã„ã£ãŸé †ç•ªã«ã¤ã„ã¦ã®è°è«–ã¯è¡Œã‚ã‚Œã¦ãã¦ã„ã¾ã—ãŸãŒã€ä»Šå›žã®LTã¯ãã®ä»¶ã§ã¯ãªãã€cacheã‚µãƒ¼ãƒã®é¸æŠžæ–¹æ³•ã‚’è©±é¡Œã«ã—ã¦ã„ã¾ã™ã€‚ ç™ºè¡¨è€…
ohesotori 2012/02/20
janog

dns

ipv6

ipv4
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æ–çµ¶ã‚’ä¹—ã‚Šè¶Šãˆã€ãƒãƒƒãƒˆå´©å£Šã‚’é˜²ã’â€•â€•æ³¢ç”°é‡Ž è£•ä¸€ ï¼ ï¼ IT
ä»Šå›žã¯ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‹ã‚‰ã¯ã¡ã‚‡ã£ã¨å¤–é‡Žã®ç«‹å ´ã‹ã‚‰ãƒ—ãƒã‚°ãƒ©ãƒžã®çš†ã•ã‚“ã«ã€Webã‚µãƒ¼ãƒ“ã‚¹ã®åŸºç›¤ã¨ã‚‚ã„ãˆã‚‹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æš—ã„æœªæ¥:-)ã«ã¤ã„ã¦ãŠè©±ã‚’ã•ã›ã¦ã„ãŸã ã‘ã‚Œã°ã¨æ€ã„ã¾ã™ã€‚ ã„ã¾ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã¯å¤§ããªå²è·¯ã«ç«‹ã£ã¦ã„ã‚‹ã¨ã„ã‚ã‚Œã¦ã„ã¾ã™ã€‚ãã®1ã¤ã¯ä¸‹ä½ãƒ¬ã‚¤ãƒ¤ã®äººãŸã¡ã€ç‰¹ã«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®äººãŸã¡ã®é–“ã§ã¯é•·ã‚‰ãã„ã‚ã‚Œã¦ã„ãŸã€ŒIPv4ã‚¢ãƒ‰ãƒ¬ã‚¹ã®æž¯æ¸‡ã€ã§ã™ã€‚ ã„ã‚ˆã„ã‚ˆå…·ä½“çš„ãªæž¯æ¸‡æ™‚æœŸã‚‚æ˜Žç¢ºã«ãªã£ã¦ãã¦ãŠã‚Šã€æœ€çŸã§ã‚ã¨2å¹´ç¨‹åº¦ã§IPv4ã‚¢ãƒ‰ãƒ¬ã‚¹ã®åœ¨åº«ã¯æ‰•åº•ã—ã€æ–°è¦ã«ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ããªããªã‚‹å¯èƒ½æ€§ãŒé«˜ã¾ã£ã¦ã„ã¾ã™ã€‚ ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹å´ã‹ã‚‰è¦‹ã‚‹ã¨ã€IPv4æž¯æ¸‡ã«ã‚ˆã£ã¦ã‚°ãƒãƒ¼ãƒãƒ«IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å¾—ã‚‹ã“ã¨ãŒã§ããªã‘ã‚Œã°ã€æ–°ã—ã„ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹å ´æ‰€ãŒå¤±ã‚ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ ã‚ãªãŸãŒè‚²ã¦ãŸWebã‚µãƒ¼ãƒ“ã‚¹ã¯ç”Ÿãæ®‹ã‚Œã¾ã™ã‹ï¼Ÿ ä¸€æ–¹ã€ã‚µãƒ¼ãƒ“ã‚¹ã‚’åˆ©ç”¨ã™ã‚‹å´ã§ã¯ã€ã“ã‚Œã‚‰ã‚¢ãƒ‰ãƒ¬ã‚¹ã®æž¯æ¸‡ã‚’å°‘ã—ã§ã‚‚é…ã‚‰ã›
ohesotori 2012/02/02
ipv6
ãƒªãƒ³ã‚¯
Doubt about Ubiquitous Network
ãƒ¦ãƒ“ã‚ã‚¿ã‚¹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¯ç¤¾ä¼šã‚’å¤‰ãˆã‚‹ã‹ï¼Ÿ ã€œãƒãƒ¼ã‚ºã¯ã©ã“ã«ã‚ã‚‹ï¼Ÿã€œ 2004.08.24 10:12ç‰ˆ 2006.11.25 æ”¹è¨‚ æ ªå¼ä¼šç¤¾ãƒªãƒ•ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ï¼ä¸äº¬å¤§å¦æƒ…å ±ç†å·¥å¦éƒ¨æƒ…å ±ã‚·ã‚¹ãƒ†ãƒ å·¥å¦ç§‘ éˆ´æœ¨å¸¸å½¦ ãƒ¦ãƒ“ã‚ã‚¿ã‚¹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æ‹ ã‚Šæ‰€(ã¨æ€ã‚ã‚Œã¦ã„ã‚‹):IPv6æ¦‚èª¬ IPv6: IETF IP Version 6 Working Group (ipv6)ãŒRFC2460 ç‰ã‚’æ¨™æº–åŒ– IPv4ã¨ã®å¯¾æ¯” IPv4 è¡¨è¨˜æ–¹æ³•: 150.42.1.1 ã‚¢ãƒ‰ãƒ¬ã‚¹ã®æž¯æ¸‡ 32bit=43å„„å€‹ã€€< ä¸–ç•Œäººå£60å„„äºº åŒæ–¹å‘æ€§ä¸ååˆ† (ã‚¢ãƒ‰ãƒ¬ã‚¹å¤‰æ›) ãƒ«ãƒ¼ã‚¿ã«è² è· (ãƒ˜ãƒƒãƒ€ãŒå¯å¤‰é•·,çµŒè·¯ã®é›†ç´„ãŒä¸ååˆ†(ç¾åœ¨20ä¸‡è¶…ï¼‰) ã‚¢ãƒ‰ãƒ¬ã‚¹ã®è¨å®šãŒä¸ä¾¿ (DHCPç‰) ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ©Ÿèƒ½ç„¡ã— ååˆ†æ™®åŠã€‚v6ã¸ç§»è¡Œã§ãã‚‹ã‹ï¼Ÿï¼Ÿï¼Ÿ IPv6 è¡¨è¨˜æ–¹æ³•: 2001:DB8:100c:0:0:0:0:1 = 2001:DB8
ohesotori 2012/02/02
ipv6
ãƒªãƒ³ã‚¯
æ—¥æœ¬ã®ISPã®World IPv6 Dayå¯¾å¿œã«ã¤ã„ã¦
kokatsu.jpã¯IPv4/IPv6ãƒ‡ãƒ¥ã‚¢ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã€ipv4.kokatsu.jpã¯IPv4ã‚·ãƒ³ã‚°ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã§æä¾›ã—ã¦ã„ã¾ã™ ä¸–ç•Œã¨æ—¥æœ¬ã®ã‚³ãƒ³ãƒ†ãƒ³ãƒ„äº‹æ¥è€…ã®çš†æ§˜ã¸ IPv4ã‚¢ãƒ‰ãƒ¬ã‚¹æž¯æ¸‡å¯¾å¿œã‚¿ã‚¹ã‚¯ãƒ•ã‚©ãƒ¼ã‚¹ ä»£è¡¨ã€€æ±Ÿå´Ž æµ© 2011å¹´6æœˆ8æ—¥ã«äºˆå®šã•ã‚Œã¦ã„ã‚‹ã€ŒWorld IPv6 Dayã€ã®é–‹å‚¬ã«å‘ã‘ã€æ—¥æœ¬ã®ISPã®World IPv6 Dayå¯¾å¿œç‰ã®çŠ¶æ³ã«ã¤ã„ã¦ã€ä»¥ä¸‹ã®é€šã‚Šã«ã”æ¡ˆå†…ç”³ã—ä¸Šã’ã¾ã™ã€‚ç‰¹ã«ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ãƒ—ãƒãƒã‚¤ãƒ€ãƒ¼ã®çš†æ§˜ã¯ã€ãœã²ã”è¦§ä¸‹ã•ã„ã€‚ ã¾ãŸã€World IPv6 Dayã¨ãã®å¯¾å¿œã«ã¤ã„ã¦ã®è©³ç´°ã¯ã€Œ World IPv6 Dayã¸ã®å¯¾å¿œã«ã¤ã„ã¦(ç¬¬1ç‰ˆ)ã€(PDFã€205kb)ã¨ã—ã¦ã‚‚ã¾ã¨ã‚ã¦ãŠã‚Šã¾ã™ã€‚ã“ã¡ã‚‰ã‚‚ã‚ã‚ã›ã¦ã”è¦§ä¸‹ã•ã„ã€‚ 1ï¼ŽIPv6ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŽ¥ç¶šã®æº–å‚™çŠ¶æ³ æ—¥æœ¬ã®ISPæ¥ç•Œã§ã¯ã€æ•°å¹´å‰ã‚ˆã‚ŠIPv4ã‚¢ãƒ‰ãƒ¬ã‚¹æž¯æ¸‡å¯¾ç–ã®ä¸€ç’°ã¨ã—ã¦ã€IPv6ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŽ¥ç¶šã‚µãƒ¼ãƒ“ã‚¹
ohesotori 2012/01/23
ipv6

IPv4
ãƒªãƒ³ã‚¯
Internet Week 2001ã€€DNSãƒŸãƒ¼ãƒ†ã‚£ãƒ³ã‚° - JPNIC
2001å¹´12æœˆ7æ—¥ï¼ˆé‡‘ï¼‰9:30ï½ž12:30 æ–¼ã€€ãƒ‘ã‚·ãƒ•ã‚£ã‚³æ¨ªæµœ Part1:DNS technical current topics ã€ŒBIND9ã€(41.1KB) æ ªå¼ä¼šç¤¾ã€€æ±èŠã€€ç ”ç©¶é–‹ç™ºã‚»ãƒ³ã‚¿ãƒ¼ã€€ã€€ç¥žæ˜Žã€€é”å“‰ ã€Œdjbdnsã€(92.3KB) æ ªå¼ä¼šç¤¾ã€€æ—¥æœ¬ãƒ¬ã‚¸ã‚¹ãƒˆãƒªã‚µãƒ¼ãƒ“ã‚¹ã€€é–‹ç™ºéƒ¨ã€€ã€€æ£®ä¸‹ã€€æ³°å® ã€ŒDynamic DNS Serviceã€(220KB) æ ªå¼ä¼šç¤¾ã€€ã‚¶ã‚¤ã‚ªãƒ³ã€€ã‚³ãƒ³ã‚µãƒ«ãƒ†ã‚£ãƒ³ã‚°äº‹æ¥éƒ¨ã€€ã€€æµ…é‡Žã€€æ–°ä¸€ Part2:DNS operation information exchange ã€ŒM Root DNSã€€ã«ã¤ã„ã¦ã€(76KB) WIDE Project/æ±äº¬å¤§å¦ã€€ã€€åŠ è—¤ã€€æœ— ã€ŒJP DNSã€€ã‚µãƒ¼ãƒã®ç¾çŠ¶ã€(70.7KB) æ ªå¼ä¼šç¤¾ã€€æ—¥æœ¬ãƒ¬ã‚¸ã‚¹ãƒˆãƒªã‚µãƒ¼ãƒ“ã‚¹ã€€ã‚·ã‚¹ãƒ†ãƒ éƒ¨ã€€ã€€ä½è—¤ã€€æ–°å¤ª ã€ŒIPv6 DNSã€€ã®ç¾çŠ¶ã€(26.9KB) æ ªå¼ä¼šç¤¾ã€€æ±èŠã€€ç ”ç©¶é–‹ç™ºã‚»ãƒ³ã‚¿ãƒ¼ã€€ã€€ç¥žæ˜Žã€€é”
ohesotori 2012/01/22
dns

ipv6

WIDE
ãƒªãƒ³ã‚¯
itojun.org
$Id: itojun.j.html,v 1.96 2007/10/17 12:23:24 itojun Exp $ Would like to switch to English page? Tap the hyperlink on the lefthand side. itojun.orgã¯ç ”ç©¶è€…/ãƒ—ãƒã‚°ãƒ©ãƒžã®è©é‡Ž"ã„ã¨ã¢ã‚…ã‚“"ç´”ä¸€éƒŽã«ã‚ˆã£ã¦ é‹å–¶ã•ã‚Œã¦ã„ã¾ã™ã€‚ ã£ã¦è¨€ã£ã¦ã‚‚å˜ã«å€‹äººã§ã‚„ã£ã¦ã‚‹ã ã‘ã§ã™ã€‚ (è¨»: 1998å¹´12æœˆ22æ—¥ä»¥å‰ã¯ä¼Šè—¤"ã„ã¨ã¢ã‚…ã‚“"ç´”ä¸€éƒŽã§ã—ãŸ) What's new? 2007/10/11: æ—¥æœ¬å·¥å¦é™¢å…«çŽ‹åã‚ãƒ£ãƒ³ãƒ‘ã‚¹ã§IPv6ã«ã¤ã„ã¦è¬›æ¼”ãŒæ±ºã¾ã‚Šã¾ã—ãŸã€‚ (2007/11/22) 2007/10/06: ã€ŒIPv6ã¨ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£100ã®è³ªå•ã€ (OSC2007 tokyo/fall) 2007/10/05: "The Internet: Back to t
ohesotori 2012/01/22
ipv6

itojun
ãƒªãƒ³ã‚¯
The KAME project
The KAME project was a joint effort of six companies in Japan to provide a free stack of IPv6, IPsec, and Mobile IPv6 for BSD variants.
ohesotori 2012/01/22
kame

ipv6
ãƒªãƒ³ã‚¯
IPv6style:Windows XPã§IPv6ã‚’ä½“é¨“ã—ã‚ˆã†ï¼ã€€ç¬¬1å›žã€€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨è¨å®šã®ç¢ºèª
å½“è¨˜äº‹ã§ç´¹ä»‹ã—ã¦ã„ã‚‹VPNã‚µãƒ¼ãƒ“ã‚¹ã¯ã€ä»¥ä¸‹ã®åŸºæº–ã‚’å…ƒã«é¸å®šã—ã¦ã„ã¾ã™ã€‚ è¨˜äº‹åŸ·ç†è€…ãŒå®Ÿéš›ã«åˆ©ç”¨ã—ãŸè©•ä¾¡ VPNã‚µãƒ¼ãƒ“ã‚¹ã‚’åˆ©ç”¨ã—ãŸãƒ¦ãƒ¼ã‚¶ãƒ¼ã®è©•ä¾¡ VPNã‚µãƒ¼ãƒ“ã‚¹ã®ä¿¡é ¼åº¦ ä¾¡æ ¼ã¨æ€§èƒ½ãŒä¸¡ç«‹ã§ãã¦ã„ã‚‹ã‹ -ã€Œè¨˜äº‹åŸ·ç†è€…ãŒå®Ÿéš›ã«åˆ©ç”¨ã—ãŸè©•ä¾¡ã€ã«ã¤ã„ã¦- è¨˜äº‹åŸ·ç†è€…ãŒå®Ÿéš›ã«ç´¹ä»‹ã—ã¦ã„ã‚‹VPNã‚µãƒ¼ãƒ“ã‚¹ã‚’åˆ©ç”¨ã—ã¦ã¿ã¦ã€ãŠã™ã™ã‚ã§ãã‚‹ã‹ã©ã†ã‹ã®ç‹¬è‡ªã®è©•ä¾¡ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ -ã€ŒVPNã‚µãƒ¼ãƒ“ã‚¹ã‚’åˆ©ç”¨ã—ãŸãƒ¦ãƒ¼ã‚¶ãƒ¼ã®è©•ä¾¡ã€ã«ã¤ã„ã¦- é¸å®šã—ãŸVPNã‚µãƒ¼ãƒ“ã‚¹ã‚’å®Ÿéš›ã«åˆ©ç”¨ã—ãŸãƒ¦ãƒ¼ã‚¶ãƒ¼ã®è©•ä¾¡ã‚’ãƒªã‚µãƒ¼ãƒã—ã¦ã€é«˜ã„è©•ä¾¡ã‚’å—ã‘ã¦ã„ã‚‹VPNã‚µãƒ¼ãƒ“ã‚¹ã‚’é¸å®šã—ã¦ã„ã¾ã™ã€‚ -ã€ŒVPNã‚µãƒ¼ãƒ“ã‚¹ã®ä¿¡é ¼åº¦ã€ã«ã¤ã„ã¦- ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£é¢ã‚„çŸ¥ååº¦ãªã©ã§ã—ã£ã‹ã‚Šã¨ä¿¡é ¼ã§ãã‚‹VPNã‚µãƒ¼ãƒ“ã‚¹ã‹ã©ã†ã‹ã‚’ãƒªã‚µãƒ¼ãƒã—ã¦é¸å®šã—ã¦ã„ã¾ã™ã€‚ -ã€Œä¾¡æ ¼ã¨æ€§èƒ½ãŒä¸¡ç«‹ã§ãã¦ã„ã‚‹ã‹ã€ã«ã¤ã„ã¦- åˆ©ç”¨ã™ã‚‹ä¾¡æ ¼ã«å¯¾ã—ã¦VPNã‚µãƒ¼ãƒ“ã‚¹ã¨ã—ã¦ã®æ©Ÿèƒ½ã¯å……åˆ†ãªã®ã‹ã€ã‚³ã‚¹ãƒˆãƒ‘ãƒ•ã‚©ãƒ¼ãƒž
ohesotori 2012/01/19
ipv6

ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯

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