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DNSã«é–¢ã™ã‚‹reponã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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å›ºå®šIPæ–™é‡‘ã‚’ã‚±ãƒã£ã¦ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆVPNã‚’ã©ã†ã—ã¦ä½¿ãˆã‚‹ã®ï¼Ÿ
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repon 2017/11/30
VPN

DNS

ipsec
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nslookup(dig)ãƒ†ã‚¹ãƒˆã€DNSã‚µãƒ¼ãƒæŽ¥ç¶šç¢ºèªã€‘ã¯ã€ã‚µãƒ¼ãƒãƒ¼ç›£è¦–è€…å‘ã‘ã«ã”æä¾›ã—ã¦ã„ã¾ã™ã€‚ ã”æŒ‡å®šã®ãƒ›ã‚¹ãƒˆã¾ãŸã¯IPã‚¢ãƒ‰ãƒ¬ã‚¹ã«ã€å½“ç¤¾ã‚µãƒ¼ãƒãƒ¼ã§ã‚³ãƒžãƒ³ãƒ‰ã‚’ç™ºè¡Œã—DNSæƒ…å ±ã®å–å¾—ã‚’è¡Œã„ã¾ã™ã€‚ å•ã„åˆã‚ã›ã‚‹DNSã‚’æŒ‡å®šã™ã‚‹ã“ã¨ã§ã€å¤–éƒ¨ï¼ˆã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆï¼‰ã‹ã‚‰DNSå¿œç”ãŒæ£å¸¸å‡ºæ¥ã‚‹ã‹ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ nslookup slookupã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã—DNSå•ã„åˆã‚ã›ã‚’ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ dig digã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã—DNSå•ã„åˆã‚ã›ã‚’ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã€Œdigã€ã§ã€ŒPTRï¼ˆé€†å¼•ãï¼‰ã€ã‚’æŒ‡å®šã—ãŸå ´åˆã€å…¥åŠ›ã•ã‚ŒãŸIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’in-addr.arpaã«è‡ªå‹•å¤‰æ›ã—ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œã—ã¾ã™ã€‚ ã”æŒ‡å®šã®ãƒ›ã‚¹ãƒˆå(FQDN)ã«DNSå•ã„åˆã‚ã›ã‚’è¡Œã„çµæžœã‚’è¡¨ç¤ºã—ã¾ã™ã€‚ è©²å½“ãƒ›ã‚¹ãƒˆã®DNSã«å®Ÿéš›ã«ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã¾ã™ã®ã§ãƒã‚°ãŒæ®‹ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ DNSå•ã„åˆã‚ã›çµæžœå–å¾—ã¾ã§ã«30ç§’ç¨‹åº¦ã‹ã‹ã‚‹å ´
repon 2013/07/19
nslookup

DNS

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server

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repon 2013/02/11
bind

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DNS

freebsd
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dscacheutil ã‚’ç›´ãå¿˜ã‚Œã¦ã—ã¾ã†ã®ã§ãƒ¡ãƒ¢ # Hoster ä½¿ãˆã°ã„ã„ã‚“ã ã‘ã©ã€è¶£å‘³ã§ã‚„ã‚‹ã¨ãã¯ã‚³ãƒžãƒ³ãƒ‰ä½¿ã„ãŸã„ã®ã§ãƒ»ãƒ» Leopard ã‚ˆã‚Šå‰ $ sudo vi /etc/hosts $ sudo lookupd -flushcache Leopard, Snow Leopard $ sudo vi /etc/hosts $ sudo dscacheutil -flushcache Lion $ sudo vi /private/etc/hosts $ dscacheutil -flushcache (ã‚‚ã—ãã¯ sudo killall -HUP mDNSResponder )
repon 2012/10/24
dns

mac
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