[B! dns] korinã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

korin id:korin

dnsã«é–¢ã™ã‚‹korinã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (23)

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NSD å±±å£å´‡å¾³@IIJ DNS Summer Day 2016 è‡ªå·±ç´¹ä»‹ â€¢ IIJã¨ã„ã†ã¨ã“ã‚ã«ã„ã¾ã™ â€“ ã‚µãƒãƒ¼ãƒˆå±‹ã•ã‚“ã«ã‚¸ãƒ§ãƒ–ãƒã‚§ãƒ³ã‚¸ã—ã¾ã—ãŸ â€“ é‹ç”¨ã®ãŠä»•äº‹ã¯ã»ã¼å¼•é€€ â€¢ æœ€åˆã®DNSã®ãŠä»•äº‹ã¯ BIND4 â†’ BIND8 ã®ç§»è¡Œ â€“ å‰ä¸–ç´€æœ« â€¢ ã»ã‹ã« DNS ã‚’æ‹…å½“ã™ã‚‹äººãŒã„ãªãã¦æŠ¼ã—ã¤ã‘ã‚‰ã‚ŒãŸã ã‘ã ã£ ãŸã®ã«ã€æ°—ãŒã¤ã‘ã°ã¯ã‚„å¹¾å¹´â€¦ â€¢ ãŠä»•äº‹ã§ã¯ NSD ã¯(ã¾ã )ä½¿ã£ã¦ã¾ã›ã‚“ â€“ ãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆã§ã¯ 2.0 ã®ã“ã‚ã‹ã‚‰(ã‚‚ã†10å¹´ä»¥ä¸Š) NSDã¨ã¯? â€¢ NLNetLabs ã¨ RIPE NCC å…±åŒé–‹ç™ºã«ã‚ˆã‚‹æ¨©å¨ DNS ã‚µãƒ¼ãƒ â€“ http://www.nlnetlabs.nl/projects/nsd/ â€¢ [HKL].root-servers.net ãªã©ã§ç¨¼å‹• â€“ ãƒ«ãƒ¼ãƒˆã‚µãƒ¼ãƒã§ã‚‚ç¨¼å‹•å®Ÿç¸¾ãŒã‚ã‚‹ã€ã¨ã„ã†ã‚ˆã‚Šã€ãƒ«ãƒ¼ãƒˆã‚µãƒ¼ãƒã§ ä½¿ã†ã“ã¨ãŒãã‚‚ãã‚‚ã®é–‹ç™ºã®ç›®çš„ â€¢
korin 2019/01/31
DNS
ãƒªãƒ³ã‚¯
https://dnsops.jp/event/20130719/20130719-dns-design-yamaguchi-1.pdf
korin 2019/01/31
DNS
ãƒªãƒ³ã‚¯
DNS-design-operation-higashi_v2
# named -c /dev/null ! # unbound -c /dev/null ! ! ! ! ! access-list 100 permit udp any any eq 53 server 192.0.2.1 { edns-udp-size 1220; }; options { edns-udp-size 1220; }; edns-buffer-size: 1220; dig @192.0.2.1 www.example.com A +norec +dnssec +bufsize=4096 dig @192.0.2.1 www.example.com A +norec +dnssec +bufsize=1220 $ dig www.kernel.org ! ;; QUESTION SECTION: ;www.kernel.org. IN A ! ;; ANSWER SE
korin 2017/07/27
dns
ãƒªãƒ³ã‚¯
ã©ã•ã«ã£ã
â– root KSK ãƒãƒ¼ãƒ«ã‚ªãƒ¼ãƒãƒ¼ _ æ–°èžã¯ãã£ã¡æ–¹é¢ã®å°‚é–€å®¶ã§ãªã„äººã«ã‚‚ãƒ‹ãƒ¥ãƒ¼ã‚¹ã‚’å±Šã‘ã‚‹å¿…è¦ãŒã‚ã‚‹ã®ã§ã€é›£ã—ã„å†…å®¹ã‚‚å™›ã¿ç •ã„ã¦èª¬æ˜Žã™ã‚‹å¿…è¦ãŒã‚ã£ã¦ã€ãã®çµæžœã¾ã‚ã‚Šãã©ã„èª¬æ˜Žã«ãªã£ã¡ã‚ƒã†ã“ã¨ãŒã‚ã‚‹ã®ã¯ç†è§£ã—ã¦ã„ã‚‹ã€‚äº‹æƒ…ã¯ã‚ã‹ã£ã¦ã‚‹ã®ã§ã€ãµã ã‚“ã¯ãã†ã„ã†è¨˜äº‹ã‚’è¦‹ã¤ã‘ã¦ã‚‚è¨˜è€…ã•ã‚“è‹¦å¿ƒã—ãŸã‚“ã ã‚ã†ãªã€ã¨ã‚ãŸãŸã‹ã„ç›®ã§è¦‹ã‚‹ã‚ˆã†ã«ã—ã¦ã„ã‚‹ã€‚ãŒã€ã„ãã‚‰ãªã‚“ã§ã‚‚ ã“ã‚Œã¯ã²ã©ã„ã€‚å™›ã¿ç •ã„ã¦èª¬æ˜Žã™ã‚‹ã®ã«è‹¦å¿ƒã—ãŸã®ã¯ã™ã”ãã‚ˆãä¼ã‚ã£ã¦ãã‚‹ã€‚ã—ã‹ã—ãã®æŒ‘æˆ¦ã«ã‚‚ã‹ã‹ã‚ã‚‰ãšç´ äººã•ã‚“ãŒç†è§£ã§ãã‚‹å†…å®¹ã«ãªã£ã¦ã„ã‚‹ã¨ã¯åˆ°åº•æ€ãˆãªã„ã—ã€ã‚ã‹ã‚Šã‚„ã™ã„èª¬æ˜Žã®ãŸã‚ã«å°‚é–€ç”¨èªžã‚’ä½¿ã£ã¦ã„ãªã„ãŸã‚ã€ãã£ã¡æ–¹é¢ã‚’ç†è§£ã—ã¦ã„ã‚‹äººã«å¯¾ã—ã¦ã•ãˆæ„å‘³ä¸æ˜Žã€‚ã“ã®è¨˜äº‹ã®å†…å®¹ã‚’äº‹å‰ã«çŸ¥ã£ã¦ã„ãŸäºº(=è¨˜äº‹ã‚’èªã‚€å¿…è¦ãŒãªã„äºº)ãŒä½•åº¦ã‹èªã¿ç›´ã—ã¦ã€Œã‚ã‚ã€ã‚ã®ã“ã¨ã‹ã€ã¨æ°—ãŒã¤ãã®ãŒã‚„ã£ã¨ã€‚èª°ã«å¯¾ã—ã¦ã‚‚å˜åœ¨ã™ã‚‹ä¾¡å€¤ã®ãªã„è¨˜äº‹ã«ãªã£ã¡ã‚ƒã£ã¦ã‚‹ã€‚ã‚‚ã†ã™ã“ã—ä½•ã¨
korin 2017/07/27
dns
ãƒªãƒ³ã‚¯
Norton ConnectSafe
Retirement Announcement for Norton TM ConnectSafe On November 15, 2018, Norton ConnectSafe service is being retired or discontinued meaning the service will no longer be available or supported. You may continue to use ConnectSafe until November 15, 2018. However, we do recommend that you take a moment to review important details related to this announcement below. ConnectSafe Retirement FAQ For co
korin 2015/04/15
DNS

PC

Security
ãƒªãƒ³ã‚¯
Consulã«ã‚ˆã‚‹MySQLãƒ•ã‚§ãƒ¼ãƒ«ã‚ªãƒ¼ãƒãƒ¼ - @ijin
å…ˆæ—¥(6/22/14)ã€6æœˆãªã®ã«ã©ã†ã„ã†åˆ†ã‘ã‹æ—©ã‚ã«é–‹å‚¬ã•ã‚ŒãŸJuly Tech Festa 2014ã§Consulã«ã¤ã„ã¦ç™ºè¡¨ã—ã¦ããŸã€‚ãã®ãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã®ä¸€ã¤ã¨ã—ã¦MySQL failoverã‚’ã¡ã‚‡ã£ã¨ã ã‘ç´¹ä»‹ã—ãŸã®ã§ã€ã“ã“ã«è©³ã—ãæ›¸ã„ã¦ãŠãã€‚ MHA MySQLãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®éšœå®³æ™‚ã«ãƒ•ã‚§ãƒ¼ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã—ãŸã„å ´åˆã€MHAã‚’ä½¿ã†ã®çµæ§‹ãƒãƒ”ãƒ¥ãƒ©ãƒ¼ï¼ˆæ—¥æœ¬ã§ã¯ï¼‰ã ã¨æ€ã„ã¾ã™ã€‚MHAã¯æœ€æ–°binlogã®é©ç”¨ã€Slaveã®æ˜‡æ ¼ã¨ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å¼µæ›¿ãˆã¾ã§ã¯ã‚„ã£ã¦ãã‚Œã¾ã™ãŒã€å®Ÿéš›ã®ãƒ•ã‚§ãƒ¼ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã®éƒ¨åˆ†ã¯ãƒ¦ãƒ¼ã‚¶ã«å§”ãã‚‰ã‚Œã¦ã„ã¦ã€master_ip_failover_scriptã®ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚’ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã™ã‚‹ã‹ç‹¬è‡ªå®Ÿè£…ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã€ä¸€èˆ¬çš„ãªå®Ÿç¾æ–¹æ³•ã¨ã—ã¦ã¯ã‚«ã‚¿ãƒã‚°ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ›´æ–°ã‹Virtual IPã®åˆ‡æ›¿ç‰ãŒã‚ã‚Šã¾ã™ã€‚ Virtual IPã ã¨å±…æ®‹ã‚Šã‚»ãƒƒã‚·ãƒ§ãƒ³ã®å•é¡Œã‚„åˆ‡æ›¿ã®ä¿è¨¼é›£ã—ã‹ã£ãŸã‚Š
korin 2014/07/11
DNS

HA

consul
ãƒªãƒ³ã‚¯
Stray Penguin - Linux Memo (Dynamic DNS)
ã“ã®ã‚µã‚¤ãƒˆã¯ã€ã‚‚ã¨ã‚‚ã¨ä½œè€…ã®è‡ªåˆ†ç”¨ãƒ¡ãƒ¢ã¨ã—ã¦æ›¸ãå§‹ã‚ãŸã‚‚ã®ã§ã™ã€‚æ›¸ã„ã¦ã‚ã‚‹ã“ã¨ãŒå…¨ã¦æ£ã—ã„ã¨ã¯é™ã‚Šã¾ã›ã‚“ã€‚ä»–ã®æ–‡çŒ®ã€ã‚ªãƒ•ã‚£ã‚·ãƒ£ãƒ«ãªã‚µã‚¤ãƒˆã‚‚ç¢ºèªã—ã¦ã€è‡ªå·±è²¬ä»»ã«ã¦åˆ©ç”¨ã—ã¦ãã ã•ã„ã€‚ Table of Contents ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯DNSã¨ã¯ ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯DNSã‚µãƒ¼ãƒ“ã‚¹ã®è¨å®š ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯DNSå´ã®è¨å®š ãƒ¬ã‚¸ã‚¹ãƒˆãƒ©ã®ãƒãƒ¼ãƒ ã‚µãƒ¼ãƒã®è¨å®š DNSè¨å®šã®ãƒ†ã‚¹ãƒˆ ãƒ«ãƒ¼ã‚¿ã®è¨å®š ddclient ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ddclient.conf ã®ç·¨é›† ã†ã¾ãã„ã‹ãªã„æ™‚ã®å¯¾å‡¦æ³• IP èªã¿å–ã‚Šç³»ã®ãƒˆãƒ©ãƒ–ãƒ« ã¾ãšã¯ãƒ‡ãƒã‚°ãƒ†ã‚¹ãƒˆ å¯¾å‡¦æ³• 1. odd-fw ãƒ‘ãƒƒãƒ å¯¾å‡¦æ³• 2. use=web ã‹ use=cmd ã«ä½œæˆ¦å¤‰æ›´ ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯DNSã¨ã¯ å›ºå®šIPã‚’å–å¾—ã™ã‚‹ã“ã¨ãªãã€ãƒ—ãƒãƒã‚¤ãƒ€ã‹ã‚‰å‹•çš„ã«å‰²ã‚ŠæŒ¯ã‚‰ã‚Œã¦ã„ã‚‹ã‚°ãƒãƒ¼ãƒãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ä½¿ç”¨ã—ã¦ã€ã‚ãŸã‹ã‚‚å›ºå®šIPã®å¦‚ãã€å…¨ä¸–ç•Œã‹ã‚‰DNSåå‰è§£æ±ºã‚’å—ã‘ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ å®Ÿ
korin 2013/12/16
ddns

dns

ip
ãƒªãƒ³ã‚¯
Dynamic DNSã®åŸºç¤Žã¨nsupdateã‚³ãƒžãƒ³ãƒ‰
ã“ã“ã§ã¯ã€å‰è¿°ã®updateè¨±å¯ã¨forwardè¨±å¯ã«ACLï¼ˆã‚¢ã‚¯ã‚»ã‚¹ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ãƒªã‚¹ãƒˆï¼‰ã‚’ç”¨ã„ã¾ã™ã€‚ãƒžã‚¹ã‚¿ãƒ¼ãƒ»ã‚¾ãƒ¼ãƒ³ã‚µãƒ¼ãƒã«ã¯updateè¨±å¯ã‚’ã€ã‚¹ãƒ¬ãƒ¼ãƒ–ãƒ»ã‚¾ãƒ¼ãƒ³ã‚µãƒ¼ãƒã«ã¯forwardè¨±å¯ã‚’è¨å®šã—ã¾ã™ã€‚ã‚¾ãƒ¼ãƒ³è»¢é€ã«å¿…è¦ãªè¨å®šã«ã¤ã„ã¦ã¯ã€ç¬¬5å›žã‚‚å‚ç…§ãã ã•ã„ã€‚ ###ACLã€Œexample-netã€ã®å®šç¾©ï¼ˆæ³¨ï¼‰### aclÂ example-netÂ { 192.168.20.21;Â Â #ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®IPï¼ˆãƒ›ã‚¹ãƒˆã®IPã‚’æŒ‡å®šã—ãŸä¾‹ï¼‰ 192.168.10.2;Â Â Â #ã‚¹ãƒ¬ãƒ¼ãƒ–ãƒ»ã‚µãƒ¼ãƒã®IPï¼ˆãƒ›ã‚¹ãƒˆã®IPã‚’æŒ‡å®šã—ãŸä¾‹ï¼‰ 192.168.0/24;Â Â Â #ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å«ã‚€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ‰ãƒ¬ã‚¹ï¼ˆãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å˜ä½ã§æŒ‡å®šã—ãŸä¾‹ï¼‰ 192.168.20.0/27;#ã‚¯ãƒ©ã‚¹Cæœªæº€ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æŒ‡å®šã‚‚å¯èƒ½ }; zoneÂ "example.jp"Â { typeÂ master; fileÂ "exampl
korin 2013/06/20
nsupdateã®ä½¿ã„æ–¹

dns

bind
ãƒªãƒ³ã‚¯
ã€Œ8.8.8.8,8.8.4.4ã€ã‚ˆã‚Šé€Ÿã„ã€Œ129.250.35.250ã€
iPhoneã®DNSã®è¨å®šå¤‰æ›´ãŒè©±é¡Œã«ãªã£ã¦ã„ã‚‹ã‚ˆã†ãªã®ã§ã€ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã®é€Ÿã„DNSã‚µãƒ¼ãƒãŒãªã„ã‹èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ä¾¿ä¹—è¨˜äº‹ã§ã™ã€‚ ãƒã‚¿ãƒ•ãƒ« - iPhoneã®WiFiæŽ¥ç¶šã‚’é«˜é€ŸåŒ–ã™ã‚‹é”æ³•ã®æ•°å—ã€Œ8.8.8.8,8.8.4.4ã€ æ¸¬å®šãƒ„ãƒ¼ãƒ«ã¯Windowsç”¨ã®ã€ŒDNS Nameserver Performance Benchmarkã€ã§ã™ã€‚ãƒ„ãƒ¼ãƒ«ã®è©³ç´°ã¯å‰²æ„›ã—ã¾ã™ãŒã€æ¸¬å®šã™ã‚‹ã«ã¯ä¸‹ã®ã‚¹ã‚¯ãƒªãƒ¼ãƒ³ã‚·ãƒ§ãƒƒãƒˆã®ã€ŒNameserversã€ã‚¿ã‚°ã®å³å´ã«ã‚ã‚‹ã€ŒRun Benchmarkã€ã‚’ã‚¯ãƒªãƒƒã‚¯ã™ã‚‹ã ã‘ã§ã™ã€‚ Bãƒ•ãƒ¬ãƒƒãƒ„æŽ¥ç¶šã®PCã§æ¸¬å®šã—ã¦ã„ã¾ã™ã€‚ ï¼‘ï¼Žãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœ ã¾ãšã¯ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœã‚’ã”è¦§ãã ã•ã„ï¼ˆã‚¯ãƒªãƒƒã‚¯ã™ã‚Œã°ã¡ã‚‡ã£ã¨æ‹¡å¤§ã—ã¾ã™ï¼‰ã€‚ æ¸¬å®šã—ã¦ã„ã‚‹å€¤ã¯æ¬¡ã®3ç¨®é¡žã§ã™ã€‚ãã‚Œãžã®ã‚Œã®æ„å‘³ã«ã¤ã„ã¦ã¯ã€Œç§å®¶ç‰ˆ ITãƒ—ãƒãƒ•ã‚§ãƒƒã‚·ãƒ§ãƒŠãƒ«ã®ä»•äº‹è¡“ - GRCã®DNS Benchmarkã§DNSã‚’ã‚¹ãƒ”ãƒ¼ãƒ‰ã‚¢ãƒƒãƒ—
korin 2011/09/17
DNS
ãƒªãƒ³ã‚¯
DNS Rebinding ï½žä»Šæ—¥ã®ç”¨èªžç‰¹åˆ¥ç‰ˆï½ž
è£œè¶³ ã“ã®è¨˜äº‹ã¯æ—§å¾³ä¸¸æµ©ã®æ—¥è¨˜ã‹ã‚‰ã®è»¢è¼‰ã§ã™ã€‚å…ƒURLã€ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ã€ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯1ã€ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯2ã€‚ å‚™å¿˜ã®ãŸã‚è»¢è¼‰ã„ãŸã—ã¾ã™ãŒã€ã“ã®è¨˜äº‹ã¯2007å¹´11æœˆ26æ—¥ã«å…¬é–‹ã•ã‚ŒãŸã‚‚ã®ã§ã€å½“æ™‚ã®å¾³ä¸¸ã®è€ƒãˆã‚’ç¤ºã™ã‚‚ã®ã‚’ã€åŸºæœ¬çš„ã«å†…å®¹ã‚’å¤‰æ›´ã›ãšã«ãã®ã¾ã¾è»¢è¼‰ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ è£œè¶³çµ‚ã‚ã‚Š æ¥½å¤©ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹2007ã«ã¦ã€ã‚«ãƒ¼ãƒã‚®ãƒ¼ãƒ¡ãƒãƒ³å¤§å¦æ—¥æœ¬æ ¡ã®æ¦ç”°åœå²å…ˆç”Ÿã®è¬›æ¼”ã‚’è´è¬›ã—ã¦ã€DNS Rebindingã®èª¬æ˜ŽãŒã¨ã¦ã‚‚åˆ†ã‹ã‚Šã‚„ã™ã‹ã£ãŸã®ã§ã€ã“ã“ã«å†ç¾ã‚’è©¦ã¿ã‚‹(æ–‡è²¬ã¯å¾³ä¸¸ã«ã‚ã‚‹)ã€‚ DNS Rebindingã¨ã¯ DNS Rebindingã¯ã€DNSã®è¿”ã™IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å·§å¦™ã«å¤‰åŒ–ã•ã›ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€JavaScriptã‚„Javaã‚¢ãƒ—ãƒ¬ãƒƒãƒˆãªã©ã®same origin policyã‚’ç ´ã‚Šã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‹ã‚‰ãƒãƒ¼ã‚«ãƒ«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯(é€šå¸¸å¤–éƒ¨ã‹ã‚‰ã¯ã‚¢ã‚¯ã‚»ã‚¹ã§ããªã„)ãªã©ã«å¯¾ã—ã¦ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹æ‰‹æ³•
korin 2010/03/02
dns

security
ãƒªãƒ³ã‚¯
[D]Â namebench ~ ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ DNSãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ ~
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korin 2009/12/16
performance

network

dns
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What DNS Is Not - ACM Queue
Paul Vixie, Internet Systems Consortium DNS is many things to many peopleâ€”perhaps too many things to too many people. DNS (Domain Name System) is a hierarchical, distributed, autonomous, reliable database. The first and only of its kind, it offers realtime performance levels to a global audience with global contributors. Every TCP/IP traffic flow including every World Wide Web page view begins wit
korin 2009/11/08
DNS
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korin 2009/10/26
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korin 2009/07/19
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é€†å¼•ããƒãƒ¼ãƒ ã‚µãƒ¼ãƒã®é©åˆ‡ãªè¨å®šã«ã¤ã„ã¦ - JPNIC
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korin 2009/06/19
dns
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Syun | We provide professional Internet solution for you to smile.
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korin 2009/03/08
vista

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korin 2009/03/08
mydns

loadbalancing

dns
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korin 2008/11/27
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named
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korin 2008/11/27
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