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iptablesã«é–¢ã™ã‚‹udzuraã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (11)

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Kubernetes ã§æ„å›³çš„ã«éšœå®³ã‚’èµ·ã“ã—ãŸã‚‰ã©ã†ãªã‚‹ã®ã‹ï¼Ÿ | ã¯ã£ãŸã‚Šã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®å‚™å¿˜éŒ²
Kubernetes ã‚’æœ¬æ ¼çš„ã«ä½¿ã£ã¦ã„ãã«ã‚ãŸã‚Š Kubernetes ã®è£å´ã®ä»•çµ„ã¿ã‚’å‹‰å¼·ã—ã¦ã„ã¾ã™ã€‚æŠ½è±¡åŒ–ãŒé€²ã¿ãƒ–ãƒ©ãƒƒã‚¯ãƒœãƒƒã‚¯ã‚¹ã«ãªã£ã¦ã„ã‚‹ã‚‚ã®ã‚’ä½•ã¨ãªãã®çŸ¥è˜ã§é‹ç”¨ã™ã‚‹ã®ã¯æ€–ã„ã‹ã‚‰ã§ã™ã€‚ä»•çµ„ã¿ã‚’ã¡ã‚ƒã‚“ã¨ç†è§£ã—ã¦ã„ã‚‹ã‹ã©ã†ã‹ã¯éšœå®³æ™‚ã«ã¯ã£ãã‚Šã¨ç¾ã‚Œã¾ã™ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€Kubernetes ã§æ„å›³çš„ã«éšœå®³ã‚’èµ·ã“ã—ãŸã‚‰ã©ã†ãªã‚‹ã®ã‹è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ä»Šå›žã¯ç‰¹æ®Šãª Node éšœå®³ã‚’æƒ³å®šã—ã¦ã€Kubernetes ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã§é‡è¦ãªå½¹å‰²ã‚’æ‹…ã£ã¦ã„ã‚‹ iptables ã®ãƒ«ãƒ¼ãƒ«ãŒã™ã¹ã¦æ¶ˆãˆãŸã¨ã„ã†æƒ³å®šã§ã™ã€‚ ãªãŠã€ã“ã®æ¤œè¨¼ã§ä½¿ã£ãŸ Dockerfile ã‚„ Kubernetes ã® Manifest ãƒ•ã‚¡ã‚¤ãƒ«ã¯ GitHub ã§å…¬é–‹ã—ã¦ã„ã¾ã™ã€‚ Docker ã‚¤ãƒ¡ãƒ¼ã‚¸ã‚‚ Docker Hub ã® Public ãƒªãƒã‚¸ãƒˆãƒªã«ã‚ã‚‹ã®ã§ã€Kubernetes ã‚¯ãƒ©ã‚¹ã‚¿ã•ãˆã‚ã‚Œã°ã™ãã«è©¦ã™ã“ã¨ãŒã§ã
udzura 2018/02/26
iptables

kubernetes
ãƒªãƒ³ã‚¯
ãƒãƒ¼ãƒˆãƒŽãƒƒã‚ãƒ³ã‚°ã§10ç§’é–“ã ã‘sshdã‚’å…¬é–‹ã™ã‚‹è¨å®š - hnwã®æ—¥è¨˜
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udzura 2017/03/29
iptables

linux

network
ãƒªãƒ³ã‚¯
ã‚³ãƒ³ãƒ†ãƒŠã«ã‚ˆã‚‹LVS-Webæ§‹æˆ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
ã¯ã˜ã‚ã« KLabã•ã‚“ã®å”åŠ›ä¼šç¤¾ã¨ã—ã¦ä¸€ç·’ã«ãŠä»•äº‹ã‚’ã•ã›ã¦é ‚ã„ã¦ãŠã‚Šã¾ã™ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã¨ç”³ã—ã¾ã™ã€‚ä»Šå›žã¯ã‚³ãƒ³ãƒ†ãƒŠã‚’åˆ©ç”¨ã—ãŸLVS-Webæ§‹æˆã®æ§‹ç¯‰ã‚’è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ å¾“æ¥ã®ç‰©ç†ã‚µãƒ¼ãƒã‚’ä»®æƒ³ãƒžã‚·ãƒ³ã‚„ã‚³ãƒ³ãƒ†ãƒŠã§ç½®ãæ›ãˆã€1ã¤ã®ç‰©ç†ã‚·ã‚¹ãƒ†ãƒ ä¸Šã«è¤‡æ•°ã®ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã—ãŸã‚Šã€å¿…è¦ã«å¿œã˜ã¦å‹•çš„ã«ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹ãªã©ã®ã“ã¨ã¯æœ€è¿‘ã¨ã¯ã„ã‚ãšã‚ˆããŠã“ãªã‚ã‚Œã¦ã„ã¾ã™ã€‚ã‚³ãƒ³ãƒ†ãƒŠã¯ãã®ãƒ•ãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è»½ã•ã‹ã‚‰ã“ã‚Œã‚‰ã®ç”¨é€”ã«ã¨ãã«æœ‰åŠ¹ã§ã™ã€‚ ã‚³ãƒ³ãƒ†ãƒŠã¯Namespaceã‚„cgroupãªã©ã®æŠ€è¡“ã‚’åˆ©ç”¨ã—ã¦ç‹¬ç«‹ã—ãŸãƒªã‚½ãƒ¼ã‚¹ã‚’ã‚³ãƒ³ãƒ†ãƒŠæ¯Žã«ç¢ºä¿ã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šä»®æƒ³åŒ–ç’°å¢ƒã‚’æä¾›ã™ã‚‹ä¸€æ–¹ã€ã‚«ãƒ¼ãƒãƒ«è‡ªä½“ã¯ãƒ›ã‚¹ãƒˆã®ã‚«ãƒ¼ãƒãƒ«ã‚’ãƒ›ã‚¹ãƒˆã®ä¸Šã®ã™ã¹ã¦ã®ã‚³ãƒ³ãƒ†ãƒŠã§å…±ç”¨ã—ã¦ã„ã¾ã™ã€‚ä»Šå›žã¯ã€ipvsã‚„iptablesãªã©ã‚«ãƒ¼ãƒãƒ«ç©ºé–“ã®æ©Ÿèƒ½ãŒã‚³ãƒ³ãƒ†ãƒŠå†…ã§ã‚‚åˆ©ç”¨ã§ãã‚‹ã®ã‹ã®ç¢ºèªã¨ã¨ã‚‚ã«ã€ãã‚Œã‚‰ã®æ©Ÿèƒ½ã‚’åˆ©ç”¨ã—ãŸã‚³ãƒ³ãƒ†ãƒŠã«ã‚ˆã‚‹ã‚·ã‚¹ãƒ†ãƒ æ§‹æˆ
udzura 2016/11/02
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iptables

ipvs

lxc

container
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OpenStackç®¡ç†ä¸‹ã«ã‚ã‚‹VMã®NICé–“ã§ip_forwardã‚’è¡Œã† - TIMEZONE PST Hatena Branch
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udzura 2016/03/10
iptables

networking

openstack
ãƒªãƒ³ã‚¯
ä¿ºå²ä¸Šæœ€å¼·ã®iptablesã‚’ã•ã‚‰ã™ - Qiita
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udzura 2012/08/27
iptables

linux

network
ãƒªãƒ³ã‚¯
iptablesè¨å®šç·¨
Iptabalesè¨å®šç·¨ è¨å®šã™ã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ§‹æˆ ãƒ«ãƒ¼ã‚¿ãƒ¼(å¤–å´)ï¼šISPã®DHCPã‚µãƒ¼ãƒãƒ¼ã‹ã‚‰å‰²ã‚Šå½“ã¦ã‚‰ã‚ŒãŸIPã‚¢ãƒ‰ãƒ¬ã‚¹ ãƒ«ãƒ¼ã‚¿ãƒ¼(å†…å´)ï¼š192.18.1.1 ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆPCï¼š192.168.*.* è¨å®šã®ãƒ«ãƒ¼ãƒ« +ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆãƒãƒªã‚·ãƒ¼ç ´æ£„ +IPãƒžã‚¹ã‚«ãƒ¬ãƒ¼ãƒ‰ã¨ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã®ãƒ«ãƒ¼ãƒ« ãƒ»ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯ã¯ç„¡æ¡ä»¶ã«è¨±å¯ ãƒ»Internetã‹ã‚‰ã®22ç•ª(SSH)ã€25ç•ª(SMTP)ã€80ç•ª(HTTP)ã€110ç•ª(POP3) 67ç•ª(bootps:DHCPã‚µãƒ¼ãƒãƒ¼)ã€68ç•ª(bootps:DHCPã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ)ã‚’è¨±å¯ ãƒ»LANã‹ã‚‰Internetã¸ã®NetBIOSé–¢é€£ãƒãƒ¼ãƒˆ(137ï½ž139ã€445ç•ª)ã‚’ç ´æ£„ ãƒ»Internetã‹ã‚‰ã®é€ä¿¡å…ƒIPã‚¢ãƒ‰ãƒ¬ã‚¹ãŒãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆã‚¢ãƒ‰ãƒ¬ã‚¹ã®ãƒ‘ã‚±ãƒƒãƒˆã‚’ ç ´æ£„(ã‚¹ãƒ—ãƒ¼ãƒ•ã‚£ãƒ³ã‚°å¯¾ç–) ãƒ»Internetã‹ã‚‰ã®å®›å…ˆIPã‚¢ãƒ‰ãƒ¬ã‚¹ãŒãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆã‚¢ãƒ‰ãƒ¬ã‚¹ã®ãƒ‘ã‚±ãƒƒãƒˆã‚’
udzura 2010/10/28
iptables

setting
ãƒªãƒ³ã‚¯
é€£è¼‰è¨˜äº‹ ã€Œç¿’ã†ã‚ˆã‚Šæ…£ã‚Œã‚ï¼ iptablesãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆé›†ã€
ã‚¹ãƒ†ãƒ¼ãƒˆãƒ•ãƒ«ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ã‚’ä½¿ã£ãŸã‚µãƒ¼ãƒ“ã‚¹ã®å…¬é–‹ é€£è¼‰ï¼šç¿’ã†ã‚ˆã‚Šæ…£ã‚Œã‚ï¼ iptablesãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆé›†ï¼ˆ1ï¼‰ã€€åˆå¿ƒè€…ã«ã¨ã£ã¦ã€iptablesã¯é›£ã—ã„ã€‚ãã“ã§ã€å¦ç¿’ã®ç¬¬1æ©ã¨ã—ã¦ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚’è‡ªåˆ†ã®ç’°å¢ƒã«é©å¿œã•ã›ã‚‹ã“ã¨ã‹ã‚‰å§‹ã‚ã‚ˆã†
udzura 2010/10/20
network

iptables

linux
ãƒªãƒ³ã‚¯
Rails ã§ã€Controller ã«å®šç¾©ã•ã‚Œã¦ã„ã‚‹ action ã‚’ä¸€åº¦ã«å–å¾—ã™ã‚‹æ–¹æ³•ã¯ã‚ã‚Šã¾ã™ã‹ï¼Ÿ - QA@IT
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udzura 2010/06/18
iptables
ãƒªãƒ³ã‚¯
DNATã‚¿ãƒ¼ã‚²ãƒƒãƒˆ
iptables -t nat -A PREROUTING -p tcp -d 15.45.23.67 --dport 80 -j DNAT --to-destination 192.168.1.1-192.168.1.10 --to-destination ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¯ã€ DNAT ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã«å¯¾ã—ã¦ã€ IP ãƒ˜ãƒƒãƒ€ã«è¨å®šã—ãŸã„å®›å…ˆ IP ã¨ã€ãƒžãƒƒãƒã—ãŸãƒ‘ã‚±ãƒƒãƒˆã®è¡Œãå…ˆã‚’æŒ‡ç¤ºã™ã‚‹ã€‚ä¸Šè¨˜ã®ä¾‹ã¯ã€ IPã‚¢ãƒ‰ãƒ¬ã‚¹ 15.45.23.67 ã«å®›ã¦ã‚‰ã‚ŒãŸã™ã¹ã¦ã®ãƒ‘ã‚±ãƒƒãƒˆã‚’ã€LAN ã® IP 192.168.1.1 ã‹ã‚‰ 10 ã®ç¯„å›²ã¸é€ã‚‹ã€‚æ—¢ã«è¿°ã¹ãŸã‚ˆã†ã«ã€ã²ã¨ã¤ã®ã‚¹ãƒˆãƒªãƒ¼ãƒ ä¸ã§ã¯å¸¸ã«åŒã˜ãƒ›ã‚¹ãƒˆãŒä½¿ç”¨ã•ã‚Œã‚‹ãŒã€ã‚¹ãƒˆãƒªãƒ¼ãƒ ãŒç•°ãªã‚Œã°ã€å„ã‚¹ãƒˆãƒªãƒ¼ãƒ ãŒä½¿ã†ã¹ãå®›å…ˆ IPã‚¢ãƒ‰ãƒ¬ã‚¹ã¯ãƒ©ãƒ³ãƒ€ãƒ ã«é¸æŠžã•ã‚Œã‚‹ã€‚ã¾ãŸã€å˜ä¸€ã® IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æŒ‡å®šã™ã‚‹ã“ã¨ã‚‚å¯èƒ½ã§ã€ãã†ã™ã‚Œã°ã€æŽ¥ç¶šã¯å¸¸ã«ãã®ãƒ›ã‚¹ãƒˆã¸å°Žã‹ã‚Œã‚‹ã€‚ã•ã‚‰ã«ã€ãƒˆ
udzura 2010/06/18
iptables
ãƒªãƒ³ã‚¯
Manpage of IPTABLES
Section: (8) Updated: Mar 09, 2002 Index JM Home Page roff page åå‰ iptables - IPv4 ã®ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ã¨ NAT ã‚’ç®¡ç†ã™ã‚‹ãƒ„ãƒ¼ãƒ« æ›¸å¼ iptables [-t table] -[AD] ãƒã‚§ã‚¤ãƒ³ ãƒ«ãƒ¼ãƒ«ã®è©³ç´° [ã‚ªãƒ—ã‚·ãƒ§ãƒ³] iptables [-t table] -I ãƒã‚§ã‚¤ãƒ³ [ãƒ«ãƒ¼ãƒ«ç•ªå·] ãƒ«ãƒ¼ãƒ«ã®è©³ç´° [ã‚ªãƒ—ã‚·ãƒ§ãƒ³] iptables [-t table] -R ãƒã‚§ã‚¤ãƒ³ ãƒ«ãƒ¼ãƒ«ç•ªå· ãƒ«ãƒ¼ãƒ«ã®è©³ç´° [ã‚ªãƒ—ã‚·ãƒ§ãƒ³] iptables [-t table] -D ãƒã‚§ã‚¤ãƒ³ ãƒ«ãƒ¼ãƒ«ç•ªå· [ã‚ªãƒ—ã‚·ãƒ§ãƒ³] iptables [-t table] -[LFZ] [ãƒã‚§ã‚¤ãƒ³] [ã‚ªãƒ—ã‚·ãƒ§ãƒ³] iptables [-t table] -N ãƒã‚§ã‚¤ãƒ³ iptables [-t table] -X [ãƒã‚§ã‚¤ãƒ³] ip
udzura 2010/06/18
linux

iptables

network

document

firewall
ãƒªãƒ³ã‚¯
iptablesã®è¨å®š
udzura 2009/01/09
linux

server

iptables
ãƒªãƒ³ã‚¯
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