[B! lvs] kyouzontã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

kyouzont id:kyouzont

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

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Ultra Monkey: Topologies: Firewall Marks
English | æ—¥æœ¬èªž Top : Ultra Monkeyã«ã¤ã„ã¦ | ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆ | ãƒ‹ãƒ¥ãƒ¼ã‚¹ãƒ»ã‚¢ãƒ¼ã‚«ã‚¤ãƒ– | ãƒŸãƒ©ãƒ¼æƒ…å ± | å±¥æ´ | é€£çµ¡å…ˆ 2.0.1 : Linux Virtual Server | Heartbeat | Ldirectord | ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« | ãƒˆãƒãƒã‚¸ ãƒˆãƒãƒã‚¸ ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ãƒ»ãƒžãƒ¼ã‚¯ ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ãƒ»ãƒžãƒ¼ã‚¯ã¯ã€ã‚µãƒ¼ãƒ“ã‚¹ã‚’1ã¤ã«ã¾ã¨ã‚ã‚‹ãŸã‚ã®å¼·åŠ›ãªãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã‚’æä¾›ã—ã¾ã™ã€‚ã“ã®ãƒˆãƒãƒã‚¸ã¯ã€fwmarksã®ä½¿ç”¨ä¾‹ã‚’æä¾›ã™ã‚‹ãŸã‚ã®ã‚‚ã®ã§ã‚ã‚Šã€é«˜å¯ç”¨æ€§ã¨è² è·åˆ†æ•£ã®ãƒˆãƒãƒã‚¸ãŒãƒ™ãƒ¼ã‚¹ã¨ãªã£ã¦ã„ã¾ã™ã€‚ãŸã ã—ã€ç´¹ä»‹ã•ã‚Œã¦ã„ã‚‹è² è·åˆ†æ•£ãƒˆãƒãƒã‚¸ã®ã„ãšã‚Œã«ã‚‚é©ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã“ã®è¨å®šã§ã¯ã€å®Ÿã‚µãƒ¼ãƒã®ã™ã¹ã¦ã®UDPãŠã‚ˆã³TCPãƒãƒ¼ãƒˆã®ã€192.168.0.0ã€œ192.168.0.255ï¼ˆ192.168.0.0/24ï¼‰ã®ç¯„å›²ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã«å¯¾ã—ã¦é€ä¿¡ã•ã‚ŒãŸã™ã¹ã¦
kyouzont 2017/08/08
lvs

fwmark

iptables
ãƒªãƒ³ã‚¯
ã‚¯ãƒ©ã‚¦ãƒ‰ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã¨è² è·åˆ†æ•£ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³LVS ç¬¬1å›ž: LVSã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ | æŠ€è¡“æ–‡æ›¸ | æŠ€è¡“æƒ…å ± | VA Linux Systems Japanæ ªå¼ä¼šç¤¾
ã‚¯ãƒ©ã‚¦ãƒ‰ è² è·åˆ†æ•£ ã‚¯ãƒ©ã‚¦ãƒ‰ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã¨è² è·åˆ†æ•£ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³LVS ç¬¬1å›ž: LVSã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ 2012/07/25 æŠ€è¡“æœ¬éƒ¨ æœ¬éƒ¨é•· é«˜æ©‹ æµ©å’Œ Linux Virtual Sever (LVS)ã¯ã€Linuxã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚·ã‚¹ãƒ†ãƒ ä¸Šã§å®Ÿè¡Œã•ã‚Œã¦ã„ã‚‹è² è·åˆ†æ•£ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã®ä¸€ç¨®ã§ã€1998å¹´5æœˆã€Wensong Zhangã«ã‚ˆã£ã¦OSSãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¨ã—ã¦é–‹å§‹ã•ã‚Œã¾ã—ãŸã€‚ LVSã¯ã€å®Ÿã‚µãƒ¼ãƒã®ã‚¯ãƒ©ã‚¹ã‚¿ä¸Šã«æ§‹ç¯‰ã•ã‚ŒãŸã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ»ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼æŠ€è¡“ã‚’ç”¨ã„ã¦é«˜æ€§èƒ½ã‹ã¤é«˜å¯ç”¨ãªLinuxã‚µãƒ¼ãƒã‚’æ§‹ç¯‰ã—ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã‚„ä¿¡é ¼æ€§ã€ä¿å®ˆæ€§ã‚’å‘ä¸Šã•ã›ã¾ã™ã€‚ã¾ãŸã€LVSã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã§ã€Webã‚µãƒ¼ãƒ“ã‚¹ã‚„é›»åãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒ“ã‚¹ã€ãƒ¡ãƒ«ãƒãƒ¡ãƒ‡ã‚£ã‚¢ã€VoIPã‚µãƒ¼ãƒ“ã‚¹ãªã©ã®é«˜ä¿¡é ¼ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚µãƒ¼ãƒ“ã‚¹ã®æ§‹ç¯‰ãŒå¯èƒ½ã¨ãªã‚Šã¾ã™ã€‚ VA Linuxã¯LVSã«ç©æ¥µçš„ãªè²¢çŒ®ã‚’ã—ã¦ãŠã‚Šã€æ–°æ©Ÿèƒ½ã®å®Ÿè£…ã‚„ç¾ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¸ã®ç§»
kyouzont 2016/07/27
lvs

Linux

ultramonkey

LB
ãƒªãƒ³ã‚¯
LVS defense strategies against DoS attack
DoS ã‚¢ã‚¿ãƒƒã‚¯ã‹ã‚‰ã® LVS ã®é˜²å¾¡æˆ¦ç•¥ IPVS ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒ 0.9.10 ä»¥é™ã§ã¯ã€ãŠäº’ã„ã®æ–°ã—ã„ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ ã®çŠ¶æ…‹ï¼ˆæ–°ã—ã„ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒãƒªãƒ€ã‚¤ãƒ¬ã‚¯ãƒˆã•ã‚ŒãŸã‚µãƒ¼ãƒãƒ¼ã®ã‚ˆã†ãªã‚‚ã®ï¼‰ã‚’ä¿ã¤ãŸã‚ã«ã‚¨ãƒ³ãƒˆãƒªãƒ¼ãŒä½œã‚‰ã‚Œã€128ãƒã‚¤ãƒˆã®åŠ¹çŽ‡çš„ãªãƒ¡ãƒ¢ãƒªãƒ¼ã«ã¯äº’ã„ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ãŒå¿…è¦ãªã®ã§ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã®ã‚µã‚¤ã‚ºã¯124ãƒã‚¤ãƒˆã«ãªã£ã¦ã„ã‚‹ã€‚3ã¤ã®é˜²å¾¡æˆ¦ç•¥ã¯ç¾åœ¨ Dos æ”»æ’ƒã®ç¨®é¡žã®ã‚‚ã®ã«å¯¾ã—ã¦å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã€‚ãã‚Œã‚‰ã¯ãƒ‰ãƒãƒƒãƒ—ã‚¨ãƒ³ãƒˆãƒªãƒ¼ãƒ‡ã‚£ãƒ•ã‚§ãƒ³ã‚¹ã¨ãƒ‰ãƒãƒƒãƒ—ãƒ‘ã‚±ãƒƒãƒˆãƒ‡ã‚£ãƒ•ã‚§ãƒ³ã‚¹ã¨ã‚»ã‚ãƒ¥ã‚¢TCPãƒ‡ã‚£ãƒ•ã‚§ãƒ³ã‚¹ã§ã™ã€‚ã“ã‚Œã‚‰ã®æ–¹æ³•ã¯ã‚«ãƒ¼ãƒãƒ«å†…ã§æœ‰åŠ¹ã‹ç„¡åŠ¹ã‹ã©ã†ã‹ã®å¤‰æ•°ã‚’ sysctl ã«ã‚ˆã£ã¦ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã§ãã¾ã™ã€‚ 1. ãƒ‰ãƒãƒƒãƒ—ã‚¨ãƒ³ãƒˆãƒªãƒ¼ãƒ‡ã‚£ãƒ•ã‚§ãƒ³ã‚¹ ãƒ‰ãƒãƒƒãƒ—ã‚¨ãƒ³ãƒˆãƒªãƒ¼ãƒ‡ã‚£ãƒ•ã‚§ãƒ³ã‚¹ã¯æ–°ã—ã„ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®ãƒ¡ãƒ¢ãƒªã‚’å›žåŽã™ã‚‹ãŸã‚ã«ã€ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ãƒ«ã‹ã‚‰ãƒ©ãƒ³ãƒ€ãƒ ã«ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã‚’ãƒ‰ãƒãƒƒãƒ—ã—ã¾ã™ã€‚ç¾åœ¨ã®ã‚³ãƒ¼ãƒ‰ã§
kyouzont 2015/05/08
å…¬å¼ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®æ—¥æœ¬èªžè¨³

Linux

lvs
ãƒªãƒ³ã‚¯
Mailing List Archive: [lvs-users] Reduce effects of syn flood attacks
Bonjour, We are facing several syn flood attacks since the last 2 weeks. We use IPVS boxes in top of our infrastructure directly after our routers. We use IPVS with the option â€œNetfilter connection trackingâ€. So, our boxes (2 boxes in active/backup) made filtering and load-balancing. We use IPVS in NAT mode and a 3.0.36 kernel. For the moment, we reduce effects of syn flood attacks with our router
kyouzont 2015/05/08
ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã®è¨å®šå€¤ã¯ã€ŒThey are not available anymore. ã€ã‚‰ã—ã„ï¼Ÿã ã¨ã™ã‚Œã°manã‹ã‚‰æ¶ˆã—ã¦ã»ã—ã„ãƒ»ãƒ»ãƒ»ã€‚

lvs

loadbalancing

troubleshoot
ãƒªãƒ³ã‚¯
The Linux Virtual Server Project - Linux Server Cluster for Load Balancing
What is the Linux Virtual Server? The Linux Virtual Server is a highly scala ble and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system. The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server. For more information, click here. Applica
kyouzont 2015/05/06
å…¬å¼ã‚µã‚¤ãƒˆ

lvs

Linux

loadbalancing
ãƒªãƒ³ã‚¯
LVS-HOWTO
Copyright Â© 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Joseph Mack v2012.01 Jan 2012, released under GPL. Note: Mar 2014 This HOWTO is no longer being maintained. Abstract Install, testing and running of a Linux Virtual Server with 2.2.x, 2.4.x, 2.6.x kernels search the LVS documentation Table of Contents 1. LVS: Introduction1.1. Thanks1.2. About the HOWTO1.
kyouzont 2015/05/06
lvs

Linux

loadbalancing
ãƒªãƒ³ã‚¯
ipvsadm(8) æ—¥æœ¬èªžè¨³
LVS ã®ç®¡ç†ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã§ã‚ã‚‹ ipvsadm ã‚³ãƒžãƒ³ãƒ‰ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã‚’ç¿»è¨³ã—ã¾ã—ãŸã€‚ ã‚ªãƒªã‚¸ãƒŠãƒ«ã¯svnæœ€æ–°ç‰ˆã§ã™ã€‚é…å¸ƒæ¡ä»¶ã¯ã‚ªãƒªã‚¸ãƒŠãƒ«ã® ipvsadm ã«å¾“ã„ã¾ã™ã€‚ èª¤è¨³ç‰ã‚ã‚Œã°ã‚³ãƒ¡ãƒ³ãƒˆã‚’ã„ãŸã ã‘ã‚‹ã¨å¬‰ã—ã„ã§ã™ã€‚ ========================================================================================== IPVSADM(8) Linux ç®¡ç†è€…ã‚¬ã‚¤ãƒ‰ IPVSADM(8) NAME ipvsadm - Linux Virtual Server ç®¡ç† SYNOPSIS ipvsadm -A|E -t|u|f service-address [-s scheduler] [-p [timeout]] [-M netmask] ipvsadm -D -t|u|f service-address i
kyouzont 2015/05/03
Linux

lvs

ipvsadm

loadbalancer
ãƒªãƒ³ã‚¯
http://www.cij.co.jp/service/solution/research/pdf/2012/report201208.pdf
kyouzont 2013/04/29
lvs

loadbalancing
ãƒªãƒ³ã‚¯
é«˜ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã«å¯¾å¿œã§ãã‚‹Linuxãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ç›®æŒ‡ã—ã¦ ã€œ LVSã‚’NATã‹ã‚‰DSRã¸ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
ã€Œã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã€ã®ã‚·ãƒªãƒ¼ã‚ºã§ã¯ã€ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (1) ã€œ LVS + NATã§è² è·åˆ†æ•£ã‚’ã—ã¦ã¿ã‚ˆã† ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (2) ã€œ keepalivedã§Webã‚µãƒ¼ãƒã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (3) ã€œ VRRPã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ç„¡åœæ¢ã«ã™ã‚‹ ã“ã‚“ãªæµã‚Œã§NATã«ã‚ˆã‚‹è² è·åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ãã¾ã—ãŸã€‚ ä»Šå›žã¯ã“ã‚Œã‚’ DSR(Direct Server Return) æ–¹å¼ã«å¤‰æ›´ã—ã¦ã¿ã¾ã™ã€‚ ã€ŒDSRã¨ã¯ãªã‚“ãžã‚„ï¼Ÿã€ã¨ã„ã†æ–¹ã¯ã€ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®é‹ç”¨.DSRã£ã¦çŸ¥ã£ã¦ã¾ã™ã‹? L4ã‚¹ã‚¤ãƒƒãƒã¯DSRæ§‹æˆã«ã™ã¹ã— ã“ã¡ã‚‰ã§ã‚ã‹ã‚Šã‚„ã™ãèª¬æ˜Žã•ã‚Œã¦ã„ã¾ã™ã®ã§å‚è€ƒã«ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ ä¸€èˆ¬çš„(?)ã«å¤§è¦æ¨¡ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹å ´åˆã¯ã€ã€Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨ã®æ•´å‚™ã¯ã“ã®éƒ¨é–€ã€ã€ã€Œã‚µãƒ¼ãƒã®èª¿
kyouzont 2013/04/29
Linux

lvs

loadbalancing
ãƒªãƒ³ã‚¯
è² è·åˆ†æ•£æŠ€è¡“ã€€VA Linux Systems Japan
æä¾›ã•ã‚Œã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã®ãƒãƒ¼ãƒˆç•ªå·å®›ã®ãƒ‘ã‚±ãƒƒãƒˆã‚’æ¤œå‡ºã—ã€ãã‚Œã¨å¯¾å¿œã™ã‚‹å®Ÿã‚µãƒ¼ãƒã«å¯¾ã—ã¦ã€ãƒ‘ã‚±ãƒƒãƒˆã®è»¢é€å‡¦ç†ã‚’è¡Œã„ã¾ã™ã€‚TCPã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’ã€ã‚ã‚‰ãŸã‚ã¦é–‹è¨ã™ã‚‹éš›ã®ãƒ‘ã‚±ãƒƒãƒˆï¼ˆå®Ÿã‚µãƒ¼ãƒã¨ã®å¯¾å¿œã¥ã‘ãŒã•ã‚Œã¦ã„ãªã„ãƒ‘ã‚±ãƒƒãƒˆã‚’æŒ‡ã™ï¼‰ã‚„ã€UDPãƒ‘ã‚±ãƒƒãƒˆã®å ´åˆã«ã¯ã€è»¢é€å…ˆã®å®Ÿã‚µãƒ¼ãƒã«ã¤ã„ã¦ã©ã‚Œã«ã™ã¹ãã‹ã€ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚«ãƒ¼ãƒãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã«å•ã„åˆã‚ã›ã‚’è¡Œã£ã¦ã‹ã‚‰å‡¦ç†ã‚’ã—ã¾ã™ã€‚ ãƒ‘ã‚±ãƒƒãƒˆè»¢é€æ–¹æ³•ã«ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ãªç¨®é¡žãŒã‚ã‚Šã¾ã™ã€‚ LVS/NAT NATã«ã‚ˆã‚Šå®›å…ˆIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å®Ÿã‚µãƒ¼ãƒã‚¢ãƒ‰ãƒ¬ã‚¹ã«å¤‰æ›ã—ã¦è»¢é€ã™ã‚‹ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µå®›ã«åˆ°ç€ã—ãŸãƒ‘ã‚±ãƒƒãƒˆã¯ã€å®›å…ˆIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å®Ÿã‚µãƒ¼ãƒã®ã‚‚ã®ã«å¤‰æ›ã™ã‚‹ã“ã¨ã§å®Ÿã‚µãƒ¼ãƒã«è»¢é€ã—ã¾ã™ã€‚å®Ÿã‚µãƒ¼ãƒã‹ã‚‰ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¸ã®å¿œç”ãƒ‘ã‚±ãƒƒãƒˆã¯ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãŒã‚½ãƒ¼ã‚¹ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã«å¤‰æ›ã—ã¦ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã«è»¢é€ã—ã¾ã™ã€‚ã“ã®æ§‹æˆã§ã¯ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µå´ã§ã€IPã‚¢ãƒ‰ãƒ¬ã‚¹å¤‰æ›
kyouzont 2012/09/19
lvs

linux

loadbalancing
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