[B! server][linux] kei-sã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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serverã¨linuxã«é–¢ã™ã‚‹kei-sã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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å†…éƒ¨å‘ã‘ DNS ã‚µãƒ¼ãƒã®æ§‹ç¯‰ - Linux ã§è‡ªå®…ã‚µãƒ¼ãƒ [ Home Server Technical. ]
DNS ã‚µãƒ¼ãƒã¨ã—ã¦æœ‰åãª BIND ã‚’ä½¿ç”¨ã—ã¦ã€LAN å†…éƒ¨å‘ã‘ã® DNS ã‚µãƒ¼ãƒã‚’æ§‹ç¯‰ã—ã¾ã™ã€‚ LAN å†…éƒ¨å‘ã‘ã®è¨å®šã§ã™ã®ã§ã€å¤–éƒ¨ï¼ˆã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆå´ï¼‰ã‹ã‚‰ã®ã‚¢ã‚¯ã‚»ã‚¹ã¯ä¸€åˆ‡é–¢ä¿‚ã‚ã‚Šã¾ã›ã‚“ã€‚ LAN å†…ã« ã‚µãƒ¼ãƒä»¥å¤–ã®ãƒ‘ã‚½ã‚³ãƒ³ï¼ˆä»¥ä¸‹ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆï¼‰ãŒã‚ã‚‹å ´åˆã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰è‡ªåˆ†ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã§ã‚¢ã‚¯ã‚»ã‚¹ã—ãŸå ´åˆã€ ãƒ«ãƒ¼ã‚¿ã®è¨å®šç”»é¢ãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ã“ã‚Œã¯ç°¡å˜ã«è¨€ã†ã¨ã€LAN å†…ã®åå‰è§£æ±ºãŒå‡ºæ¥ã¦ã„ãªã„ã‹ã‚‰ã§ã™ã€‚ ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ¯Žã« hosts ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¨å®šã—ã¦ã‚‚è‰¯ã„ã®ã§ã™ãŒã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒè¤‡æ•°å°ã‚ã‚‹å ´åˆã€ãã®è¨å®šã‚’è¡Œã†ã®ã‚‚é¢å€’ã§ã™ã‚ˆãã€‚ ãã“ã§ã€LAN å†…éƒ¨ã®åå‰è§£æ±ºã‚’ä¸€æ‹¬ç®¡ç†ã™ã‚‹ DNS ã‚µãƒ¼ãƒã‚’æ§‹ç¯‰ã—ã¾ã™ã€‚ ã“ã®ãƒšãƒ¼ã‚¸ã§ã®å®Ÿç¾ã•ã›ã‚‹äº‹ã‚’ä»¥ä¸‹ã«ç¤ºã—ã¾ã™ã€‚ LAN å†…ã‹ã‚‰ã®ã¿ã“ã® DNS ã‚µãƒ¼ãƒã‚’ä½¿ç”¨å¯èƒ½ LAN å†…ã‹ã‚‰ãƒ‰ãƒ¡ã‚¤ãƒ³åã§ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹æ§˜ã«ã™ã‚‹ hosts ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¯æ¥µåŠ›è¨˜è¿°ã—ãªã„
kei-s 2009/04/29
linux

bind

dns

server
ãƒªãƒ³ã‚¯
LAN ã« DNS ã‚µãƒ¼ãƒç«‹ã¦ã‚‹ < 10 < July < 2006 < nulog, NULL::something : out of the headphone
å…¨éƒ¨ã®ãƒžã‚·ãƒ³ã® hosts ã‚’ç·¨é›†ã¨ã‹ãƒ†ãƒ©ãƒ€ã‚µã‚¹ï½—ï½—ï½—ã·ã·ï½ã¨ã‹è¨€ã‚ã‚ŒãŸã®ã§ (è„³å†…å¤‰æ›ã§ã™)ã€DNS ã‚µãƒ¼ãƒç«‹ã¦ã¦ä¸€å…ƒç®¡ç†ã™ã‚‹ã“ã¨ã«ã—ãŸã€‚ ã‚µãƒ¼ãƒã¯ ubuntu 6.06 LTSã€‚æ™®é€šã« BIND ã‚’ä½¿ã†ã“ã¨ã«ã—ãŸã€‚ BIND ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚sudo apt-get install bindã€‚çµ‚äº† ubuntu (ã¨ã„ã†ã‹ Debian) ã¯è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ãŒåˆ†ã‹ã‚Œã¦ã„ã¦ã€åŸºæœ¬çš„ã« named.conf ã¯ç·¨é›†ã—ãªã„ã¿ãŸã„ï¼Ÿ ã¨ã‚Šã‚ãˆãšè‡ªåˆ†ã®å ´åˆã¯ named.conf.options ã¨ named.conf.local ã ã‘ç·¨é›†ã—ãŸã€‚ named.conf.options // æœ€åˆã« // ã‚¢ã‚¯ã‚»ã‚¹ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ãƒªã‚¹ãƒˆã®è¨å®š acl lan { 127.0.0.1; 192.168.0.0/16; }; // options ã‚»ã‚¯ã‚·ãƒ§ãƒ³å†…ã« // å†…å´ã‹ã‚‰ã®ã ã‘ã‚¯ã‚¨ãƒªã«ç”ãˆã‚‹ all
kei-s 2009/04/29
linux

server

dns

bind
ãƒªãƒ³ã‚¯
ubuntu 7.10ã§ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ï¼ˆVNCã‚’ä½¿ã£ã¦ï¼‰ | è€çœ¼palm
ubuntu 7.10 Gutsy Gibbonã‚’ã‚¯ãƒªãƒ¼ãƒ³ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸã‚‰ã€VNCã‚’ä½¿ã£ãŸãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ãŒã¨ã¦ã‚‚ã™ã£ãã‚Šå‹•ã„ãŸã€‚ubuntu, VNCã§æ¤œç´¢ã—ã¦ã“ã“ã«ãã‚‹äººãŒå¤šã„ã‚ˆã†ãªã®ã§ã€æ‰‹é †ã‚’ã¾ã¨ã‚ã¦ãŠãã€‚ çŠ¶æ³ï¼šèŒ¶ã®é–“ã®WindowsXPã‹ã‚‰å¯å®¤ã®ubuntuã‚’VNCã§ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ã™ã‚‹ã€‚ sshã¨vnc4serverã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’å…¥ã‚Œã‚‹ã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è¨å®šã§ã€æœ‰ç·šæŽ¥ç¶šã‚’ã€Œãƒãƒ¼ãƒŸãƒ³ã‚°ã‚’æœ‰åŠ¹ã«ã™ã‚‹ã€ã®ãƒã‚§ãƒƒã‚¯ã‚’å¤–ã—ã€è¨å®šã®ç¨®é¡žã€ŒIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æŒ‡å®šã™ã‚‹ã€ã«å¤‰æ›´ã—ã€é©å®œIPã‚¢ãƒ‰ãƒ¬ã‚¹ç‰ã‚’æŒ‡å®šã™ã‚‹ã€‚ï¼ˆèŒ¶ã®é–“WindowsXPã‹ã‚‰sshã™ã‚‹ã®ã«ã€å›ºå®šã‚¢ãƒ‰ãƒ¬ã‚¹ã®æ–¹ãŒä¾¿åˆ©ã ã‹ã‚‰ã§ã‚ã‚‹ã€‚ï¼‰ èŒ¶ã®é–“WindowsXPã«ã¯ssh clientã¨ã—ã¦Tera Term Proã«TTSSHã‚¨ã‚¯ã‚¹ãƒ†ãƒ³ã‚·ãƒ§ãƒ³ã‚’å…¥ã‚ŒãŸã‚‚ã®ã‚’ã€VNCãƒ“ãƒ¥ãƒ¼ã‚¢ã¨ã—ã¦UltraVNCãƒ“ãƒ¥ãƒ¼ã‚¢ã®æ—¥æœ¬èªžç‰ˆã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã‚
kei-s 2008/12/08
linux

ubuntu

vnc

server
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒã‚° | ç„¡æ–™ãƒ–ãƒã‚°ã‚’ä½œæˆã—ã‚ˆã†
ä»²æ˜¥ã¯ã‚†ã£ãã‚Šã¨é€šã‚ŠéŽãŽã‚‹ å¯ã¦èµ·ããŸã‚‰3æœˆã§ã‚ã‚‹ã€‚ä»Šæ—¥ã®æ±äº¬ã®æœ€é«˜æ°—æ¸©ã¯20åº¦ã‚’è¶…ãˆã¦ã„ã‚‹ã€‚æ£æœˆã®ã‚¤ãƒ³ãƒ•ãƒ«ã‚¨ãƒ³ã‚¶ãŒå®Œæ²»ã—ã¦ã€ã“ã‚Œã§ã‚„ã£ã¨å¥åº·ã§æ–‡åŒ–çš„ãªæœ¬å¹´åº¦ã‚’å§‹ã‚ã‚‰ã‚Œã‚‹ãžã€ã¨æ„æ°—è¾¼ã‚“ã ã®ã‚‚æŸã®é–“ã€ä»Šåº¦ã¯åŽŸå› ä¸æ˜Žã®é«˜ç†±ã‚’å‡ºã—ã¦1é€±é–“å¯è¾¼ã‚“ã ã€‚ è„³ãŒã‚°ãƒ„ã‚°ãƒ„ç…®ãˆã‚‹éŸ³ãŒè´ã“ãˆãã†ãªã»ã©â€¦
kei-s 2008/12/08
linux

ubuntu

iptables

server
ãƒªãƒ³ã‚¯
OpenSSH æƒ…å ± - [Security][OpenSSH] ãƒã‚°ã‚’ç›£è¦–ã—ãƒ–ãƒ«ãƒ¼ãƒˆãƒ•ã‚©ãƒ¼ã‚¹ã‚¢ã‚¿ãƒƒã‚¯ã‚’é˜²ããƒ„ãƒ¼ãƒ«(DenyHosts, BlockHosts, Fail2Ban)ã«ä»»æ„ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æ‹’å¦ã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹è„†å¼±æ€§
2007/06/08 - [Security][OpenSSH] ãƒã‚°ã‚’ç›£è¦–ã—ãƒ–ãƒ«ãƒ¼ãƒˆãƒ•ã‚©ãƒ¼ã‚¹ã‚¢ã‚¿ãƒƒã‚¯ã‚’é˜²ããƒ„ãƒ¼ãƒ«(DenyHosts, BlockHosts, Fail2Ban)ã«ä»»æ„ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æ‹’å¦ã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹è„†å¼±æ€§ Attacking Log analysis tools - OSSEC HIDSã«ã‚ˆã‚‹ã¨, SSHãŒè¨˜éŒ²ã™ã‚‹ãƒã‚°ã‚’ãƒ¢ãƒ‹ã‚¿ã—ã¦ä¸æ£ãªã‚¢ã‚¯ã‚»ã‚¹ã‚’ç¹°ã‚Šè¿”ã™IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‹ã‚‰ã®æŽ¥ç¶šã‚’æ‹’å¦ã™ã‚‹ãƒ„ãƒ¼ãƒ« DenyHosts BlockHosts Fail2ban ã«ä»¥ä¸‹ã®å•é¡ŒãŒã‚ã‚Šã¾ã™. (ãŠãã‚‰ã, åŒæ§˜ã®ãƒ„ãƒ¼ãƒ«ã«ã¯åŒã˜ã‚ˆã†ãªå•é¡ŒãŒã‚ã‚‹ã§ã—ã‚‡ã†.) OpenSSHã®ãƒã‚°ã«ã¯, ãƒ¦ãƒ¼ã‚¶åã‚„ãƒ—ãƒãƒˆã‚³ãƒ«ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒæ”»æ’ƒè€…ã®æŒ‡å®šé€šã‚Šã«æ›¸ãè¾¼ã¾ã‚Œã‚‹ã®ã§, æ”»æ’ƒè€…ãŒã‚ã‚‹ç¨‹åº¦è‡ªç”±ã«ãƒã‚°ã‚’æŒ¿å…¥ã™ã‚‹ã“ã¨ãŒå¯èƒ½ã§ã‚ã‚‹ ã“ã‚Œã‚’åˆ©ç”¨ã—ã¦, ãƒã‚°ã‚’ç›£è¦–ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã‚’ã ã¾ã—ã¦, ä»»æ„ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æ‹’
kei-s 2007/06/14
ssh

server

tips

linux
ãƒªãƒ³ã‚¯
naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ - MySQL ã®è² è·åˆ†æ•£ã« LVS + keepalived ã‚’ä½¿ã†
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kei-s 2007/01/16
db

linux

server

sql

tips
ãƒªãƒ³ã‚¯
@niftyã®Outbound Port25 Blockingå¯¾ç– - ãŸã ã®ã«ã£ã(2005-10-24)
â– æ–°ç™¾åˆãƒ¶ä¸˜åˆæ—¥ ã‚ªãƒ•ã‚£ã‚¹ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒãƒªã‚·ãƒ¼ãŒã€DHCPã—ã‹èªã‚ã¦ã„ãªã„ã¨ã„ã†ã®ã‚’çŸ¥ã£ã¦æ„•ç„¶ã¨ã™ã‚‹ã€‚ã‚µãƒ¼ãƒãŒç«‹ã¦ã‚‰ã‚Œãªã„ã§ã¯ãªã„ã‹ã€‚ã¨ã„ã†ã‚ã‘ã§ã€åˆå¾Œã«ãªã£ã¦ã‚‚coLinuxã¯æœªèµ·å‹•çŠ¶æ…‹ã€‚w3mã‚‚vimã‚‚ä½¿ãˆãªã„ã¨ã€ä¸¡è…•ã‚’ã‚‚ãŒã‚ŒãŸã‚ˆã†ãªæ°—åˆ†ã ãªã€‚ã¤ãƒ¼ã‹ximapdãŒå‹•ã‹ãªã„ã¨ã€ãƒ¡ãƒ¼ãƒ«ã‚‚èªã‚ãªã„ã˜ã‚ƒã‚“! æ˜¼ã¯ã²ã¨ã‚Šã§é£Ÿã¹ã‚‰ã‚Œã‚‹ãƒ¡ã‚·å±‹èª¿æŸ»ã€‚ã¨ã‹è¨€ã£ã¦å¤§æˆ¸å±‹ã«å…¥ã£ã¦ã„ã¦ã¯æ„å‘³ãŒãªã„ã‚ˆã†ãªã€‚ã“ã“ã®å¤§æˆ¸å±‹ã¯å…ˆæ‰•ã„æ–¹å¼ã ãŒã€å¸ã«æ¡ˆå†…ã—ã¦ãã‚ŒãŸåº—å“¡ã«é£Ÿåˆ¸ã‚’æ‰‹æ¸¡ã—ã™ã‚‹æ–¹å¼ã€‚ã»ã‚“ã¨ã€å¤§æˆ¸å±‹ã£ã¦ã€åº—ã”ã¨ã«é‹ç”¨ãŒé•ã†ã‚“ã ãªã€‚å‡ºã¦ããŸæ–™ç†ã«ä½¿ã‚ã‚Œã¦ã‚‹ææ–™ã¾ã§é•ã£ã¦ã‚‹ã—ã€‚ã»ã‚“ã¨ã«ãƒ•ãƒ©ãƒ³ãƒãƒ£ã‚¤ã‚ºã‹ã‚ˆã€‚ã„ã„ã‘ã©ã€‚ â– @niftyã®Outbound Port25 Blockingå¯¾ç– ã†ã¡ãŒä½¿ã£ã¦ã„ã‚‹@niftyãŒOutbound Port25 Blockingã‚’ã™ã‚‹ã¨ã®ã“ã¨ãªã®ã§ã€ã¡ã‚‡ã£ã¨æ°—ãŒæ—©ã„ãŒå¿˜ã‚Œãªã„ã†ã¡
kei-s 2006/12/16
linux

mail

server
ãƒªãƒ³ã‚¯
Kozupon.com - ä¸æ£ä¾µå…¥ã‚’å—ã‘ã¦ã„ã‚‹ã‹åˆ¤æ–ã™ã‚‹ï¼
ä¾µå…¥ã•ã‚Œã¦ã—ã¾ã£ãŸã®ã‹ã€ãã†ã§ãªã„ã®ã‹ã‚’åˆ¤æ–ã™ã‚‹ã«ã¯ä½•ã¯ã¨ã‚‚ã‚ã‚Œã€ãã®ãƒ›ã‚¹ãƒˆã®ã‚·ã‚¹ãƒ†ãƒ ã®ç¾çŠ¶ã‚’æŠŠæ¡ã™ã‚‹ã®ãŒå…ˆæ±ºã ã¨è€ƒãˆã‚‹ã€‚æœ¬å½“ã«ä¾µå…¥ã•ã‚ŒãŸã®ã‹ã€ãã†ã ã¨ã—ãŸã‚‰ã©ã®ãã‚‰ã„ã®è¢«å®³ã‚’å—ã‘ãŸã®ã‹ç‰ã‚’æœ‰ã‚‹ç¨‹åº¦å†·é™ãªåˆ¤æ–ãŒå¿…è¦ã«ãªã£ã¦ãã‚‹ã€‚ã“ã‚“ãªå ´åˆã€æ…Œã¦ã¦ã—ã¾ã†ã®ãŒã¤ãã ãŒã€é©åˆ‡ãªå¯¾ç–ã‚’æ–½ã™ã«ã¯å†·é™ãªåˆ¤æ–ãŒå¿…è¦ã ã¨è€ƒãˆã‚‹ã€‚ ä½•ã¯ã¨ã‚‚ã‚ã‚Œä»–äººã«è¿·æƒ‘ã‚’ã‹ã‘ãªã„ãŸã‚ã«ã€å¯¾ç–ã¨ã—ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚±ãƒ¼ãƒ–ãƒ«ã‚’å¤–ã—ã¦ã—ã¾ã†ã®ã¯ã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å¯¾ç–ã®ä¸€ã¤ã®æ¥µæ„ã ãŒã€æœ¬å½“ã«ä¾µå…¥ã•ã‚Œã¦ã„ã‚‹ã‹ã®åˆ¤æ–ãŒã¤ã‹ãªã„é™ã‚Šã€ã‚µãƒ¼ãƒã‚µãƒ¼ãƒ“ã‚¹ã‚’å®‰æ˜“ã«åœæ¢ã•ã›ã‚‹ã¹ãã§ã¯ç„¡ã„ã¨æ€ã†ã€‚ ã—ãŸãŒã£ã¦ã€ã¾ãšä½•ã‚ˆã‚Šã‚‚ä¾µå…¥ã‚’ã•ã‚ŒãŸã‹å¦ã‹ã‚’çš„ç¢ºã«åˆ¤æ–ã—ã‚ˆã†ã€‚åˆå¿ƒè€…ã«å¤šã„ã®ã¯ã€ã€Œä½•ã¯ã¨ã‚‚ã‚ã‚Œå†èµ·å‹•ã™ã‚Œã°ç›´ã‚‹ã®ã§ã¯ãªã„ã‹ã€‚ã€ã¨ã„ã†åˆ¤æ–ã§ã‚ã‚‹ã€‚ç¢ºã‹ã«ã€å†èµ·å‹•ã›ã–ã‚‹è² ãˆãªã„ã¨ãã¯æœ‰ã‚‹ã€‚ã—ã‹ã—ã€ã‚¯ãƒ©ãƒƒã‚¯ãªæ–¹ã«ä¾µå…¥ã•ã‚Œã¦ãŸã¨ã—ãŸã‚‰ã€ãƒã‚¸ãƒƒã‚¯ãƒœãƒ ï¼ˆã‚·ã‚¹ãƒ†ãƒ ã‚’ç ´å£Šã™
kei-s 2006/12/09
linux

server
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kei-s 2006/09/23
linux

server
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kei-s 2006/05/03
fedora

linux

tips

server
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kei-s 2006/04/26
server

tips

linux
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ADSL+è‡ªå®…Linuxã‚µãƒ¼ãƒ
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kei-s 2006/02/11
linux

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