(Ubuntu 9.10) ç„¡ç·šLAN：NetworkManager + wpa_supplicantã§ã®èªè¨¼å¤±æ•— (r271-635)
05 December 2009 (Ubuntu 9.10) ç„¡ç·šLAN：NetworkManager + wpa_supplicantã§ã®èªè¨¼å¤±æ•— Ubuntu 9.10ã§ç„¡ç·šLANã®WPAèªè¨¼ã«å¤±æ•—ã™ã‚‹å ´åˆã®ãƒã‚° （ã„ã¾ã®ã¨ã“ã‚ã€æ ¹æœ¬çš„ãªè§£æ±ºæ–¹æ³•ä¸æ˜Žï¼‰ã€‚ã“ã‚ŒãŒèµ·ã“ã‚‹ã®ã¯ã€ç„¡ç·šLANアダプタãŒï¼ˆãƒªã‚»ãƒƒãƒˆå¾Œï¼‰å§‹ã‚ã¦WPA接続をå—ã‘å…¥ã‚Œã‚‹å ´åˆã«ã®ã¿èµ·ã“るよã†ã 。 â– ç„¡ç·šLANルータ Buffalo WHR-AM54G54 è¨å®šï¼šãƒ–リッジモード（ルータ機能を使ã‚ãªã„）ã€WPA-TKIPæš—å·åŒ–ã€æš—å·ã‚ー16æ–‡å—（Key 16bytes） 状態：電æºOFF→電æºONã€ãã®å¾Œå§‹ã‚ã¦ç„¡ç·šLANã§æŽ¥ç¶šã‚’å—ã‘入れる時 ■接続å¯èƒ½ãªç«¯æœ«ç’°å¢ƒ パソコン(Computer)：Dell inspiron mini 10v ç„¡ç·šLANアダプタ(WirelessLAN adapter)：内蔵(internal)
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■「WPA-TKIPãŒ1分ã§ç ´ã‚‰ã‚Œã‚‹ã€ã¯èª¤å ± 先月ã€ç„¡ç·šLANã®WPA-TKIPãŒ1分以内ã«ç ´ã‚‰ã‚Œã‚‹ã¨ã„ã†å ±é“ãŒã‚ã‚Šã€è©±é¡Œã¨ãªã£ãŸã€‚ ç„¡ç·šLANã®WPAã‚’ã‚ãšã‹æ•°ç§’ã‹ã‚‰æ•°å秒ã§çªç ´ã™ã‚‹æ–°ã—ã„攻撃方法ãŒç™»å ´ã€æ—©æœŸã«WPA2ã«ç§»è¡Œã™ã‚‹å¿…è¦ã‚ã‚Š, Gigazine, 2009å¹´8月5æ—¥ 今回ã®æ–¹æ³•ã¯æ˜¨å¹´11月ã«ç™ºè¡¨ã•ã‚ŒãŸã€ŒTews-Beck攻撃ã€ï¼ˆç•¥ï¼‰ãŒQoS制御を利用ã™ã‚‹æ©Ÿå™¨ã«é™å®šã•ã‚Œã‚‹ã‚‚ã®ã§ã‚ã‚Šã€éµã®å°Žå‡ºã«15分もã®æ™‚é–“ãŒå¿…è¦ã§ã‚ã£ãŸã®ã«å¯¾ã—ã¦ã€ã‚ãšã‹æ•°ç§’ã‹ã‚‰æ•°å秒ã§å°Žå‡ºã—ã¦ã—ã¾ã†ã“ã¨ãŒã§ãã‚‹ã¨ã„ã†ã‚‚ã®ã€‚（略） 今回発表ã•ã‚Œã‚‹æ–¹æ³•ã§ã¯ã€TKIPã«ãŠã‘る定期的ã«å¤‰æ›´ã•ã‚Œã‚‹éµã«ã¤ã„ã¦ã€TKIPã®ãƒ—ãƒãƒˆã‚³ãƒ«ã®æ–°ãŸãªè„†å¼±æ€§ã‚’利用ã—ã¦æ¥µã‚ã¦çŸæ™‚間（数秒ã‹ã‚‰æ•°å秒）ã§å°Žå‡ºã—ã€ãã®éµã‚’効率よã利用ã™ã‚‹æ–¹æ³•ã¨ã—ã¦æ–°ãŸãªä¸é–“者攻撃を開発ã—ãŸã¨ã®ã“ã¨ã€‚ ç„¡ç·šLANã‚»ã‚ュリティ「WPAã€ã‚’ã‚ãšã‹1分以内ã§ç ´ã‚‹æ‰‹
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今回ã®æ–¹æ³•ã¯æ˜¨å¹´11月ã«ç™ºè¡¨ã•ã‚ŒãŸã€ŒTews-Beck攻撃ã€(WEPã®TKIPã«ãŠã„ã¦è¾žæ›¸æ”»æ’ƒã§ã¯ãªãプãƒãƒˆã‚³ãƒ«ã®ä¸å‚™ã‚’ã¤ãã“ã¨ã«ã‚ˆã£ã¦ã€15分å‰å¾Œã‹ã‹ã‚‹ãŒã€éµã®ä¸€éƒ¨ã‚’確定的ã«å°Žå‡ºã§ãる方法)ãŒQoS制御を利用ã™ã‚‹æ©Ÿå™¨ã«é™å®šã•ã‚Œã‚‹ã‚‚ã®ã§ã‚ã‚Šã€éµã®å°Žå‡ºã«15分もã®æ™‚é–“ãŒå¿…è¦ã§ã‚ã£ãŸã®ã«å¯¾ã—ã¦ã€ã‚ãšã‹æ•°ç§’ã‹ã‚‰æ•°å秒ã§å°Žå‡ºã—ã¦ã—ã¾ã†ã“ã¨ãŒã§ãã‚‹ã¨ã„ã†ã‚‚ã®ã€‚ ã“ã®WPAã«ã¤ã„ã¦ã®å®Ÿè·µçš„ãªæ”»æ’ƒæ–¹æ³•ã¯8月7æ—¥ã«ã€ŒA Practical Message Falsification Attack on WPAã€ã¨ã„ã†é¡Œç›®ã§ã€å°æ¹¾ã«ã¦é–‹å‚¬ã•ã‚Œã‚‹å›½éš›ä¼šè° JWIS2009（Joint Workshop on Information Security ）ã«ã¦å¤§æ±ä¿Šåšæ°ï¼ˆåºƒå³¶å¤§å¦ æƒ…å ±ãƒ¡ãƒ‡ã‚£ã‚¢æ•™è‚²ç ”ç©¶ã‚»ãƒ³ã‚¿ãƒ¼ï¼‰ã¨æ£®äº•æ˜Œå…‹æ°ï¼ˆç¥žæˆ¸å¤§å¦å¤§å¦é™¢ å·¥å¦ç ”究科）ã«ã‚ˆã£ã¦ç™ºè¡¨ã•ã‚Œã‚‹äºˆå®šã¨ãªã£ã¦ã„ã¾ã™ã€‚ 詳細ã¯ä»¥ä¸‹ã‹ã‚‰ã€‚ Jo
Linux WPA Supplicant (IEEE 802.1X, WPA, WPA2, RSN, IEEE 802.11i)
Linux WPA/WPA2/IEEE 802.1X Supplicant wpa_supplicant is a WPA Supplicant for Linux, BSD, Mac OS X, and Windows with support for WPA and WPA2 (IEEE 802.11i / RSN). It is suitable for both desktop/laptop computers and embedded systems. Supplicant is the IEEE 802.1X/WPA component that is used in the client stations. It implements key negotiation with a WPA Authenticator and it controls the roaming an
WifiDocs/WPAHowTo - Community Help Wiki
Unsupported Version This article applies to an unsupported version of Ubuntu. More info... Style Cleanup Required This article does not follow the style standards in the Wiki Guide. More info... WPA configuration is handled seamlessly by the "just works" WifiDocs/NetworkManager and should be installed with recent versions of Ubuntu. If not you can go through the procedure to install it manually he
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Twitter Trackbacks () 玄人志å‘「玄箱ã€ã®ãƒ•ã‚¡ãƒ³äº¤æ› (ID-Blogger) Brandnew-J ã‚’ Windows 2000ã§èžã„ã¦ã¿ã‚ˆã† (黒翼猫ã®ã‚³ãƒ³ãƒ”ュータ日記 2nd Edition) [pc]自宅ã®ç„¡ç·šLANã®è¨å®šã‚’ã‚„ã£ã¨WEP→WPA-AESã«å¤‰æ›´ã€ã€ã€ã—ãŸã‚‰çµæ§‹å¯¾å¿œã—ã¦ã„ãªã„機器ãŒå¤šãã¦å›°ã‚‹ã€‚ (趣味ã¨ç‰©æ¬²) ã‚„ã£ã¨ç„¡ç·šLAN接続完了 (Turtle日記 Annex) KNOPPIXã®USBメモリブートæˆåŠŸã—ãŸãŒãƒ»ãƒ»ãƒ» (日々雑録　ã¾ãŸã¯ã€€é”法ã®ç«ªç´) [linux]KNOPPIX 5.1.1 ã‚’USBメモリã«ã‚¤ãƒ³ã‚¹ã‚³ (山河ã«åœ¨ã‚Šã¦) Knoppix5.1.1 for USB (Ginger Blog) [computing] KNOPPIXã‚’USBメモリã«å…¥ã‚ŒãŸã„ (ãŸã‘ã²ã“日記) 玄箱ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ã‚ャナã®è¨å®šâ™ª (ã“ã“ã‚ã®è¶³è·¡ ver 2.
ç„¡ç·šLANã‚’WPAã§æš—å·åŒ–ã—ã¦ä½¿ç”¨ã™ã‚‹ã«ã¯ ï¼ ï¼ IT
ç„¡ç·šLAN環境ã§wpa_supplicant（http://hostap.epitest.fi/wpa_supplicant/）を使用ã™ã‚Œã°ã€WPAã«ã‚ˆã‚‹æš—å·åŒ–ãŒå¯èƒ½ã （注）。ã“ã“ã§ã¯ã€Broadcomã®BCM4306ã‚’æ載ã—ãŸç„¡ç·šLANカードをノートPCã«å·®ã—ã¦ã€WPA-AESè¨å®šã•ã‚ŒãŸã‚¢ã‚¯ã‚»ã‚¹ãƒã‚¤ãƒ³ãƒˆã¸æŽ¥ç¶šã™ã‚‹æ–¹æ³•ã‚’紹介ã™ã‚‹ã€‚ 注：Fedora Core 6（FC6）ã®å ´åˆã€ã‚·ã‚¹ãƒ†ãƒ インストール時ã«ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚ªãƒ—ションをé¸æŠžã—ã¦ã„ã‚Œã°è‡ªå‹•çš„ã«å°Žå…¥ã•ã‚Œã‚‹ã€‚ ã¾ãšã€ç„¡ç·šLANãŒä½¿ç”¨ã§ãる状態ã‹ã©ã†ã‹ã‚’確èªã™ã‚‹ã€‚［システム］メニューã®ï¼»ç®¡ç†ï¼½ï¼ï¼»ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ï¼½ã‚’é¸æŠžã—ã¦ã€ï¼»ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è¨å®šï¼½ï¼ˆsystem-config-network）を起動ã™ã‚‹ã€‚ ï¼»ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è¨å®šï¼½ã®ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ãŒè¡¨ç¤ºã•ã‚ŒãŸã‚‰ã€ï¼»ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ï¼½ã‚¿ãƒ–をクリックã—ã¦ã€ç„¡ç·šLANã®ãƒ‡ãƒã‚¤ã‚¹ãŒèªè˜ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’確èª
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