[B! IPSec] rdcsã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

rdcs id:rdcs

IPSecã«é–¢ã™ã‚‹rdcsã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (8)

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IPSec ã‚µã‚¤ãƒˆé–“VPNã®è¨å®šä¾‹
ã€VPNGW1ã€‘ crypto isakmp policy 10 authentication pre-shared hash sha encryption aes 128 group 2 crypto isakmp key password address 100.2.2.2 VPNGW2ã®è¨å®šã¯ã€ãƒ”ã‚¢ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒå¤‰ã‚ã‚‹ã ã‘ã§VPNGW1ã¨ã»ã¨ã‚“ã©åŒã˜ã§ã™ã€‚ ã€VPNGW2ã€‘ crypto isakmp policy 10 authentication pre-shared hash sha encryption aes 128 group 2 crypto isakmp key password address 100.1.1.1 IPSecãƒˆãƒ©ãƒ³ã‚¹ãƒ•ã‚©ãƒ¼ãƒ ã‚»ãƒƒãƒˆã®è¨å®š æ¬¡ã«IPSec SAã§ã©ã®ã‚ˆã†ãªæš—å·åŒ–ã€ãƒãƒƒã‚·ãƒ¥ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’åˆ©ç”¨ã™ã‚‹ã‹ã¨ã„ã†IPSecãƒˆãƒ©ãƒ³ã‚¹ãƒ•ã‚©ãƒ¼ãƒ ã‚»ãƒƒãƒˆã®è¨å®š
rdcs 2011/10/18
IPSec
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rdcs 2011/10/17
IPSec

cisco
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IPSecã¨ã¯IPSecã¨ã¯ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ãƒ¬ãƒ™ãƒ«ã§ãƒ‘ã‚±ãƒƒãƒˆã®æš—å·åŒ–ã‚„èªè¨¼ã‚’è¡Œã„å®‰å…¨ãªé€šä¿¡ã‚’è¡Œã†ãŸã‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã™ã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ãƒ¬ãƒ™ãƒ«ã§ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æŠ€è¡“ãªã®ã§ã€IPSecã‚’åˆ©ç”¨ã™ã‚‹ã¨ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ä¾å˜ã›ãšã«ã™ã¹ã¦ã®IPãƒ‘ã‚±ãƒƒãƒˆã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚’ç¢ºä¿ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ IPSecã¯ã€RFCã§æ¨™æº–åŒ–ã•ã‚Œã¦ãŠã‚Šã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã§å®‰å…¨ã«é€šä¿¡ã‚’ã™ã‚‹ãŸã‚ã®ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆVPNã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã®æŠ€è¡“ã¨ã—ã¦ã€åºƒãåˆ©ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚IPSecã«ã‚ˆã‚‹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆVPNã¯ã€IPSec VPNã¨ã‚‚å‘¼ã°ã‚Œã¾ã™ã€‚ IPSecã®ãƒ—ãƒãƒˆã‚³ãƒ«IPSecã«ã‚ˆã‚‹é€šä¿¡ã§ã¯ã€ã„ãã¤ã‹ã®ãƒ—ãƒãƒˆã‚³ãƒ«ãŒçµ„ã¿åˆã‚ã•ã£ã¦å‹•ä½œã—ã¾ã™ã€‚ãã®ä¸ã§ã‚‚é‡è¦ãªã‚‚ã®ãŒæ¬¡ã®3ã¤ã§ã™ã€‚ ESP(Encapsulating Security Payload)AH(Authentication Header)IKE(Internet Key Ex
rdcs 2011/10/14
IPSec
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IPsec ã®ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ç›®çš„ã¨ã—ãŸ debug ã‚³ãƒžãƒ³ãƒ‰ã®ç†è§£ã¨ä½¿ç”¨
ã¯ã˜ã‚ã« ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã§ã¯ã€Cisco IOSÂ® ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨ PIX/ASA ã®ä¸¡æ–¹ã§ IPsec ã®å•é¡Œã‚’ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã™ã‚‹ãŸã‚ã«ä½¿ç”¨ã•ã‚Œã‚‹ä¸€èˆ¬çš„ãªãƒ‡ãƒãƒƒã‚°ã‚³ãƒžãƒ³ãƒ‰ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ å‰ææ¡ä»¶ è¦ä»¶ ã“ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã§ã¯ã€IPsec ã‚’ã™ã§ã«è¨å®šã—ã¦ã„ã‚‹ã“ã¨ã‚’å‰æã¨ã—ã¦ã„ã¾ã™ã€‚è©³ç´°ã«ã¤ã„ã¦ã¯ã€ã€ŒIPSec ãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³/IKE ãƒ—ãƒãƒˆã‚³ãƒ«ã€ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ ä½¿ç”¨ã™ã‚‹ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆ ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®æƒ…å ±ã¯ã€æ¬¡ã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«åŸºã¥ã„ã¦ã„ã¾ã™ã€‚ Cisco IOS(R) ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ IPsec æ©Ÿèƒ½ã‚»ãƒƒãƒˆã€‚ 56iï¼šå˜ä¸€ã®æ©Ÿ Data Encryption Standard (DES) èƒ½ã‚’ç¤ºã—ã¾ã™(Cisco IOSÂ®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒªãƒªãƒ¼ã‚¹11.2ä»¥é™)ã€‚ k2ï¼šTriple DES æ©Ÿèƒ½ã‚’ç¤ºã—ã¾ã™ï¼ˆCisco IOSÂ® ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ ãƒªãƒª
rdcs 2011/10/14
cisco

IPsec
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VRF-aware ipsec cheat sheet
rdcs 2011/10/14
IPsec

vrf
ãƒªãƒ³ã‚¯
PIX 6.x:ã‚¢ã‚¯ã‚»ã‚¹ ãƒªã‚¹ãƒˆã¨ NAT ã‚’ä½¿ç”¨ã—ã¦ PIX Firewall ã‚’ãƒ‘ã‚¹ã‚¹ãƒ«ãƒ¼ã™ã‚‹ IPSec ãƒˆãƒ³ãƒãƒ«ã®è¨å®šä¾‹
æ¦‚è¦ ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã§ã¯ã€Network Address Translationï¼ˆNAT; ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ã‚¢ãƒ‰ãƒ¬ã‚¹å¤‰æ›ï¼‰ã‚’å®Ÿè¡Œã™ã‚‹ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«çµŒç”±ã§ã® IPSec ãƒˆãƒ³ãƒãƒ«ã®è¨å®šä¾‹ã‚’ç¤ºã—ã¦ã„ã¾ã™ã€‚ 12.2(13)Tä»¥å‰ã®Cisco IOSÂ®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒªãƒªãƒ¼ã‚¹ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹å ´åˆã€ã“ã®è¨å®šã¯ãƒãƒ¼ãƒˆã‚¢ãƒ‰ãƒ¬ã‚¹å¤‰æ›(PAT)ã§ã¯æ©Ÿèƒ½ã—ã¾ã›ã‚“ã€‚ã“ã®ç¨®ã®è¨å®šã¯ã€IP ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã®ãƒˆãƒ³ãƒãƒ«ä¼é€ã«ä½¿ç”¨ã§ãã¾ã™ã€‚IPX ã‚„ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚° ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆãªã©ã€ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã‚’çµŒç”±ã—ãªã„ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã®æš—å·åŒ–ã«ã¯ã€ã“ã®è¨å®šã¯ä½¿ç”¨ã§ãã¾ã›ã‚“ã€‚ã“ã®ã‚ˆã†ãªç¨®é¡žã®è¨å®šã«ã¯ã€Generic Routing Encapsulationï¼ˆGRE; ç·ç§°ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚° ã‚«ãƒ—ã‚»ãƒ«åŒ–ï¼‰ãƒˆãƒ³ãƒãƒ«ä¼é€ãŒé©ã—ã¦ã„ã¾ã™ã€‚ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®ä¾‹ã§ã¯ã€Cisco 2621 ãƒ«ãƒ¼ã‚¿ã¨ 3660 ãƒ«ãƒ¼ã‚¿ãŒ 2 ã¤ã®ãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’çµ
rdcs 2011/10/14
IPsec
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IPSec VPN ã‚’ç”¨ã„ãŸ LAN-to-LAN æŽ¥ç¶šè¨å®šä¾‹
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rdcs 2011/10/05
IPsec
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rdcs 2011/10/05
IPSec
ãƒªãƒ³ã‚¯
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