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uzulla id:uzulla

networkã«é–¢ã™ã‚‹uzullaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (92)

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CentOSã§OCNãƒãƒ¼ãƒãƒ£ãƒ«ã‚³ãƒã‚¯ãƒˆ
æ›´æ–°å±¥æ´ 2023/02/19ã€€CentOS8ç”¨ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’å¤‰æ›´ 2023/01/05ã€€CentOS8ç”¨ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’å¤‰æ›´ 2021/10/25ã€€2.5 æ€§èƒ½ã« UDP ã® SNAT ã®å‹•ä½œã‚’è¿½è¨˜ 2020/12/10ã€€CentOS8.3ã§å‹•ä½œç¢ºèªã€‚CentOS8ç”¨ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’å°‘ã—å¤‰æ›´ 2020/06/27ã€€2.5 æ€§èƒ½ ã‚’è¿½åŠ ã€‚CentOS8ç”¨ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆæ³¨é‡ˆè¿½è¨˜ 2020/06/20ã€€ã‚¹ã‚¯ãƒªãƒ—ãƒˆä¿®æ£ã€CentOS8ç”¨ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã€ãƒãƒ¼ãƒˆãƒ•ã‚©ãƒ¯ãƒ¼ãƒ‰è¨å®šä¾‹è¿½åŠ ç‰ 2020/03/23ã€€ãƒãƒ¼ãƒˆæ•°ã‚’é–“é•ã£ã¦ã„ãŸã®ã§ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ä¿®æ£ ã¾ãˆãŠã å‰å›ž IPv4(PPPoE) + IPv6(IPoE) ã®ç’°å¢ƒã‚’ä½œã‚Šã¾ã—ãŸã€‚ä»Šå›žã¯ã•ã‚‰ã«IPv4 over IPv6ã‚’è¿½åŠ ã—ã¦ã€IPv4ãªã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚‚IPoEã‚’ä½¿ãˆã‚‹ã‚ˆã†ã«ã—ãŸã„ã¨æ€ã„ã¾ã™ Linuxã®çŸ¥è˜ã‚‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®çŸ¥è˜ã‚‚ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã®çŸ¥è˜ã‚‚
uzulla 2023/01/02
network

IPoE
ãƒªãƒ³ã‚¯
Features - Speedify
uzulla 2015/04/17
3Gã€Wifiã€LANãªã©ã®è¤‡æ•°IFï¼ˆãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ï¼‰Bondingã™ã‚‹ã‚„ã¤ã€‚çµæ§‹è‰¯ã„ã‚‰ã—ã„

network
ãƒªãƒ³ã‚¯
ã‚ˆãã‚ã‹ã‚‹Linuxå¸¯åŸŸåˆ¶é™ | GREE Engineering
çŸ¢å£ã§ã™ã€‚ ã¿ãªã•ã‚“ã¯Linuxã®tcã¨ã„ã†æ©Ÿèƒ½ã‚’ã”å˜çŸ¥ã§ã—ã‚‡ã†ã‹ã€‚é€ä¿¡ã™ã‚‹ãƒ‘ã‚±ãƒƒãƒˆã®å¸¯åŸŸåˆ¶å¾¡ã‚’è¡Œã†ã“ã¨ãŒã§ãã‚‹å¤§å¤‰å¼·åŠ›ãªæ©Ÿèƒ½ã§ã€ã‚°ãƒªãƒ¼ã§ã‚‚ã„ãã¤ã‹ã®ç”¨é€”ã§ä½¿ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚ å…·ä½“çš„ãªäº‹ä¾‹ã®ä¸€ã¤ã¯Redisã§ã™ã€‚Redisã§ã¯replicationã‚’æ–°è¦ã«é–‹å§‹ã™ã‚‹éš›ã‚„failoverãŒç™ºç”Ÿã—masterãŒåˆ‡ã‚Šæ›¿ã‚ã£ãŸéš›(ç‰¹ã«2.6ç³»)ã«ã‚¹ãƒˆã‚¢ã•ã‚Œã¦ã„ã‚‹å…¨ãƒ‡ãƒ¼ã‚¿ãŒè»¢é€ã•ã‚Œã¾ã™ã€‚ã—ã‹ã—å¸¯åŸŸåˆ¶é™ã‚’ã‹ã‘ã‚‹æ©Ÿèƒ½ãŒãªã„ãŸã‚ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å¸¯åŸŸã‚’åœ§è¿«ã—ã¦ã—ã¾ã†å±é™ºæ€§ãŒã‚ã‚Šã¾ã™ã€‚ã¾ãŸé€šå¸¸ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã®é€šä¿¡ã§ã‚‚å¤§é‡ã®ã‚¯ã‚¨ãƒªã«ã‚ˆã‚Šäºˆæƒ³ä»¥ä¸Šã®å¸¯åŸŸã‚’ä½¿ç”¨ã—ã¦ã—ã¾ã†å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®ã‚ˆã†ãªå ´åˆã«tcã‚’ç”¨ã„ã‚‹ã“ã¨ã§Redisã®ä½¿ç”¨ã™ã‚‹å¸¯åŸŸã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã§ãã¾ã™ã€‚ ã“ã®ã‚ˆã†ã«æœ‰ç”¨ãªtcã§ã™ãŒæ®‹å¿µãªã“ã¨ã«æ—¥æœ¬èªž/è‹±èªžã¨ã‚‚ã«ã‚ã‹ã‚Šã‚„ã™ã„è§£èª¬ã‚„è©³ç´°ãªæƒ…å ±ã¯å¤šãã‚ã‚Šã¾ã›ã‚“ã€‚ ç§ã‚‚ç¤¾å†…ã«ãŠã„ã¦ä½¿ã‚ã‚Œã¦ã„ãŸtcã®è¨å®šã«å•é¡ŒãŒ
uzulla 2014/10/08
linux

å¸¯åŸŸåˆ¶å¾¡

network
ãƒªãƒ³ã‚¯
Forward all ports on a ip to another?
uzulla 2014/05/13
network
ãƒªãƒ³ã‚¯
QRsetup ã‚¨ã‚¢ã‚¹ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ 11ac/n/a/g/b 433/150Mbps ç„¡ç·šLANè¦ªæ©Ÿ
â€»é€Ÿåº¦è¡¨è¨˜ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹å ´åˆã€ç‰¹åˆ¥ãªæ–ã‚ŠãŒç„¡ã‘ã‚Œã°è¦æ ¼å€¤ã§ã‚ã‚Šã€å®Ÿç’°å¢ƒã§ã®é€Ÿåº¦ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ â€»å„ä¼šç¤¾åãƒ»å•†å“åãªã©ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹å ´åˆã¯ã€ä¸€èˆ¬ã«å„ç¤¾ã®å•†æ¨™ã¾ãŸã¯ç™»éŒ²å•†æ¨™ã§ã™ã€‚ â€»ä¾¡æ ¼ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹å ´åˆã¯ã€å¸Œæœ›å°å£²ä¾¡æ ¼ã§ã™ã€‚ â€»è¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹ä»•æ§˜ã€ä¾¡æ ¼ã€ãƒ‡ã‚¶ã‚¤ãƒ³ãªã©ã¯äºˆå‘Šãªãå¤‰æ›´ã™ã‚‹å ´åˆãŒã‚ã‚Šã¾ã™ã€‚
uzulla 2014/04/16
æ¬²ã—ã„

network

wifi
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Wiresharkã§SSLé€šä¿¡ã®ä¸èº«ã‚’è¦—ã„ã¦ã¿ã‚‹ - ã‚ã°é›»åãŒè©°ã¾ã¤ã¦ã‚ã‚‹
OpenSSLã®è„†å¼±æ€§ã€ŒHeartbleedã€ãŒä¸–é–“ã‚’è³‘ã‚ã›ã¦ã„ã¾ã™ãŒã€è‰²ã€…ã¨ä¹—ã‚Šé…ã‚Œã¦ã—ã¾ã£ãŸæ„ŸãŒã‚ã‚‹ã®ã§ã€ã‚†ã‚‹ã‚†ã‚‹ã¨è½ã¡ç©‚æ‹¾ã„ã‚’ã—ã‚ˆã†ã‹ã¨æ€ã„ã¾ã™ã€‚ Heartbleedã§ç§˜å¯†éµã‚’æ‰‹ã«å…¥ã‚ŒãŸã‚‰SSLé€šä¿¡ã®ä¸èº«å…¨éƒ¨è¦‹ãˆã¡ã‚ƒã†ã˜ã‚ƒã‚“!! ã¨ã„ã†äº‹æ…‹ã«ãªã£ã¦ã„ã¾ã™ãŒã€ãªã‚“ã¨ãªãç†è«–çš„ã«ãã†ã ã‚ã†ãªã¨åˆ†ã‹ã‚‹ã‚‚ã®ã®ã‚¤ãƒžã‚¤ãƒå…·ä½“çš„ãªæ‰‹é †ãŒåˆ†ã‹ã‚‰ãªã„ã€‚ ã¨ã„ã†ã‚ã‘ã§ä»Šå›žã®ãƒ†ãƒ¼ãƒžã¨ã—ã¦ã€æ‰‹å…ƒã«ã‚µãƒ¼ãƒã®ç§˜å¯†éµã¨ã€SSLé€šä¿¡ã‚’ãƒ‘ã‚±ãƒƒãƒˆã‚ãƒ£ãƒ—ãƒãƒ£ã—ãŸpcapãƒ•ã‚¡ã‚¤ãƒ«ãŒã‚ã‚‹ã¨ãã«ã€Wiresharkã§ã©ã‚“ãªæ„Ÿã˜ã§SSLé€šä¿¡ã‚’ã€Œã»ã©ãã€ã®ã‹â€¦â€¦ã¨ã„ã†å…·ä½“çš„ãªæ‰‹é †ã‚’ã€ãƒãƒžã‚Šæ‰€ã‚’å«ã‚ã¦ã¾ã¨ã‚ã¦ãŠã“ã†ã‹ã¨æ€ã„ã¾ã™ã€‚ ã¨ã„ã†ã‹ã€ç§è‡ªèº«ãŒãƒãƒžã£ãŸã®ã§è‡ªåˆ†ç”¨ãƒ¡ãƒ¢ã§ã™ãªã€‚ãªãŠã“ã®æ–‡æ›¸ã§ã¯"SSL"ã¨ã ã‘è¨˜è¿°ã—ã€TLSã¯ç„¡è¦–ã—ã¦ã„ã¾ã™ã€‚ å‰ææ¡ä»¶ ã¨ã‚Šã‚ãˆãšä»¥ä¸‹ã®ã‚ˆã†ãªæ„Ÿã˜ã®æ¤œè¨¼ç’°å¢ƒã§è©¦ã—ã¾ã—ãŸã€‚ IPã‚¢ãƒ‰ãƒ¬ã‚¹ èª¬æ˜Ž ãƒ›ã‚¹ãƒˆO
uzulla 2014/04/14
network

ssl
ãƒªãƒ³ã‚¯
[CentOS]ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒã®ç§»è¡Œ(å¼•ã£è¶Šã—)ã¨POP3ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ–°ã‚µãƒ¼ãƒã¸ã®è»¢é€
ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒã‚’ç§»è¡Œ(å¼•ã£è¶Šã—)ã™ã‚‹éš›ã€ãƒãƒƒã‚¯ã¨ãªã‚‹ã®ã¯DNSãŒæµ¸é€ã™ã‚‹é–“ã€å¼•ã£è¶Šã—å‰ã®ã‚µãƒ¼ãƒ(æ—§ã‚µãƒ¼ãƒ)ã«é…é€ã•ã‚Œã¦ãã‚‹ãƒ¡ãƒ¼ãƒ«ã‚„æ—§ã‚µãƒ¼ãƒã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ãã‚‹POP3ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã§ã™ ã“ã“ã§ã¯POP3ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã«ã¤ã„ã¦ã€æ—§ã‚µãƒ¼ãƒã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ããŸã‚‚ã®ã‚’æ–°ã‚µãƒ¼ãƒã«ãƒãƒ¼ãƒˆè»¢é€ã™ã‚‹ã“ã¨ã§ã“ã®å•é¡Œã‚’è§£æ±ºã—ãŸã„ã¨æ€ã„ã¾ã™
uzulla 2014/03/17
ã“ã®ç§»è»¢è¨å®šç”·ã‚‰ã—ã„ãªã€ã¡ã‚ƒã‚“ã¨ã“ã‚Œã§ã†ã”ãã®ã‹ã€œ

network
ãƒªãƒ³ã‚¯
tcpdumpã¨iptablesã®é–¢ä¿‚ - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
è¿½è¨˜ 2009-04-03 ã¾ã£ãŸãã‚‚ã£ã¦ãƒ–ã‚³ãƒ¡ã§ã„ãŸã ã„ãŸæŒ‡æ‘˜ã®é€šã‚Šã§ã™ï¼žï¼œ h2onda linux, tcpdump tcpdump(ã¨ã„ã†ã‹libpcap)ã¯ã€ãƒ‡ãƒ¼ã‚¿ãƒªãƒ³ã‚¯å±¤(OSI layer2)ãƒ¬ãƒ™ãƒ«ã§ãƒ‘ã‚±ãƒƒãƒˆã‚’å–å¾—ã™ã‚‹ packet ãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ä½¿ã£ã¦ã‚‹ã®ã§ã€ãã†ãªã‚Šã¾ã™ã€‚å‚ç…§: man packet(7) 2009/04/02 ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ - h2ondaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ / 2009å¹´4æœˆ2æ—¥ tt_clown network ç´°ã‹ã„ã‘ã©ï¼Œå›³ã¯é€†ï¼ˆNIC ãŒä¸‹ï¼‰ã®ãŒè‰¯ã„ã‹ãªã¨æ€ã£ãŸï¼Ž/ "ip"tables ã¨è¨€ã†ä½ã ã‹ã‚‰ï¼ŒIPå±¤ã§ãƒ‘ã‚±ãƒƒãƒˆã‚’ãƒ•ã‚£ãƒ«ã‚¿ã—ã¦ã‚‹ã¦äº‹ã ã‚ã†ãªï¼Žtcpdumpã¯Ethernet Frameã‚‚è¦‹ãˆã‚‹ã®ã§ï¼Œå¾Œã¯åˆ†ã‹ã‚‹ãªï¼Ÿãƒ»ãƒ»ãƒ»ã¦ã¨ã“ã‹ï¼Ž 2009/04/02 ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ - tt_clownã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ / 2009å¹´4æœˆ2æ—¥ pack
uzulla 2012/05/11
network.sniffer

network

linux.admin
ãƒªãƒ³ã‚¯
ã€Œpingã€ã«ã‚ˆã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€šä¿¡æ©Ÿèƒ½ã‚’å®Ÿè£…ã—ã¦ã¿ã‚ˆã†
æœ¬é€£è¼‰ã§ã¯ã€å¦ç¿’ç”¨ãƒ»ãƒ›ãƒ“ãƒ¼ç”¨ã®çµ„ã¿è¾¼ã¿OSã€ŒKOZOSã€ã‚’ä½¿ã£ã¦ã€ãƒžã‚¤ã‚³ãƒ³ãƒœãƒ¼ãƒ‰ä¸Šã§ã„ã‚ã„ã‚ã¨å®Ÿé¨“ã‚’ã—ã¤ã¤ã€ãƒ•ãƒ«ã‚¹ã‚¯ãƒ©ãƒƒãƒã§çµ„ã¿è¾¼ã¿OSã‚’è‡ªä½œã—ã¦ã„ãéŽç¨‹ã‚’ä½“é¨“ã—ã¦ã„ãã¾ã™ã€‚æœ€çµ‚çš„ã«ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢å®Œå…¨è‡ªä½œã®Webã‚µãƒ¼ãƒã‚’å‹•ã‹ã™ã“ã¨ã«ãƒãƒ£ãƒ¬ãƒ³ã‚¸ã—ã¾ã™ï¼ å‰å›žã€Œã‚³ãƒžãƒ³ãƒ‰å¿œç”ã‚’ãƒžãƒ«ãƒã‚¿ã‚¹ã‚¯ã§å®Ÿè£…ã—ã¦ã¿ã‚ˆã†ã€ã§ã¯ã€ã‚³ãƒžãƒ³ãƒ‰å¿œç”ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ãƒžãƒ«ãƒã‚¿ã‚¹ã‚¯æ§‹é€ ã§å®Ÿè£…ã—ã€â€œã‚µãƒ¼ãƒ“ã‚¹ã‚’ãƒžãƒ«ãƒã‚¿ã‚¹ã‚¯ã§æ§‹æˆã™ã‚‹ã“ã¨â€ã®ãƒ¡ãƒªãƒƒãƒˆã‚’èª¬æ˜Žã—ã¾ã—ãŸã€‚ ä»Šå›žã¯ã€ã„ã‚ˆã„ã‚ˆâ€œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€šä¿¡æ©Ÿèƒ½ã‚’å®Ÿè£…â€ã—ã¦ã„ãã¾ã™ã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€šä¿¡ã®ã‚ˆã†ãªè¤‡é›‘ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè£…ã™ã‚‹ã¨ã€ãƒžãƒ«ãƒã‚¿ã‚¹ã‚¯æ§‹æˆã«ã™ã‚‹ã“ã¨ã®æœ‰ç”¨æ€§ãŒã“ã‚Œã¾ã§ä»¥ä¸Šã«å®Ÿæ„Ÿã§ãã‚‹ã¯ãšã§ã™ã€‚ 1ï¼Žãƒžã‚¤ã‚³ãƒ³ãƒœãƒ¼ãƒ‰ã¨ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ æœ¬é€£è¼‰ã§ã¯ã€ç§‹æœˆé›»åé€šå•†ã®ã€ŒH8/3069Fãƒãƒƒãƒˆå¯¾å¿œãƒžã‚¤ã‚³ãƒ³LANãƒœãƒ¼ãƒ‰ï¼ˆå®Œæˆå“ï¼‰ã€ï¼ˆå›³1ï¼‰ã‚’åˆ©ç”¨ã—ã¾ã™ã€‚ãƒžã‚¤ã‚³ãƒ³ãƒœãƒ¼ãƒ‰ã®è©³ç´°ã«ã¤ã„ã¦ã¯é€£è¼‰ç¬¬1å›žã‚’å‚ç…§
uzulla 2011/11/03
network

network.programing
ãƒªãƒ³ã‚¯
www.cablemap.info has a new home.
After maintaining the map for years, it has become difficult for me to find time to continue the work. Fortuantely, there is a team who is keen to take the project further and improve on it. The map and data will always rem ain free, and I'm confident the new custodians will do the project justice. The new home will be: https://www.networkatlas.org/ The map is available at: https://dev.networkatlas
uzulla 2011/08/22
æµ·åº•ã‚±ãƒ¼ãƒ–ãƒ«

network

internet
ãƒªãƒ³ã‚¯
The default dynamic port range for TCP/IP has changed in Windows Vista and in Windows Server 2008 - Windows Server
Applies to: Â Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows 10 - all editions Original KB number: Â 929851 Introduction To comply with Internet Assigned Numbers Authority (IANA) recommendations, Microsoft has increased the dynamic client port range for outgoing connections in Windows Vista and Windows Server 2008. The new default start port is 49152, and the new default
uzulla 2011/07/14
Windowsã®ã‚½ãƒ¼ã‚¹ãƒãƒ¼ãƒˆ ãƒ¬ãƒ³ã‚¸

windows

admin

network

network.fw
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NSTX (IP-over-DNS) HOWTO
The information presented here is obsolete. Take a look at Iodine. You're sitting in an airport or in a cafe, and people want your money for Internet access. They do allow DNS traffic, though. If the ISP allows DNS traffic to any DNS server (and not just their own), you might consider running OpenVPN on UDP port 53 (thanks to Norman Rasmussen for this suggestion). If they don't, however, NSTX come
uzulla 2010/03/29
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