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starsky5 2011/08/24
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starsky5 2011/05/25
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starsky5 2011/05/11
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Engadget | Technology News & Reviews
My iPhone 11 is perfectly fine, but the new buttons on the iPhone 16 are compelling
starsky5 2011/05/06
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starsky5 2011/04/28
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starsky5 2011/04/23
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starsky5 2011/03/29
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starsky5 2011/03/29
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starsky5 2011/03/10
network
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starsky5 2010/10/17
server

design

network
ãƒªãƒ³ã‚¯
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starsky5 2010/09/20
netstat, lsof, socklist, sockstat

tips

network

security

server
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ä½•ã‹æ±ºã‚ãªãã‚ƒé§„ç›®ã§ã™ã‹ã€‚ Linuxã®backlogã«ã¤ã„ã¦
å°‘ã—ã ã‘çªã£è¾¼ã‚“ã è©±ã€‚ ï¼ˆæ›–æ˜§ã•ã¯äººé–“ã®è„³å†…è£œå®Œã«å§”ãã‚‹ã¨ã—ã¦ï½¥ï½¥ï½¥ã€‚ï¼‰ Linuxã«ã¯TCPã®3Wayãƒãƒ³ãƒ‰ã‚·ã‚§ã‚¤ã‚¯ï¼ˆå³ã¡ã€SYN,SYN/SCK,ACKï¼‰çŠ¶æ…‹ä¿æŒã«é–¢é€£ã—ã¦ã€ æ¬¡ã®ã‚ˆã†ãªãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’æŒã£ã¦ã„ã‚‹ã€‚ net.ipv4.tcp_max_syn_backlog=1024 ä½•ãã‚Œï¼Ÿã£ã¦äººã¯ # sysctl -a | grep tcp ç‰ã®ã‚³ãƒžãƒ³ãƒ‰ã§æŽ¢ã—ã¾ã™ã€‚ # sysctl -a | grep backlogï¼Ÿãã‚Œã˜ã‚ƒãƒŽã‚¤ã‚ºãŒç„¡ã•ã™ãŽã¦é¢ç™½ãï½Ž(ry ã“ã‚Œã¯ã€ã€ŒLinuxãŒSYNã‚’å—ä¿¡ã—ã€SYN/ACKã§å¿œç”ã—ãŸçŠ¶æ…‹ã‚’ã„ãã¤ä¿æŒã™ã‚‹ã‹ã€ã¨ã„ã†ã‚‚ã®ã€‚ é–¾å€¤ã‚’è¶…ãˆã‚‹ã¨ã€Linuxã¯æ–°è¦ã«æŽ¥ç¶šã—ã‚ˆã†ã¨ã™ã‚‹ãƒ›ã‚¹ãƒˆã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆï¼ˆSYNï¼‰ã‚’ç„¡è¦–ã™ã‚‹ã€‚ æœ€è¿‘ã®Linuxã‚’ã€æœ€è¿‘ã®ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã«ã¨ã‚Šã‚ãˆãšã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã¨ã€ åˆæœŸå€¤ã¯ä¸Šè¨˜ã®ã‚ˆã†ãª1024ã¨ã‹è¨€ã†æ•°å€¤ã«ãªã£ã¦ã„ã‚‹ã¨æ€ã†ã€‚ åˆ©ç”¨
starsky5 2010/09/08
network

tcp
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netstat - ãƒ›ã‚¹ãƒˆã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯çµ±è¨ˆã‚„çŠ¶æ…‹ã‚’ç¢ºèªã™ã‚‹
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starsky5 2010/08/22
linux

command

network
ãƒªãƒ³ã‚¯
libcurlã‚’iPhoneã‚¢ãƒ—ãƒªã‹ã‚‰ã¤ã‹ã†æ–¹æ³• (ã¤ã„ã§ã«opensslã‚‚) - KAYAC Engineers' Blog
iPhoneã‚¢ãƒ—ãƒªã‹ã‚‰è‡ªå·±è¨¼æ˜Žæ›¸ã® https ã‚µãƒ¼ãƒãƒ¼ã«æŽ¥ç¶šã—ã‚ˆã†ã¨æ€ã£ãŸå ´åˆã€ã©ã†ã™ã‚‹ã®ãŒã„ã„ã§ã—ã‚‡ã†ã€‚ æ™®é€šã« Objective-C ã® NSURLConnection ã‚’ä½¿ç”¨ã™ã‚‹ã¨è¨¼æ˜Žæ›¸ã®æ¤œè¨¼ã‚¨ãƒ©ãƒ¼ã«ãªã£ã¦ã—ã¾ã„ã¾ã™ã€‚å°‘ã—æ¤œç´¢ã™ã‚‹ã¨éžå…¬é–‹APIã‚’ä½¿ç”¨ã—ã¦å›žé¿ã™ã‚‹æ–¹æ³•ã‚‚ã‚ã‚‹ã‚ˆã†ã§ã™ã€‚(NSURLConnection +setAllowsAnyHTTPSCertificate:forHost) Cocoa ã‚¢ãƒ—ãƒªã ã¨ã“ã®æ–¹æ³•ã§è‰¯ã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã—ã‹ã— iPhone ã§ã¯å¯©æŸ»ã§ã¯ã˜ã‹ã‚Œã‚‹ã“ã¨è«‹ã‘åˆã„ã§ã™ã€‚ã¨è¨€ã†ã‹ã¯ã˜ã‹ã‚Œã¾ã—ãŸã€‚ ãã“ã§ libcurl ã‚’ã¤ã‹ã£ã¦ C ã®ä¸–ç•Œã§ HTTP æŽ¥ç¶šã‚’ã—ã¦ã—ã¾ãˆã°ãƒªã‚¸ã‚§ã‚¯ãƒˆã—ã‚ˆã†ãŒãªã„ã ã‚ã†ã¨ã„ã†ã“ã¨ã§ã‚„ã£ã¦ã¿ãŸã¨ãã®è¨˜éŒ²ã§ã™ã€‚ å‰æ ä»¥å¾Œã®ä½œæ¥ã¯ã™ã¹ã¦ iPhone SDK ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸ OSX ä¸Šã§è¡Œã£ã¦ã„ã¾ã™ã€‚ openssl
starsky5 2010/07/29
curl

iphone

http

network
ãƒªãƒ³ã‚¯
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starsky5 2010/06/30
network
ãƒªãƒ³ã‚¯
2008-01-03 - SSL - å…¼é›‘è¨˜
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starsky5 2010/06/15
ssl

security

network

ruby
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