仙石浩明ã®æ—¥è¨˜: chroot ã•ã‚ŒãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‹ã‚‰è„±å‡ºã—ã¦ã¿ã‚‹è¦ç´„ã™ã‚Œã°ã€ 「chrootãªã‚“ã¦ç°¡å˜ã«æŠœã‘られるã‹ã‚‰ã‚»ã‚ュリティ目的ã§ä½¿ã£ã¦ã‚‚æ„味ãªã„よ。〠ã£ã¦ã“ã¨ã。ãã†ã ã£ãŸã®ã‹ã€‚ ãã†ã ã£ãŸã®ã‹ orz Note that this call does not change the current working directory, so that `.' can be outside the tree rooted at `/'. In particular, the super-user can escape from a `chroot jail' by doing `mkdir foo; chroot foo; cd ..'. chroot ã™ã‚‹ã¨ãã¯ã€ãã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã¸ chdir ã—ã¦ãŠãã®ãŒå¸¸è˜ã¨ æ€ã£ã¦ã„ãŸã®ã§æ°—ã¥ã„ã¦ã„ãªã‹ã£ãŸã€‚ ã¤ã¾ã‚Šã€ æ•…æ„ã«ã‚«ãƒ¬ãƒ³ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ chroot 外ã¸ã‚‚ã£ã¦ã„ã‘ã°ã€ chroot ã•ã‚ŒãŸ
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