1) \uc694\uccad\ud55c \ud30c\uc77c \ud639\uc740 \uc694\uccad\ud30c\uc77c\uc774 \ub4e4\uc5b4\uc788\ub294 \ub514\ub809\ud1a0\ub9ac\uc5d0 \ub300\ud55c \uc0ac\uc6a9\uad8c\ud55c\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \ub514\ub809\ud1a0\ub9ac\ub294 \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \uc124\uc815\ub418\uc5b4 \uc788\uc5b4\uc57c \ud558\uace0 \uc2a4\ud06c\ub9bd\ud2b8 \ud30c\uc77c\uc5d0 \uc2e4\ud589\uad8c\ud55c\uc774 \uc8fc\uc5b4\uc838\uc57c \ud569\ub2c8\ub2e4. telnet \uc73c\ub85c \uc6f9\uc11c\ubc84\uc0c1\uc5d0 \ub85c\uadf8\uc778\ud55c \ud6c4 \uc258 \uc0c1\ud0dc\uc5d0\uc11c chmod 751 ‘\ud574\ub2f9 \ub514\ub809\ud1a0\ub9ac \uc774\ub984 \ud639\uc740 \uc2a4\ud06c\ub9bd\ud2b8 \ud30c\uc77c \uc774\ub984’ \uacfc \uac19\uc740 \uba85\ub839\uc5b4\ub85c \uc0ac\uc6a9\uad8c\ud55c\uc744 \uc124\uc815\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4.
2) \ub9cc\uc57d \uc0ac\uc6a9\uad8c\ud55c \uc124\uc815\uc774 \uc801\uc808\ud788 \ub418\uc5b4 \uc788\ub2e4\uba74, \uc6f9\ud638\uc2a4\ud305 \uc11c\ube44\uc2a4 \uae30\uac04 \ub9cc\ub8cc\uc77c\uc744 \uccb4\ud06c\ud558\uc5ec \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \uae30\uac04\uc774 \ub9cc\ub8cc\ub418\uc5c8\uc744 \uacbd\uc6b0\uc5d0\ub294 \uae30\uac04\uc5f0\uc7a5\uc744 \ud558\uc2dc\uba74 \uc11c\ube44\uc2a4\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uac83\uc785\ub2c8\ub2e4.