[파일][보안] ftp 열고 telnet 막기 (2)

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예)

frog:*:1003:999:The Frog:/home/frog:/bin/nologin

# ls -al /bin/nologin

-rwxr-xr-x 1 root wheel 45 Jul 5 18:08 /bin/nologin

-=-=-=-=-=-=-=-=-

# more /bin/nologin

#!/bin/sh

echo “You can not log in!”

exit 0

# more /etc/shells

# List of acceptable shells for chpass(1).

# Ftpd will not allow users to connect who are not using

# one of these shells.

/bin/sh

/bin/csh

/usr/local/bin/bash

/bin/tcsh

/bin/nologin

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슈퍼컴퓨팅 전문 기업 클루닉스/ 상무(기술이사)/ 정보시스템감리사/ 시스존 블로그 운영자

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