TMA-AIX-5.3.10
Ensure System Accounts cannot access system using ftp.
설명
If ftp is active on the system, the file /etc/ftpusers is a deny list used by ftp daemon containing a list of users who are not allowed to access the system via ftp. The /etc/ftpusers file contains a list of users who are not allowed to access the system via ftp. All users with a UID less than 200 should typically be added into the file.
점검 방법
감사 방식: 수동 검토
이 권장 사항은 자동으로 점검할 수 없습니다. --include-manual 옵션을 전달하면 스캔 결과에 이 지침과 함께 표시됩니다.
If ftp is active on the system, review the content of /etc/ftpusers and ensure there are no duplicate entries: cat /etc/ftpusers
조치 방법
조치 방식: 가이드 또는 인프라 패치
List all users with a UID less than 200 to the /etc/ftpusers file: lsuser -c ALL | grep -v ^#name |grep -v root | cut -f1 -d: | while read NAME; do if [ `lsuser -f $NAME | grep id | cut -f2 -d=` -lt 200 ] > /dev/null 2>&1; then echo "Would add $NAME to /etc/ftpusers" fi done NOTE: Review the list of users Add all relevant users with a UID of less that 200 to the /etc/ftpusers file: lsuser -c ALL | grep -v ^#name |grep -v root | cut -f1 -d: | while read NAME; do if [ `lsuser -f $NAME | grep id | cut -f2 -d=` -lt 200 ] > /dev/null 2>&1; then echo $NAME >> /etc/ftpusers fi done
속성
- 운영 체제
- 모두
- 태그
- aixaccounts
- 참고 자료
- CIS IBM AIX 7 Benchmark v1.2.0 - 5.3.10 Ensure System Accounts cannot access system using ftp.