IBM AIX
TMA-AIX-5.3.10
Ensure System Accounts cannot access system using ftp.
Mô tả
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.
Cách kiểm tra
Phương pháp kiểm tra: Xem xét thủ công
If ftp is active on the system, review the content of /etc/ftpusers and ensure there are no duplicate entries: cat /etc/ftpusers
Cách khắc phục
Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng
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
Thuộc tính
- Hệ điều hành
- Bất kỳ
- Thẻ
- aixaccounts
- Tham chiếu
- CIS IBM AIX 7 Benchmark v1.2.0 - 5.3.10 Ensure System Accounts cannot access system using ftp.