...
| 코드 블럭 |
|---|
| theme | Emacs |
|---|
| title | /etc/hosts.allow 수정 |
|---|
|
#
# hosts.allow This file describes the names of the hosts which are
# allowed to use the local INET services, as decided
# by the '/usr/sbin/tcpd' server.
#
sshd: 150.183.
sshd: 172.16.
sshd: 210.117.
sshd: 210.125.
sshd: 220.66.
sshd: 220.92. |
[ 리눅스 최근 사용자/IP 조회 ]를 참고하여, 최근~1000번째 접속 IP를 추려내어 적용하면 안전함.
| 코드 블럭 |
|---|
| theme | Emacs |
|---|
| title | /etc/hosts.deny 수정 |
|---|
|
#
# hosts.deny This file describes the names of the hosts which are
# *not* allowed to use the local INET services, as decided
# by the '/usr/sbin/tcpd' server.
#
sshd: ALL |
...