UGreen DXP4800 Pro

  1. 기본앱 방화벽보다 UFW 가 낫다...
    유그린 UPS 포트 3493

  2. UID1000 / GID10

  3. Fail2Ban 설치

apt install fail2ban
cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
vi /etc/fail2ban/jail.local # [sshd] enabled = true, maxretry, bantime 추가

  1. 검열해제: systemd-resolved, zapret2

apt install systemd-resolved # DNSSEC, DNSOverTLS enable
https://github.com/bol-van/zapret2 # blockcheck2.sh

하면서 조금씩 추가.