سلام،
من روی سرورم CSF رو نصب کردم، تنظیمات امنیتی رو هم به شکل زیر ست کردم ...
ولی مدام گزارش های اینچنینی برام ثبت میشه توی لاگ سیستم :

IP 89.26.15.42 has 16997 failed login attempts: proftpd1=11292&proftpd2=5705
User ??? has 1874 failed login attempts: proftpd1=1874
User ???? has 1246 failed login attempts: proftpd1=1246
User ????? has 668 failed login attempts: proftpd1=668
User Mahdi has 627 failed login attempts: proftpd1=627
User f.sadeghi has 655 failed login attempts: proftpd1=655
User macd has 855 failed login attempts: proftpd1=855
User admin has 4280 failed login attempts: dovecot1=9&exim2=18&proftpd2=4253
User erfan has 797 failed login attempts: proftpd1=797
User artist has 784 failed login attempts: proftpd1=784
User nullerha has 820 failed login attempts: proftpd1=820
User roboso has 746 failed login attempts: proftpd2=746

من که عقلم به جایی قد نمی ده به نظرتون مشکل از کجا می تونه باشه ؟