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1.1 ÈõÃÜÂë¹¥»÷£º

ÈõÃÜÂëÊǹ¥»÷ÕßÈëÇÖЧÀÍÆ÷µÄ×î»ù±¾·½·¨Ö®Ò»¡£ÈõÃÜÂë°üÀ¨ÍƲâÃÜÂ롢ʹÓó£¼ûÃÜÂ롢ʹÓüòÆÓµÄÃÜÂëµÈ¡£Îª×èÖ¹ÕâÖÖÎó²î£¬ÖÎÀíÔ±Ó¦¸ÃÃãÀøÓû§Ê¹ÓÃÖØ´óµÄÃÜÂ룬²¢°´ÆÚÌæ»»ÃÜÂë¡£

1.2 ¸üв¹¶¡ºÍÇå¾²Îó²î£º

°´ÆÚ¸üÐÂϵͳºÍÓ¦ÓóÌÐòµÄ²¹¶¡ÊǼá³ÖЧÀÍÆ÷Çå¾²ÐÔµÄÒªº¦¡£ÓÉÓÚеÄÎó²îºÍųÈõÐÔÒ»Ö±±»·¢Ã÷£¬ÊµÊ±µÄ¸üпÉÒÔïÔÌ­±»ºÚ¿ÍÈëÇÖµÄΣº¦¡£ÒÔÏÂÊÇʹÓÃapt»òyumÏÂÁî¸üÐÂϵͳµÄʾÀý´úÂ룺

Debian/Ubuntuϵͳ¸üÐÂ

sudo apt-get update

sudo apt-get upgrade

CentOS/Red Hatϵͳ¸üÐÂ

sudo yum update

1.3 ½ûÓò»ÐëÒªµÄЧÀͺͶ˿ڣº

ÔÚЧÀÍÆ÷ÉÏÔËÐв»ÐëÒªµÄЧÀͺͿª·Å²»ÐëÒªµÄ¶Ë¿Ú»áÔöÌí±»¹¥»÷µÄΣº¦¡£Ó¦¸Ã°´ÆÚ¼ì²éЧÀͺͶ˿Ú£¬²¢½ûÓûò¹Ø±ÕÄÇЩ²»ÐèÒªµÄ¡£ÒÔÏÂÊǽûÓÃApacheЧÀͺ͹رÕFTP¶Ë¿ÚµÄʾÀý´úÂ룺

½ûÓÃApacheЧÀÍ£¨Debian/Ubuntu£©

sudo systemctl disable apache2

×èÖ¹ºÍ½ûÓÃFTPЧÀÍ£¨CentOS/Red Hat£©

sudo systemctl stop vsftpd

sudo systemctl disable vsftpd

1.4 ·À»ðǽÉèÖãº

ÉèÖúÍʹÓ÷À»ðǽÊDZ £»¤Ð§ÀÍÆ÷Çå¾²ÐÔµÄÖ÷Òª²½·¥Ö®Ò»¡£·À»ðǽ¿ÉÒÔ×ÊÖú¹ýÂ˶ñÒâÁ÷Á¿£¬²¢±ÜÃâδ¾­ÊÚȨµÄ»á¼û¡£ÒÔÏÂÊÇʹÓÃiptablesÉèÖ÷À»ðǽµÄʾÀý´úÂ룺

ÔÊÐíSSH»á¼û£¨¶Ë¿ÚºÅΪ22£©

sudo iptables -A INPUT -p tcp –dport 22 -j ACCEPT

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2.1 ʹÓÃSSHÃÜÔ¿ÈÏÖ¤£º

ʹÓÃSSHÃÜÔ¿ÈÏÖ¤±ÈÃÜÂë¸üÇå¾²£¬ÓÉÓÚËü½ûÖ¹Ò×±»ÍƲâ»òÆƽâ¡£ÖÎÀíÔ±Ó¦ÃãÀøÓû§Ê¹ÓÃSSHÃÜÔ¿ÈÏÖ¤£¬²¢½ûÓÃÃÜÂëµÇ¼¡£ÒÔÏÂÊÇʹÓÃSSHÃÜÔ¿µÇ¼µÄʾÀý´úÂ룺

ÌìÉúSSHÃÜÔ¿¶Ô£¨¿Í»§¶Ë»úеÉÏÖ´ÐУ©

ssh-keygen

½«¹«Ô¿¸´ÖƵ½Ð§ÀÍÆ÷£¨¿Í»§¶Ë»úеÉÏÖ´ÐУ©

ssh-copy-id user@server_ip

½ûÓÃÃÜÂëµÇ¼£¨Ð§ÀÍÆ÷Éϱ༭SSHÉèÖÃÎļþ£©

sudo nano /etc/ssh/sshd_config

PasswordAuthentication no

ÖØÆôSSHЧÀÍ£¨Ð§ÀÍÆ÷ÉÏÖ´ÐУ©

sudo systemctl restart sshd

2.2 ÉèÖõǼʧ°ÜÕ½ÂÔ£º

ÉèÖõǼʧ°ÜÕ½ÂÔ¿ÉÒÔ±ÜÃⱩÁ¦ÆƽâʵÑ顣ͨ¹ýÏÞÖÆÒ»Á¬µÇ¼ʧ°ÜµÄ´ÎÊýºÍËø¶¨IPµØµã£¬¿ÉÒÔÓÐÓÃïÔÌ­±»¹¥»÷µÄΣº¦¡£ÒÔÏÂÊÇÉèÖõǼʧ°ÜÕ½ÂÔµÄʾÀý´úÂ룺

Ëø¶¨IPµØµã£¨CentOS/Red Hat£©

sudo yum install fail2ban

±à¼­Fail2banÉèÖÃÎļþ£¨CentOS/Red Hat£©

sudo nano /etc/fail2ban/jail.local

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2.3 °´ÆÚ±¸·ÝÊý¾Ý£º

°´ÆÚ±¸·Ý¿ÉÒÔ×ÊÖú»Ö¸´Êܵ½¹¥»÷»òË𻵵ÄЧÀÍÆ÷¡£ÖÎÀíÔ±Ó¦¸Ã°´ÆÚ±¸·ÝÖ÷ÒªµÄÊý¾Ý£¬²¢²âÊÔ±¸·ÝµÄ¿ÉÓÃÐԺͻָ´Àú³Ì¡£ÒÔÏÂÊÇʹÓÃrsyncÏÂÁî¾ÙÐа´ÆÚ±¸·ÝµÄʾÀý´úÂ룺

½«ÍâµØĿ¼±¸·Ýµ½Ô¶³ÌЧÀÍÆ÷£¨ÌìÌìÖ´ÐУ©

rsync -avz /path/to/local/directory/ user@remote_server:/path/to/remote/directory/

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