´ÓÏÂÁîÐÐ×îÏÈ£º¹¹½¨Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐÎ
´ÓÏÂÁîÐÐ×îÏÈ£º¹¹½¨Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐÎ
Ëæ×Å»¥ÁªÍøµÄÉú³¤£¬Ô½À´Ô½¶àµÄÆóÒµºÍСÎÒ˽¼Ò×îÏȴ×Ô¼ºµÄЧÀÍÆ÷À´ÍйÜÍøÕ¾¡¢Ó¦ÓóÌÐòµÈ¡£¿ÉÊÇ£¬Çå¾²ÎÊÌâÒ²ËæÖ®¶øÀ´¡£ÎªÁËÈ·±£Ð§ÀÍÆ÷µÄÇå¾²ÐÔ£¬ÎÒÃÇÐèÒª´ÓÏÂÁîÐÐ×îÏȹ¹½¨Ò»¸öÇå¾²µÄLinuxЧÀÍÆ÷ÇéÐΡ£±¾ÎĽ«ÏÈÈÝһЩҪº¦µÄ°ì·¨ºÍ´úÂëʾÀý£¬×ÊÖúÄú¹¹½¨Ò»¸öÔ½·¢Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐΡ£
¸üвÙ×÷ϵͳºÍÈí¼þ
ÔÚ×îÏÈ֮ǰ£¬Ê×ÏÈҪȷ±£ÄúµÄЧÀÍÆ÷²Ù×÷ϵͳºÍÈí¼þ¶¼ÊÇ×îеİ汾¡£Í¨¹ýʹÓÃÒÔÏÂÏÂÁî¿ÉÒÔ¸üÐÂϵͳºÍÈí¼þ°ü£º
sudo apt update sudo apt upgrade sudo apt dist-upgrade
µÇ¼ºó¸´ÖÆ
¸ü¸ÄSSH¶Ë¿Ú
ĬÈÏÇéÐÎÏ£¬SSHЧÀÍʹÓÃ22¶Ë¿Ú¡£ÎªÁËÔöÌíЧÀÍÆ÷µÄÇå¾²ÐÔ£¬ÎÒÃÇ¿ÉÒÔ½«SSH¶Ë¿Ú¸ü¸ÄΪÆäËû¶Ë¿Ú¡£ÀýÈ磬½«SSH¶Ë¿Ú¸ü¸ÄΪ2222£¬¿ÉÒÔʹÓÃÒÔÏÂÏÂÁ
sudo nano /etc/ssh/sshd_config
µÇ¼ºó¸´ÖÆ
ÕÒµ½ÒÔÏÂÐУº
#Port 22
µÇ¼ºó¸´ÖÆ
½«ÆäÐÞ¸ÄΪ£º
Port 2222
µÇ¼ºó¸´ÖÆ
ÉúÑIJ¢¹Ø±ÕÎļþ¡£½ÓÏÂÀ´£¬ÖØмÓÔØSSHЧÀͲ¢½«ÆäÉèÖÃΪ¿ª»ú×ÔÆô¶¯£º
sudo systemctl reload sshd sudo systemctl enable sshd
µÇ¼ºó¸´ÖÆ
ÉèÖ÷À»ðǽ
·À»ðǽÊDZ£»¤Ð§ÀÍÆ÷µÄµÚÒ»µÀ·ÀµØ¡£ÎÒÃÇ¿ÉÒÔʹÓÃufwÀ´ÉèÖ÷À»ðǽ¹æÔò¡£Ê×ÏÈ£¬×°ÖÃufw£º
sudo apt install ufw
µÇ¼ºó¸´ÖÆ
È»ºó£¬ÆôÓ÷À»ðǽ²¢ÉèÖÃĬÈϹæÔò£º
sudo ufw enable sudo ufw default deny incoming sudo ufw default allow outgoing
µÇ¼ºó¸´ÖÆ
½ÓÏÂÀ´£¬ÉèÖÃÔÊÐíµÄ¶Ë¿Ú¡£ÀýÈ磬ÔÊÐíSSH¡¢HTTPºÍHTTPSÁ÷Á¿£º
sudo ufw allow 2222/tcp sudo ufw allow 80/tcp sudo ufw allow 443/tcp
µÇ¼ºó¸´ÖÆ
×îºó£¬ÖØмÓÔØ·À»ðǽ¹æÔò£º
sudo ufw reload
µÇ¼ºó¸´ÖÆ
×°ÖúÍÉèÖÃFail2Ban
Fail2BanÊÇÒ»¸öÇ¿Ê¢µÄ·À»¤¹¤¾ß£¬¿ÉÒÔ±ÜÃⱩÁ¦Æƽ⡢¶ñÒâµÇ¼µÈ¹¥»÷¡£Ê×ÏÈ£¬×°ÖÃFail2Ban£º
sudo apt install fail2ban
µÇ¼ºó¸´ÖÆ
È»ºó£¬¸´ÖÆĬÈÏÉèÖÃÎļþ²¢¾ÙÐÐÐ޸ģº
sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local sudo nano /etc/fail2ban/jail.local
µÇ¼ºó¸´ÖÆ
ÕÒµ½ÒÔÏÂÐУº
[sshd]
µÇ¼ºó¸´ÖÆ
½«ÆäÐÞ¸ÄΪ£º
[sshd] enabled = true port = ssh
µÇ¼ºó¸´ÖÆ
ÉúÑIJ¢¹Ø±ÕÎļþ¡£×îºó£¬ÖØмÓÔØFail2BanÉèÖãº
sudo systemctl reload fail2ban sudo systemctl enable fail2ban
µÇ¼ºó¸´ÖÆ
ÉèÖð´ÆÚ±¸·Ý
°´ÆÚ±¸·ÝÊÇÈ·±£Ð§ÀÍÆ÷Êý¾ÝÇå¾²µÄÒªº¦¡£Äú¿ÉÒÔʹÓÃrsyncÀ´ÊµÏÖ°´ÆÚ±¸·Ý¡£Ê×ÏÈ£¬×°ÖÃrsync£º
sudo apt install rsync
µÇ¼ºó¸´ÖÆ
È»ºó£¬½¨ÉèÒ»¸ö±¸·Ý¾ç±¾Îļþ£º
nano backup.sh
µÇ¼ºó¸´ÖÆ
½«ÒÔÏÂÄÚÈÝÌí¼Óµ½±¸·Ý¾ç±¾ÎļþÖУº
#!/bin/bash BACKUP_DIR="/path/to/backup/directory" SOURCE_DIR="/path/to/source/directory" rsync -avz --delete $SOURCE_DIR $BACKUP_DIR
µÇ¼ºó¸´ÖÆ
½«/path/to/backup/directoryÌ滻ΪÄúÏ£Íû´æ·Å±¸·ÝµÄÄ¿µÄĿ¼£¬½«/path/to/source/directoryÌ滻ΪÄúÐèÒª±¸·ÝµÄԴĿ¼¡£ÉúÑIJ¢¹Ø±ÕÎļþ¡£½ÓÏÂÀ´£¬ÉèÖñ¸·Ý¾ç±¾Îª¿ÉÖ´ÐÐÎļþ²¢½¨Éè׼ʱʹÃü£º
chmod +x backup.sh crontab -e
µÇ¼ºó¸´ÖÆ
Ìí¼ÓÒÔÏÂÐÐÒÔÌìÌìÆÆÏþ3µãÖ´Ðб¸·Ý¾ç±¾£º
0 3 * * * /path/to/backup.sh
µÇ¼ºó¸´ÖÆ
ÉúÑIJ¢¹Ø±ÕÎļþ¡£
ͨ¹ýƾ֤ÉÏÊö°ì·¨£¬ÔÚÏÂÁîÐÐÉϹ¹½¨Ò»¸öÇå¾²µÄLinuxЧÀÍÆ÷ÇéÐΡ£Õ⽫ȷ±£ÄúµÄЧÀÍÆ÷Ô½·¢Çå¾²£¬ÓÐÓõر£»¤ÄúµÄÊý¾ÝºÍÓ¦ÓóÌÐòÃâÊܶñÒâ¹¥»÷¡£¼ÇµÃʵʱ¸üÐÂϵͳºÍÈí¼þ¡¢¸ü¸ÄSSH¶Ë¿Ú¡¢ÉèÖ÷À»ðǽ¡¢×°ÖúÍÉèÖÃFail2Ban¡¢ÉèÖð´ÆÚ±¸·ÝµÈÒªº¦°ì·¨¡£Ï£Íû±¾ÎÄÄÜΪÄú¹¹½¨Ò»¸öÔ½·¢Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐÎÌṩ×ÊÖú¡£
ÒÔÉÏÊǽü1500¸ö×ÖµÄÖÐÎÄÎÄÕ£¬ÎÊÌâΪ¡°´ÓÏÂÁîÐÐ×îÏÈ£º¹¹½¨Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐΡ±¡£ÎÄÕÂÖиø³öÁËһЩҪº¦µÄ°ì·¨ºÍ´úÂëʾÀýÀ´×ÊÖú¶ÁÕß¹¹½¨Ò»¸öÔ½·¢Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐΡ£
ÒÔÉϾÍÊÇ´ÓÏÂÁîÐÐ×îÏÈ£º¹¹½¨Çå¾²µÄLinuxЧÀÍÆ÷ÇéÐεÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡