4. \u670d\u52d9\u6700\u5c0f\u5316<\/h3>\n

\u5be9\u6838\u4e26\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52d9,\u4ee5\u6e1b\u5c11\u653b\u64ca\u9762:<\/p>\n

\r\n# \u5217\u51fa\u6240\u6709\u904b\u884c\u7684\u670d\u52d9\r\nsystemctl list-units --type=service\r\n\r\n# \u7981\u7528\u670d\u52d9\r\nsudo systemctl disable [\u670d\u52d9\u540d\u7a31]\r\nsudo systemctl stop [\u670d\u52d9\u540d\u7a31]\r\n<\/code><\/pre>\n
5. \u5be6\u65bd\u5165\u4fb5\u6aa2\u6e2c<\/h3>\n
\u90e8\u7f72\u548c\u914d\u7f6e\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71(IDS),\u5982Snort\u6216Suricata\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684Snort\u8a2d\u7f6e:<\/p>\n
# \u5b89\u88ddSnort\r\nsudo apt install snort\r\n\r\n# \u7de8\u8f2f\u914d\u7f6e\r\nsudo nano \/etc\/snort\/snort.conf\r\n\r\n# \u6e2c\u8a66\u914d\u7f6e\r\nsudo snort -T -c \/etc\/snort\/snort.conf\r\n<\/code><\/pre>\n
6. \u5f37\u5927\u7684\u5bc6\u78bc\u7b56\u7565<\/h3>\n
\u4f7f\u7528PAM\u5be6\u65bd\u5f37\u5bc6\u78bc\u7b56\u7565:<\/p>\n
# \u7de8\u8f2fPAM\u914d\u7f6e\r\nsudo nano \/etc\/pam.d\/common-password\r\n\r\n# \u6dfb\u52a0\u4ee5\u4e0b\u884c\r\npassword requisite pam_pwquality.so retry=3 minlen=14 dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1\r\n<\/code><\/pre>\n
7. Sed\u547d\u4ee4\u6de8\u5316<\/h3>\n
\u4f7f\u7528sed\u6642,\u59cb\u7d42\u6de8\u5316\u8f38\u5165\u4e26\u4f7f\u7528-E\u6a19\u8a8c\u9032\u884c\u64f4\u5c55\u6b63\u5247\u8868\u9054\u5f0f:<\/p>\n
\r\n# \u66f4\u5b89\u5168\u7684sed\u7528\u6cd5\r\nsed -E 's\/^[[:space:]]+|[[:space:]]+$\/\/g' input_file\r\n<\/code><\/pre>\n
8. \u52a0\u56fa\u7684Linux\u767c\u884c\u7248<\/h3>\n
\u8003\u616e\u5207\u63db\u5230\u5b89\u5168\u6027\u66f4\u9ad8\u7684\u767c\u884c\u7248,\u5982CentOS,\u5b83\u5011\u63d0\u4f9b\u66f4\u5f37\u7684\u958b\u7bb1\u5373\u7528\u5b89\u5168\u529f\u80fd\u3002<\/p>\n
9. \u56b4\u683c\u7684\u5099\u4efd\u5236\u5ea6<\/h3>\n
\u4f7f\u7528rsync\u7b49\u5de5\u5177\u5be6\u65bd\u81ea\u52d5\u5099\u4efd\u7b56\u7565:<\/p>\n
# \u6bcf\u65e5\u589e\u91cf\u5099\u4efd\r\nrsync -avz --delete \/path\/to\/source user@backupserver:\/path\/to\/destination\r\n<\/code><\/pre>\n
10. \u5b89\u5168\u610f\u8b58\u57f9\u8a13<\/h3>\n
\u5b9a\u671f\u70ba\u60a8\u7684\u5718\u968a\u9032\u884c\u5b89\u5168\u57f9\u8a13,\u6db5\u84cb\u793e\u4ea4\u5de5\u7a0b\u5b78\u3001\u91e3\u9b5a\u548c\u5b89\u5168\u700f\u89bd\u5be6\u8e10\u7b49\u4e3b\u984c\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546:\u660e\u667a\u9078\u64c7<\/strong><\/h2>\n
\u9078\u64c7\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546\u6642,\u512a\u5148\u8003\u616e\u90a3\u4e9b\u63d0\u4f9b\u4ee5\u4e0b\u670d\u52d9\u7684:<\/p>\n
\n
DDoS\u9632\u8b77<\/li>\n
\u5b9a\u671f\u5b89\u5168\u7a3d\u6838<\/li>\n
24\/7\u76e3\u63a7<\/li>\n
\u7b26\u5408\u570b\u969b\u5b89\u5168\u6a19\u6e96<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u9999\u6e2f\u7279\u5b9a\u7684\u5b89\u5168\u8003\u616e<\/strong><\/h2>\n
\u8003\u616e\u5230\u9999\u6e2f\u7684\u7368\u7279\u5730\u4f4d,\u8acb\u8003\u616e\u4ee5\u4e0b\u984d\u5916\u7684\u5b89\u5168\u63aa\u65bd:<\/p>\n
\n
\u5be6\u65bd\u5730\u7406\u963b\u64cb,\u9650\u5236\u4f86\u81ea\u9ad8\u98a8\u96aa\u5730\u5340\u7684\u8a2a\u554f<\/li>\n
\u4f7f\u7528VPN\u9032\u884c\u5b89\u5168\u9060\u7aef\u8a2a\u554f,\u4ee5\u964d\u4f4e\u8207\u516c\u5171Wi-Fi\u7db2\u8def\u76f8\u95dc\u7684\u98a8\u96aa<\/li>\n
\u53ca\u6642\u4e86\u89e3\u9999\u6e2f\u7684\u7db2\u8def\u5b89\u5168\u6cd5\u898f\u4e26\u78ba\u4fdd\u5408\u898f<\/li>\n<\/ul>\n
\u6aa2\u6e2csedexp\u653b\u64ca<\/strong><\/h2>\n
\u8b66\u60d5\u662f\u8b58\u5225sedexp\u653b\u64ca\u7684\u95dc\u9375\u3002\u6ce8\u610f\u4ee5\u4e0b\u60c5\u6cc1:<\/p>\n
\n
\u7cfb\u7d71\u65e5\u8a8c\u4e2d\u4e0d\u5c0b\u5e38\u7684sed\u4f7f\u7528<\/li>\n
\u95dc\u9375\u7cfb\u7d71\u6a94\u6848\u7684\u610f\u5916\u66f4\u6539<\/li>\n
\u7570\u5e38\u7684\u7db2\u8def\u6d41\u91cf\u6a21\u5f0f<\/li>\n<\/ul>\n
\u5be6\u65bd\u65e5\u8a8c\u5206\u6790\u5de5\u5177,\u5982ELK\u5806\u758a(Elasticsearch, Logstash, Kibana)\u9032\u884c\u5373\u6642\u76e3\u63a7:<\/p>\n
\r\n# \u5b89\u88ddELK\u5806\u758a(Ubuntu\u793a\u4f8b)\r\nwget -qO - https:\/\/artifacts.elastic.co\/GPG-KEY-elasticsearch | sudo apt-key add -\r\nsudo apt-get install apt-transport-https\r\necho \"deb https:\/\/artifacts.elastic.co\/packages\/7.x\/apt stable main\" | sudo tee \/etc\/apt\/sources.list.d\/elastic-7.x.list\r\nsudo apt-get update && sudo apt-get install elasticsearch logstash kibana\r\n<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n
\u653b\u64ca\u5f8c\u56de\u61c9\u5354\u8b70<\/strong><\/h2>\n
\u5982\u679c\u60a8\u61f7\u7591\u906d\u53d7\u4e86sedexp\u653b\u64ca:<\/p>\n
\n
\u9694\u96e2\u53d7\u5f71\u97ff\u7684\u7cfb\u7d71<\/li>\n
\u5206\u6790\u65e5\u8a8c\u4ee5\u78ba\u5b9a\u653b\u64ca\u9014\u5f91<\/li>\n
\u5f9e\u4e7e\u6de8\u7684\u5099\u4efd\u4e2d\u6062\u5fa9<\/li>\n
\u4fee\u88dc\u6f0f\u6d1e\u4e26\u66f4\u65b0\u6240\u6709\u7cfb\u7d71<\/li>\n
\u9032\u884c\u5fb9\u5e95\u7684\u4e8b\u5f8c\u5206\u6790<\/li>\n<\/ol>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n
\u7d50\u8ad6:\u6578\u4f4d\u524d\u6cbf\u7684\u8b66\u60d5<\/strong><\/h2>\n
\u5728\u4e0d\u65b7\u6f14\u8b8a\u7684\u7db2\u8def\u5b89\u5168\u74b0\u5883\u4e2d,\u4fdd\u8b77\u60a8\u7684\u9999\u6e2fLinux\u4f3a\u670d\u5668\u514d\u53d7sedexp\u7b49\u5a01\u8105\u9700\u8981\u591a\u65b9\u9762\u7684\u65b9\u6cd5\u3002\u901a\u904e\u5be6\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u7b56\u7565,\u60a8\u5c07\u986f\u8457\u589e\u5f37\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u7684\u97cc\u6027\u3002\u8acb\u8a18\u4f4f,\u5b89\u5168\u4e0d\u662f\u4e00\u500b\u76ee\u7684\u5730,\u800c\u662f\u4e00\u500b\u6301\u7e8c\u9069\u61c9\u548c\u6539\u9032\u7684\u65c5\u7a0b\u3002<\/p>\n
\u4fdd\u6301\u8b66\u60d5,\u4e0d\u65b7\u5b78\u7fd2,\u5229\u7528\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u751f\u614b\u7cfb\u7d71\u7684\u7368\u7279\u512a\u52e2,\u540c\u6642\u7de9\u89e3\u5176\u56fa\u6709\u98a8\u96aa\u3002\u60a8\u5728Linux\u5b89\u5168\u65b9\u9762\u7684\u7a4d\u6975\u614b\u5ea6\u5c07\u6210\u70ba\u60a8\u5728\u9019\u500b\u5145\u6eff\u6d3b\u529b\u7684\u79d1\u6280\u4e2d\u5fc3\u53d6\u5f97\u6578\u4f4d\u6210\u529f\u7684\u57fa\u77f3\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":15016,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[3207,3208,3209,247],"class_list":["post-15069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-linux-security-tc","tag-sedexp-attack-tc","tag-server-protection-tc","tag-hong-kong-server-rental-tc"],"acf":[],"yoast_head":"\n