\u5728\u65e5\u5e38\u8fd0\u7ef4\u5de5\u4f5c\u4e2d，\u65e5\u5fd7\u5c31\u50cf\u7cfb\u7edf\u7684"\u9ed1\u5323\u5b50"，\u8bb0\u5f55\u7740\u8bbe\u5907\u8fd0\u884c\u7684\u6bcf\u4e00\u4e2a\u7ec6\u8282\u3002\u60f3\u8c61\u4e00\u4e0b，\u5f53\u7f51\u7edc\u51fa\u73b0\u5f02\u5e38\u65f6，\u5982\u679c\u6ca1\u6709\u96c6\u4e2d\u7ba1\u7406\u7684\u65e5\u5fd7，\u4f60\u5c31\u5f97\u50cf\u4fa6\u63a2\u4e00\u6837\u6328\u4e2a\u767b\u5f55\u6bcf\u53f0\u8bbe\u5907\u67e5\u770b\u65e5\u5fd7，\u8fd9\u6548\u7387\u7b80\u76f4\u8ba9\u4eba\u6293\u72c2\u3002\u800csyslog\u534f\u8bae\u6b63\u662f\u4e3a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u800c\u751f，\u5b83\u80fd\u8ba9\u6240\u6709\u8bbe\u5907\u628a\u65e5\u5fd7\u7edf\u4e00\u53d1\u9001\u5230\u4e2d\u592e\u670d\u52a1\u5668\u5b58\u50a8\u548c\u5206\u6790\u3002<\/p>\n
\u6211\u89c1\u8fc7\u592a\u591a\u56e2\u961f\u56e0\u4e3a\u7f3a\u4e4f\u65e5\u5fd7\u7ba1\u7406\u800c\u5403\u5c3d\u82e6\u5934\u3002\u6709\u4e00\u6b21\u67d0\u516c\u53f8\u7684\u9632\u706b\u5899\u88ab\u653b\u51fb，\u7531\u4e8e\u65e5\u5fd7\u5206\u6563\u5728\u5404\u4e2a\u8bbe\u5907\u4e0a，\u7b49\u4ed6\u4eec\u62fc\u51d1\u51fa\u5b8c\u6574\u653b\u51fb\u94fe\u65f6，\u9ed1\u5ba2\u65e9\u5c31\u6e9c\u4e4b\u5927\u5409\u4e86\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u8bf4，\u54ea\u6015\u662f\u5c0f\u56e2\u961f\u6216\u4e2a\u4eba\u5f00\u53d1\u8005，\u642d\u5efasyslog\u65e5\u5fd7\u670d\u52a1\u5668\u90fd\u5e94\u8be5\u662f\u57fa\u7840\u8bbe\u65bd\u5efa\u8bbe\u7684\u9996\u8981\u4efb\u52a1\u3002<\/p>\n
\u597d\u6d88\u606f\u662f，\u7528Linux\u7cfb\u7edf\u642d\u5efasyslog\u670d\u52a1\u5668\u4e0d\u4ec5\u514d\u8d39，\u800c\u4e14\u6027\u80fd\u8fdc\u8d85\u5f88\u591a\u5546\u4e1a\u65b9\u6848\u3002\u6211\u5b9e\u6d4b\u8fc7，\u4e00\u53f0\u914d\u7f6e\u666e\u901a\u7684\u865a\u62df\u673a\u5c31\u80fd\u8f7b\u677e\u5904\u7406\u6bcf\u5929\u4e0a\u767e\u4e07\u6761\u65e5\u5fd7\u3002\u4e0b\u9762\u6211\u5c31\u624b\u628a\u624b\u6559\u4f60\u5982\u4f55\u96f6\u6210\u672c\u6784\u5efa\u8fd9\u4e2a\u8fd0\u7ef4\u795e\u5668\u3002<\/p>\n
\u867d\u7136\u4efb\u4f55Linux\u53d1\u884c\u7248\u90fd\u80fd\u8fd0\u884csyslog\u670d\u52a1，\u4f46\u6211\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528Ubuntu Server LTS\u7248\u672c\u3002\u539f\u56e0\u5f88\u7b80\u5355：\u5b83\u7684\u8f6f\u4ef6\u6e90\u7a33\u5b9a，\u793e\u533a\u652f\u6301\u5b8c\u5584，\u9047\u5230\u95ee\u9898\u5bb9\u6613\u627e\u5230\u89e3\u51b3\u65b9\u6848\u3002\u6211\u81ea\u5df1\u5728CentOS\u548cUbuntu\u4e0a\u90fd\u90e8\u7f72\u8fc7，\u540e\u8005\u660e\u663e\u66f4\u7701\u5fc3\u3002<\/p>\n
\u5982\u679c\u4f60\u5df2\u7ecf\u88c5\u4e86\u5176\u4ed6\u53d1\u884c\u7248\u4e5f\u6ca1\u5173\u7cfb，\u672c\u6587\u7684\u65b9\u6cd5\u540c\u6837\u9002\u7528，\u53ea\u662f\u5305\u7ba1\u7406\u547d\u4ee4\u9700\u8981\u76f8\u5e94\u8c03\u6574（\u6bd4\u5982\u628aapt\u6362\u6210yum）\u3002\u51c6\u5907\u4e00\u53f0\u81f3\u5c11\u67091GB\u5185\u5b58\u548c10GB\u78c1\u76d8\u7a7a\u95f4\u7684\u673a\u5668\u5c31\u8db3\u591f\u4e86，\u65e5\u5fd7\u91cf\u5927\u7684\u8bdd\u53ef\u4ee5\u9002\u5f53\u589e\u52a0\u5b58\u50a8\u3002<\/p>\n
\u9996\u5148\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u5305\u662f\u4e2a\u597d\u4e60\u60ef：<\/p>\n
sudo apt update && sudo apt upgrade -y<\/p>\n
\u7136\u540e\u5b89\u88c5\u51e0\u4e2a\u5fc5\u8981\u7684\u5de5\u5177：<\/p>\n
sudo apt install -y vim net-tools<\/p>\n
\u9632\u706b\u5899\u9700\u8981\u5f00\u653esyslog\u4f7f\u7528\u7684514\u7aef\u53e3：<\/p>\n
sudo ufw allow 514\/tcp
\nsudo ufw allow 514\/udp
\nsudo ufw enable<\/p>\n
\u6ce8\u610f：\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u4f7f\u7528TLS\u52a0\u5bc6\u4f20\u8f93，\u540e\u6587\u4f1a\u4e13\u95e8\u8bb2\u89e3\u5b89\u5168\u52a0\u56fa\u65b9\u6848<\/p>\n
\u4f60\u53ef\u80fd\u542c\u8bf4\u8fc7rsyslog，\u4f46\u6211\u66f4\u63a8\u8350syslog-ng（\u4e0b\u4e00\u4ee3syslog）\u3002\u5b83\u6709\u51e0\u4e2a\u6740\u624b\u7ea7\u529f\u80fd：<\/p>\n
\u5b89\u88c5\u547d\u4ee4\u5f88\u7b80\u5355：<\/p>\n
sudo apt install -y syslog-ng<\/p>\n
\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e\/etc\/syslog-ng\/syslog-ng.conf，\u6211\u4eec\u5148\u505a\u4e2a\u5907\u4efd：<\/p>\n
sudo cp \/etc\/syslog-ng\/syslog-ng.conf \/etc\/syslog-ng\/syslog-ng.conf.bak<\/p>\n
\u7136\u540e\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e（\u7528vim\u6216nano\u7f16\u8f91）：<\/p>\n
source s_network {
\n tcp(ip(0.0.0.0) port(514));
\n udp(ip(0.0.0.0) port(514));
\n};<\/p>\n
destination d_all {
\n file("\/var\/log\/remote\/${HOST}\/all.log");
\n};<\/p>\n
log {
\n source(s_network);
\n destination(d_all);
\n};<\/p>\n
\u8fd9\u4e2a\u914d\u7f6e\u505a\u4e86\u4e09\u4ef6\u4e8b：<\/p>\n
\u91cd\u542f\u670d\u52a1\u4f7f\u914d\u7f6e\u751f\u6548：<\/p>\n
sudo systemctl restart syslog-ng<\/p>\n
\u6309\u8bbe\u5907\u7c7b\u578b\u5206\u79bb\u65e5\u5fd7：<\/p>\n
filter f_router {
\n match("Cisco" value("MESSAGE"));
\n};<\/p>\n
destination d_router {
\n file("\/var\/log\/remote\/routers.log");
\n};<\/p>\n
log {
\n source(s_network);
\n filter(f_router);
\n destination(d_router);
\n};<\/p>\n
\u9650\u5236\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f：<\/p>\n
destination d_limited {
\n file("\/var\/log\/remote\/limited.log"
\n template("$MESSAGE\\\\n")
\n template-escape(no)
\n size(100M)
\n );
\n};<\/p>\n
\u751f\u6210\u81ea\u7b7e\u540d\u8bc1\u4e66：<\/p>\n
sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 \\\\
\n-keyout \/etc\/ssl\/private\/syslog-ng.key \\\\
\n-out \/etc\/ssl\/certs\/syslog-ng.crt<\/p>\n
\u4fee\u6539\u914d\u7f6e\u542f\u7528TLS：<\/p>\n
source s_secure {
\n tcp(ip(0.0.0.0) port(6514)
\n tls(key-file("\/etc\/ssl\/private\/syslog-ng.key")
\n cert-file("\/etc\/ssl\/certs\/syslog-ng.crt"))
\n );
\n};<\/p>\n
\u53ea\u5141\u8bb8\u7279\u5b9aIP\u53d1\u9001\u65e5\u5fd7：<\/p>\n
source s_restricted {
\n tcp(ip(192.168.1.100) port(514));
\n};<\/p>\n
\u4ece\u53e6\u4e00\u53f0Linux\u673a\u5668\u53d1\u9001\u6d4b\u8bd5\u6d88\u606f：<\/p>\n
logger -n \u4f60\u7684\u670d\u52a1\u5668IP -P 514 "\u8fd9\u662f\u6d4b\u8bd5\u6d88\u606f"<\/p>\n
\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6：<\/p>\n
tail -f \/var\/log\/remote\/\u5ba2\u6237\u7aef\u4e3b\u673a\u540d\/all.log<\/p>\n
\u65e5\u5fd7\u6ca1\u6709\u63a5\u6536：<\/p>\n
\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3：
\n\u8bbe\u7f6e\u65e5\u5fd7\u8f6e\u8f6c：<\/p>\n
sudo apt install logrotate<\/p>\n
\u521b\u5efa\/etc\/logrotate.d\/syslog-ng：<\/p>\n
\/var\/log\/remote\/*\/*.log {
\n daily
\n missingok
\n rotate 7
\n compress
\n delaycompress
\n notifempty
\n create 640 syslog adm
\n sharedscripts
\n postrotate
\n \/bin\/systemctl reload syslog-ng >\/dev\/null 2>&1 || true
\n endscript
\n}<\/p>\n
\u4ee5Cisco\u8def\u7531\u5668\u4e3a\u4f8b：<\/p>\n
logging host 192.168.1.100
\nlogging trap informational
\nlogging source-interface GigabitEthernet0\/0<\/p>\n
\u5b89\u88c5ELK Stack\u592a\u91cd\u91cf\u7ea7，\u63a8\u8350\u8f7b\u91cf\u7ea7\u7684\u65b9\u6848：<\/p>\n
sudo apt install -y goaccess
\ngoaccess \/var\/log\/remote\/*\/all.log –log-format=SYSLOG<\/p>\n
\u5f53\u68c0\u6d4b\u5230\u5173\u952e\u9519\u8bef\u65f6\u81ea\u52a8\u53d1\u90ae\u4ef6：<\/p>\n
filter f_critical {
\n level(err..emerg);
\n};<\/p>\n
destination d_mail {
\n program("\/usr\/bin\/mail -s '\u7d27\u6025\u9519\u8bef\u65e5\u5fd7' admin@example.com");
\n};<\/p>\n
log {
\n source(s_network);
\n filter(f_critical);
\n destination(d_mail);
\n};<\/p>\n
\u63d0\u5347\u5904\u7406\u80fd\u529b：<\/p>\n
options {
\n chain_hostnames(no);
\n keep_hostname(yes);
\n use_dns(no);
\n flush_lines(1000);
\n log_fifo_size(2000);
\n};<\/p>\n
\u5f02\u6b65\u5199\u5165\u63d0\u5347IO\u6027\u80fd：<\/p>\n
destination d_async {
\n file("\/var\/log\/remote\/async.log"
\n flush_lines(1000)
\n flush_timeout(10000)
\n );
\n};<\/p>\n
\u5185\u5b58\u7f13\u5b58\u914d\u7f6e：<\/p>\n
source s_buffered {
\n tcp(ip(0.0.0.0) port(514)
\n log-iw-size(10000)
\n log-fetch-limit(1000)
\n );
\n};<\/p>\n
\u8fd9\u5957\u65b9\u6848\u5728\u6211\u7ba1\u7406\u768450+\u8bbe\u5907\u73af\u5883\u4e2d\u7a33\u5b9a\u8fd0\u884c\u4e863\u5e74，\u65e5\u5747\u5904\u7406\u65e5\u5fd7200\u4e07\u6761，\u4ece\u6ca1\u51fa\u73b0\u8fc7\u4e22\u65e5\u5fd7\u7684\u60c5\u51b5\u3002\u5173\u952e\u662f\u8981\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u4e0d\u65ad\u8c03\u6574\u53c2\u6570，\u5efa\u8bae\u5148\u7528\u6d4b\u8bd5\u73af\u5883\u6478\u6e05\u8bbe\u5907\u7684\u65e5\u5fd7\u4ea7\u751f\u89c4\u5f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
1. \u4e3a\u4ec0\u4e48\u4f60\u9700\u8981\u4e00\u4e2asyslog\u65e5\u5fd7\u670d\u52a1\u5668
\n\u5728\u65e5\u5e38\u8fd0\u7ef4\u5de5\u4f5c\u4e2d，\u65e5\u5fd7\u5c31\u50cf\u7cfb\u7edf\u7684\\”\u9ed1\u5323\u5b50\\”，\u8bb0\u5f55\u7740\u8bbe\u5907\u8fd0\u884c\u7684\u6bcf\u4e00\u4e2a\u7ec6\u8282\u3002\u60f3\u8c61\u4e00\u4e0b，\u5f53\u7f51\u7edc\u51fa\u73b0\u5f02\u5e38\u65f6，\u5982\u679c\u6ca1\u6709\u96c6\u4e2d\u7ba1\u7406\u7684\u65e5\u5fd7，\u4f60\u5c31\u5f97\u50cf\u4fa6\u63a2\u4e00\u6837\u6328\u4e2a\u767b\u5f55\u6bcf\u53f0\u8bbe\u5907\u67e5\u770b\u65e5\u5fd7，\u8fd9\u6548\u7387\u7b80\u76f4\u8ba9\u4eba\u6293\u72c2\u3002\u800csyslog\u534f\u8bae\u6b63\u662f\u4e3a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u800c\u751f，\u5b83\u80fd\u8ba9\u6240\u6709\u8bbe\u5907\u628a\u65e5\u5fd7\u7edf\u4e00\u53d1\u9001\u5230\u4e2d\u592e\u670d\u52a1\u5668\u5b58\u50a8\u548c\u5206\u6790\u3002
\n\u6211\u89c1\u8fc7\u592a\u591a\u56e2\u961f\u56e0\u4e3a\u7f3a\u4e4f\u65e5\u5fd7\u7ba1\u7406\u800c\u5403\u5c3d\u82e6\u5934\u3002\u6709\u4e00\u6b21\u67d0\u516c\u53f8<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8439,1472,936],"topic":[],"class_list":["post-77086","post","type-post","status-publish","format-standard","hentry","category-server","tag-syslog","tag-linux","tag-936"],"yoast_head":"\n