1.服務器上運行的Agent端會將採集到的各類信息經過加密信道傳輸到管理端。html
2.管理端負責分析從代理接收的數據,並在事件與告警規則匹配時觸發警報。java
3.LogStash會將告警日誌或者監控日誌發送到Elasticsearch上面,最後經過Kibana可視化展現日誌。node
分佈式部署:在不一樣主機上運行Wazuh服務器和Elastic Stack集羣(一個或多個服務器)。
單主機架構:在同一主機上運行Wazuh服務器和Elastic Stack。
二者的主要差異在於,前者須要使用FileBeat與Logstash進行日誌傳輸,後者直接本機讀取日誌文件python
若是網速比較慢的能夠更換爲國內軟件源,默認狀況下並不用linux
yum repolist #查看當前使用的源 cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak #備份原來的源 wget http://mirrors.aliyun.com/repo/Centos-7.repo #下載阿里雲centos7源 wget http://mirrors.163.com/.help/CentOS7-Base-163.repo #下載163 centos7源 mv 你下載的源 /etc/yum.repos.d/CentOS-Base.repo yum clean all && yum makecache #清理並重建yum緩存
yum -y install ntp ntpdate #安裝NTP和更新NTP ntpdate cn.ntp.org.cn #NTP設置 hwclock --systohc #系統時間寫入硬件時間 ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime #linux的時區設置爲上海時區
安裝環境爲centos7.1X64系統nginx
方法一:git
cat > /etc/yum.repos.d/wazuh.repo <<\EOF [wazuh_repo] gpgcheck=1 gpgkey=https://packages.wazuh.com/key/GPG-KEY-WAZUH enabled=1 name=Wazuh repository baseurl=https://packages.wazuh.com/3.x/yum/ protect=1 EOF yum install wazuh-manager
方法二:github
[root@wazhu-manage ~]# cd /opt [root@wazhu-manage opt]# wget https://packages.wazuh.com/3.x/yum/wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# chmod +x wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# rpm -ivh wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# systemctl status wazuh-manager.service ● wazuh-manager.service - Wazuh manager Loaded: loaded (/etc/systemd/system/wazuh-manager.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-01-21 09:58:45 UTC; 34s ago Process: 13789 ExecStart=/usr/bin/env ${DIRECTORY}/bin/ossec-control start (code=exited, status=0/SUCCESS) CGroup: /system.slice/wazuh-manager.service ├─13819 /var/ossec/bin/ossec-authd ├─13823 /var/ossec/bin/wazuh-db ├─13841 /var/ossec/bin/ossec-execd ├─13847 /var/ossec/bin/ossec-analysisd ├─13851 /var/ossec/bin/ossec-syscheckd ├─13859 /var/ossec/bin/ossec-remoted ├─13861 /var/ossec/bin/ossec-logcollector ├─13882 /var/ossec/bin/ossec-monitord └─13886 /var/ossec/bin/wazuh-modulesd
要運行Wazuh API,須要NodeJS> = 4.6.1,若是您沒有安裝NodeJS或者您的版本低於4.6.1,咱們建議您添加官方NodeJS存儲庫,以下所示:web
[root@wazhu-manage bin]# curl --silent --location https://rpm.nodesource.com/setup_8.x | bash - [root@wazhu-manage bin]# yum install nodejs.x86_64 [root@wazhu-manage bin]# node -v #或者yum install nodejs v6.14
要運行Wazuh API,須要Python> = 2.7。它默認安裝或包含在大多數Linux發行版的官方存儲庫中。要肯定系統上的python版本是否低於2.7,能夠運行如下命令:shell
[root@wazhu-manage bin]# python --version #Centos7默認python2 Python 2.7.5 [root@wazhu-manage bin]# cd /opt [root@wazhu-manage opt]# wget https://packages.wazuh.com/3.x/yum/wazuh-api-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# ls wazuh-api-3.8.0-1.x86_64.rpm wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# chmod +x wazuh-api-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# rpm -ivh wazuh-api-3.8.0-1.x86_64.rpm #或者yum install wazuh-api [root@wazhu-manage opt]# systemctl start wazuh-api [root@wazhu-manage opt]# systemctl status wazuh-api ● wazuh-api.service - Wazuh API daemon Loaded: loaded (/etc/systemd/system/wazuh-api.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-01-21 10:25:30 UTC; 33s ago Docs: https://documentation.wazuh.com/current/user-manual/api/index.html Main PID: 15454 (node) CGroup: /system.slice/wazuh-api.service └─15454 /bin/node /var/ossec/api/app.js Jan 21 10:25:30 wazhu-manage systemd[1]: Started Wazuh API daemon.
防止自動升級:
# sed -i "s/^enabled=1/enabled=0/" /etc/yum.repos.d/wazuh.repo
1.centos下安裝agent:
1.1. 包安裝
[root@wazhu-manage opt]# ls wazuh-api-3.8.0-1.x86_64.rpm wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# wget https://packages.wazuh.com/3.x/yum/wazuh-agent-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# chmod +x wazuh-agent-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# rpm -ivh wazuh-agent-3.8.0-1.x86_64.rpm warning: wazuh-agent-3.8.0-1.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID 29111145: NOKEY error: Failed dependencies: wazuh-manager conflicts with wazuh-agent-3.8.0-1.x86_64 wazuh-agent conflicts with (installed) wazuh-manager-3.8.0-1.x86_64 # 修改配置文件 vim /var/ossec/etc/ossec.conf # 導入密鑰 /var/ossec/bin/manage_agents # 啓動服務 /var/ossec/bin/ossec-control start
1.2. yum安裝:
cat > /etc/yum.repos.d/wazuh.repo <<\EOF [wazuh_repo] gpgcheck=1 gpgkey=https://packages.wazuh.com/key/GPG-KEY-WAZUH enabled=1 name=Wazuh repository baseurl=https://packages.wazuh.com/3.x/yum/ protect=1 EOF [root@wazhu-manage opt]# yum install wazuh-agent
2.ubuntu下安裝agent
2.1.包安裝
root@agent01:~# cd /opt root@agent01:/opt# wget https://packages.wazuh.com/3.x/apt/pool/main/w/wazuh-agent/wazuh-agent_3.8.0-1_amd64.deb root@agent01:/opt# dpkg -i wazuh-agent_3.8.0-1_amd64.deb Selecting previously unselected package wazuh-agent. (Reading database ... 92845 files and directories currently installed.) Preparing to unpack wazuh-agent_3.8.0-1_amd64.deb ... Unpacking wazuh-agent (3.8.0-1) ... Setting up wazuh-agent (3.8.0-1) ... Processing triggers for systemd (229-4ubuntu21.4) ... Processing triggers for ureadahead (0.100.0-19) ...
2.2. apt-get安裝
# apt-get install curl apt-transport-https lsb-release #安裝必要包 # curl -s https://packages.wazuh.com/key/GPG-KEY-WAZUH | apt-key add - #安裝Wazuh存儲庫GPG密鑰 #echo"deb https://packages.wazuh.com/3.x/apt/ stable main"| tee /etc/apt/sources.list.d/wazuh.list #添加存儲庫 # apt-get update #更新包信息 # apt-get install wazuh-agent #安裝Wazuh代理 #echo"wazuh-agent hold"| sudo dpkg --set-selections #禁用更新
3.windows下安裝agent
https://packages.wazuh.com/3.x/windows/wazuh-agent-3.8.0-1.msi agent-auth.exe -m 管理端ip -P "管理端密碼 agent-auth -m 管理端ip
1.安裝elastic stack運行環境包
Logstash和Elasticsearch須要Oracle Java JRE 8
[root@wazhu-manage opt]# curl -Lo jre-8-linux-x64.rpm --header "Cookie: oraclelicense=accept-securebackup-cookie" "https://download.oracle.com/otn-pub/java/jdk/8u202-b08/1961070e4c9b4e26a04e7f5a083f551e/jre-8u202-linux-x64.rpm" [root@wazhu-manage opt]# rpm -qlp jre-8-linux-x64.rpm > /dev/null 2>&1 && echo "Java package downloaded successfully" || echo "Java package did not download successfully" Java package downloaded successfully [root@wazhu-manage opt]# yum -y install jre-8-linux-x64.rpm [root@wazhu-manage opt]# java -version java version "1.8.0_202"
安裝Elastic存儲庫及其GPG密鑰:
[root@wazhu-manage opt]# rpm --import https://packages.elastic.co/GPG-KEY-elasticsearch [root@wazhu-manage opt]# cat > /etc/yum.repos.d/elastic.repo << EOF > [elasticsearch-6.x] > name=Elasticsearch repository for 6.x packages > baseurl=https://artifacts.elastic.co/packages/6.x/yum > gpgcheck=1 > gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch > enabled=1 > autorefresh=1 > type=rpm-md > EOF [root@wazhu-manage opt]# cat /etc/yum.repos.d/elastic.repo [elasticsearch-6.x] name=Elasticsearch repository for 6.x packages baseurl=https://artifacts.elastic.co/packages/6.x/yum gpgcheck=1 gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch enabled=1 autorefresh=1 type=rpm-md
2.安裝elasticsearch
[root@wazhu-manage opt]# yum install elasticsearch-6.5.4 [root@wazhu-manage opt]# systemctl daemon-reload [root@wazhu-manage opt]# systemctl enable elasticsearch.service Created symlink from /etc/systemd/system/multi-user.target.wants/elasticsearch.service to /usr/lib/systemd/system/elasticsearch.service. [root@wazhu-manage opt]# systemctl start elasticsearch.service [root@wazhu-manage opt]# systemctl status elasticsearch.service elasticsearch.service - Elasticsearch Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-01-21 11:20:32 UTC; 12s ago Docs: http://www.elastic.co Main PID: 16541 (java) CGroup: /system.slice/elasticsearch.service ├─16541 /bin/java -Xms1g -Xmx1g -XX:+UseConcMarkSweepGC -XX:CMSInitia... └─16604 /usr/share/elasticsearch/modules/x-pack-ml/platform/linux-x86...
等待Elasticsearch服務器完成啓動很是重要。使用如下命令檢查當前狀態,該命令應該給出以下所示的響應:
[root@wazhu-manage opt]# curl "http://localhost:9200/?pretty" { "name" : "j2iH056", "cluster_name" : "elasticsearch", "cluster_uuid" : "iHTOPid4SR-EoZ5qX73-kw", "version" : { "number" : "6.5.4", "build_flavor" : "default", "build_type" : "rpm", "build_hash" : "d2ef93d", "build_date" : "2018-12-17T21:17:40.758843Z", "build_snapshot" : false, "lucene_version" : "7.5.0", "minimum_wire_compatibility_version" : "5.6.0", "minimum_index_compatibility_version" : "5.0.0" }, "tagline" : "You Know, for Search" }
爲Elasticsearch加載Wazuh模板:(Kibana的Wazuh應用程序須要Elasticsearch模板才能正常工做,所以確保正確插入它很是重要。)
[root@wazhu-manage opt]# curl https://raw.githubusercontent.com/wazuh/wazuh/3.8/extensions/elasticsearch/wazuh-elastic6-template-alerts.json | curl -X PUT "http://localhost:9200/_template/wazuh" -H 'Content-Type: application/json' -d @- % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 19385 100 19385 0 0 96376 0 --:--:-- --:--:-- --:--:-- 96442
建議編輯默認配置以提升Elasticsearch的性能。爲此,請參閱Elasticsearch調優。
Logstash是收集,解析和轉發數據到Elasticsearch的工具,用於索引和存儲Wazuh服務器生成的全部日誌。有關更多信息,請參閱Logstash。
1.安裝Logstash包:
[root@wazhu-manage opt]# yum install logstash-6.5.4
2.下載Logstash的Wazuh配置文件:
本地配置(僅在單主機架構中):
[root@wazhu-manage opt]# curl -so /etc/logstash/conf.d/01-wazuh.conf https://raw.githubusercontent.com/wazuh/wazuh/3.8/extensions/logstash/01-wazuh-local.conf
因爲Logstash用戶須要讀取alerts.json文件,請運行如下命令將其添加到OSSEC組:
[root@wazhu-manage opt]# usermod -a -G ossec logstash
遠程配置(僅在分佈式架構中):
curl -so /etc/logstash/conf.d/01-wazuh.conf https://raw.githubusercontent.com/wazuh/wazuh/3.8/extensions/logstash/01-wazuh-remote.con
啓用並啓動Logstash服務:
[root@wazhu-manage opt]# systemctl daemon-reload [root@wazhu-manage opt]# systemctl enable logstash.service Created symlink from /etc/systemd/system/multi-user.target.wants/logstash.service to /etc/systemd/system/logstash.service. [root@wazhu-manage opt]# systemctl start logstash.service [root@wazhu-manage opt]# systemctl status logstash.service logstash.service - logstash Loaded: loaded (/etc/systemd/system/logstash.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-01-21 11:33:40 UTC; 10s ago Main PID: 17525 (java) CGroup: /system.slice/logstash.service └─17525 /bin/java -Xms1g -Xmx1g -XX:+UseParNewGC -XX:+UseConcMarkSwee...
Kibana是一個靈活,直觀的Web界面,用於搜索和可視化在Elasticsearch中。在Kibana上查找更多信息。
1.安裝Kibana包:
[root@wazhu-manage opt]# yum install kibana-6.5.4
2.爲Kibana安裝Wazuh應用程序插件:(Kibana插件安裝過程可能須要幾分鐘。請耐心等待)
[root@wazhu-manage opt]# sudo -u kibana NODE_OPTIONS="--max-old-space-size=3072" /usr/share/kibana/bin/kibana-plugin install https://packages.wazuh.com/wazuhapp/wazuhapp-3.8.0_6.5.4.zip Attempting to transfer from https://packages.wazuh.com/wazuhapp/wazuhapp-3.8.0_6.5.4.zip Transferring 17809056 bytes.................... Transfer complete Retrieving metadata from plugin archive Extracting plugin archive Extraction complete Optimizing and caching browser bundles... Plugin installation complete
3.Kibana默認只監聽環回接口(localhost)。要將Kibana設置爲偵聽全部接口,請編輯該文件以/etc/kibana/kibana.yml取消註釋該設置server.host。將值更改成:
[root@wazhu-manage opt]# vi /etc/kibana/kibana.yml server.host: "0.0.0.0"
建議爲Kibana設置Nginx代理,以便使用SSL加密並啓用身份驗證。能夠在爲Kibana設置SSL和身份驗證中找到設置代理的說明。
4.啓用並啓動Kibana服務:
[root@wazhu-manage opt]# systemctl daemon-reload [root@wazhu-manage opt]# systemctl enable kibana.service Created symlink from /etc/systemd/system/multi-user.target.wants/kibana.service to /etc/systemd/system/kibana.service. [root@wazhu-manage opt]# systemctl start kibana.service [root@wazhu-manage opt]# systemctl status kibana.service kibana.service - Kibana Loaded: loaded (/etc/systemd/system/kibana.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-01-21 11:51:54 UTC; 7s ago Main PID: 18638 (node) CGroup: /system.slice/kibana.service └─18638 /usr/share/kibana/bin/../node/bin/node --no-warnings /usr/sha...
5.(可選)禁用Elasticsearch存儲庫:
建議禁用Elasticsearch存儲庫,以防止升級到較新的Elastic Stack版本,由於可能會撤消應用程序的更改。爲此,請使用如下命令:
sed -i "s/^enabled=1/enabled=0/" /etc/yum.repos.d/elastic.repo
經過149.248.9.0:5601訪問 Kibana,沒法訪問,查看本地端口已經監聽在0.0.0.0:5601,因此關閉防火牆
[root@wazhu-manage opt]# yum install net-tools [root@wazhu-manage opt]# netstat -ntlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:1515 0.0.0.0:* LISTEN 13819/ossec-authd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3140/sshd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 6246/master tcp 0 0 0.0.0.0:5601 0.0.0.0:* LISTEN 18638/node tcp6 0 0 127.0.0.1:9200 :::* LISTEN 16541/java tcp6 0 0 ::1:9200 :::* LISTEN 16541/java tcp6 0 0 127.0.0.1:9300 :::* LISTEN 16541/java tcp6 0 0 ::1:9300 :::* LISTEN 16541/java tcp6 0 0 :::22 :::* LISTEN 3140/sshd tcp6 0 0 :::55000 :::* LISTEN 15454/node tcp6 0 0 ::1:25 :::* LISTEN 6246/master tcp6 0 0 127.0.0.1:9600 :::* LISTEN 17525/java
1515端口是給agent來獲取認證key的,還有1514/udp管理端監聽端口,5601/tcp Kibana端口,55000/tcp Wazuh-api 端口看狀況開放
[root@wazhu-manage opt]# systemctl disable firewalld [root@wazhu-manage opt]# systemctl stop firewalld [root@wazhu-manage opt]# systemctl status firewalld
訪問界面:
添加api以前準備工做:
在填用戶名、密碼、url、端口以前,要先到Wazuh server主機上,使用命令生成非默認的認證來保護Wazuh API。
[root@wazhu-manage opt]# cd /var/ossec/api/configuration/auth/ [root@wazhu-manage auth]# ls htpasswd user [root@wazhu-manage auth]# [root@wazhu-manage auth]# node htpasswd -c user wazuh-api New password: Re-type new password: Adding password for user wazuh-api. [root@wazhu-manage auth]# ll total 4 lrwxrwxrwx 1 root root 49 Jan 21 10:25 htpasswd -> /var/ossec/api/node_modules/htpasswd/bin/htpasswd -rw-rw---- 1 root root 48 Jan 21 12:38 user [root@wazhu-manage auth]# service wazuh-api restart
能夠先訪問一下web,看認證是否成功:
默認狀況下,Kibana(包括Wazuh應用程序)與最終用戶系統上的Web瀏覽器之間的通訊未加密。強烈建議將Kibana配置爲使用SSL加密並啓用身份驗證。在本節中,咱們將介紹如何使用NGINX設置完成此操做。
NGINX是一種流行的開源Web服務器和反向代理,以其高性能,穩定性,豐富的功能集,簡單的配置和低資源消耗而着稱。在此示例中,咱們將其用做反向代理,以向最終用戶提供對Kibana的加密和通過身份驗證的訪問。
注意:1.下面描述的許多命令都須要以root用戶權限執行。2.Kibana Web界面的默認端口是5601。本例將使80和443端口可用於HTTP / HTTPS訪問。
[root@wazhu-manage ~]# cat >/etc/yum.repos.d/nginx.repo <<\EOF [nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=0 enabled=1 EOF [root@wazhu-manage ~]# cat /etc/yum.repos.d/nginx.repo [nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=0 enabled=1 [root@wazhu-manage ~]# yum install nginx
注意:有關更多信息,請參閱NGINX:官方Red Hat / CentOS軟件包。
1.2.安裝SSL證書和私鑰
a.若是您擁有有效的簽名證書,請將密鑰文件<ssl_key>和證書文件複製<ssl_pem>到適當的位置:
# mkdir -p /etc/pki/tls/certs /etc/pki/tls/private # cp <ssl_pem> /etc/pki/tls/certs/kibana-access.pem # cp <ssl_key> /etc/pki/tls/private/kibana-access.key
b.若是您沒有有效的簽名證書,請按以下方式建立自簽名證書。請記住將字段設置爲您的服務器名稱。例如,若是您的服務器是,您將執行如下操做:
[root@wazhu-manage ~]# mkdir -p /etc/pki/tls/certs /etc/pki/tls/private [root@wazhu-manage ~]# openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/pki/tls/private/kibana-access.key -out /etc/pki/tls/certs/kibana-access.pem Generating a 2048 bit RSA private key ......................................................................................+++ ..........+++ writing new private key to '/etc/pki/tls/private/kibana-access.key' ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [XX]:CN State or Province Name (full name) []:sichuan Locality Name (eg, city) [Default City]:chengdu Organization Name (eg, company) [Default Company Ltd]:hcb Organizational Unit Name (eg, section) []:56qq Common Name (eg, your name or your server's hostname) []:56qq.com Email Address []:root@backlion.org
1.3.將NGINX配置爲Kibana的HTTPS反向代理
[root@wazhu-manage ~]#cat > /etc/nginx/conf.d/default.conf <<\EOF server { listen 80; listen [::]:80; return 301 https://$host$request_uri; } server { listen 443 default_server; listen [::]:443; ssl on; ssl_certificate /etc/pki/tls/certs/kibana-access.pem; ssl_certificate_key /etc/pki/tls/private/kibana-access.key; access_log /var/log/nginx/nginx.access.log; error_log /var/log/nginx/nginx.error.log; location / { auth_basic "Restricted"; auth_basic_user_file /etc/nginx/conf.d/kibana.htpasswd; proxy_pass http://kibana-server-ip:5601/; } } EOF [root@wazhu-manage ~]# cat /etc/nginx/conf.d/default.conf server { listen 80; listen [::]:80; return 301 https://$host$request_uri; } server { listen 443 default_server; listen [::]:443; ssl on; ssl_certificate /etc/pki/tls/certs/kibana-access.pem; ssl_certificate_key /etc/pki/tls/private/kibana-access.key; access_log /var/log/nginx/nginx.access.log; error_log /var/log/nginx/nginx.error.log; location / { auth_basic "Restricted"; auth_basic_user_file /etc/nginx/conf.d/kibana.htpasswd; proxy_pass http://localhost:5601/; } } [root@wazhu-manage ~]#vi /etc/kibana/kibana.yml server.host: "localhost" [root@wazhu-manage opt]# systemctl restart kibana.service
注意:咱們配置Nginx以封裝Kibana服務器的IP地址。此配置容許將Kibana請求重定向到HTTPS。使用此配置時,建議/etc/kibana/kibana.yml編輯文件以將字段設置server.host爲localhost。必須從新啓動Kibana服務才能應用此更改。auth_basic_user_file是一個存儲用戶名密碼的文件。須要htpasswd命令來生成
1.若是正在使用SELinux,則容許NGINX鏈接到Kibana端口:
# semanage port -a -t http_port_t -p tcp 5601
這假設您已policycoreutils-python安裝以管理SELinux。
[root@wazhu-manage conf.d]# yum install httpd-tools
[root@wazhu-manage conf.d]# htpasswd -c /etc/nginx/conf.d/kibana.htpasswd wazuh New password: Re-type new password: Adding password for user wazuh
3.重啓NGINX:
[root@wazhu-manage conf.d]# systemctl restart nginx [root@wazhu-manage conf.d]# systemctl status nginx ● nginx.service - nginx - high performance web server Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled; vendor preset: disabled) Active: active (running) since Tue 2019-01-22 05:11:32 UTC; 12s ago Docs: http://nginx.org/en/docs/ Process: 10934 ExecStart=/usr/sbin/nginx -c /etc/nginx/nginx.conf (code=exited, status=0/SUCCESS) Main PID: 10935 (nginx) CGroup: /system.slice/nginx.service ├─10935 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf └─10936 nginx: worker process Jan 22 05:11:32 wazhu-manage systemd[1]: Starting nginx - high performance web server... Jan 22 05:11:32 wazhu-manage systemd[1]: Started nginx - high performance web server.
如今,經過HTTPS訪問Kibana Web界面。它將提示您輸入在上述步驟中建立的用戶名和密碼。
警告:若是您遇到權限問題或得到502代碼錯誤,請嘗試執行如下命令: setsebool -P httpd_can_network_connect 1
其中的wazuh能夠更換爲本身想要的用戶名(上面的路徑須要和nginx裏配置的密碼路徑一致)。回車後,會提示輸入密碼倆次。輸入一致後就完成用戶的建立,這是咱們能夠vim下
kibana.htpasswd 看看,裏面是加密事後的密碼。
每一個Wazuh代理都經過稱爲OSSEC消息協議的安全方式將數據發送到Wazuh Manager。這使用預共享密鑰加密消息。最初,當您成功安裝新的Wazuh代理時,因爲缺乏預共享密鑰,所以沒法與Wazuh Manager通訊。
註冊過程包括在Manager和代理之間建立信任關係的機制。此過程能夠在Manager自己或註冊服務中完成。此服務在Manager上運行,代理可使用某些憑據請求預共享密鑰。管理器將使用密鑰進行回覆,並將新代理存儲在本地數據庫中。
另外一種方法是使用RESTful API,這只是Wazuh Manager上本地註冊的包裝器。
管理器使用該文件/var/ossec/etc/client.keys存儲每一個代理的註冊記錄,其中包括ID,名稱,IP和密鑰。例:
001Server1anye20e0394dca71bacdea57d4ca25d203f836eca12eeca1ec150c2e5f4309a653a
002ServerProd192.246.247.247b0c5548beda537daddb4da698424d0856c3d4e760eaced803d58c07ad1a95f4c
003DBServer192.168.0.1/248ec4843da9e61647d1ec3facab542acc26bd0e08ffc010086bb3a6fc22f6f65b
代理還具備/var/ossec/etc/client.keys僅包含其本身的註冊記錄的文件。Server1代理示例:
001 Server1 any e20e0394dca71bacdea57d4ca25d203f836eca12eeca1ec150c2e5f4309a653a
註冊代理的基本數據
要註冊代理,必須提供代理的名稱和IP。
有幾種方法能夠設置代理IP:
一些註冊方法在註冊過程當中自動檢測代理的IP。
類型 | 方法 | 描述 |
---|---|---|
手動 | 使用命令行 | 使用manage_agents二進制文件手動註冊代理。 |
自動 | 使用註冊服務 | 使用ossec-authd二進制文件自動註冊代理。 |
使用RESTful API | 經過腳本(bash,python,powershell)和API註冊代理。 |
要註冊代理,請按照下列步驟操做:
1.在 manager上,運行manage_agents
[root@wazhu-manage bin]# /var/ossec/bin/manage_agents
2.選擇A以添加代理。系統將要求您提供代理的名稱(使用代理主機名或其餘任意名稱),IP地址和代理ID(此字段能夠留空以自動分配ID)。
在此示例中,咱們將添加名爲「Example」的代理,動態IP(任意)和自動ID:
**************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (A)dd an agent (A). (E)xtract key for an agent (E). (L)ist already added agents (L). (R)emove an agent (R). (Q)uit. Choose your action: A,E,L,R or Q: A - Adding a new agent (use '\q' to return to the main menu). Please provide the following: * A name for the new agent: agent01 * The IP Address of the new agent: 45.77.105.194 Confirm adding it?(y/n): y Agent added with ID 001.
3.提取新代理的密鑰。您將須要 agent:
**************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (A)dd an agent (A). (E)xtract key for an agent (E). (L)ist already added agents (L). (R)emove an agent (R). (Q)uit. Choose your action: A,E,L,R or Q: E Available agents: ID: 001, Name: agent01, IP: 45.77.105.194 Provide the ID of the agent to extract the key (or '\q' to quit): 001 Agent key information for '001' is: MDAxIGFnZW50MDEgNDUuNzcuMTA1LjE5NCBjOWNkZjNhNzBmN2YyNDRlNTFkNGZkOWI5MGZhNTUxZGIwMDZhYTA2YWZkNzdmMzExMDZhYjg3ZTk4YjkyNmY0
4.選擇Q退出manage_agents
**************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (A)dd an agent (A). (E)xtract key for an agent (E). (L)ist already added agents (L). (R)emove an agent (R). (Q)uit. Choose your action: A,E,L,R or Q: Q manage_agents: Exiting. 5.在agent上執行manage_agents: root@agent01:/# /var/ossec/bin/manage_agents **************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (I)mport key from the server (I). (Q)uit. Choose your action: I or Q:
6.選擇我以導入密鑰並粘貼您在管理器上提取的密鑰
**************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (I)mport key from the server (I). (Q)uit. Choose your action: I or Q: I * Provide the Key generated by the server. * The best approach is to cut and paste it. *** OBS: Do not include spaces or new lines. Paste it here (or '\q' to quit): MDAxIGFnZW50MDEgNDUuNzcuMTA1LjE5NCBjOWNkZjNhNzBmN2YyNDRlNTFkNGZkOWI5MGZhNTUxZGIwMDZhYTA2YWZkNzdmMzExMDZhYjg3ZTk4YjkyNmY0 Agent information: ID:001 Name:agent01 IP Address:45.77.105.194 Confirm adding it?(y/n): Y Added. **************************************** * Wazuh v3.8.0 Agent manager. * * The following options are available: * **************************************** (I)mport key from the server (I). (Q)uit. Choose your action: I or Q: q manage_agents: Exiting.
7.選擇「Q」退出manage_agents。
8.編輯Wazuh代理配置/var/ossec/etc/ossec.conf以添加Wazuh管理器IP地址。在該<client><server>部分中,將MANAGER_IP值更改成Wazuh經理地址
root@agent01:/# vi /var/ossec/etc/ossec.conf
9.重啓代理:
root@agent01:#/var/ossec/bin/ossec-control restart root@agent01:/# systemctl restart wazuh-agent root@agent01:/# systemctl status wazuh-agent wazuh-agent.service - Wazuh agent Loaded: loaded (/etc/systemd/system/wazuh-agent.service; enabled; vendor preset: Active: active (running) since Tue 2019-01-22 07:25:47 UTC; 11s ago Process: 4466 ExecStart=/usr/bin/env ${DIRECTORY}/bin/ossec-control start (code=e Tasks: 20 Memory: 8.0M CPU: 682ms CGroup: /system.slice/wazuh-agent.service ├─4492 /var/ossec/bin/ossec-execd ├─4497 /var/ossec/bin/ossec-agentd ├─4504 /var/ossec/bin/ossec-syscheckd ├─4509 /var/ossec/bin/ossec-logcollector └─4519 /var/ossec/bin/wazuh-modulesd Jan 22 07:25:45 agent01 systemd[1]: Starting Wazuh agent... Jan 22 07:25:45 agent01 env[4466]: Starting Wazuh v3.8.0... Jan 22 07:25:45 agent01 env[4466]: Started ossec-execd... Jan 22 07:25:45 agent01 env[4466]: Started ossec-agentd... Jan 22 07:25:45 agent01 env[4466]: Started ossec-syscheckd... Jan 22 07:25:45 agent01 env[4466]: Started ossec-logcollector... Jan 22 07:25:45 agent01 env[4466]: Started wazuh-modulesd... Jan 22 07:25:47 agent01 env[4466]: Completed. Jan 22 07:25:47 agent01 systemd[1]: Started Wazuh agent
/var/ossec/bin/manage_agents-nServer1-a10.10.10.10-F0
該ossec-authd服務容許客服端自動註冊agent.
使用默認選項配置在管理服務器上啓動守護程序將容許任何代理自行註冊,而後鏈接到它。下面提供了一些受權鏈接的機制的表格以下:
類型 |
方法 |
描述 |
||
---|---|---|---|---|
不安全 |
最簡單的方法。沒有身份驗證或主機驗證。 |
|||
安全 |
容許代理經過共享密碼進行身份驗證。此方法很簡單,但不執行主機驗證。 |
|||
管理員的證書由代理用於驗證服務器的CA簽名。這可能包括主機檢查。 |
||||
經過主機驗證 |
與上述相同,但管理服務器驗證代理主機的證書和地址。每一個代理主機應該有一個證書。 |
|||
沒有主機驗證 |
管理服務器經過CA驗證代理主機,但不驗證主機地址。此方法容許使用共享代理證書。 |
注意:能夠經過組合方式在註冊代理過程當中提供更合理的安全註冊方法。
註冊服務須要管理服務器上的SSL證書才能工做。若是系統已有openssl包,則在安裝過程當中將自動生成一個新包(cenos7默認生成)。證書及其密鑰將在/var/ossec/etc/目錄下生成。能夠將有效證書與其密鑰一塊兒使用,只需將它們複製到同一路徑便可:
# CP <ssl_cert> /var/ossec/etc/sslmanager.cert # CP <ssl_key> /var/ossec/etc/sslmanager.key
不然,您可使用如下命令建立自簽名證書:
openssl req -x509 -batch -nodes -days 365 -newkey rsa:2048 -out /var/ossec/etc/sslmanager.cert -keyout /var/ossec/etc/sslmanager.key
這是註冊代理的最簡單方法,它不須要任何類型的受權或主機驗證。爲此,請按照下列步驟操做之一:
1.在服務器上啓動註冊服務:
[root@wazhu-manage etc]# /var/ossec/bin/ossec-authd
2.在代理主機上使用agent-auth命令而後加上管理器的IP地址運行程序:
a.對於Linux系統:
root@agent01:~# cd /opt root@agent01:/opt# wget https://packages.wazuh.com/3.x/apt/pool/main/w/wazuh-agent/wazuh-agent_3.8.0-1_amd64.deb root@agent01:/opt# dpkg -i wazuh-agent_3.8.0-1_amd64.deb Selecting previously unselected package wazuh-agent. (Reading database ... 92845 files and directories currently installed.) Preparing to unpack wazuh-agent_3.8.0-1_amd64.deb ... Unpacking wazuh-agent (3.8.0-1) ... Setting up wazuh-agent (3.8.0-1) ... Processing triggers for systemd (229-4ubuntu21.4) ... Processing triggers for ureadahead (0.100.0-19) .. root@agent01:/# vi /var/ossec/etc/ossec.conf <server> <address>149.248.9.0</address> <port>1514</port> <protocol>udp</protocol> </server> root@agent02:/var/ossec/bin# /var/ossec/bin/agent-auth -m 149.248.9.0 2019/01/22 09:29:20 agent-auth: INFO: Started (pid: 4277). INFO: No authentication password provided. INFO: Connected to 149.248.9.0:1515 INFO: Using agent name as: agent02 INFO: Send request to manager. Waiting for reply. INFO: Received response with agent key INFO: Valid key created. Finished. INFO: Connection closed. root@agent02:#/var/ossec/bin/ossec-control restart
b.對於Windows系統:(其餘條件要啓動代理和配置好代理的服務器IP地址)
# C:\Program Files (x86)\ossec-agent\agent-auth.exe -m <MANAGER_IP_ADDRESS>
您可使用密碼保護管理服務器免受未經受權的代理註冊。本身選擇一個或讓註冊服務生成一個隨機密碼。要啓用密碼受權,請使用-P參數來運行註冊服務。
1.在管理服務器上執行如下步驟:
a.要使用自定義密碼,請編輯/var/ossec/etc/authd.pass文件進行修改。例如,若是咱們想使用passw0rd做爲密碼:
[root@wazhu-manage etc]# echo "passw0rdt=" > /var/ossec/etc/authd.pass [root@wazhu-manage etc]# /var/ossec/bin/ossec-authd -P
接受端口1515上的鏈接並使用文件中指定的密碼:/var/ossec/etc/authd.pas
b.若是未指定密碼,則註冊服務將自行建立密碼並將在命令控制終端輸出密碼:
[root@wazhu-manage etc]# /var/ossec/bin/ossec-authd -P
接受端口1515上的鏈接併爲代理驗證輸出隨機密碼:abdc1234
2.代理能夠經過將密碼存儲在文件中或經過命令行參數來使用密碼。請執行如下步驟之一:
(1).將密碼寫下到/var/ossec/etc/authd.pass下並運行agent-auth程序:
a.Linux系統:
# echo "abcd1234" > /var/ossec/etc/authd.pass # /var/ossec/bin/agent-auth -m <MANAGER_IP_ADDRESS>
b.Windows系統:
# echo abcd1234 > C:\Program Files (x86)\ossec-agent\authd.pass
# C:\Program Files (x86)\ossec-agent\agent-auth.exe -m <MANAGER_IP_ADDRESS>
(2).使用-P參數而後輸入密碼:
a.Linux系統:
# /var/ossec/bin/agent-auth -m <MANAGER_IP_ADDRESS> -P "abcd1234"
b.Windows系統:
# C:\Program Files (x86)\ossec-agent\agent-auth.exe -m <MANAGER_IP_ADDRESS> -P "abcd1234"
要使用具備SSL認證的註冊服務,您必須建立一個受權證書,用於爲管理服務器和代理簽署證書。主機將收到此CA的副本以驗證遠程證書:
[root@wazhu-manage bin]# cd /var/ossec/etc [root@wazhu-manage etc]# cp sslmanager.cert sslmanager.cert.bak [root@wazhu-manage etc]# cp sslmanager.key sslmanager.key.bak [root@wazhu-manage etc]# rm sslmanager.cert sslmanager.key [root@wazhu-manage etc]#cd /opt [root@wazhu-manage opt]# openssl req -x509 -new -nodes -newkey rsa:2048 -keyout rootCA.key -out rootCA.pem -batch -subj "/C=US/ST=CA/O=Manager" Generating a 2048 bit RSA private key ...............................................+++ ............................................................+++ writing new private key to 'rootCA.key' ----- [root@wazhu-manage opt]# ls jre-8-linux-x64.rpm wazuh-agent-3.8.0-1.x86_64.rpm rootCA.key wazuh-api-3.8.0-1.x86_64.rpm rootCA.pem wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]#
注意:咱們剛剛建立的文件rootCA.key是CA 的私鑰。須要簽署其餘證書,保證其安全的重要性。請注意,咱們永遠不會將此文件複製到其餘主機上。
(1).爲管理服務器頒發並簽署證書,它是將用於鏈接服務器的主機名或IP地址。例如,若是管理服務器的IP是192.168.1.2:
[root@wazhu-manage opt]# openssl req -new -nodes -newkey rsa:2048 -keyout sslmanager.key -out sslmanager.csr -subj '/C=US/CN=149.248.9.0' Generating a 2048 bit RSA private key .................................................+++ ..........................................................................................................................................................................................+++ writing new private key to 'sslmanager.key' ----- [root@wazhu-manage opt]# ls jre-8-linux-x64.rpm sslmanager.key rootCA.key wazuh-agent-3.8.0-1.x86_64.rpm rootCA.pem wazuh-api-3.8.0-1.x86_64.rpm sslmanager.csr wazuh-manager-3.8.0-1.x86_64.rpm [root@wazhu-manage opt]# openssl x509 -req -days 365 -in sslmanager.csr -CA rootCA.pem -CAkey rootCA.key -out sslmanager.cert -CAcreateserial Signature ok subject=/C=US/CN=149.248.9.0 Getting CA Private Key [root@wazhu-manage opt]# python -m SimpleHTTPServer 81
(2).將新建立的證書(及其密鑰)複製到管理服務器上/var/ossec/etc的文件夾中,而後啓動註冊服務:
[root@wazhu-manage opt]# cp sslmanager.cert sslmanager.key /var/ossec/etc [root@wazhu-manage opt]# systemctl restart wazuh-manager.service [root@wazhu-manage opt]# /var/ossec/bin/ossec-authd
(3).將CA(但不是密鑰複製到代理主機上/var/ossec/etc的文件夾中,而後運行agent-auth程序:
a.Linux系統:
root@agent03:/opt# wget http://149.248.9.0:81/rootCA.pem root@agent03:/opt# cp rootCA.pem /var/ossec/etc root@agent03:/opt# /var/ossec/bin/ossec-control restart
b.對於Windows系統,必須將CA複製到:C:\Program Files (x86)\ossec-agent
# cp rootCA.pem C:\Program Files (x86)\ossec-agent # C:\Program Files (x86)\ossec-agent\agent-auth.exe -m 149.248.9.0 -v C:\Program Files (x86)\ossec-agent\rootCA.pem
1.代理驗證(無主機驗證)
在此示例中,咱們將爲代理建立證書而不指定其主機名,以便許多代理可使用相同的證書。不管他們從何處進行鏈接,這將驗證代理是否具備由CA簽署的證書.
(1).爲代理簽發證書並簽名。請注意,咱們不會輸入公共名稱字段:
# openssl req -new -nodes -newkey rsa:2048 -keyout sslagent.key -out sslagent.csr -batch # openssl x509 -req -days 365 -in sslagent.csr -CA rootCA.pem -CAkey rootCA.key -out sslagent.cert -CAcreateserial
(2).將CA(但不是密鑰)複製到管理服務器上/var/ossec/etc的文件夾中(若是它還沒有存在)並啓動註冊服務:
# cp rootCA.pem /var/ossec/etc # /var/ossec/bin/ossec-authd -v /var/ossec/etc/rootCA.pem
(3).將新建立的證書(及其密鑰)複製到代理主機/var/ossec/etc的文件夾內,而後運行agent-auth程序。例如,若是管理服務器的IP地址是192.168.1.2:
a.Linux系統:
# cp sslagent.cert sslagent.key /var/ossec/etc # /var/ossec/bin/agent-auth -m 192.168.1.2 -x /var/ossec/etc/sslagent.cert -k /var/ossec/etc/sslagent.key
b.對於Windows系統,必須將CA複製到:C:\Program Files (x86)\ossec-agent
# cp sslagent.cert sslagent.key C:\Program Files (x86)\ossec-agent # C:\Program Files (x86)\ossec-agent\agent-auth.exe -m 192.168.1.2 -x C:\Program Files (x86)\ossec-agent\sslagent.cert -k C:\Program Files (x86)\ossec-agent\sslagent.key
2.代理驗證(帶主機驗證)
這是前一種替代的方法。在這種狀況下,咱們將代理的證書綁定到管理服務器的IP地址。
(1).爲代理頒發並簽署證書,將其主機名或IP地址輸入公共名稱字段。例如,若是代理的IP是192.168.1.3:
# OpenSSL的REQ -new -nodes -newkey RSA:2048 -keyout sslagent.key退房手續sslagent.csr -subj '/C=US/CN=192.168.1.3' # OpenSSL的X509 -req -days 365 -in sslagent.csr - CA rootCA.pem -CAkey rootCA.key -out sslagent.cert -CAcreateserial
(2).將CA(但不是密鑰)複製到管理器上/var/ossec/etc的文件夾中(若是它還沒有存在)並啓動註冊服務。請注意,咱們使用該-s參數來啓用代理主機驗證:
# cp rootCA.pem /var/ossec/etc # /var/ossec/bin/ossec-authd -v /var/ossec/etc/rootCA.pem
(3).將新建立的證書(及其密鑰)複製到代理上/var/ossec/etc的文件夾中,而後運行agent-auth程序。例如,若是管理服務器的IP地址是192.168.1.2:
a.Linux系統:
# cp sslagent.cert sslagent.key /var/ossec/etc # /var/ossec/bin/agent-auth -m 192.168.1.2 -x /var/ossec/etc/sslagent.cert -k /var/ossec/etc/sslagent.key
b.對於Windows系統,必須將CA複製到:C:\Program Files (x86)\ossec-agent
# cp sslagent.cert sslagent.key C:\Program Files (x86)\ossec-agent # C:\Program Files (x86)\ossec-agent\agent-auth.exe -m 192.168.1.2 -x C:\Program Files (x86)\ossec-agent\sslagent.cert -k C:\Program Files (x86)\ossec-agent\sslagent.key
默認狀況下,註冊服務會使用其靜態IP地址添加代理。若是要使用動態IP添加它們(如any在manage_agents工具上使用),則必須更改管理器的配置文件
<auth>
<use_source_ip>no</use_source_ip>
</auth>ls
不容許重複的IP,所以若是已經有另外一個使用相同IP註冊的代理,則不會添加代理。經過更改配置文件,若是找到具備相同IP地址的舊代理,ossec-authd則能夠告知強制註冊。這將使舊代理的註冊被刪除:
<auth>
<force_insert>yes</force_insert>
<force_time>0</force_time>
</auth>
0參數表示最小時間(秒),由於舊的代理是最後一個鏈接(一個要被刪除的代理)。在這種狀況下,它意味着刪除舊代理的註冊,不管它最近被接入
使用API註冊代理須要兩個請求:
咱們準備了一些不一樣編程語言的腳原本幫助完成使用API註冊代理的任務:
root@agent04:~# cd /opt root@agent04:/opt# wget https://packages.wazuh.com/3.x/apt/pool/main/w/wazuh-agent/wazuh-agent_3.8.0-1_amd64.de root@agent04:/opt# chmod +x wazuh-agent_3.8.0-1_amd64.deb root@agent04:/opt# vi /var/ossec/etc/ossec.conf <server> <address>149.248.9.0</address> <port>1514</port> <protocol>udp</protocol> </server> root@agent04:/opt# vi api-register-agent.sh root@agent04:/opt# sh api-register-agent.sh
基本上,腳本執行如下步驟:
第1步:將代理添加到管理器。
# curl -u foo:bar -X POST -d 'name=NewAgent&ip=10.0.0.8'"http://localhost:55000/agents" {"error":0,"data":"001"}
第2步:獲取代理密鑰。
# curl -u foo:bar -X GET "http://localhost:55000/agents/001/key" {"error":0,"data":"MDAxIE5ld0FnZW50IDEwLjAuMC44IDM0MGQ1NjNkODQyNjcxMWIyYzUzZTE1MGIzYjEyYWVlMTU1ODgxMzVhNDE3MWQ1Y2IzZDY4M2Y0YjA0ZWVjYzM="}
第3步:將密鑰複製到代理。
# /var/ossec/bin/manage_agents -i MDAxIE5ld0FnZW50IDEwLjAuMC44IDM0MGQ1NjNkODQyNjcxMWIyYzUzZTE1MGIzYjEyYWVlMTU1ODgxMzVhNDE3MWQ1Y2IzZDY4M2Y0YjA0ZWVjYzM=
注意:若是將命令直接粘貼到終端中,則代理密鑰將保存在bash歷史記錄中。使用manage_agents不帶參數或腳本。
第4步:從新啓動代理
systemctl restart wazuh-agent