|
| 1 | +# 部署与配置 |
| 2 | +## waf部署与配置 |
| 3 | +### openresty的配置 |
| 4 | + |
| 5 | +将x-waf的代码目录`waf`放置到openresty的`/usr/local/openresty/nginx/conf`目录下,并在openresty的conf的目录下新建vhosts目录 |
| 6 | + |
| 7 | +```bash |
| 8 | +mkdir -p /usr/local/openresty/nginx/conf/vhosts |
| 9 | +``` |
| 10 | +以下为openresty的配置范例: |
| 11 | + |
| 12 | +```ini |
| 13 | +user nginx; |
| 14 | +worker_processes auto; |
| 15 | +worker_cpu_affinity auto; |
| 16 | + |
| 17 | +#error_log logs/error.log; |
| 18 | +#error_log logs/error.log debug; |
| 19 | +#error_log logs/error.log info; |
| 20 | + |
| 21 | +#pid logs/nginx.pid; |
| 22 | + |
| 23 | +events { |
| 24 | + worker_connections 409600; |
| 25 | +} |
| 26 | + |
| 27 | +http { |
| 28 | + include mime.types; |
| 29 | + default_type application/octet-stream; |
| 30 | + |
| 31 | + lua_package_path "/usr/local/openresty/nginx/conf/waf/code/?.lua;/usr/local/lib/lua/?.lua;;"; |
| 32 | + lua_shared_dict limit 100m; |
| 33 | + lua_shared_dict badGuys 100m; |
| 34 | + lua_code_cache on; |
| 35 | + init_by_lua_file /usr/local/openresty/nginx/conf/waf/code/init.lua; |
| 36 | + access_by_lua_file /usr/local/openresty/nginx/conf/waf/code/access.lua; |
| 37 | + |
| 38 | + #log_format shield_access '$remote_addr - $http_host - "$request" - "$http_cookie"'; |
| 39 | + #access_log pipe:/usr/local/shield/redisclient shield_access; |
| 40 | + |
| 41 | + #ssl on; |
| 42 | + #ssl_certificate certs/cert_chain.crt; |
| 43 | + #ssl_certificate_key certs/server.key; |
| 44 | + ssl_session_timeout 5m; |
| 45 | + ssl_protocols SSLv2 SSLv3 TLSv1; |
| 46 | + ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP; |
| 47 | + ssl_prefer_server_ciphers on; |
| 48 | + |
| 49 | + |
| 50 | + sendfile on; |
| 51 | + #tcp_nopush on; |
| 52 | + |
| 53 | + #keepalive_timeout 0; |
| 54 | + keepalive_timeout 65; |
| 55 | + |
| 56 | + #gzip on; |
| 57 | + include vhosts/*.conf; |
| 58 | +} |
| 59 | +``` |
| 60 | +### waf的配置 |
| 61 | +waf的配置文件位于`/usr/local/openresty/nginx/conf/waf/config.lua`中,详细的配置项如下: |
| 62 | + |
| 63 | +```lua |
| 64 | +--WAF config file, enable = "on", disable = "off" |
| 65 | +local _M = { |
| 66 | + --waf status |
| 67 | + config_waf_enable = "on", |
| 68 | +--log dir |
| 69 | +config_log_dir = "/tmp/waf_logs", |
| 70 | +--rule setting |
| 71 | +config_rule_dir = "/usr/local/openresty/nginx/conf/waf/rules", |
| 72 | +--enable/disable white url |
| 73 | +config_white_url_check = "on", |
| 74 | +--enable/disable white ip |
| 75 | +config_white_ip_check = "on", |
| 76 | +--enable/disable block ip |
| 77 | +config_black_ip_check = "on", |
| 78 | +--enable/disable url filtering |
| 79 | +config_url_check = "on", |
| 80 | +--enalbe/disable url args filtering |
| 81 | +config_url_args_check = "on", |
| 82 | +--enable/disable user agent filtering |
| 83 | +config_user_agent_check = "on", |
| 84 | +--enable/disable cookie deny filtering |
| 85 | +config_cookie_check = "on", |
| 86 | +--enable/disable cc filtering |
| 87 | +config_cc_check = "on", |
| 88 | +--cc rate the xxx of xxx seconds |
| 89 | +config_cc_rate = "10/60", |
| 90 | +--enable/disable post filtering |
| 91 | +config_post_check = "on", |
| 92 | +--config waf output redirect/html/jinghuashuiyue |
| 93 | +config_waf_model = "html", |
| 94 | +--if config_waf_output ,setting url |
| 95 | +config_waf_redirect_url = "http://xsec.io", |
| 96 | +config_expire_time = 600, |
| 97 | +config_output_html=[[ |
| 98 | +<html > |
| 99 | + <head> |
| 100 | + <meta charset="UTF-8"> |
| 101 | + <title>xsec waf</title> |
| 102 | + <style type="text/css"> |
| 103 | + body { |
| 104 | + font-family: "Helvetica Neue", Helvetica, Arial; |
| 105 | + font-size: 14px; |
| 106 | + line-height: 20px; |
| 107 | + font-weight: 400; |
| 108 | + color: #3b3b3b; |
| 109 | + -webkit-font-smoothing: antialiased; |
| 110 | + font-smoothing: antialiased; |
| 111 | + background: #f6f6f6; |
| 112 | +} |
| 113 | +.wrapper { |
| 114 | + margin: 0 auto; |
| 115 | + padding: 40px; |
| 116 | + max-width: 980px; |
| 117 | +} |
| 118 | +.table { |
| 119 | + margin: 0 0 40px 0; |
| 120 | + box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); |
| 121 | + display: table; |
| 122 | +} |
| 123 | +@media screen and (max-width: 580px) { |
| 124 | + .table { |
| 125 | + display: block; |
| 126 | + } |
| 127 | +} |
| 128 | +.row { |
| 129 | + display: table-row; |
| 130 | + background: #f6f6f6; |
| 131 | +} |
| 132 | +.row:nth-of-type(odd) { |
| 133 | + background: #e9e9e9; |
| 134 | +} |
| 135 | +.row.header { |
| 136 | + font-weight: 900; |
| 137 | + color: #ffffff; |
| 138 | + background: #ea6153; |
| 139 | +} |
| 140 | +.row.green { |
| 141 | + background: #27ae60; |
| 142 | +} |
| 143 | +.row.yellow { |
| 144 | + background: #FF8C00; |
| 145 | +} |
| 146 | +@media screen and (max-width: 580px) { |
| 147 | + .row { |
| 148 | + padding: 8px 0; |
| 149 | + display: block; |
| 150 | + } |
| 151 | +} |
| 152 | +.cell { |
| 153 | + padding: 6px 12px; |
| 154 | + display: table-cell; |
| 155 | +} |
| 156 | +@media screen and (max-width: 580px) { |
| 157 | + .cell { |
| 158 | + padding: 2px 12px; |
| 159 | + display: block; |
| 160 | + } |
| 161 | +} |
| 162 | +</style> |
| 163 | +</head> |
| 164 | + <body> |
| 165 | + <div class="wrapper"> |
| 166 | + <div class="table"> |
| 167 | + <div class="row header yellow"> |
| 168 | + <div class="cell"> |
| 169 | + 您的IP为 %s |
| 170 | + </div> |
| 171 | + <div class="cell"> |
| 172 | + 欢迎在遵守白帽子道德准则的情况下进行安全测试。 |
| 173 | + </div> |
| 174 | + <div class="cell"> |
| 175 | + |
| 176 | + </div> |
| 177 | + </div> |
| 178 | + </div> |
| 179 | +
|
| 180 | +</div> |
| 181 | + </body> |
| 182 | +</html> |
| 183 | +]], |
| 184 | +} |
| 185 | +return _M |
| 186 | +``` |
| 187 | + |
| 188 | +### waf测试 |
| 189 | + |
| 190 | +使用root权限执行以下命令测试配置文件的正确性,如果测试结果返回ok则表示配置是正确的。 |
| 191 | + |
| 192 | +```bash |
| 193 | +$ sudo /usr/local/openresty/nginx/sbin/nginx -t |
| 194 | +[sudo] hartnett 的密码: |
| 195 | +nginx: the configuration file /usr/local/openresty/nginx/conf/nginx.conf syntax is ok |
| 196 | +nginx: configuration file /usr/local/openresty/nginx/conf/nginx.conf test is successful |
| 197 | +``` |
| 198 | + |
| 199 | +如果配置文件正常,可以通过以下命令正式启动waf |
| 200 | + |
| 201 | +```bash |
| 202 | +$ sudo /usr/local/openresty/nginx/sbin/nginx |
| 203 | +``` |
| 204 | + |
| 205 | +### WAF防御效果测试 |
| 206 | + |
| 207 | +在服务器中提交`curl http://127.0.0.1/\?id\=1%20union%20select%201,2,3`, |
| 208 | +如果返回的内容中包含`欢迎在遵守白帽子道德准则的情况下进行安全测试`等字样就表示waf已经在正常运行了。 |
| 209 | + |
| 210 | + |
| 211 | +## waf-admin配置 |
| 212 | +- waf-admin需要mysql的支持,事先需要准备一个mysql数据库的账户,以下为app.ini的配置范例: |
| 213 | + |
| 214 | +```ini |
| 215 | +RUN_MODE = dev |
| 216 | +;RUN_MODE = prod |
| 217 | + |
| 218 | +[server] |
| 219 | +HTTP_PORT = 5000 |
| 220 | +API_KEY = xsec.io||secdevops.cn |
| 221 | +NGINX_BIN = /usr/local/openresty/nginx/sbin/nginx |
| 222 | +NGINX_VHOSTS = /usr/local/openresty/nginx/conf/vhosts/ |
| 223 | +API_SERVERS = 127.0.0.1, 8.8.8.8 |
| 224 | + |
| 225 | +[database] |
| 226 | +USER = waf-admin |
| 227 | +PASSWD = passw0rd |
| 228 | +HOST = mysqlhost:3306 |
| 229 | +NAME = waf |
| 230 | + |
| 231 | +[waf] |
| 232 | +RULE_PATH = /usr/local/openresty/nginx/conf/waf/rules/ |
| 233 | +``` |
| 234 | +配置完成后在当前目录执行./server测试程序是否可以正常启动,waf-admin需要操作nginx的master进程,所以需要以root权限启动。 |
| 235 | + |
| 236 | +可以使用supversisor、nohup、systemd等将waf-admin跑在后台。 |
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