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干货|linux服务器hosts.deny&hosts.allow设置大法

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查看: 251|回复: 1
发表于 2016-10-26 11:21:57 | 显示全部楼层 |阅读模式
作为linux服务器的站长常常受到自动注册机器人侵扰,每日有数以千计的外国IP地址进行自动注册。通过设置hosts.deny和hosts.allow这两个文件可以有效的禁止外国IP地址注册。
2222.jpg 111.jpg


hosts.allowhosts.deny两个文件均在/etc/目录下
优先级为先检查hosts.deny再检查hosts.allow后者设定可越过前者限制

1.jpg

这两个文件是tcpd服务器的配置文件,tcpd服务器可以控制外部IP对本机服务的访问。这两个配置文件的格式如下:
#服务进程名:主机列表:当规则匹配时可选的命令操作
server_name:hosts-list[:command]
/etc/hosts.allow控制可以访问本机的IP地址
/etc/hosts.deny控制禁止访问本机的IP。如果两个文件的配置有冲突,以/etc/hosts.deny为准。
/etc/hosts.allow/etc/hosts.deny两个文件是控制远程访问设置的,通过他可以允许或者拒绝某个ip或者ip段的客户访问linux的某项服务
比如SSH服务,我们通常只对管理员开放,那我们就可以禁用不必要的IP,而只开放管理员可能使用到的IP段。





通过设置hosts.allow和hosts.deny便可以有效控制外国IP访问网站

hosts.allow设置:(ALL:1.12.0.0/255.252.0.0表示允许IP段为1.12.0.0 - 1.15.255.255的用户访问linux的所有服务
以下IP段为笔者收集的国内所有地区的IP地址段
  1. #
  2. # hosts.allow        This file contains access rules which are used to
  3. #                allow or deny connections to network services that
  4. #                either use the tcp_wrappers library or that have been
  5. #                started through a tcp_wrappers-enabled xinetd.
  6. #
  7. #                See 'man 5 hosts_options' and 'man 5 hosts_access'
  8. #                for information on rule syntax.
  9. #                See 'man tcpd' for information on tcp_wrappers
  10. #
  11. ALL:1.12.0.0/255.252.0.0
  12. ALL:1.24.0.0/255.248.0.0
  13. ALL:27.8.0.0/255.224.0.0
  14. ALL:27.36.0.0/255.240.0.0
  15. ALL:27.50.128.0/255.255.128.0
  16. ALL:27.54.192.0/255.255.192.0
  17. ALL:27.128.0.0/255.254.0.0
  18. ALL:27.144.0.0/255.255.0.0
  19. ALL:27.148.0.0/255.252.0.0
  20. ALL:27.152.0.0/255.248.0.0
  21. ALL:27.184.0.0/255.248.0.0
  22. ALL:27.192.0.0/255.224.0.0
  23. ALL:27.224.0.0/255.252.0.0
  24. ALL:58.14.0.0/255.254.0.0
  25. ALL:58.16.0.0/255.248.0.0
  26. ALL:58.24.0.0/255.254.0.0
  27. ALL:58.30.0.0/255.254.0.0
  28. ALL:58.32.0.0/255.224.0.0
  29. ALL:58.66.0.0/255.254.0.0
  30. ALL:58.68.128.0/255.255.128.0
  31. ALL:58.82.0.0/255.254.0.0
  32. ALL:58.87.64.0/255.255.192.0
  33. ALL:58.99.128.0/255.255.128.0
  34. ALL:58.100.0.0/255.255.0.0
  35. ALL:58.101.0.0/255.255.0.0
  36. ALL:58.116.0.0/255.252.0.0
  37. ALL:58.128.0.0/255.248.0.0
  38. ALL:58.144.0.0/255.255.0.0
  39. ALL:58.154.0.0/255.254.0.0
  40. ALL:58.192.0.0/255.224.0.0
  41. ALL:58.240.0.0/255.240.0.0
  42. ALL:59.32.0.0/255.224.0.0
  43. ALL:59.64.0.0/255.240.0.0
  44. ALL:59.80.0.0/255.252.0.0
  45. ALL:59.107.0.0/255.255.0.0
  46. ALL:59.108.0.0/255.252.0.0
  47. ALL:59.151.0.0/255.255.128.0
  48. ALL:59.155.0.0/255.255.0.0
  49. ALL:59.172.0.0/255.252.0.0
  50. ALL:59.191.0.0/255.255.0.0
  51. ALL:59.192.0.0/255.192.0.0
  52. ALL:60.0.0.0/255.224.0.0
  53. ALL:60.55.0.0/255.255.0.0
  54. ALL:60.63.0.0/255.255.0.0
  55. ALL:60.160.0.0/255.224.0.0
  56. ALL:60.194.0.0/255.254.0.0
  57. ALL:60.200.0.0/255.248.0.0
  58. ALL:60.208.0.0/255.240.0.0
  59. ALL:60.232.0.0/255.254.0.0
  60. ALL:60.235.0.0/255.255.0.0
  61. ALL:60.245.128.0/255.255.128.0
  62. ALL:60.247.0.0/255.255.0.0
  63. ALL:60.252.0.0/255.255.0.0
  64. ALL:60.253.128.0/255.255.128.0
  65. ALL:60.255.0.0/255.255.0.0
  66. ALL:61.4.80.0/255.255.240.0
  67. ALL:61.4.176.0/255.255.240.0
  68. ALL:61.8.160.0/255.255.240.0
  69. ALL:61.28.0.0/255.255.128.0
  70. ALL:61.29.128.0/255.255.128.0
  71. ALL:61.45.128.0/255.255.192.0
  72. ALL:61.47.128.0/255.255.192.0
  73. ALL:61.48.0.0/255.248.0.0
  74. ALL:61.87.192.0/255.255.192.0
  75. ALL:61.128.0.0/255.192.0.0
  76. ALL:61.232.0.0/255.252.0.0
  77. ALL:61.236.0.0/255.254.0.0
  78. ALL:61.240.0.0/255.252.0.0
  79. ALL:110.6.0.0/255.254.0.0
  80. ALL:110.16.0.0/255.252.0.0
  81. ALL:110.40.0.0/255.252.0.0
  82. ALL:110.48.0.0/255.255.0.0
  83. ALL:110.51.0.0/255.255.0.0
  84. ALL:110.52.0.0/255.254.0.0
  85. ALL:110.56.0.0/255.248.0.0
  86. ALL:110.64.0.0/255.254.0.0
  87. ALL:110.72.0.0/255.254.0.0
  88. ALL:110.75.0.0/255.255.0.0
  89. ALL:110.76.0.0/255.255.192.0
  90. ALL:110.76.192.0/255.255.192.0
  91. ALL:110.77.0.0/255.255.128.0
  92. ALL:110.80.0.0/255.248.0.0
  93. ALL:110.88.0.0/255.252.0.0
  94. ALL:110.94.0.0/255.254.0.0
  95. ALL:110.96.0.0/255.224.0.0
  96. ALL:110.152.0.0/255.252.0.0
  97. ALL:110.156.0.0/255.254.0.0
  98. ALL:110.166.0.0/255.254.0.0
  99. ALL:110.172.192.0/255.255.0.0
  100. ALL:110.173.0.0/255.255.224.0
  101. ALL:110.173.32.0/255.255.240.0
  102. ALL:110.173.64.0/255.255.192.0
  103. ALL:110.173.192.0/255.255.224.0
  104. ALL:110.176.0.0/255.240.0.0
  105. ALL:110.192.0.0/255.224.0.0
  106. ALL:110.228.0.0/255.252.0.0
  107. ALL:110.232.32.0/255.255.224.0
  108. ALL:110.236.0.0/255.254.0.0
  109. ALL:110.240.0.0/255.240.0.0
  110. ALL:111.0.0.0/255.192.0.0
  111. ALL:111.66.0.0/255.255.0.0
  112. ALL:111.67.192.0/255.255.240.0
  113. ALL:111.68.64.0/255.255.224.0
  114. ALL:111.72.0.0/255.248.0.0
  115. ALL:111.85.0.0/255.255.0.0
  116. ALL:111.91.192.0/255.255.224.0
  117. ALL:111.112.0.0/255.252.0.0
  118. ALL:111.116.0.0/255.254.0.0
  119. ALL:111.119.64.0/255.255.192.0
  120. ALL:111.119.128.0/255.255.224.0
  121. ALL:111.120.0.0/255.252.0.0
  122. ALL:111.124.0.0/255.255.0.0
  123. ALL:111.126.0.0/255.254.0.0
  124. ALL:111.128.0.0/255.224.0.0
  125. ALL:111.160.0.0/255.248.0.0
  126. ALL:111.170.0.0/255.255.0.0
  127. ALL:111.172.0.0/255.255.0.0
  128. ALL:111.176.0.0/255.248.0.0
  129. ALL:111.186.0.0/255.254.0.0
  130. ALL:111.192.0.0/255.240.0.0
  131. ALL:111.208.0.0/255.248.0.0
  132. ALL:111.221.128.0/255.255.128.0
  133. ALL:111.222.0.0/255.255.0.0
  134. ALL:111.223.240.0/255.255.252.0
  135. ALL:111.223.248.0/255.255.252.0
  136. ALL:111.224.0.0/255.248.0.0
  137. ALL:111.235.96.0/255.255.224.0
  138. ALL:111.235.160.0/255.255.224.0
  139. ALL:112.0.0.0/255.192.0.0
  140. ALL:112.64.0.0/255.252.0.0
  141. ALL:112.73.0.0/255.255.0.0
  142. ALL:112.74.0.0/255.254.0.0
  143. ALL:112.80.0.0/255.248.0.0
  144. ALL:112.109.128.0/255.255.128.0
  145. ALL:112.111.0.0/255.255.0.0
  146. ALL:112.112.0.0/255.252.0.0
  147. ALL:112.116.0.0/255.254.0.0
  148. ALL:112.122.0.0/255.254.0.0
  149. ALL:112.124.0.0/255.252.0.0
  150. ALL:112.128.0.0/255.252.0.0
  151. ALL:112.132.0.0/255.255.0.0
  152. ALL:112.192.0.0/255.252.0.0
  153. ALL:112.224.0.0/255.254.0.0
  154. ALL:113.0.0.0/255.248.0.0
  155. ALL:113.8.0.0/255.254.0.0
  156. ALL:113.11.192.0/255.255.224.0
  157. ALL:113.12.0.0/255.252.0.0
  158. ALL:113.16.0.0/255.254.0.0
  159. ALL:113.18.0.0/255.255.0.0
  160. ALL:113.24.0.0/255.252.0.0
  161. ALL:113.31.0.0/255.255.0.0
  162. ALL:113.44.0.0/255.252.0.0
  163. ALL:113.48.0.0/255.252.0.0
  164. ALL:113.52.160.0/255.255.224.0
  165. ALL:113.54.0.0/255.254.0.0
  166. ALL:113.56.0.0/255.254.0.0
  167. ALL:113.58.0.0/255.255.0.0
  168. ALL:113.59.0.0/255.255.128.0
  169. ALL:113.62.0.0/255.254.0.0
  170. ALL:113.64.0.0/255.192.0.0
  171. ALL:113.128.0.0/255.254.0.0
  172. ALL:113.130.96.0/255.255.240.0
  173. ALL:113.130.112.0/255.255.248.0
  174. ALL:113.132.0.0/255.252.0.0
  175. ALL:113.136.0.0/255.248.0.0
  176. ALL:113.194.0.0/255.254.0.0
  177. ALL:113.200.0.0/255.254.0.0
  178. ALL:113.202.0.0/255.255.0.0
  179. ALL:113.204.0.0/255.252.0.0
  180. ALL:113.208.96.0/255.255.224.0
  181. ALL:113.208.128.0/255.255.128.0
  182. ALL:113.209.0.0/255.255.0.0
  183. ALL:113.212.0.0/255.255.192.0
  184. ALL:113.213.0.0/255.255.128.0
  185. ALL:113.214.0.0/255.254.0.0
  186. ALL:113.218.0.0/255.254.0.0
  187. ALL:113.220.0.0/255.252.0.0
  188. ALL:113.224.0.0/255.240.0.0
  189. ALL:113.240.0.0/255.248.0.0
  190. ALL:113.248.0.0/255.252.0.0
  191. ALL:114.28.0.0/255.255.0.0
  192. ALL:114.54.0.0/255.254.0.0
  193. ALL:114.60.0.0/255.252.0.0
  194. ALL:114.64.0.0/255.252.0.0
  195. ALL:114.68.0.0/255.255.0.0
  196. ALL:114.80.0.0/255.240.0.0
  197. ALL:114.96.0.0/255.248.0.0
  198. ALL:114.104.0.0/255.252.0.0
  199. ALL:114.110.0.0/255.255.240.0
  200. ALL:114.110.128.0/255.255.128.0
  201. ALL:114.111.160.0/255.255.224.0
  202. ALL:114.112.0.0/255.252.0.0
  203. ALL:114.116.0.0/255.254.0.0
  204. ALL:114.132.0.0/255.255.0.0
  205. ALL:114.135.0.0/255.255.0.0
  206. ALL:114.138.0.0/225.254.0.0
  207. ALL:114.141.128.0/255.255.192.0
  208. ALL:114.196.0.0/255.254.0.0
  209. ALL:114.208.0.0/255.252.0.0
  210. ALL:114.216.0.0/255.248.0.0
  211. ALL:114.224.0.0/255.224.0.0
  212. ALL:115.44.0.0/255.252.0.0
  213. ALL:115.48.0.0/255.240.0.0
  214. ALL:115.84.0.0/255.255.192.0
  215. ALL:115.84.192.0/255.255.224.0
  216. ALL:115.85.192.0/255.255.192.0
  217. ALL:115.100.0.0/255.252.0.0
  218. ALL:115.104.0.0/255.252.0.0
  219. ALL:115.120.0.0/255.252.0.0
  220. ALL:115.124.16.0/255.255.240.0
  221. ALL:115.148.0.0/255.252.0.0
  222. ALL:115.152.0.0/255.248.0.0
  223. ALL:115.168.0.0/255.248.0.0
  224. ALL:115.180.0.0/255.252.0.0
  225. ALL:115.192.0.0/255.192.0.0
  226. ALL:116.1.0.0/255.255.0.0
  227. ALL:116.2.0.0/255.254.0.0
  228. ALL:116.4.0.0/255.252.0.0
  229. ALL:116.8.0.0/255.252.0.0
  230. ALL:116.13.0.0/255.255.0.0
  231. ALL:116.16.0.0/255.240.0.0
  232. ALL:116.52.0.0/255.252.0.0
  233. ALL:116.56.0.0/255.254.0.0
  234. ALL:116.58.128.0/255.255.240.0
  235. ALL:116.58.208.0/255.255.240.0
  236. ALL:116.60.0.0/255.252.0.0
  237. ALL:116.66.0.0/255.255.128.0
  238. ALL:116.69.0.0/255.255.0.0
  239. ALL:116.70.0.0/255.255.128.0
  240. ALL:116.76.0.0/255.252.0.0
  241. ALL:116.89.144.0/255.255.240.0
  242. ALL:116.90.80.0/255.255.240.0
  243. ALL:116.90.184.0/255.255.248.0
  244. ALL:116.95.0.0/255.255.0.0
  245. ALL:116.112.0.0/255.252.0.0
  246. ALL:116.116.0.0/255.254.0.0
  247. ALL:116.128.0.0/255.192.0.0
  248. ALL:116.192.0.0/255.255.0.0
  249. ALL:116.193.16.0/255.255.240.0
  250. ALL:116.193.32.0/255.255.224.0
  251. ALL:116.194.0.0/255.254.0.0
  252. ALL:116.196.0.0/255.255.0.0
  253. ALL:116.198.0.0/255.255.0.0
  254. ALL:116.199.0.0/255.255.128.0
  255. ALL:116.199.128.0/255.255.224.0
  256. ALL:116.204.0.0/255.254.0.0
  257. ALL:116.207.0.0/255.255.0.0
  258. ALL:116.208.0.0/255.252.0.0
  259. ALL:116.212.160.0/255.255.240.0
  260. ALL:116.213.64.0/255.255.192.0
  261. ALL:116.213.128.0/255.255.128.0
  262. ALL:116.214.32.0/255.255.224.0
  263. ALL:116.214.64.0/255.255.240.0
  264. ALL:116.214.128.0/255.255.128.0
  265. ALL:116.215.0.0/255.255.0.0
  266. ALL:116.216.0.0/255.252.0.0
  267. ALL:116.224.0.0/255.240.0.0
  268. ALL:116.242.0.0/255.254.0.0
  269. ALL:116.244.0.0/255.252.0.0
  270. ALL:116.248.0.0/255.254.0.0
  271. ALL:116.252.0.0/255.254.0.0
  272. ALL:116.254.128.0/255.255.128.0
  273. ALL:116.255.128.0/255.255.128.0
  274. ALL:117.8.0.0/255.248.0.0
  275. ALL:117.21.0.0/255.255.0.0
  276. ALL:117.22.0.0/255.254.0.0
  277. ALL:117.24.0.0/255.248.0.0
  278. ALL:117.32.0.0/255.248.0.0
  279. ALL:117.40.0.0/255.252.0.0
  280. ALL:117.44.0.0/255.254.0.0
  281. ALL:117.48.0.0/255.252.0.0
  282. ALL:117.53.176.0/255.255.240.0
  283. ALL:117.57.0.0/255.254.0.0
  284. ALL:117.59.0.0/255.255.0.0
  285. ALL:117.60.0.0/255.252.0.0
  286. ALL:117.64.0.0/255.248.0.0
  287. ALL:117.72.0.0/255.254.0.0
  288. ALL:117.74.64.0/255.255.240.0
  289. ALL:117.74.128.0/255.255.128.0
  290. ALL:117.75.0.0/255.255.0.0
  291. ALL:117.76.0.0/255.252.0.0
  292. ALL:117.80.0.0/255.240.0.0
  293. ALL:117.100.0.0/255.254.0.0
  294. ALL:117.103.16.0/255.255.240.0
  295. ALL:117.103.128.0/255.255.240.0
  296. ALL:117.106.0.0/255.254.0.0
  297. ALL:117.112.0.0/255.248.0.0
  298. ALL:117.120.64.0/255.255.192.0
  299. ALL:117.120.128.0/255.255.192.0
  300. ALL:117.120.192.0/255.255.248.0
  301. ALL:117.122.128.0/255.255.128.0
  302. ALL:117.124.0.0/255.252.0.0
  303. ALL:117.128.0.0/255.192.0.0
  304. ALL:118.24.0.0/255.248.0.0
  305. ALL:118.64.0.0/255.254.0.0
  306. ALL:118.66.0.0/255.255.0.0
  307. ALL:118.67.112.0/255.255.240.0
  308. ALL:118.72.0.0/255.248.0.0
  309. ALL:118.80.0.0/255.254.0.0
  310. ALL:118.84.0.0/255.254.0.0
  311. ALL:118.88.32.0/255.254.224.0
  312. ALL:118.88.64.0/255.255.192.0
  313. ALL:118.88.128.0/255.255.128.0
  314. ALL:118.89.0.0/255.255.0.0
  315. ALL:118.91.240.0/255.255.240.0
  316. ALL:118.102.16.0/255.255.240.0
  317. ALL:118.112.0.0/255.248.0.0
  318. ALL:118.120.0.0/255.252.0.0
  319. ALL:118.124.0.0/255.254.0.0
  320. ALL:118.126.0.0/255.255.0.0
  321. ALL:118.132.0.0/255.252.0.0
  322. ALL:118.144.0.0/255.252.0.0
  323. ALL:118.178.0.0/255.255.0.0
  324. ALL:118.180.0.0/255.252.0.0
  325. ALL:118.184.0.0/255.248.0.0
  326. ALL:118.192.0.0/255.240.0.0
  327. ALL:118.212.0.0/255.254.0.0
  328. ALL:118.224.0.0/255.252.0.0
  329. ALL:118.228.0.0/255.254.0.0
  330. ALL:118.230.0.0/255.255.0.0
  331. ALL:118.239.0.0/255.255.0.0
  332. ALL:118.242.0.0/255.255.0.0
  333. ALL:118.244.0.0/255.252.0.0
  334. ALL:118.248.0.0/255.248.0.0
  335. ALL:119.0.0.0/255.254.0.0
  336. ALL:119.2.0.0/255.255.224.0
  337. ALL:119.2.128.0/255.255.128.0
  338. ALL:119.3.0.0/255.255.0.0
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  709. ALL:202.124.24.0/255.255.248.0
  710. ALL:202.125.176.0/255.255.240.0
  711. ALL:202.127.0.0/255.255.248.0
  712. ALL:202.127.12.0/255.255.252.0
  713. ALL:202.127.16.0/255.255.240.0
  714. ALL:202.127.40.0/255.255.248.0
  715. ALL:202.127.48.0/255.255.240.0
  716. ALL:202.127.112.0/255.255.240.0
  717. ALL:202.127.128.0/255.255.128.0
  718. ALL:202.130.0.0/255.255.224.0
  719. ALL:202.130.224.0/255.255.224.0
  720. ALL:202.131.16.0/255.255.248.0
  721. ALL:202.131.48.0/255.255.240.0
  722. ALL:202.131.208.0/255.255.240.0
  723. ALL:202.136.48.0/255.255.240.0
  724. ALL:202.136.208.0/255.255.240.0
  725. ALL:202.136.224.0/255.255.240.0
  726. ALL:202.141.160.0/255.255.224.0
  727. ALL:202.142.16.0/255.255.240.0
  728. ALL:202.143.16.0/255.255.240.0
  729. ALL:202.148.96.0/255.255.224.0
  730. ALL:202.149.160.0/255.255.240.0
  731. ALL:202.149.224.0/255.255.224.0
  732. ALL:202.150.16.0/255.255.240.0
  733. ALL:202.152.176.0/255.255.240.0
  734. ALL:202.153.48.0/255.255.240.0
  735. ALL:202.158.160.0/255.255.224.0
  736. ALL:202.160.176.0/255.255.240.0
  737. ALL:202.164.0.0/255.255.240.0
  738. ALL:202.164.25.0/255.255.255.0
  739. ALL:202.165.96.0/255.255.248.0
  740. ALL:202.165.176.0/255.255.240.0
  741. ALL:202.165.208.0/255.255.240.0
  742. ALL:202.168.160.0/255.255.224.0
  743. ALL:202.170.128.0/255.255.224.0
  744. ALL:202.170.216.0/255.255.248.0
  745. ALL:202.173.8.0/255.255.248.0
  746. ALL:202.173.224.0/255.255.224.0
  747. ALL:202.179.240.0/255.255.240.0
  748. ALL:202.180.128.0/255.255.224.0
  749. ALL:202.181.112.0/255.255.240.0
  750. ALL:202.189.80.0/255.255.240.0
  751. ALL:202.192.0.0/255.240.0.0
  752. ALL:203.18.50.0/255.255.255.0
  753. ALL:203.79.0.0/255.255.240.0
  754. ALL:203.80.144.0/255.255.240.0
  755. ALL:203.81.16.0/255.255.240.0
  756. ALL:203.83.56.0/255.255.248.0
  757. ALL:203.86.0.0/255.255.192.0
  758. ALL:203.86.64.0/255.255.224.0
  759. ALL:203.88.0.0/255.255.252.0
  760. ALL:203.88.32.0/255.255.224.0
  761. ALL:203.88.192.0/255.255.224.0
  762. ALL:203.89.0.0/255.255.252.0
  763. ALL:203.90.0.0/255.255.252.0
  764. ALL:203.90.128.0/255.255.192.0
  765. ALL:203.90.192.0/255.255.224.0
  766. ALL:203.91.32.0/255.255.224.0
  767. ALL:203.91.96.0/255.255.240.0
  768. ALL:203.91.120.0/255.255.248.0
  769. ALL:203.92.0.0/255.255.252.0
  770. ALL:203.92.160.0/255.255.224.0
  771. ALL:203.93.0.0/255.255.0.0
  772. ALL:203.94.0.0/255.255.224.0
  773. ALL:203.95.0.0/255.255.248.0
  774. ALL:203.95.96.0/255.255.224.0
  775. ALL:203.99.16.0/255.255.240.0
  776. ALL:203.99.80.0/255.255.240.0
  777. ALL:203.100.32.0/255.255.240.0
  778. ALL:203.100.80.0/255.255.240.0
  779. ALL:203.100.96.0/255.255.224.0
  780. ALL:203.100.192.0/255.255.240.0
  781. ALL:203.110.160.0/255.255.224.0
  782. ALL:203.114.244.0/255.255.252.0
  783. ALL:203.118.192.0/255.255.224.0
  784. ALL:203.118.248.0/255.255.252.0
  785. ALL:203.119.24.0/255.255.248.0
  786. ALL:203.119.32.0/255.255.252.0
  787. ALL:203.119.80.0/255.255.252.0
  788. ALL:203.128.32.0/255.255.224.0
  789. ALL:203.128.96.0/255.255.224.0
  790. ALL:203.128.128.0/255.255.224.0
  791. ALL:203.130.32.0/255.255.224.0
  792. ALL:203.132.32.0/255.255.224.0
  793. ALL:203.134.240.0/255.255.248.0
  794. ALL:203.135.96.0/255.255.224.0
  795. ALL:203.135.160.0/255.255.240.0
  796. ALL:203.142.219.0/255.255.255.0
  797. ALL:203.148.0.0/255.255.192.0
  798. ALL:203.152.64.0/255.255.224.0
  799. ALL:203.156.192.0/255.255.192.0
  800. ALL:203.158.16.0/255.255.248.0
  801. ALL:203.161.180.0/255.255.255.0
  802. ALL:203.161.192.0/255.255.224.0
  803. ALL:203.166.160.0/255.255.224.0
  804. ALL:203.171.224.0/255.255.240.0
  805. ALL:203.174.7.0/255.255.255.0
  806. ALL:203.174.96.0/255.255.224.0
  807. ALL:203.175.128.0/255.255.224.0
  808. ALL:203.175.192.0/255.255.192.0
  809. ALL:203.176.168.0/255.255.248.0
  810. ALL:203.184.80.0/255.255.240.0
  811. ALL:203.187.160.0/255.255.224.0
  812. ALL:203.190.96.0/255.255.240.0
  813. ALL:203.191.16.0/255.255.240.0
  814. ALL:203.191.64.0/255.255.192.0
  815. ALL:203.191.144.0/255.255.240.0
  816. ALL:203.192.0.0/255.255.224.0
  817. ALL:203.196.0.0/255.255.252.0
  818. ALL:203.207.64.0/255.255.192.0
  819. ALL:203.207.128.0/255.255.128.0
  820. ALL:203.208.0.0/255.255.240.0
  821. ALL:203.208.16.0/255.255.252.0
  822. ALL:203.208.32.0/255.255.224.0
  823. ALL:203.209.224.0/255.255.224.0
  824. ALL:203.212.0.0/255.255.240.0
  825. ALL:203.212.80.0/255.255.240.0
  826. ALL:203.222.192.0/255.255.240.0
  827. ALL:203.223.0.0/255.255.240.0
  828. ALL:210.2.0.0/255.255.224.0
  829. ALL:210.5.0.0/255.255.224.0
  830. ALL:210.5.32.0/255.255.240.0
  831. ALL:210.5.144.0/255.255.240.0
  832. ALL:210.12.0.0/255.254.0.0
  833. ALL:210.14.64.0/255.255.224.0
  834. ALL:210.14.112.0/255.255.240.0
  835. ALL:210.14.128.0/255.255.192.0
  836. ALL:210.16.128.0/255.255.192.0
  837. ALL:210.21.0.0/255.255.0.0
  838. ALL:210.22.0.0/255.255.0.0
  839. ALL:210.23.32.0/255.255.224.0
  840. ALL:210.25.0.0/255.255.0.0
  841. ALL:210.26.0.0/255.254.0.0
  842. ALL:210.28.0.0/255.252.0.0
  843. ALL:210.32.0.0/255.240.0.0
  844. ALL:210.51.0.0/255.255.0.0
  845. ALL:210.52.0.0/255.254.0.0
  846. ALL:210.56.192.0/255.255.224.0
  847. ALL:210.72.0.0/255.252.0.0
  848. ALL:210.76.0.0/255.254.0.0
  849. ALL:210.78.0.0/255.255.0.0
  850. ALL:210.79.64.0/255.255.192.0
  851. ALL:210.79.224.0/255.255.224.0
  852. ALL:210.82.0.0/255.254.0.0
  853. ALL:210.87.128.0/255.255.192.0
  854. ALL:210.185.192.0/255.255.192.0
  855. ALL:210.192.96.0/255.255.224.0
  856. ALL:211.64.0.0/255.255.192.0
  857. ALL:210.64.64.0/255.255.248.0
  858. ALL:211.80.0.0/255.240.0.0
  859. ALL:210.96.0.0/255.248.0.0
  860. ALL:211.136.0.0/255.248.0.0
  861. ALL:210.144.0.0/255.240.0.0
  862. ALL:210.160.0.0/255.248.0.0
  863. ALL:218.0.0.0/255.224.0.0
  864. ALL:218.56.0.0/255.248.0.0
  865. ALL:218.64.0.0/255.224.0.0
  866. ALL:218.96.0.0/255.252.0.0
  867. ALL:218.104.0.0/255.252.0.0
  868. ALL:218.108.0.0/255.254.0.0
  869. ALL:218.185.192.0/255.255.224.0
  870. ALL:218.192.0.0/255.240.0.0
  871. ALL:218.240.0.0/255.248.0.0
  872. ALL:218.249.0.0/255.255.0.0
  873. ALL:219.72.0.0/255.255.0.0
  874. ALL:219.82.0.0/255.255.0.0
  875. ALL:219.128.0.0/255.224.0.0
  876. ALL:219.216.0.0/255.248.0.0
  877. ALL:219.224.0.0/255.240.0.0
  878. ALL:219.242.0.0/255.248.0.0
  879. ALL:220.101.192.0/255.255.192.0
  880. ALL:220.112.0.0/255.252.0.0
  881. ALL:220.152.128.0/255.255.128.0
  882. ALL:220.154.0.0/255.254.0.0
  883. ALL:220.160.0.0/255.224.0.0
  884. ALL:220.192.0.0/255.240.0.0
  885. ALL:220.231.0.0/255.255.192.0
  886. ALL:220.231.128.0/255.255.128.0
  887. ALL:220.232.64.0/255.255.192.0
  888. ALL:220.234.0.0/255.255.0.0
  889. ALL:220.242.0.0/255.254.0.0
  890. ALL:220.248.0.0/255.252.0.0
  891. ALL:221.0.0.0/255.248.0.0
  892. ALL:221.8.0.0/255.252.0.0
  893. ALL:221.12.0.0/255.255.128.0
  894. ALL:221.12.128.0/255.255.192.0
  895. ALL:221.13.0.0/255.255.0.0
  896. ALL:221.14.0.0/255.254.0.0
  897. ALL:221.122.0.0/255.254.0.0
  898. ALL:221.129.0.0/255.255.0.0
  899. ALL:221.130.0.0/255.254.0.0
  900. ALL:221.133.224.0/255.255.224.0
  901. ALL:221.136.0.0/255.254.0.0
  902. ALL:221.172.0.0/255.252.0.0
  903. ALL:221.176.0.0/255.248.0.0
  904. ALL:221.192.0.0/255.252.0.0
  905. ALL:221.196.0.0/255.254.0.0
  906. ALL:221.198.0.0/255.255.0.0
  907. ALL:221.199.0.0/255.255.128.0
  908. ALL:221.199.128.0/255.255.192.0
  909. ALL:221.199.192.0/255.255.240.0
  910. ALL:221.199.224.0/255.255.224.0
  911. ALL:221.200.0.0/255.248.0.0
  912. ALL:221.208.0.0/255.240.0.0
  913. ALL:221.224.0.0/255.240.0.0
  914. ALL:222.16.0.0/255.240.0.0
  915. ALL:222.32.0.0/255.224.0.0
  916. ALL:222.64.0.0/255.224.0.0
  917. ALL:222.125.0.0/255.255.0.0
  918. ALL:222.126.128.0/255.255.128.0
  919. ALL:222.128.0.0/255.240.0.0
  920. ALL:222.160.0.0/255.252.0.0
  921. ALL:222.168.0.0/255.248.0.0
  922. ALL:222.176.0.0/255.240.0.0
  923. ALL:222.192.0.0/255.224.0.0
  924. ALL:222.240.0.0/255.248.0.0
  925. ALL:222.248.0.0/255.254.0.0        
复制代码
hosts.deny设置:(ALL:ALL表示禁止用户访问linux的所有服务
  1. #
  2. # hosts.deny        This file contains access rules which are used to
  3. #                deny connections to network services that either use
  4. #                the tcp_wrappers library or that have been
  5. #                started through a tcp_wrappers-enabled xinetd.
  6. #
  7. #                The rules in this file can also be set up in
  8. #                /etc/hosts.allow with a 'deny' option instead.
  9. #
  10. #                See 'man 5 hosts_options' and 'man 5 hosts_access'
  11. #                for information on rule syntax.
  12. #                See 'man tcpd' for information on tcp_wrappers
  13. #        
复制代码


注意修改完后:

#service xinetd restart

才能让刚才的更改生效。

faf2b2119313b07e24e0174a0ad7912397dd8c17.jpg



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感谢,科技部童鞋的原创文章,给你加精了哦!

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