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MacOS X：日志中充满了来自 LAN 路由器的“隐身模式连接尝试”

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MacOS X：日志中充满了来自 LAN 路由器的“隐身模式连接尝试”

MacOS X 的日志文件daily.log充满了如下行：

Sun Jan 29 09:51:47 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:51855 from 192.168.2.1:53<br/>
Sun Jan 29 10:00:22 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:49972 from 192.168.2.1:53<br/>
Sun Jan 29 10:01:46 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:52317 from 192.168.2.1:53<br/>
Sun Jan 29 10:11:49 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:65055 from 192.168.2.1:53<br/>
Sun Jan 29 10:13:14 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:65439 from 192.168.2.1:53<br/>
Sun Jan 29 10:22:24 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:61231 from 192.168.2.1:53<br/>
Sun Jan 29 10:22:31 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:65419 from 192.168.2.1:53<br/>
Sun Jan 29 10:41:04 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:59362 from 192.168.2.1:53<br/>
Sun Jan 29 10:41:38 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:49793 from 192.168.2.1:53<br/>
Sun Jan 29 10:41:48 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:64922 from 192.168.2.1:53<br/>
Sun Jan 29 10:42:19 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:62376 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:09 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:53441 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:26 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:64847 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:31 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:59459 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:34 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:50163 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:34 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:51454 from 192.168.2.1:53<br/>
Sun Jan 29 10:47:34 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:56510 from 192.168.2.1:53<br/>
Sun Jan 29 10:52:38 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:59546 from 192.168.2.1:53<br/>
Sun Jan 29 10:52:38 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:62730 from 192.168.2.1:53<br/>
Sun Jan 29 10:52:46 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:58754 from 192.168.2.1:53<br/>
Sun Jan 29 10:52:48 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:64268 from 192.168.2.1:53<br/>
Sun Jan 29 11:24:08 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:59974 from 192.168.2.1:53<br/>
Sun Jan 29 11:41:20 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:65478 from 192.168.2.1:53<br/>
Sun Jan 29 11:41:24 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:52758 from 192.168.2.1:53<br/>
Sun Jan 29 11:41:25 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:64679 from 192.168.2.1:53<br/>
Sun Jan 29 11:41:59 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:63220 from 192.168.2.1:53<br/>
Sun Jan 29 12:11:59 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:58767 from 192.168.2.1:53<br/>
Sun Jan 29 13:07:56 nameofmymac Firewall[77] <Info>: Stealth Mode connection attempt to UDP 192.168.2.49:55906 from 192.168.2.1:53<br/>

这是值得担心的事情吗？

  • 在 MacOS X 10.6.8 上。

  • 192.168.2.1是我的路由器的 LAN IP，192.168.2.49是我的 Mac 的 IP。

  • 它还会很快填满我的日志文件daily.log，而日志文件的大小已经达到 2.7 GB！（有没有办法禁止在日志文件中连续生成新行？）

  • 我读了2703 端口出现异常但这似乎是另一回事。

答案1

你不必担心。

隐身模式使您的机器忽略（而不是拒绝）从外部发起的连接（例如端口扫描）；就好像特定 IP 地址上根本没有任何计算机一样。

一般来说，隐身模式条目可能是一个问题，但这些条目来自路由器的 DNS 端口 (192.168.2.1:53)。最有可能的情况是，您的计算机向路由器发送 DNS 请求，但响应速度比预期的要慢，防火墙认为这是从外部发起的不同连接。您的计算机和路由器之间的连接不太可能很慢，最有可能的是您正在使用的外部 DNS 服务器（您的 ISP 或 OpenDNS 或公共 DNS 服务之一）响应较慢。

我还没有找到不关闭隐身模式就能停止 DNS 服务器日志条目的方法。

答案2

不，这不是一回事。它是对 DNS 服务器的 DNS 查询的回复，如另一个答案中所述。

Terry Lambert 对 MacOS 防火墙有一些不太好听的评价，读起来很有趣。误导新手管理员认为有 UDP/IP“连接”之类的东西显然不是它唯一的愚蠢缺陷。

进一步阅读

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