Question

我们公司光纤网络，现在下午经常断网，麻烦大家帮我看看路由日志。是路由器有问题还是别的什么问题。

[DHCP IP: 10.4.2.10] to MAC address 64:31:50:3f:8e:76, Wednesday, March 16,2011 14:47:14
[admin login] from source 10.4.2.5, Wednesday, March 16,2011 14:45:55
[DoS Attack: ICMP destination unreachable] from source 10.4.2.32, type 3 Wednesday, March 16,2011 14:39:19
[DHCP IP: 10.4.2.10] to MAC address 64:31:50:3f:8e:76, Wednesday, March 16,2011 14:37:13
[DoS Attack: ICMP destination unreachable] from source 10.4.2.23, type 3 Wednesday, March 16,2011 14:37:03
[DHCP IP: 10.4.2.11] to MAC address 00:26:55:3a:f1:49, Wednesday, March 16,2011 14:36:42
[DHCP IP: 10.4.2.33] to MAC address 00:1e:c2:d7:55:6f, Wednesday, March 16,2011 14:35:58
[DHCP IP: 10.4.2.10] to MAC address 64:31:50:3f:8e:76, Wednesday, March 16,2011 14:35:29
[UPnP set event: del nat rule] from source 10.4.2.27, Wednesday, March 16,2011 14:32:48
[UPnP set event: add nat rule] from source 10.4.2.27, Wednesday, March 16,2011 14:32:48
[DHCP IP: 10.4.2.10] to MAC address 64:31:50:3f:8e:76, Wednesday, March 16,2011 14:31:14
[DoS Attack: ICMP destination unreachable] from source 10.4.2.75, type 3 Wednesday, March 16,2011 14:29:47
[DoS Attack: ICMP destination unreachable] from source 10.4.2.12, type 3 Wednesday, March 16,2011 14:29:39
[DHCP IP: 10.4.2.9] to MAC address 64:31:50:3b:54:10, Wednesday, March 16,2011 14:26:08
[DoS Attack: ICMP destination unreachable] from source 10.4.2.23, type 3 Wednesday, March 16,2011 14:21:16
[DoS Attack: ACK Scan] from source 119.133.159.233, port 9956, Wednesday, March 16,2011 14:19:55
[UPnP set event: del nat rule] from source 10.4.2.27, Wednesday, March 16,2011 14:19:05
[UPnP set event: add nat rule] from source 10.4.2.27, Wednesday, March 16,2011 14:19:04
[Time synchronized with NTP server] Wednesday, March 16,2011 14:17:36
[Internet connected] IP address: 113.91.207.85, Wednesday, March 16,2011 14:17:38
[Internet disconnected] Wednesday, March 16,2011 14:17:28
[admin login] from source 10.4.2.5, Wednesday, March 16,2011 14:17:05
[DoS Attack: ACK Scan] from source 65.55.187.221, port 443, Wednesday, March 16,2011 14:11:12
[DoS Attack: ACK Scan] from source 122.226.240.96, port 80, Wednesday, March 16,2011 14:06:17
[DoS Attack: ACK Scan] from source 65.55.187.206, port 443, Wednesday, March 16,2011 14:06:13
[DoS Attack: ACK Scan] from source 122.226.240.96, port 80, Wednesday, March 16,2011 14:05:53
[DoS Attack: ICMP destination unreachable] from source 10.4.2.23, type 3 Wednesday, March 16,2011 14:05:42
[DoS Attack: ACK Scan] from source 65.55.187.201, port 443, Wednesday, March 16,2011 14:05:40
[DoS Attack: ICMP destination unreachable] from source 10.4.2.12, type 3 Wednesday, March 16,2011 14:03:52
[DoS Attack: ICMP destination unreachable] from source 10.4.2.23, type 3 Wednesday, March 16,2011 14:02:43
[DoS Attack: ACK Scan] from source 65.55.187.205, port 443, Wednesday, March 16,2011 14:02:42
断网络时我PING外网和路由都是不通的，但是PING路由20次可能通一次，延迟很大。这个情况是路由出问题了吗？我们都是自动获取IP地址的。

Answer 1

路由问题

Answer 2

你们可以换个路由器看看吧

追问

日志上是什么意思？

追答

我发给你看看 你直接hi我

Answer 3

[DoS Attack: ACK Scan] from source 65.55.187.205, port 443,
有DOS攻击，来自65.55.187.205

Answer 4

翻译：
[做S攻击：ACK扫描]来源65.55.187.206，端口443，星期三，2011年3月16日14：06：13[做S攻击：ACK扫描]来源122.226.240.96，端口80，星期三，2011年3月16日14：05：53[做S攻击：ICMP目标不可达]来自来源10.4.2.23，类型3星期三，2011年3月16日14：05：42[做S攻击：ACK扫描]来自来源65.55.187.201，端口443，星期三，2011年3月16日14：05：40[做S攻击k：ICMP目的地无法到达]从来源10.4.2.12，类型3星期三，2011年3月16日14：03：52[做SAttac k：ICMP目的地无法到达]从来源10.4.2.23，类型3星期三，2011年3月16日14：02来源：65.55.187.205，端口443，星期三，2011年3月16日14：02：42

Answer 5

DOS攻击!把路由的防火墙开了就行!!另外给各电脑检查一下,杀一下毒!!