当我检查我的日志查看器时,我注意到ufw阻止了很多我不熟悉的ips!当我检查我的日志查看器时,我的本地网络中只有三台计算机--我只运行了一台PC,另外两台已经关闭,我也安装了qBittorrent --但是即使它关闭了,这个奇怪的ips的阻塞仍在继续!所以我需要帮助来解决这个问题,你能帮帮我吗?
这是日志的样本,请注意SRC=.每一次ips都是如何变化的!
Feb 6 10:36:47 kernel: [ 4483.535580] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=173.194.35.96 DST=192.168.1.2 LEN=40 TOS=0x00 PREC=0x00 TTL=50 ID=63946 PROTO=TCP SPT=443 DPT=49390 WINDOW=0 RES=0x00 RST URGP=0
Feb 6 10:36:47 kernel: [ 4483.550561] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=173.194.35.96 DST=192.168.1.2 LEN=40 TOS=0x00 PREC=0x00 TTL=50 ID=63947 PROTO=TCP SPT=443 DPT=49390 WINDOW=0 RES=0x00 RST URGP=0
Feb 6 10:36:49 kernel: [ 4485.451947] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=173.194.70.84 DST=192.168.1.2 LEN=40 TOS=0x00 PREC=0x00 TTL=47 ID=26086 PROTO=TCP SPT=443 DPT=45573 WINDOW=0 RES=0x00 RST URGP=0
Feb 6 10:37:07 kernel: [ 4503.589763] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=86.90.23.194 DST=192.168.1.2 LEN=131 TOS=0x00 PREC=0x00 TTL=54 ID=46228 PROTO=UDP SPT=63799 DPT=6881 LEN=111
Feb 6 10:37:09 kernel: [ 4505.436512] [UFW BLOCK] IN=teredo OUT= MAC= SRC=2001:0000:9d38:90d7:30aa:09f8:a6de:fe07 DST=2001:0000:53aa:064c:3449:d78a:a642:b06c LEN=72 TC=0 HOPLIMIT=128 FLOWLBL=0 PROTO=TCP SPT=38331 DPT=6881 WINDOW=8192 RES=0x00 SYN URGP=0
Feb 6 10:37:28 kernel: [ 4525.061666] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=71.173.19.14 DST=192.168.1.2 LEN=134 TOS=0x00 PREC=0x00 TTL=116 ID=16433 PROTO=UDP SPT=37115 DPT=6881 LEN=114
Feb 6 10:37:34 kernel: [ 4530.489483] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=173.194.35.126 DST=192.168.1.2 LEN=40 TOS=0x00 PREC=0x00 TTL=50 ID=46264 PROTO=TCP SPT=443 DPT=48085 WINDOW=0 RES=0x00 RST URGP=0
Feb 6 10:37:46 kernel: [ 4542.565319] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=111.206.125.219 DST=192.168.1.2 LEN=120 TOS=0x00 PREC=0x00 TTL=39 ID=0 DF PROTO=UDP SPT=34207 DPT=6881 LEN=100
Feb 6 10:37:52 kernel: [ 4548.637274] [UFW BLOCK] IN=teredo OUT= MAC= SRC=2001:05c0:1400:000a:0000:0000:0000:0c39 DST=2001:0000:53aa:064c:3449:d78a:a642:b06c LEN=78 TC=0 HOPLIMIT=123 FLOWLBL=0 PROTO=UDP SPT=28768 DPT=6881 LEN=38
Feb 6 10:37:55 kernel: [ 4551.519196] [UFW BLOCK] IN=teredo OUT= MAC= SRC=2001:05c0:1400:000a:0000:0000:0000:0c39 DST=2001:0000:53aa:064c:3449:d78a:a642:b06c LEN=78 TC=0 HOPLIMIT=123 FLOWLBL=0 PROTO=UDP SPT=28768 DPT=6881 LEN=38
Feb 6 10:38:01 kernel: [ 4557.832730] [UFW BLOCK] IN=teredo OUT= MAC= SRC=2001:05c0:1400:000a:0000:0000:0000:0c39 DST=2001:0000:53aa:064c:3449:d78a:a642:b06c LEN=78 TC=0 HOPLIMIT=123 FLOWLBL=0 PROTO=UDP SPT=28768 DPT=6881 LEN=38
Feb 6 10:38:08 kernel: [ 4564.966546] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=92.46.77.51 DST=192.168.1.2 LEN=134 TOS=0x00 PREC=0x00 TTL=111 ID=14597 PROTO=UDP SPT=17851 DPT=6881 LEN=114
Feb 6 10:38:26 kernel: [ 4582.324206] [UFW BLOCK] IN=teredo OUT= MAC= SRC=2001:05c0:1400:000a:0000:0000:0000:0c39 DST=2001:0000:53aa:064c:3449:d78a:a642:b06c LEN=68 TC=0 HOPLIMIT=123 FLOWLBL=0 PROTO=TCP SPT=59992 DPT=6881 WINDOW=8192 RES=0x00 SYN URGP=0
Feb 6 10:38:28 kernel: [ 4584.203917] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=111.250.83.156 DST=192.168.1.2 LEN=134 TOS=0x00 PREC=0x00 TTL=48 ID=41676 PROTO=UDP SPT=56696 DPT=6881 LEN=114
Feb 6 10:38:46 kernel: [ 4602.737591] [UFW BLOCK] IN=eth0 OUT= MAC=00:23:ae:a8:a1:32:b0:48:7a:a3:3f:a5:08:00 SRC=81.155.77.146 DST=192.168.1.2 LEN=131 TOS=0x18 PREC=0x60 TTL=112 ID=12922 PROTO=UDP SPT=33574 DPT=6881 LEN=111 发布于 2014-02-06 10:17:51
显示它们来自端口443 (HTTPS)的数据包可能是来自先前连接的“剩余”数据包。防火墙应该允许通过与现有连接相关联的数据包,但如果由于某种原因,您的PC认为该连接在远程之前已关闭/超时(这似乎是一个Google服务器),您可能仍然会看到丢失的数据包。
编辑:而且端口6881包可能是从你的出租包留下的。当急流客户端恢复运行时,我相信他们试图重新建立与他们之前连接的对等方的联系,这将解释这些数据包。几乎可以肯定没什么好担心的。
发布于 2014-02-06 08:12:50
whois 173.194.35.96看起来像谷歌。但没有检查其他人。
https://askubuntu.com/questions/417123
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