第一次使用sniffit，没有用配置文件，在终端打开sniffit，记录自己的IP收包的情况：
# sniffit -t 192.168.1.2
不一会儿，当下目录就积累了一大堆文件，名字是来源IP及端口号与目标IP及端口号，其中约有一半是空文件，另一半有内容，不看不知道，原来外面的IP与我的机子的交流如此的频繁。
116.25.156.70.64182-192.168.1.2.2543
116.25.156.70.64228-192.168.1.2.2547
116.25.156.70.64494-192.168.1.2.2543
116.25.156.70.64504-192.168.1.2.2547
212.58.226.77.80-192.168.1.2.38307
212.58.226.77.80-192.168.1.2.40758
218.1.241.67.21891-192.168.1.2.2547
218.1.241.67.21952-192.168.1.2.2543
218.13.237.247.65013-192.168.1.2.2547
218.13.237.247.65115-192.168.1.2.2547
218.13.237.247.65193-192.168.1.2.2547
218.13.237.247.65349-192.168.1.2.2547
218.66.104.179.80-192.168.1.2.38676
218.66.104.179.80-192.168.1.2.38678
218.66.104.179.80-192.168.1.2.38681
219.232.241.142.80-192.168.1.2.60901
219.232.241.142.80-192.168.1.2.60903
219.232.241.142.80-192.168.1.2.60906
221.5.47.132.80-192.168.1.2.43299
221.5.47.132.80-192.168.1.2.43300
60.28.166.87.80-192.168.1.2.44746
60.28.166.87.80-192.168.1.2.44747
60.28.166.87.80-192.168.1.2.44749
60.28.166.87.80-192.168.1.2.44751
60.28.166.87.80-192.168.1.2.44752
60.28.166.87.80-192.168.1.2.44753
60.28.166.87.80-192.168.1.2.44754
60.28.166.87.80-192.168.1.2.44755
60.28.166.87.80-192.168.1.2.44756
60.28.166.87.80-192.168.1.2.44757
63.245.213.21.80-192.168.1.2.36107
63.245.213.21.80-192.168.1.2.36110
63.245.213.21.80-192.168.1.2.41676
63.245.213.21.80-192.168.1.2.41677
64.233.189.165.80-192.168.1.2.57934
72.14.253.91.80-192.168.1.2.55195