1. 信息收集 路由信息
网络通信路径
1.1 tcptraceroute
# tcptraceroute www.baidu.com
Running:
traceroute -T -O info www.baidu.com
traceroute to www.baidu.com (14.215.177.38), 30 hops max, 60 byte packets
1 _gateway (192.168.1.1) 1.462 ms 1.422 ms 1.377 ms
8 * * *
9 * * *
10 * 14.215.177.38 (14.215.177.38) <syn,ack> 7.008 ms 6.582 ms
1.2 tctrace
# tctrace -i eth0 -d www.baidu.com
1(1) [192.168.1.1]
9(all) Timeout
10(1) [14.215.177.39] (reached; open)