curl指定網卡

參考: https://itbilu.com/linux/man/4yZ9qH_7X.html

curl --interface lo  www.ata.com

tcpdump如下:

14:06:20.347282 IP localhost.37539 > ec2-13-56-33-8.us-west-1.compute.amazonaws.com.http: Flags [S], seq 3725506417, win 43690, options [mss 65495,sackOK,TS val 896780442 ecr 0,nop,wscale 7], length 0

14:06:21.348848 IP localhost.37539 > ec2-13-56-33-8.us-west-1.compute.amazonaws.com.http: Flags [S], seq 3725506417, win 43690, options [mss 65495,sackOK,TS val 896781444 ecr 0,nop,wscale 7], length 0

14:06:23.352848 IP localhost.37539 > ec2-13-56-33-8.us-west-1.compute.amazonaws.com.http: Flags [S], seq 3725506417, win 43690, options [mss 65495,sackOK,TS val 896783448 ecr 0,nop,wscale 7], length 0

14:06:27.360879 IP localhost.37539 > ec2-13-56-33-8.us-west-1.compute.amazonaws.com.http: Flags [S], seq 3725506417, win 43690, options [mss 65495,sackOK,TS val 896787456 ecr 0,nop,wscale 7], length 0

14:06:35.376881 IP localhost.37539 > ec2-13-56-33-8.us-west-1.compute.amazonaws.com.http: Flags [S], seq 3725506417, win 43690, options [mss 65495,sackOK,TS val 896795472 ecr 0,nop,wscale 7], length 0