First, the original domain resource is a network node request 302

First, on the issue of the original resource is 302, although the site look good, but is frequently refreshed some js 302 (only refresh frequently occur when)

 linux server

1, Tcpdump (linux) to download, install, use instructions

Tcpdump is a Linux platform to run the command line tool for monitoring network traffic. He can intercept data packets received on the card, and can assist the network administrator for the contents of the corresponding analysis. 

2, installation

 

 

Download tar.gz package

http://www.tcpdump.org/release/tcpdump-4.9.3.tar.gz

 Three, linux download and install

 

# Wget http://www.tcpdump.org/release/tcpdump-4.9.3.tar.gz 
# tar -zxvf tcpdump-4.9.3.tar.gz // Right-click the package to decompress the downloaded copy click operation

# Cd tcpdump-4.9.3 // into the target file 
# ./configure // check build dependencies  

 

 

Open the capture operation https://help.aliyun.com/knowledge_detail/40564.html