nc command is very powerful for small files, including network transmission is also good, the most important is the case of only one transmission does not require user and password to directly receive and send files
prerequisites:
1. Using the network can not be shielded
2. can be used nc command, use yum install nc installation
Step 2 secret file transfer achieved for Free
1. Accept the end vps1 open listening port nc -l 3333> mwget.tar.gz
2. designating data transmitting end vps nc vps1 3333 <mwget_0.1.0.orig.tar_2.bz2 to send files VPS1
NOTE: The transfer is completed automatically disconnected, the disadvantage is no transmission status display, transfer small files avoid the defect
PS: