Make FTP Active Mode Passive

First thing I should say is about the FTP active/passive mode, or say PORT/PASV mode. We can read the differences from wikipedia or Active FTP vs. Passive FTP, a Definitive Explanation. The two mode indicates who initialise the data connection and the active/passive is used to describe server’s action. Active mode: server create a connection … Continue reading “Make FTP Active Mode Passive”

Notes: PPTP/L2TP Server on Ubuntu

From: https://help.ubuntu.com/community/PPTPServer and https://help.ubuntu.com/community/L2TPServer This is an integrated & simplified intro about installing pptp/l2tp server on ubuntu 12.04. Install pptpd, xl2tpd, openswan are needed. ppp should be installed by default, you can apt-get install ppp just for sure. dnsmasq is needed to simplify dns issue. So, just type commands:

Environment Server ip is assigned … Continue reading “Notes: PPTP/L2TP Server on Ubuntu”