Entries by subhanzg

Conficker Revisited

Conficker infected machines tend to knock on Windows boxes exposed over the network. Be it Windows boxes on your internal LAN or your Internet facing boxes with wrong ports exposed over the Internet. Be sure to firewall your Internet facing boxes, Conficker infected machines keep trying common username and password combination in order to get […]

Using CentOS as Internal Mail Relay Server

This note provides steps in building a CentOS server to act as an internal mail relay gateway for Internet bound emails. All internet emails are relayed through the ISP account using ISP mail server as Smart host. These steps were tested on CentOS 5.3 using Networksolutions.com mail relay account. Networksolutions like many other paid services […]