Parental control using OpenDNS Family Shield

DNS level security system is one of the easiest ways to implement. No need to update the signatures locally. Because all the updates happening in server side itself. And the main advantage I noticed is there is no softwares ( client application ) required. Open DNS is secured DNS service, In addition they launched a [...]

[ More ] November 29th, 2010 | Your thoughts are welcome | Posted in Security |

Securing SSH in Linux Servers

SSH security has to be taken care when Linux server is up and running. Most administrators tend to install an SSH server and leave it at its default settings, typically to allow password authentication and root logins . There are few parameters in /etc/ssh/sshd_config which can be changed to securing SSH. Open /etc/ssh/sshd_config and add [...]

[ More ] November 26th, 2010 | Your thoughts are welcome | Posted in Security |

Orkut virus added useless communities to profiles

Dear Readers, If you are an orkut user, Please stay away from orkut until it fix the virus problem. An attack happened on Orkuts new version. Many people got corrupted profile and they automatically adding some groups to their profile. if friend click on the link it will affect in their profiles too. It is [...]

[ More ] September 26th, 2010 | 1 Comment | Posted in Security |

Mail Administration – controlling spams

An Electronic Mail that you all know is a better and fastest mean of communication.To implement intuitive , efficient and useful Emails we need to control spams / virus mails. For a mail administrator its too much tough to control spamming mails. There are many organizations like SpamHaus which help in controlling spams. By watching the [...]

[ More ] July 30th, 2010 | Your thoughts are welcome | Posted in Security |

Spreading W32/Injector.fam!tr virus via Gtalk

Sometimes back I got a chat message from one of my friend, And the message was like this “When you get on, can you take a look at this picture and tell me what you think? ” and there was a link to a file named MVS-Photo04.JPG.zip. It was containing a virus called backdoor.Win32.Agent.riu its [...]

[ More ] June 29th, 2010 | 2 Comments | Posted in Security |

SSH windows server with copssh – OpenSSH

Copssh is an ssh server for windows operating systems, this application is based on Openssh and cygwin. OpenSSH is a free solution for SSH server. And Cygwin is a Linux-like environment for Windows, cygwin1.dll is giving the functionality of Linux. By implementing copssh we can access our windows servers in a secure way.

[ More ] May 7th, 2010 | 2 Comments | Posted in Security, Servers |

Know the service running in a port – Linux

In our previous article we explained the steps for windows. Here you can find the steps to identify the service running in a port on linux . Here we used commands “fuser” and “PS”. I am using apache2 web server  on port 80. Replace your port number with 80 (my example with port 80 ) [...]

[ More ] April 21st, 2010 | 2 Comments | Posted in Security, Servers |

www.tcs.com hacked – DNS attack

The Tata Consultancy Services (TCS) website www.tcs.com is hacked and giving a “Site for sale” notice page. But some users are Still getting the Original page : Because It was a DNS Attack, This same attack once happened in twitter.com. Now Some DNS Servers  serving IP address  :   205.178.152.154  and others giving 216.15.200.140.  hackers [...]

[ More ] February 7th, 2010 | Your thoughts are welcome | Posted in Security |

KB979352 Microsoft Fix – IE Remote code execution vulnerability

This is a Remote code execution vulnerability of internet explorer. Attackers can install Trojan virus without their knowledge. Many attack incidents are reported in Chinese sites.

[ More ] January 19th, 2010 | Your thoughts are welcome | Posted in Internet, Security |

Matriux – Open Source Security Distribution

We are extremely happy to announce the much awaited Matriux Open Source Security Distribution released at Club Hack 2009. Now it is available for download from www.matriux.com The Matriux is a phenomenon that was waiting to happen. It is a fully featured security distribution consisting of a bunch of powerful, open source and free tools [...]

[ More ] January 8th, 2010 | 2 Comments | Posted in Security |