Protect Freemind files with password.

Freemind is a Mind mapping tool which is free of cost. Most of my project and  plannings are managed by this tool. Try it if you have not started using mind mapping tools. It is easy to go through a presentations or meetings. Currently my file has lot of  personal details which are not sharable. [...]

[ More ] August 10th, 2011 | 1 Comment | Posted in Softwares |

Secure file transfer from Windows to Linux using RSA key

PSCP is a command line application which is a free implementation  of scp for win 32 platform  . This tool is used for securely copying between computer systems. It uses the SSH (secure shell) protocol, which makes it impossible for other people on the network to snoop on your password or on the data you [...]

[ More ] April 1st, 2011 | Your thoughts are welcome | Posted in Security |

Disabling runlevel system services on Linux Servers

When Linux server boots up a large amount of services keeps running in its background . Some services are essential to the operation of your server, while other services are considered non-essential and will cause no problems to your server by disabling them.  Some services takes a lot of time and may affect the working [...]

[ More ] December 1st, 2010 | Your thoughts are welcome | Posted in Security |

OpenSSH deny access for users groups and hosts

In an organization where when a server goes live an administrator would need to create a users with variable privileges . Some users will have special permissions with root credentials. We here are trying to block that privileged users from direct ssh log in. To Deny a User Open /etc/ssh/sshd_config file: # vi /etc/ssh/sshd_config Append [...]

[ More ] November 12th, 2010 | 1 Comment | Posted in Servers |

Find which application/service is running in a port – Windows

Most of the applications are using standard ports, some cases user or application will assign different ports for the application. For example Port 80 is the default port for IIS, if you are trying to start a different web applications it will say error message like “port 80 already in use” . Or you start [...]

[ More ] April 20th, 2010 | 12 Comments | Posted in Servers, Softwares |

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 |

List of free online Anti virus scanners

Here is a list of Online Anti-virus scanners from popular antivirus software vendors. And it is not a substitute for antivirus software’s. But sometimes virus corrupt the antivirus and even we cant install or reinstall a new antivirus. Also if your current antivirus is not detecting & cleaning the virus, in this situations you can [...]

[ More ] January 6th, 2010 | 4 Comments | Posted in Security, Softwares |

Enable database encryption on PuTTY Connection Manager

PuTTY Connection Manager is a free PuTTY Client Add-on. It can store sensitive information’s like IP address username and passwords of our Servers and Network switches. We can save even commands and scripts in the Connection manager database. Once a connection create and save in the database anyone can access that server without user id [...]

[ More ] December 31st, 2009 | Your thoughts are welcome | Posted in Networking, Security |