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Securing SSH Using Denyhosts

Posted 08-26-2007 at 11:52 AM by sridhar11
Updated 06-17-2016 at 10:05 AM by sridhar11

SSH is a great way to remotely administer a server. However, it still has a number of issues when you open it up to the world. The server and client communications are secure but that doesn’t mean the hosts involved are. Opening an SSH service to the world allows for brute force attacks and means that the carbon interface is still the weakest link.

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Howto restrict su command to superuser only in Linux

Posted 08-26-2007 at 11:51 AM by sridhar11
Updated 06-17-2016 at 10:05 AM by sridhar11

su is run a shell with substitute user and group IDs. su is used to become another user during a login session. Invoked without a username, su defaults to becoming the super user. The optional argument - may be used to provide an environment similar to what the user would expect had the user logged in directly.

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How to install Tor with Vidalia GUI on Ubuntu

Posted 08-19-2007 at 02:31 AM by sridhar11
Updated 06-17-2016 at 10:06 AM by sridhar11

Do you want completely anonymous internet access? For Free? Tor is the open source leader to anonymous connections on the internet, you can anonymize your internet presence from AIM/ICQ/MSN/ Jabber/IRC/WWW/FTP and you can even issue a torify command at the command prompt to anonymize your wget/ssh/lynx/ftp/perl or whatever. Basically tor is for the people by the people, it is only alive because we make it so, we can choose to use it freely or use it freely and help it out by running a server on...
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Rename multiple files to another extension in Linux

Posted 08-19-2007 at 02:30 AM by sridhar11
Updated 06-17-2016 at 10:08 AM by sridhar11

Let us say that you want to rename all of your “.php5? files to “.php” files. You can use for loop.

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Views 488 Comments 0 sridhar11 is offline
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How to Install Tor to Surf Anonymously in Ubuntu Feisty with Firefox

Posted 08-13-2007 at 04:26 AM by sridhar11
Updated 06-17-2016 at 10:09 AM by sridhar11

Tor is a toolset for a wide range of organizations and people that want to improve their safety and security on the Internet. Using Tor can help you anonymize web browsing and publishing, instant messaging, IRC, SSH, and other applications that use the TCP protocol. Tor also provides a platform on which software developers can build new applications with built-in anonymity, safety, and privacy features.

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Views 569 Comments 0 sridhar11 is offline

  



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