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Online anonymity

Saturday, 14. November 2009, 00:15:50

, , , ...

Internet is world wide source of information. And each packet which goes through the net could be listened by somebody else (simplication :wink: ). How to be more secured?

1) Free Proxy - Internet is full of free proxy services which are designed to hide our IP address. One of them is anonymouse[1]. Just type the address you would like to visit, press "Surf anonymously" and you are in. The next method is proxy chaining. It's simple, just connect with the first proxy to another one. Another one way is to find free proxy which could be set directly into your web browser. Then all the magic is transparent and that means comfortable. But here be careful with service you have chosen. Some of those servers are just collecting login information!
I have tried this way of communication but it is not comfortable and many things were not working as good as I expected. I have tried anonymouse[1] and CoDeeN[2]. If you are interested in, visit [3].

2) Tor Project - Tor[4] uses little bit different approach. The user have to install client application which allows him to connect into Tor network. Computers in Tor network uses encrypted communication which goes through so called "nodes". If you are interested in, visit home page of Tor project[4].
Installation was really easy even for me. So everybody have to by successful. Page loading is little bit slower but it is a good price for all those pros. You can use encrypted communication for any service you want to (web, ssh, IM, ...).


Feel free to comment about your own experiences and opinions :-)


Resources:
[1] Anonymouse.org - http://anonymouse.org/
[2] CoDeeN - http://codeen.cs.princeton.edu/
[3] Free proxies - http://tools.rosinstrument.com/howto.htm
[4] Tor project - http://www.torproject.org/

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Java and .properties files

Friday, 13. November 2009, 00:54:41

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Properties files could be used as configuration files of your application. There is many ways how to use them. I have picked the best one for me. If you are interested in the other ways, check javaworld.com.

    public static Properties loadProperties(String fileName) {

        Properties prop = new Properties();

        try {
            prop.load(ClassLoader.getSystemResourceAsStream(fileName));
        }
        catch (Exception ex) {
            System.err.println("Error loading property file: " + fileName);
            prop = null;
        }

        return prop;
    }

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