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Easy Learn Java: Programming Articles, Examples and Tips - Page 78


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FilePermission cannot Handle Symbolic Links? I was trying to change file permiss

Go to all tips in File systems

Question: FilePermission cannot Handle Symbolic Links? I was trying to change file permissions on a link but it did not changed! I am the owner of a link...

Answer: Although you can fully own a softlink, the permissions that apply for any action are the ones of the target. OS prohibits a user from changing the permissions of the files being linked to.
Otherwise it could be easy to break a security: just link to any file and change permission Smile

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31 comments | Printer Friendly Page  Send to a Friend | Score: 4
Posted by jalex on Friday, September 05, 2003 (00:00:00) (4662 reads)

My application tries to read html files from web server.

Go to all tips in Networking

Question: My application tries to read html files from web server.
Some of files are protected by an authorization procedure - server asks for username and password. What could I do?

Answer: Connecting via a socket to port 80 of the web server, put your necessary info into HTTP message.

You need to provide an authorization field in the header section of the HTTP message, with the user and password. They are encoded using base64 format. I do not remember details of protocol... You can read more in RFC that describes the HTTP protocol.

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8 comments | Printer Friendly Page  Send to a Friend | Score: 0
Posted by jalex on Thursday, September 04, 2003 (00:00:00) (3197 reads)

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