FTP and CHMOD

[Vernon A Webb <Ve...@net-nation.com>]

I have noticed that when an ftp program is used to access 
an ftp account that file within that account have certain 
permissions. In the ftp program I am using I also have an 
options to change those permissions using chmod, but when I 
try to use it, I get an access denied error message. My 
questions are as follows: 

Is this by design and do I want to have it set that way for 
security purposes? Is there any reason a web designer would 
need to change those permission? I would imagine they do. 

For instance I know on my Windows box I will not allow a 
user to read files from a location where a database may be, 
because I don't want them downloading that database. So I 
would give that folder execute and write permissions, but 
not read. It would seem that it would be a good thing to 
give an ftp user the ability to do this since they might 
have cause to do such a  thing, but on the other hand, 
would that same user be able to upload a malicious file to 
the server, like a Trojan horse, and execute it?



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