RSSThree Strategies To Improve The Security Of Ftp Server-ftp-office Supplies Industry
May 31
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[ HC office supplies network ] FTP is a File Transfer Protocol. Sometimes we call him the image of “file sharing concentrated.” FTP file server’s main purpose is to provide file storage space for users to upload or Download The required documents. In the enterprise, often will provide a specific FTP space to facilitate a number of large files can now exchange, as large as several megabytes of design drawings and so on. Meanwhile, FTP can also serve as a backup enterprise file servers, databases and other key applications, such as the FTP server in the realization of remote backup and so on.
Visible, FTP server in the enterprise application is very extensive. It is because of its function so powerful, so a lot of hackers, viruses have begun to “concern” him. They attempted to FTP server as a springboard, they spread as a Trojan horse, source of the virus. Also, because FTP server stores a lot of valuable business content. Tempted by the economic interests, FTP servers became the object of attack someone else.
Therefore, FTP server security work gradually more important. I use the FTP server is based on the operating system platform Vsftpd Linxu software. I use this software as an example today, talk about how if the FTP server, according to the safety of the design.
One who can access the FTP server?
In considering the FTP server security jobs, the first step to consider is who can access the FTP server. In Vsftpd server software, the default provision of the three types of users. Corresponding to different users with different permissions mode of operation.
One is Real account. Such user is in the FTP service has accounts. When such users log on when the FTP server, the default home directory is the name of the directory account. However, it also can change to another directory. If the system’s home directory and so on.
Second real Guest user account. In the FTP server, we often will give a different department, or set a specific user account. However, this account has a characteristic, that is their only access to your home directory. Server through FTP service in this way to guarantee the security of other documents. Such accounts, in Vsftpd software called Guest users. Have such user’s account can only access their home directory under the directory, but can not access files outside the home directory.
Third type of account is the Anonymous (anonymous) users, and this is what we usually anonymous access. Such user is not specified in the FTP server account, but it still can be anonymous access to certain public resources.
FTP server in the establishment of the time, we need the type of the user, the user classification. By default, Vsftpd server will set up all the accounts assigned to Real users. However, this often does not meet corporate security needs. Because these users can access their home directory, but you can also access other user’s directory. This is where the space to other users bring some security risk. Therefore, enterprises should the actual situation, modify the user though the category.