The high performance of FileZilla comes from its code development platform is C / C + +. Therefore, it can also be seen here that open source is the best guarantee for security. If developers implant “back door” and other dangerous codes in it, they will be corrected by the majority of programmers on the Internet.
Some closed source software even retain a “back door” to facilitate remote control, such as windows, such as serv-u. Even if some errors are found, more vulnerabilities are hidden in the code, but because the code is not public, people can’t find it in the short term, and many problems will be exposed in later use. Without source code in the process of research, it is difficult to find its errors.
Therefore, it can only be studied as a “black box”. The closed source software without open source code cannot be studied. The representative of this kind of software is a large number of high reliability software such as Apache, PHP, mysql, bind and vsftpd under Linux platform. With its gradual improvement, there are fewer and fewer vulnerabilities, and finally it has become recognized as extremely safe software, which is inseparable from the contribution of tens of thousands of programmers on the Internet. The larger the scale of open source, the more people download and read its source code, and the more popular the software will be. If it is open source software, the attacker will download the source code of the software, analyze its internal vulnerabilities from the source, and attack. Why can open source ensure security? After the birth of each software product, many people try to find its vulnerabilities and attack them in order to obtain permissions and other benefits. Filazilla’s security comes from its open source. The main advantages of FileZilla are: high security and high performance.
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