KOINS.Core

- user identification by login and password;
- two-level protection from automatic registrations (CAPTCHA code, limitation of multiple registrations form the same IP address);
- the system uses password authenticated key exchange (PAKE) where two or more parties, based only on their knowledge of a password, establish a cryptographic key using an exchange of messages, such that an unauthorized party (one who controls the communication channel but does not possess the password) cannot participate in the method and is constrained as much as possible from guessing the password;
- limitation of password typing (login lock in case of multiple attempts to type an incorrect password);
- possibility to assign temporary or constant limitations for IP addresses;
- user detailed information (photo, full name, work or study place an so on);
- control subsystem by administrator privileges;
- user account and E-mail lock.

- convenient interface to control hierarchical catalogue and file downloading;
- flexible setup of access privileges for files loading and downloading to the sever;
- support of broken download resume (especially useful for large files);
- large files downloading to the server by means of FTP;
- possibility to view last changes, assign comments;
- downloading counter for files;
- premoderation regime (permission to download file after its verification);
- notices about new files downloads;
- possibility to impose limitations on admissible file name.

- list, language name and charset for each language is set by the administrators of the website without programmer help;
- source messages and their translations to all languages are stored in MySQL database;
-similar language translation in case of necessary language translation unavailability. If there is no translation at all, the message displays as source one;
- in process of translation all the messages can be downloaded as single text file of special format that can be edited and loaded back.

- possibility to post news and articles by website users;
- news’ subscription;
-article version control: you can always see detail information on all made changes and in case of need to cancel them;
- ability to make locked website objects;
- convenient content due to article rubrics; possibility to post unlimited number of articles in the rubrics .

-single search system by all website objects;
- search by content, not by website pages;
- search over locked website object with account of user privileges.

- own statistic and detail history log;
- search phrase list of many popular search engines;
- denied access to several website objects for bots;
- list of bots.

- usage of this form instead of contact E-Mail guarantees the protection from search spammer bots;
- users who haven’t their own E-Mail can contact you directly via this form;
- send E-mail form can be easily changed into questionnaire with multiple fields that are filled in by the user and is sent to your E-Mail;
-placement of unlimited number of such questionnaires in your website.

- forum: convenient interface, simple administration;
-rotator: banners’ show without usage of another’s banner exchange networks. Priority of banners’ show. Banners’ statistics;
- voting service: allows to create questionings and voting in the website. Can be used alone just as a part of other modules. Has tri-level protection: by IP addresses with the use of cookies and login of voted user.