AjaXplorer Diagnostic Tool

The diagnostic tool detected some errors or warning : you are likely to have problems running AjaXplorer!

STATUS : You have some errors that may prevent AjaXplorer from running. Please check the red lines to see what action you should do. If you are confident enough and know that your usage of AjaXplorer does not need these errors to fixed, continue here to Ajaxplorer!.

Failed Tests
NameInfo
Required writeable folderOne of the following folder should be writeable and is not : AJXP_INSTALL_PATH/server/conf,AJXP_INSTALL_PATH/server/conf/repo.ser,AJXP_INSTALL_PATH/server/users,AJXP_INSTALL_PATH/server/logs/,/srv/http/zhongguowen/server/cache 
Warnings
NameInfo
PHP SessionWarning, it seems that your temporary folder used to save session data is not set. If you are encountering troubles with logging and sessions, please check session.save_path in your php.ini. Otherwise you can ignore this. 
SSL EncryptionYou are not using SSL encryption, or it was not detected by the server. Be aware that it is strongly recommended to secure all communication of data over the network. 
Server charset encodingYou must set a correct charset encoding in your locale definition in the form: en_us.UTF-8. Please refer to setlocale man page. If your detected locale is C, please check the F.A.Q.. Detected locale: C (using UTF-8) 
Server Info
NameInfo
AjaXplorer versionAJXP version : 3.2.4 
Client BrowserCurrent client CCBot/1.0 (+http://www.commoncrawl.org/bot.html) 
Magic quotesMagic quotes enabled : 0 
PHP error levelE_ERROR | E_WARNING | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING | E_USER_ERROR | E_USER_WARNING | E_USER_NOTICE 
PHP Limits variablesTesting configs
Upload Max Size=2M
Memory Limit=128M
Max execution time=30
Safe Mode=0
Safe Mode GID=0
Xml parser enabled=1 
PHP operating systemCurrent operating system Linux 
Upload particularitiesTesting configs
Upload Tmp Dir Writeable=1
PHP Upload Max Size=2097152
PHP Post Max Size=8388608
AJXP Upload Max Size=0 
Users ConfigurationCurrent config for users 
Zlib extension (ZIP)Extension enabled : 1 
Other Tests Passed
DOM Xml enabled, PHP GD version, MCrypt enabled, PHP version, Filesystem Plugin Testing repository : Default Files