Perhaps this might help: http://www.php.net/manual/en/function.ini-set.php
session.save_path "/tmp" PHP_INI_ALL session.name "PHPSESSID" PHP_INI_ALL session.save_handler "files" PHP_INI_ALL session.auto_start "0" PHP_INI_ALL session.gc_probability "1" PHP_INI_ALL session.gc_maxlifetime "1440" PHP_INI_ALL session.serialize_handler "php" PHP_INI_ALL session.cookie_lifetime "0" PHP_INI_ALL session.cookie_path "/" PHP_INI_ALL session.cookie_domain "" PHP_INI_ALL session.cookie_secure "" PHP_INI_ALL session.use_cookies "1" PHP_INI_ALL session.use_only_cookies "0" PHP_INI_ALL session.referer_check "" PHP_INI_ALL session.entropy_file "" PHP_INI_ALL session.entropy_length "0" PHP_INI_ALL session.cache_limiter "nocache" PHP_INI_ALL session.cache_expire "180" PHP_INI_ALL session.use_trans_sid "1" PHP_INI_ALL session.encode_sources "globals track" Use ini_set to modify these settings... Regards, Mitja "Mintbaggio" <[EMAIL PROTECTED]> wrote in message 000801c24227$b4d1c7c0$[EMAIL PROTECTED]">news:000801c24227$b4d1c7c0$[EMAIL PROTECTED]... > Hello > I'm a Chinese university student,I want to ask some questions about session. > These days I'm build a website for my university with PHP, But I meet a > question when I develop the part of User Management: After I have log out > from a user page(I use "session_unset()" and "session_destroy()"),I can > return to the page again by click the button "Back"to that pagea and refresh > it, the user page can be shown again. This is unsafe. > So I want to ask that the function "session_unset" and "session_destroy()" will > destroy session immediately or there is a life-time for session. In my memory, > I think that there is a life-time for session and the life-time can be configured. > > Another question: > If the user log page is "main.php",the page for authenticate the user is "login.php" > I use session to store the infomation of user such as : > session_register($userid); > But if the variables in the session are unfortunately be known by somebody else. > and he can visit others' information bye the url:"login.php?userid=***",how can solve > these problem? use a ugly but difficult session varable? > > Just two questions. > Thanks a lot. > Wish back soon! > Best wishes > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php