


nginx dynamic loading (ngx_dso_module) module nginx ajp module nginx ssl module nginx kafka modul
According to the introduction of tengine official website, the ngx_dso_module module is mainly used to dynamically load modules at runtime without having to recompile Tengine every time. The limit on the number of dynamically loaded modules is 128. If the loaded dynamic module is modified, Tengine must be restarted for it to take effect, and only the http module is supported.
In fact, ngx_dso_module is a module that comes with tenginx; it has been installed when compiling and installing tengine, and can be viewed through sbin/nginx -V, such as:
Then its function is to dynamically load modules, Instead of having to re-./configure && make && make install
Syntax: load module_name module_path
Action segment: dso
Default: none
Configuration usage example:
Dynamically load ngx_http_lua_module.so. By default, module_path needs to be specified. If not specified, the relative path of the default loading path (NGX_PREFIX/modules or passed during configure) The path set by dso-path), that is, /usr/local/nginx/modules
Configure in nginx.conf
After the configuration is completed, execute sbin/nginx -t to verify whether the syntax is correct , then execute sbin/nginx -s reload to reload, and the dynamically loaded module will take effect.
Module address: https://yunpan.cn/cqSKP6BrJ2AeT Access password 4f50
').addClass('pre-numbering').hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });The above introduces the nginx dynamic loading (ngx_dso_module) module, including module and nginx content. I hope it will be helpful to friends who are interested in PHP tutorials.

Absolute session timeout starts at the time of session creation, while an idle session timeout starts at the time of user's no operation. Absolute session timeout is suitable for scenarios where strict control of the session life cycle is required, such as financial applications; idle session timeout is suitable for applications that want users to keep their session active for a long time, such as social media.

The server session failure can be solved through the following steps: 1. Check the server configuration to ensure that the session is set correctly. 2. Verify client cookies, confirm that the browser supports it and send it correctly. 3. Check session storage services, such as Redis, to ensure that they are running normally. 4. Review the application code to ensure the correct session logic. Through these steps, conversation problems can be effectively diagnosed and repaired and user experience can be improved.

session_start()iscrucialinPHPformanagingusersessions.1)Itinitiatesanewsessionifnoneexists,2)resumesanexistingsession,and3)setsasessioncookieforcontinuityacrossrequests,enablingapplicationslikeuserauthenticationandpersonalizedcontent.

Setting the httponly flag is crucial for session cookies because it can effectively prevent XSS attacks and protect user session information. Specifically, 1) the httponly flag prevents JavaScript from accessing cookies, 2) the flag can be set through setcookies and make_response in PHP and Flask, 3) Although it cannot be prevented from all attacks, it should be part of the overall security policy.

PHPsessionssolvetheproblemofmaintainingstateacrossmultipleHTTPrequestsbystoringdataontheserverandassociatingitwithauniquesessionID.1)Theystoredataserver-side,typicallyinfilesordatabases,anduseasessionIDstoredinacookietoretrievedata.2)Sessionsenhances

PHPsessionscanstorestrings,numbers,arrays,andobjects.1.Strings:textdatalikeusernames.2.Numbers:integersorfloatsforcounters.3.Arrays:listslikeshoppingcarts.4.Objects:complexstructuresthatareserialized.

TostartaPHPsession,usesession_start()atthescript'sbeginning.1)Placeitbeforeanyoutputtosetthesessioncookie.2)Usesessionsforuserdatalikeloginstatusorshoppingcarts.3)RegeneratesessionIDstopreventfixationattacks.4)Considerusingadatabaseforsessionstoragei

Session regeneration refers to generating a new session ID and invalidating the old ID when the user performs sensitive operations in case of session fixed attacks. The implementation steps include: 1. Detect sensitive operations, 2. Generate new session ID, 3. Destroy old session ID, 4. Update user-side session information.


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