Article Tags
Article Tags
How to use the Nginx map directive for cleaner configurations?
Usemapforsafe,efficientvariableassignmentfromrequestattributesduringinit—notif,whichiserror-prone;mapworksonlyinhttpcontext,supports$arg_*forqueryparams,notraw$args,andcachesresultsperrequest.
Mar 01, 2026 am 03:24 AM
What is the best Nginx configuration for serving a single-page application (SPA)?
Nginxmustfallbacktoindex.htmlforSPAclient-sideroutesusingtry_files$uri$uri//index.htmlinsidelocation/,whileplacingAPI/staticassetblocksaboveittoavoidinterference,andconfiguringpropercaching/MIMEtypesforproduction.
Mar 01, 2026 am 02:24 AM
How to implement a maintenance page with Nginx?
Nginxmaintenancemodeisbestimplementedviaerror_page503@maintenanceserving/usr/share/nginx/html/maintenance.html,withhealthchecksandstaticassetswhitelistedusingearly,specificlocationblockstoavoidinheritanceissues.
Feb 28, 2026 am 04:12 AM
How to monitor Nginx with the stub_status module?
stub_statusisanHTTP-onlyNginxmodulethatreportsbasicconnectionandrequestmetrics;enableitinanon-SSLserverblockwithadedicatedlocation,accessrestrictions,andnoconflictingdirectives.
Feb 28, 2026 am 03:29 AM
How to solve Nginx permission denied errors?
First,identifytheNginxuserviagrep'user'/etc/nginx/nginx.conf,thenensurefileownershipwithchown-Rwww-data:www-data/var/www/html,setdirectorypermissionsto755andfilesto644,verifyaccessusingsudo-uwww-datacat/var/www/html/index.html,checkSELinuxstatuswiths
Feb 27, 2026 am 03:31 AM
What is the easiest way to set up Nginx as a reverse proxy?
Simply install Nginx and configure the location block containing proxy_pass (with trailing slash), proxy_http_version1.1 and key forwarding headers to implement reverse proxy. No additional modules or compilation are required. Note that path rewriting rules and headers such as X-Forwarded-For require explicit trust by the backend.
Feb 27, 2026 am 03:18 AM
How to set up basic authentication (password protection) in Nginx?
Nginxrequiresanexternalhtpasswdfile(e.g.,/etc/nginx/.htpasswd)withbcrypthashes,referencedviaauth_basic_user_fileinalocationorserverblock;ensureabsolutepaths,properpermissions,semicolons,andHTTPS—basicauthonlyworksreliablyinbrowsers,notscripts.
Feb 26, 2026 am 02:08 AM
What is the difference between Nginx proxy_pass and fastcgi_pass?
Useproxy_passforHTTPbackends(e.g.,Node.js)andfastcgi_passforFastCGIbackends(e.g.,PHP-FPM);mixingthemcausesprotocolerrorslike502s,blankresponses,orconnectionresetsduetoincompatibleprotocols.
Feb 26, 2026 am 02:03 AM
What's the best Nginx configuration for a Node.js application?
There is no universal best Nginx configuration, but the production environment needs to set proxy_read_timeout, proxy_send_timeout, disable proxy_buffering (when streaming responses), and correctly handle X-Forwarded-For and health checks.
Feb 25, 2026 am 03:57 AM
How to hide the Nginx server version number for security?
Disablingserver_tokensoffinthehttpblockhidesNginx’sversionintheServerheader,reducingattacksurface;itmustbeplacedbeforeincludes,validatedwithnginx-t,andtestedviacurl-I;fullheaderremovalrequiresthird-partymodules.
Feb 25, 2026 am 02:51 AM
How to configure error pages in Nginx?
error_pageinternallyrewritesrequeststoaspecifiedURIuponmatchingHTTPstatuscodes,requiringproxy_intercept_errorsorfastcgi_intercept_errorstocatchupstreamorFastCGIerrors;itdoesnotservefilesdirectly.
Feb 24, 2026 am 04:27 AM
How to set expires headers in Nginx?
UsetheexpiresdirectiveinNginxtosetcachingdurationsforstaticcontent.Forexample,cacheimagesfor1yearwithexpires1y;inalocationblockmatchingfileextensionslikejpg,png,orgif.ApplysimilarrulesforCSSandJSwithexpires1M;.Groupcommonstaticfilesusingregextostream
Feb 24, 2026 am 01:39 AM
How to serve a Vue.js application with Nginx?
Nginxreturns404forVueRouter’shistorymodebecauseittriestoservenonexistentstaticpathslike/dashboard;fixbyusingtry_files$uri$uri//index.htmlinthelocation/block,ensuringrootpointstothebuiltassetsand/api/isisolatedbeforethecatch-all.
Feb 23, 2026 am 03:32 AM
What are the essential security headers to add to your Nginx config?
A progressive CSP strategy should be used: first monitor in report-only mode, and then enable it based on actual traffic; the default limit is default-src'self', add script-src, style-src and other instructions as needed, and avoid blindly copying common configurations.
Feb 23, 2026 am 12:14 AM
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