magento apache下，部分主机伪静态导致前台 500错误，经技术人员分析后发现，是其中默认的版本判断内容有误，正确的pub目录伪静态规则为:
############################################
## Optional override of deployment mode. We recommend you use the
## command bin/magento deploy:mode:set to switch modes instead
# Options are default, production, or developer
# SetEnv MAGE_MODE default
############################################
## Uncomment these lines for CGI mode.
## Make sure to specify the correct cgi php binary file name
## it might be /cgi-bin/php-cgi
# Action php5-cgi /cgi-bin/php5-cgi
# AddHandler php5-cgi .php
############################################
## GoDaddy specific options
# Options -MultiViews
## You might also need to add this line to php.ini
## cgi.fix_pathinfo = 1
## If it still doesn't work, rename php.ini to php5.ini
############################################
## Enable usage of methods arguments in backtrace
#SetEnv MAGE_DEBUG_SHOW_ARGS 1
############################################
## This line is specific for 1and1 hosting
#AddType x-mapp-php5 .php
#AddHandler x-mapp-php5 .php
############################################
## Default index file
DirectoryIndex index.php
<IfModule mod_php7.c>
############################################
## Adjust memory limit
php_value memory_limit 756M
php_value max_execution_time 18000
############################################
## Disable automatic session start
## before autoload was initialized
php_flag session.auto_start off
############################################
## Enable resulting html compression
#php_flag zlib.output_compression on
###########################################
# Disable user agent verification to not break multiple image upload
php_flag suhosin.session.cryptua off
</IfModule>
<IfModule mod_security.c>
###########################################
# Disable POST processing to not break multiple image upload
SecFilterEngine Off
SecFilterScanPOST Off
</IfModule>
<IfModule mod_deflate.c>
############################################
## Enable apache served files compression
## http://developer.yahoo.com/performance/rules.html#gzip
# Insert filter on all content
###SetOutputFilter DEFLATE
# Insert filter on selected content types only
#AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript application/json image/svg+xml
# Netscape 4.x has some problems...
#BrowserMatch ^Mozilla/4 gzip-only-text/html
# Netscape 4.06-4.08 have some more problems
#BrowserMatch ^Mozilla/4\.0[678] no-gzip
# MSIE masquerades as Netscape, but it is fine
#BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
# Don't compress images
#SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
# Make sure proxies don't deliver the wrong content
#Header append Vary User-Agent env=!dont-vary
</IfModule>
<IfModule mod_ssl.c>
############################################
## Make HTTPS env vars available for CGI mode
SSLOptions StdEnvVars
</IfModule>
############################################
## Workaround for Apache 2.4.6 CentOS build when working via ProxyPassMatch with HHVM (or any other)
## Please, set it on virtual host configuration level
## SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
############################################
<IfModule mod_rewrite.c>
############################################
## Enable rewrites
Options +FollowSymLinks
RewriteEngine on
############################################
## You can put here your magento root folder
## path relative to web root
#RewriteBase /magento/
############################################
## Workaround for HTTP authorization
## in CGI environment
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
############################################
## TRACE and TRACK HTTP methods disabled to prevent XSS attacks
RewriteCond %{REQUEST_METHOD} ^TRAC[EK]
RewriteRule .* - [L,R=405]
############################################
## Redirect for mobile user agents
#RewriteCond %{REQUEST_URI} !^/mobiledirectoryhere/.*$
#RewriteCond %{HTTP_USER_AGENT} "android|blackberry|ipad|iphone|ipod|iemobile|opera mobile|palmos|webos|googlebot-mobile" [NC]
#RewriteRule ^(.*)$ /mobiledirectoryhere/ [L,R=302]
############################################
## Never rewrite for existing files, directories and links
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
############################################
## Rewrite everything else to index.php
RewriteRule .* index.php [L]
</IfModule>
############################################
## Prevent character encoding issues from server overrides
## If you still have problems, use the second line instead
AddDefaultCharset Off
#AddDefaultCharset UTF-8
AddType 'text/html; charset=UTF-8' html
<IfModule mod_expires.c>
############################################
## Add default Expires header
## http://developer.yahoo.com/performance/rules.html#expires
ExpiresDefault "access plus 1 year"
ExpiresByType text/html A0
ExpiresByType text/plain A0
</IfModule>
###########################################
## Deny access to release notes to prevent disclosure of the installed Magento version
# For 404s and 403s that aren't handled by the application, show plain 404 response
ErrorDocument 404 /errors/404.php
ErrorDocument 403 /errors/404.php
################################
## If running in cluster environment, uncomment this
## http://developer.yahoo.com/performance/rules.html#etags
#FileETag none
# ######################################################################
# # INTERNET EXPLORER #
# ######################################################################
# ----------------------------------------------------------------------
# | Document modes |
# ----------------------------------------------------------------------
# Force Internet Explorer 8/9/10 to render pages in the highest mode
# available in the various cases when it may not.
#
# https://hsivonen.fi/doctype/#ie8
#
# (!) Starting with Internet Explorer 11, document modes are deprecated.
# If your business still relies on older web apps and services that were
# designed for older versions of Internet Explorer, you might want to
# consider enabling `Enterprise Mode` throughout your company.
#
# https://msdn.microsoft.com/en-us/library/ie/bg182625.aspx#docmode
# http://blogs.msdn.com/b/ie/archive/2014/04/02/stay-up-to-date-with-enterprise-mode-for-internet-explorer-11.aspx
<IfModule mod_headers.c>
############################################
Header set X-UA-Compatible "IE=edge"
# `mod_headers` cannot match based on the content-type, however,
# the `X-UA-Compatible` response header should be send only for
# HTML documents and not for the other resources.
<FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
Header unset X-UA-Compatible
</FilesMatch>
## Prevent clickjacking
Header set X-Frame-Options SAMEORIGIN
</IfModule>主目录伪静态规则 为：
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_URI} !^/pub/
RewriteCond %{REQUEST_URI} !^/setup/
RewriteCond %{REQUEST_URI} !^/update/
RewriteCond %{REQUEST_URI} !^/dev/
RewriteRule .* /pub/$0 [L]
DirectoryIndex index.php
</IfModule>