JialuZhang commented on issue #1679:
URL:
https://github.com/apache/incubator-pagespeed-ngx/issues/1679#issuecomment-785382925
@salvoaranzulla
In your posted configuration,
```
<Location /pagespeed_admin>
RewriteEngine Off
SetHandler pagespeed_global_admin
AuthType Basic
AuthName "Restricted Area"
AuthUserFile "path/auth/.digest_pw"
Require valid-user
</Location>
```
the line "RewriteEngine Off“ is a silent misconfiguration. This means
adding it to your system will not change any system behavior.
"RewriteEngine Off" is introduced by Apache to explicitly disable all
"RewriteRule" and "RewriteCond".
That is to say, if you include multiple "RewriteRule" and "RewriteCond"
parameters in your configuration, then instead of commenting them all, you can
explicitly set “RewriteEngine Off” to disable all "RewriteRule".
More importantly, the default value of “RewriteEngine" is already an "off",
so adding “RewriteEngine off" is quite unnecessary and it may cause confusion
to users.
Since herein there is no "RewriteRule", deleting “RewriteEngine Off” would
be ideal.
Related Apache source code snippet:
```
run_rewritemap_programs(server_rec *s , apr_pool_t *p){
if (conf->state == ENGINE_DISABLED) { // usage of "RewriteEngine"
return APR_SUCCESS; // early return
rewritemap_program(...); // usage of "RewriteRule"
}
```
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