----- On Dec 9, 2020, at 6:02 PM, Eric Covener covener@xxxxxxxxx wrote: Hi Eric, thanks for your answer. Now i'm struggling with RewriteRule ^(?:build|tests|config|lib|3rdparty|templates)/.* - [R=404,L] Most is clear. The content of the parentheses () like build, tests .. is or-conjuncted by the pipe |, so only one of the patterns must appear. But what is ?: ? The question mark normally is a repeater for the prior character. But there is no one. And wherefore is the colon ? I gave https://perldoc.perl.org/perlre#Metacharacters a chance. It seems the ?: says that a match for (build|tests|config|lib|3rdparty|templates) can't be used as a backreference. Right ? Where is the purpose of that ? in my error_log with setting "LogLevel info rewrite:trace2": [Fri Dec 11 15:44:50.666869 2020] [rewrite:trace1] [pid 3408] mod_rewrite.c(483): [client 146.107.126.166:57329] 146.107.126.166 - - [nc-mcd.helmholtz-muenchen.de/sid#7f9158e4f700][rid#7f9155a2a0a0/initial] [perdir /var/www/nextcloud/] pass through /var/www/nextcloud/ What is sid and rid ? Thanks. Bernd Helmholtz Zentrum München Helmholtz Zentrum Muenchen Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH) Ingolstaedter Landstr. 1 85764 Neuherberg www.helmholtz-muenchen.de Aufsichtsratsvorsitzende: MinDir.in Prof. Dr. Veronika von Messling Geschaeftsfuehrung: Prof. Dr. med. Dr. h.c. Matthias Tschoep, Kerstin Guenther Registergericht: Amtsgericht Muenchen HRB 6466 USt-IdNr: DE 129521671 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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