When asking regex questions, always add the tag for the specific programming language or tool (e.g., Perl, Python, or Java; vi, emacs, or ɢɴᴜ grep; etc.) you are using.

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2answers
193 views

apache - query string rewrite rule adds percentage symbol

I've set up a rule to rewrite a query string. Although the redirection is correctly performed, a % character is appended to the rewritten query portion of the URL, like so: ...
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1answer
128 views

Show real server name in nginx logs and params passed to fastcgi?

I have configured my nginx vhosts with a regex in server_name. nginx shows the raw regex in logs and in params passed to php-fpm (I know there's $_SERVER['HTTP_HOST'] with a real value, that's not an ...
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0answers
31 views

SED returning error 2 when launched by Wpkg

Case I am deploying a software product using Wpkg over Windows workstations. I need to disable product's faulty automatic update and the best solution in this case is to modify one configuration file ...
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2answers
289 views

Fail2Ban Regex - Joomla / PHP5-FPM

i can't get a regex for fail2ban to work. I want to match the following: [Tue Jun 24 10:22:14.528987 2014] [fcgid:warn] [pid 22526:tid 139757615011584] [client IP:PORT] mod_fcgid: stderr: user admin ...
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1answer
84 views

Postfix Regex Alias with Text Substitution

I'm migrating from an older email structure ([first letter of first name].[last name]@company.com) to [first letter of first name][last name]@company.com. To ensure that mail sent to older addresses ...
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1answer
71 views

Puppet: Nagios with regex node names

I am configuring a puppet master and want to rely heavily on hiera. Many of my systems will be almost identical due to being scalable. I have therefore created node manifests which use regex rather ...
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1answer
389 views

Optional URL segments in NGINX

I need to proxy pass multiple segments further to another server, there can be up two 5 segments. What nginx needs to match example.com/somehash example.com/somehash/segment1 ...
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2answers
8k views

nginx url rewriting. i just don't get it

Ok, an example url is http://www.mysite.com/?p=account&view=settings the p uri is a constant. all urls have it. the view is one of many optional uri. i've tried to understand url rewriting ...
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2answers
467 views

Zabbix doesn't update value from file neither with log[] nor with vfs.file.regexp[] item

I am using Zabbix 2.2. I have a very specific environment, where I have to generate desired data to file via script, then upload that file to ftp from host and download it to Zabbix server from ftp. ...
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0answers
160 views

varnish - multiple catch-all domain names

In order to avoid setting up one backed per subdomain, I am specifying a catch-all regex string per domain name, as follows: backend domain1 { .host = "10.10.10.5"; .port = "80"; } ...
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0answers
54 views

Unable to match expression inside If directive no matter what

I have been trying for the past 3 hours trying to match an if statement to define a variable within httpd.conf with no success: <If "%{HTTP_HOST} =~ /[a-z]+/i"> Define test_value "A" ...
1
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1answer
79 views

mod_pagespeed ModPagespeedLoadFromFile ReGex not working

I have following directive in MPS config: ModPagespeedLoadFromFile "^https?://www.(e|i)zi?aro(v|w)k(y|i).(cz|sk|pl)/static/" "/var/www/eZarovky/production/public/static/" This RegExp should match ...
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1answer
2k views

Apache LocationMatch regex behaviour does not seem correct

I am using the LocationMatch directive to set headers upon matching of certain URL patterns: # 1 # Expected matches: //mysite.com/any-page-with-at-least-a-character-and-no-dot <LocationMatch ...
0
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1answer
262 views

Nginx Extract Top Directory Name From Request URI

I am in the need of being able to use top directory from the $request_uri, for example: /dir/sub/slug -> /dir I read the answer of this question: How to extract Only the file name from the request ...
1
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1answer
606 views

fail2ban-regex matches with strings, but not with log and conf files, why?

If I run fail2ban-regex '31.22.105.115 - - [11/Apr/2014:18:09:54 +0100] "GET /admin/config.php HTTP/1.0" 301 573 "-" "-"' '^<HOST> - - (?:\[[^]]*\] ...
0
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1answer
717 views

Filter python messages with regex in syslog-ng

I have syslog-ng (v3.4.7) configured to catch almost all messages in their respective logs, but recently I've included some python scripts in crontab and their output just goes to messages or debug ...
2
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1answer
3k views

Nginx redirect all old domain subdomains to new one

I had a very long domain, so I decided to change it to a shorter and more friendly one. But since I have a lot of subdomains (in fact, I have a subdomain wildcard), I wanted to keep the subdomain ...
2
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1answer
2k views

nginx return 301 / redirect

among all 'redirect in nginx' questions I couldnt find how to redirect (using return 301 and beteer no ifs) using regexps. I have a link to my website and I'd like to remove parameter a the end: ...
1
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1answer
1k views

fail2ban bad bots apache access log regex

Trying to block some bad bots using fail2ban reading Apache access log and stuck setting up correct regex. The line I want to match in the access log is: 5.10.83.65 - - [18/Mar/2014:09:06:38 +0400] ...
1
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1answer
205 views

Postfix regexp map for mailboxes

I need to forward all email that comes to mailbox by some mask to one specific mailbox. For example if recipient mail is 79001234567 it should be forwarded. line from /etc/postfix/main.cf ...
1
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1answer
431 views

Redirect all subdomains to main domain with lighttpd and regex

Is it possible to redirect all *.domain.com to my domain.com? I have been messing around with the Regex but without any luck: $HTTP["host"] =~ ".*\.domain\.com" { url.redirect = ...
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2answers
2k views

Zabbix 2.0: Regular Expression to extract value from a String for a trigger?

I am using Zabbix 2.0.4 to monitor several Java applications. Most values are exported via JMX. One of those exported attributes is a string that is constructed like this: ...
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0answers
57 views

Negative match for IP based RegEx

I am looking for negative matching for the below IP based regular expression: True-Client-Ip: ...
2
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0answers
42 views

List subfolders somewhere in the path with rsync

I'm developing a program, that will recursively "walk" through Linux repositories, look for PXE-related files and create gPXE configs. I met across a problem with the structure of Ubuntu catalogs on ...
1
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2answers
535 views

Sieve: filter subject with regex, file into mailbox named match

I am trying to filter mails by subject with a regular expression. The subjects I want to match are read like [git-foo] some more text where foo is the string I want to check for. I end up with the ...
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1answer
83 views

Invalidating email addresses from sql dump before import

Synopsis I would like to import production data into the development environment so testing can be done in an almost accurate way. Of course I need to invalidate e-mail addresses as I don't want ...
0
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1answer
286 views

Using named groups in a DirectoryMatch directive

I have the following directive in my httpd.conf: <DirectoryMatch ^/path/(?P<SI>[^/]+)/logs/bibi> php_admin_value open_basedir /path/?P=<SI>/ </DirectoryMatch> The ...
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0answers
201 views

Exchange 2013 Mail flow rule using RegEx

We're trying to implement a rule on certain mailboxes that it shouldn't accept an email without a subject. I found documentation from Microsoft on exchange 2010 to Configure a Transport Rule for ...
0
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3answers
74 views

Tinydns data file change ip with bash

I am using tinydns and need to dynamicly change some ip in data file. I want to use bash script for it. For example data file: +sub1.example.org:282.196.222.245:14400 ...
1
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1answer
363 views

Whitelisting valid URL patterns on a NGINX webserver

I want to whitelist only valid URL-patterns on our RESTful webserver / API, using regexs or something. But when googling for some examples I get a little bit suspicious since there is not much ...
0
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1answer
122 views

Location regex acting weird on NGINX

I come to you today with a super strange comportment on my NGINX reverse proxy. I use it to be the reverse proxy of a tomcat server and set the host configuration like that: server { listen ...
3
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1answer
7k views

Nginx location regex is not matching

The following has been working to cache css and js for me: location ~ "^(.*)\.(min.)?(css|js)$" { expires max; } results: $ curl -I http://mysite.com/test.css HTTP/1.1 200 OK Server: nginx ...
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2answers
12k views

Nginx: location regex for multiple paths with backend

I have two locations in nginx config that work: location ^~ /media/ { proxy_pass http://backend.example.com; } location ^~ /static/ { proxy_pass http://backend.example.com; } How can I combine ...
1
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1answer
37 views

Rewrite rule when source contains a '?' [duplicate]

Scratching my head on this. I have an old URL: http://myserver/blog/archive?openview&type=Category&key=Demo and a new URL http://myserver/blog/categories/Demo I'm trying to get ...
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0answers
62 views

How to convert RewriteCond rules so they work in Lighttpd?

How can I convert this Apache rewrite rules so they work on Lighttpd? This is in fact a .htaccess file, and I need to put those in a lighttpd.conf file. Options +FollowSymLinks RewriteEngine on ...
1
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1answer
171 views

fail2ban jail not working properly

I'm trying to block non-available script requests to nginx with fail2ban. # Noscript filter /etc/fail2ban/filter.d/nginx-noscript.conf: # # Block IPs trying to execute scripts such as .php, .pl, ...
1
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1answer
139 views

Postfix bad notify parameter syntax

Please bear with me as I'm not an expert admin I have a linux mail server that has been running for a couple of years and now all of a sudden a certain user is unable to send emails. They immediately ...
0
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2answers
374 views

How do I get check_http -r to look for exactly n instances of a string

I have an URL I can query to make sure that my app is running properly. The results are something like below. Checking that "ok" is in the string does not tell me all is well, I need to know that it ...
0
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1answer
937 views

Ngnix Rewrite - If URL contains

I'm having a small issue - my error log is filling up with requests to a directory folder on my site (but with added data that shouldn't be there). http://example.com/the-directory/undefined ...
0
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1answer
321 views

NGiNX and MediaWiki rewrite regular expression

I am having some problems with regular-expression with rewrite in NGiNX. Here is my config: location /wiki/ { rewrite ^/([^?]*)/([^?]*)(?:\?(.*))? /$1/index.php?title=$2&$3 last; ...
0
votes
1answer
156 views

Lighttpd, regex in conf, path including regex match

The background : - Lighttpd 1.4.28 - Debian 6.0.7 i686 Several developers are using this web server, and each of them has his own virtual host named after "username.mysite.tld". These hosts are ...
1
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1answer
120 views

Wrangling sed to find and reformat login date (or, how to kill idle mosh-server processes)

I have an old method of killing idle mosh-server processes, which doesn't work on my new VPS. Here's the old method, which I run in root's crontab to clean up mosh processes that have been idle for ...
2
votes
1answer
119 views

Use of backreferences in fail2ban filters possible?

From time to time, I see collections of suspect "File not found" errors in my Apache logs, basically using the pattern File does not exist: /var/www/file, referer: http://my.server.com/file In ...
1
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0answers
126 views

Nginx - Adding a trailing slash to urls on HTTPS

I am using the below regex to add a trailing slash to any url that doesn't have a railing slash or ends ends with .. rewrite ^([^.]*[^/])$ $1/ permanent; This works fine for http, but when I use ...
0
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3answers
2k views

htaccess filesMatch exclusion

I have the following directive in my htaccess <filesMatch "\.(gif|jpe?g|png|js|css|swf|php|ico|txt|pdf|xml|html?)$"> FileETag None <ifModule mod_headers.c> Header unset ...
0
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1answer
260 views

nginx dynamic servername with regular expression doesn't work for co.uk

I'm trying to setup a nginx server which dynamically loads content from a folder for a domain. To do this I'm using regular expressions in the server name like so: server_name ...
0
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1answer
787 views

nginx rewrite rules with regex applied to one subdirectory only

I've been frustrated for days trying to figure this out, so any advice/help would be greatly appreciated! I've recently added a section called /links to a site at somehost.com but can't seem to get ...
0
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0answers
77 views

htaccess Rewrite leading zero in url causing trouble

I have a database with a string column made up of four unique digits attached to each record. I know this isn't the best way to do this but I'm kind of stuck with it. I'm trying to rewrite urls from ...
0
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1answer
79 views

serve a static file in nginx based on domain extension.ltd?

I was wondering and already did some extensive searches on how to serve a static file based on the domain.LTD extension. Nginx.conf: error_page 502 /maintenance.html; location = /maintenance.html { ...
0
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1answer
223 views

NGINX Drupal Redirect for Mobile

What I want to do; I want mobile users to be redirected to http://m.site.org/mobile-home. Being redirected to the m.bzaeds.org isn't an issue. I also have this working fine in Apache, but the same ...