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exim route file condition

Using exim4 I have set up a route to use an external SMTP server. I am using cPanel which keeps a list of domains set up locally on the server in the file: /etc/localdomains . As a result I have set ...
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119 views

DNS Conditional forwarder returns NETBIOS instead of FQDN

Strange DNS problem for which I hope you can help. Active Directory with NETBIOS name "Shortdomain" and as FQDN "verylongdomainname.lan". Domain controller DC01 behind firewall. IP: x.x.x.1 Customer ...
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46 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" ...
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2answers
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Write an apache configuration, with condition based on the apache version

I want to write a configuration for an apache server which should work for apache-2.2 and -2.4 without alterations. Since there are a quite a few new modules in v2.4 which have to be loaded,and a few ...
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98 views

Nginx: security vs conditionals

I was reading around looking for some security steps that can be taken in Nginx to protect apps I'm serving using Nginx as a reverse proxy. I found this code which has some good things in it to ...
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381 views

Conditionally Rewrite Email Headers (From & Reply-To) Exchange 2010

I have a client who maintains Company A (with email addresses %username%@companyA.com) and they own the domain companyB.com however there is no "infrastructure" (no Exchange server) set up ...
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2answers
173 views

EXIM - Send local mail to Gateway First

My mail server is protected from spam by our Barracuda appliance. I'm trying to configure EXIM to forward ALL outbound messages to the Barracuda server first, including mail for local domains. Once ...
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1answer
245 views

Building up puppet variable based on conditions

So I'm getting adjusted to the immutable variables in puppet, now looking for some advice, or clarification to whether I'm already on the right track. I have a directory I'd like to sync, but ...
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1answer
406 views

Nginx - Apply basic auth only if an htaccess file exists

How can I apply basic auth only if an htaccess file exists? If first tried to put the auth_basic directives in an if block, but that is not allowed. Then, I tried redirecting to a named location, ...
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0answers
94 views

Apache2 conditional section based on port

I don't know much about if statements in apache configuration, and I'm wondering if I can have a section of the configuration applied only if the request is received on a certain port. In short, this ...
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1answer
495 views

Postfix conditional rules base on sending address

Email configuration on dev server: At the moment I have postfix configured to route all emails sent to itself. So if you try to send and email to any address say gareth@example.com it won't be ...
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1answer
550 views

Apache: Set global headers only if not already set

I am having a little annoying situation here. I have a server managed by plesk. In the /etc/apache2/apache2.conf mod_headers and mod_expires based configuration takes place. For example: ...
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1answer
286 views

apache if ie send some header

I want to set some headers just for MSIE using apache configuartion file. How can i set the condition for that ? # better website experience for ie users <IfModule mod_headers.c && ...
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1answer
291 views

Rebuilding a file if files have changed

I'm having a hard time wrapping my head around this. It seems trivial, but I'm not getting it. I have two files. If either of those two files changes, I want to rebuild one of them. Essentially: ...
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1answer
62 views

Discerning which GNU screen window is being used in a shell script

Using a shell script, how can you tell if a screen is running using shell scripts? For example, using pseudocode: IF (screen.screenname.running == TRUE) or something like that.
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2answers
186 views

Varnish and Browser Exceptions

I currently run a website behind a Varnish server, It contains a few browser conditions for Internet Explorer 6. Unfortunately Varnish is caching the first version it serves without taking into ...
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1answer
466 views

Conditional blocks of code in linux bash

Nearly everybody knows very useful && and || operators, for example: rm myf && echo "File is removed successfully" || echo "File is not removed" I've got a question: how to put a ...
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1answer
380 views

Apache 2.2, changing DocumentRoot depending on the HTTP auth credentials provided by client

Is this even possible? Say I have a server, devbox.local, which has several HTTP auth users: alan, bill, carl. What I'm trying to do is tell Apache to use a different DocumentRoot depending on who is ...
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2answers
1k views

Conditional `mount` in Linux: dev or nfs

I have a mount point — let it be /media/question — and two possible devices: a physical HDD and a remote NFS folder. Sometimes I plug the device in physically, in other cases I mount it via NFS. Is ...