Removed hardwired md urls

Signed-off-by: mrgarris0n <gergely.karacsonyi@gmail.com>

Author: mrgarris0n

_data/external_links.yml

@@ -30,7 +30,7 @@ gh-pages:
 gh-syslog-ng:
   id: gh-syslog-ng
   url: https://github.com/syslog-ng/syslog-ng
-  title: [ "syslog-ng on GitHub" ]
+  title: [ "syslog-ng OSE source code" ]
 
 gh-syslog-ng-doc:
   id: gh-syslog-ng-doc

_includes/doc/admin-guide/manpages-footnote.md

@@ -5,7 +5,7 @@ The syslog-ng manual page
 
 >**NOTE:**
 >If you experience any problems or need help with syslog-ng OSE, visit
->the [syslog-ng mailing list](https://lists.balabit.hu/mailman/listinfo/syslog-ng).
+>the syslog-ng mailing list.
 >  
->For news and notifications about syslog-ng OSE, visit the [syslog-ng blogs](https://syslog-ng.com/blog/).
+>For news and notifications about syslog-ng OSE, visit the syslog-ng blogs.
 {: .notice--info}

_includes/doc/admin-guide/manpages-intro.md

@@ -2,7 +2,7 @@
 **NOTE:** The {{ page.app }} application is distributed with the syslog-ng OSE
 system logging application, and is usually part of the syslog-ng OSE
 package. The latest version of the syslog-ng OSE application is
-available at the [syslog-ng OSE page](https://syslog-ng.com/).
+available at the syslog-ng OSE page.
 {: .notice--info}
 
 This manual page is only an abstract.

_includes/doc/admin-guide/options/gRPC-keep-alive.md

@@ -1,6 +1,6 @@
 ## keep-alive()
 
-This option configures the forwarding of [gRPC keepalive pings](https://grpc.io/docs/guides/keepalive/) in syslog-ng OSE.
+This option configures the forwarding of gRPC keepalive pings in syslog-ng OSE.
 
 ### max-pings-without-data()
 

_includes/doc/admin-guide/options/hook.md

@@ -55,7 +55,7 @@ syslog-ng OSE reload, use the following options:
 
 In the following example, the hook-commands() is used with the network()
 driver and it opens an
-[iptables](https://en.wikipedia.org/wiki/Iptables) port automatically as
+iptables port automatically as
 syslog-ng OSE is started/stopped.
 
 The assumption in this example is that the LOGCHAIN chain is part of a

_includes/doc/admin-guide/options/loaders.md

@@ -10,7 +10,7 @@ external Python file. This option has no effect when the Python class is
 provided within the syslog-ng OSE configuration file (in a python{}
 block). You can use the loaders() option to modify the import mechanism
 that imports Python class. For example, that way you can use
-[hy](https://github.com/hylang/hy) in your Python class.
+hy in your Python class.
 
 ```config
 python(class(usermodule.HyParser) loaders(hy))

doc/_admin-guide/020_The_concepts_of_syslog-ng/007_The_structure_of_a_log_message/000_BSD_syslog_messages.md

@@ -3,7 +3,7 @@ title: BSD-syslog or legacy-syslog messages
 id: adm-struct-bsd
 description: >-
     This section describes the format of a syslog message, according to the
-    [legacy syslog (BSD-syslog) protocol](https://tools.ietf.org/search/rfc3164).
+    legacy syslog (BSD-syslog) protocol.
 ---
 
 A syslog message consists of the following parts:
@@ -35,7 +35,7 @@ size when using UDP destinations.
 ## The PRI message part
 
 This section describes the PRI message part of a syslog message, according to the
-[legacy syslog (BSD-syslog) protocol](https://tools.ietf.org/search/rfc3164).
+legacy syslog (BSD-syslog) protocol.
 
 The PRI part of the syslog message (known as Priority value) represents
 the Facility and Severity of the message. Facility represents the part
@@ -72,7 +72,7 @@ example:
 
 ## The HEADER message part
 
-This section describes the HEADER message part of a syslog message, according to the [legacy syslog (BSD-syslog) protocol](https://tools.ietf.org/search/rfc3164).
+This section describes the HEADER message part of a syslog message, according to the legacy syslog (BSD-syslog) protocol.
 
 The HEADER message part contains a timestamp and the hostname (without
 the domain name) or the IP address of the device. The timestamp field is
@@ -97,7 +97,7 @@ format. For details, see the ts-format() option in Global options.
 ## The MSG message part
 
 This section describes the MSG message part of a syslog message, according to
-the [legacy syslog (BSD-syslog) protocol](https://tools.ietf.org/search/rfc3164).
+the legacy syslog (BSD-syslog) protocol.
 
 The MSG part contains the name of the program or process that generated
 the message, and the text of the message itself. The MSG part is usually

doc/_admin-guide/020_The_concepts_of_syslog-ng/007_The_structure_of_a_log_message/001_IETF_syslog_messages.md

@@ -3,7 +3,7 @@ title: IETF-syslog messages
 id: adm-struct-ietf
 description: >-
     This section describes the format of a syslog message, according to the
-    [IETF-syslog protocol](https://tools.ietf.org/html/rfc5424). 
+    IETF-syslog protocol. 
 ---
 
 A syslog message consists of the following parts:

doc/_admin-guide/020_The_concepts_of_syslog-ng/011_Commercial_version.md

@@ -53,7 +53,7 @@ dedicated to resolving your issue as soon as possible when you
 experience problems.
 
 For more information about syslog-ng Premium Edition, see
-[The syslog-ng Premium Edition Administration Guide](https://support.oneidentity.com/syslog-ng-premium-edition/).
+The syslog-ng Premium Edition Administration Guide.
 
 ## syslog-ng Store Box, ready-to-use log management appliance
 
@@ -92,7 +92,7 @@ SSB provides a number of features that can add value for your use cases:
 - High availability support to ensure continuous log collection in business-critical environments.
 
 For further details about syslog-ng Store Box, see 
-[The syslog-ng Store Box Administration Guide](https://support.oneidentity.com/syslog-ng-store-box/).
+The syslog-ng Store Box Administration Guide.
 
 ## Upgrading from syslog-ng OSE to syslog-ng PE
 

doc/_admin-guide/030_Installing_syslog-ng/000_Compiling_syslog-ng_from_source.md

@@ -12,8 +12,7 @@ and other platforms, see syslog-ng Open Source Edition installation packages.
 
 ## Steps
 
-1. Download the latest version of syslog-ng OSE from
-    [GitHub](https://github.com/syslog-ng/syslog-ng/). The source code
+1. Download the latest version of syslog-ng OSE source code from GitHub. The source code
     is available as a tar.gz archive file.
 
 2. Install the following packages that are required to compile
@@ -42,7 +41,7 @@ and other platforms, see syslog-ng Open Source Edition installation packages.
             (or newer). You can use OpenJDK or Oracle JDK, other
             implementations are not tested.
 
-        - Install [gradle](https://gradle.org/install) version 2.2.1
+        - Install gradle version 2.2.1
             or newer.
 
         - Set **LD_LIBRARY_PATH** to include the libjvm.so file, for
@@ -55,7 +54,7 @@ and other platforms, see syslog-ng Open Source Edition installation packages.
 
         - If you are behind an HTTP proxy, create a gradle.properties
             under the modules/java-modules/ directory. Set the proxy
-            parameters in the file. For details, see [The Gradle User Guide](https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_properties_and_system_properties).
+            parameters in the file. For details, see The Gradle User Guide.
 
 3. If you want to post log messages as HTTP requests using the http()
     destination, install the development files of the *libcurl* library.
@@ -75,8 +74,8 @@ and other platforms, see syslog-ng Open Source Edition installation packages.
     library is not needed if you use the \--disable-snmp compile option.
 
 7. If you want to use the */etc/hosts.deny* and */etc/hosts.allow* for
-    TCP access, install the development files of the *libwrap* (also
-    called TCP-wrappers) library, [available here](http://ftp.porcupine.org/pub/security/index.html).
+    TCP access, install the development files of the libwrap (also
+    called TCP-wrappers) library.
 
 8. Enter the new directory and issue the following commands. (If the
     ./configure file does not exist, for example, because you cloned the