Default to system defined backlog value

Dockerfiles/base/data/php-fpm.conf/php-fpm-5.2.conf

@@ -40,7 +40,7 @@
 
 			<value name="listen_options">
 				Set listen(2) backlog
-				<value name="backlog">1024</value>
+				<value name="backlog">128</value>
 				Set permissions for unix socket, if one used.
 				In Linux read/write permissions must be set in order to allow connections from web server.
 				Many BSD-derrived systems allow connections regardless of permissions.

Dockerfiles/base/data/php-fpm.conf/php-fpm-5.3.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -116,4 +130,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-5.4.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-5.5.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-5.6.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-7.0.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-7.1.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-7.2.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024

Dockerfiles/base/data/php-fpm.conf/php-fpm-7.3.conf

@@ -29,12 +29,26 @@ log_level = notice
 access.log = /proc/self/fd/2
 
 
+; ############################################################
+; Backlog configuration
+; ############################################################
+
+[www]
+; A maximum of backlog incoming connections will be queued for processing.
+; If a connection request arrives with the queue full the client may receive an error with an
+; indication of ECONNREFUSED, or, if the underlying protocol supports retransmission,
+; the request may be ignored so that retries may succeed.
+
+; This should not be greater than `cat /proc/sys/net/core/somaxconn`, otherwise connections
+; are silently truncated
+listen.backlog = 128
+
+
 ; ############################################################
 ; Worker configuration
 ; ############################################################
 
 [www]
-
 ; static - the number of child processes is fixed (pm.max_children).
 ;
 ; dynamic - the number of child processes is set dynamically based on the following directives:
@@ -118,4 +132,3 @@ group = devilbox
 [www]
 ; Ensure to listen here
 listen         = 9000
-listen.backlog = 1024