diff --git a/conf/90-transmission.conf b/conf/90-transmission.conf
new file mode 100644
index 0000000..718730e
--- /dev/null
+++ b/conf/90-transmission.conf
@@ -0,0 +1,5 @@
+# These settings affect the size of the buffers for send and receive sockets.
+# Size of receive socket buffer
+net.core.rmem_max = 4194304
+# Size of send socket buffer
+net.core.wmem_max = 1048576
diff --git a/scripts/backup b/scripts/backup
index 1de0df9..a20a6a9 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -42,6 +42,7 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_script_progression --message="Backing up transmission configuration..."
 
 ynh_backup --src_path="/etc/transmission-daemon/settings.json"
+ynh_backup --src_path="/etc/sysctl.d/90-transmission.conf"
 
 #=================================================
 # BACKUP DATA
diff --git a/scripts/install b/scripts/install
index 743f9d9..d2a7009 100644
--- a/scripts/install
+++ b/scripts/install
@@ -118,7 +118,6 @@ ynh_systemd_action --service_name=transmission-daemon --action=stop
 rpcpassword=$(ynh_string_random)
 ynh_app_setting_set --app=$app --key=rpcpassword --value="$rpcpassword"
 
-
 ynh_replace_string --match_string="__RPC_PASSWORD_TO_CHANGE__" --replace_string="$rpcpassword" --target_file=../conf/settings.json
 if [ "$path_url" != "/" ]
 then
@@ -130,11 +129,17 @@ ynh_replace_string --match_string="__PEER_PORT__" --replace_string="$peer_port"
 ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file=../conf/settings.json
 cp ../conf/settings.json /etc/transmission-daemon/settings.json
 
+cp ../conf/90-transmission.conf /etc/sysctl.d/90-transmission.conf
+if [ ${PACKAGE_CHECK_EXEC:-0} -eq 0 ]; then
+    sysctl --load=/etc/sysctl.d/90-transmission.conf
+fi
+
 #=================================================
 # STORE THE CHECKSUM OF THE CONFIG FILE
 #=================================================
 
 ynh_store_file_checksum --file=/etc/transmission-daemon/settings.json
+ynh_store_file_checksum --file=/etc/sysctl.d/90-transmission.conf
 
 #=================================================
 # YUNOHOST MULTIMEDIA INTEGRATION
diff --git a/scripts/remove b/scripts/remove
index 230f7bd..5fc03e2 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -75,6 +75,11 @@ ynh_script_progression --message="Removing transmission data..."
 ynh_secure_remove --file=/usr/share/transmission
 # And data
 ynh_secure_remove --file=/var/lib/transmission-daemon
+# Kernel parameters
+ynh_secure_remove --file=/etc/sysctl.d/90-transmission.conf
+if [ ${PACKAGE_CHECK_EXEC:-0} -eq 0 ]; then
+    sysctl --load=/etc/sysctl.d/90-transmission.conf
+fi
 
 #=================================================
 # GENERIC FINALISATION
diff --git a/scripts/restore b/scripts/restore
index 4dfeaeb..a7b7a12 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -73,6 +73,11 @@ ynh_systemd_action --service_name=transmission-daemon --action=stop
 ynh_secure_remove --file=/etc/transmission-daemon/settings.json
 ynh_restore_file --origin_path=/etc/transmission-daemon/settings.json
 
+ynh_restore_file --origin_path="/etc/sysctl.d/90-transmission.conf"
+if [ ${PACKAGE_CHECK_EXEC:-0} -eq 0 ]; then
+    sysctl --load=/etc/sysctl.d/90-transmission.conf
+fi
+
 #=================================================
 # RESTORE DATA
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 2c4ca9e..9ad3d67 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -134,12 +134,21 @@ ynh_replace_string --match_string="__PEER_PORT__" --replace_string="$peer_port"
 ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file=../conf/settings.json
 cp ../conf/settings.json /etc/transmission-daemon/settings.json
 
+# Verify the checksum and backup the file if it's different
+ynh_backup_if_checksum_is_different --file=/etc/sysctl.d/90-transmission.conf
+
+cp ../conf/90-transmission.conf /etc/sysctl.d/90-transmission.conf
+if [ ${PACKAGE_CHECK_EXEC:-0} -eq 0 ]; then
+    sysctl --load=/etc/sysctl.d/90-transmission.conf
+fi
+
 #=================================================
 # STORE THE CHECKSUM OF THE CONFIG FILE
 #=================================================
 
 # Recalculate and store the config file checksum into the app settings
 ynh_store_file_checksum --file=/etc/transmission-daemon/settings.json
+ynh_store_file_checksum --file=/etc/sysctl.d/90-transmission.conf
 
 #=================================================
 # YUNOHOST MULTIMEDIA INTEGRATION