diff --git a/configs/sysctl-backend.conf b/configs/sysctl-backend.conf
new file mode 100644
index 00000000..50ca3f42
--- /dev/null
+++ b/configs/sysctl-backend.conf
@@ -0,0 +1,7 @@
+net.ipv6.conf.all.disable_ipv6 = 1
+
+# Increase system file descriptor limit
+fs.file-max = 65535
+
+# Increase system IP port limits
+net.ipv4.ip_local_port_range = 2000 65000
diff --git a/configs/sysctl-frontend.conf b/configs/sysctl-frontend.conf
new file mode 100644
index 00000000..8c07035a
--- /dev/null
+++ b/configs/sysctl-frontend.conf
@@ -0,0 +1,8 @@
+net.ipv4.ip_forward = 1
+net.ipv6.conf.all.disable_ipv6 = 1
+
+# Increase system file descriptor limit
+fs.file-max = 65535
+
+# Increase system IP port limits
+net.ipv4.ip_local_port_range = 2000 65000
diff --git a/fickit-backend.yml b/fickit-backend.yml
index 45eb8b74..07102980 100644
--- a/fickit-backend.yml
+++ b/fickit-backend.yml
@@ -15,9 +15,10 @@ onboot:
     image: linuxkit/modprobe:v0.6
     command: ["/bin/sh", "-c", "modprobe e1000e"]
 
-#  - name: sysctl
-#    image: linuxkit/sysctl:v0.6
-#    command: ["/usr/bin/sysctl", "-w", "net.ipv6.conf.all.disable_ipv6=1"]
+  - name: sysctl
+    image: linuxkit/sysctl:v0.6
+    binds:
+      - /etc/sysctl.d/01-fic.conf:/etc/sysctl.d/01-fic.conf:ro
 
     # Filesystem
   - name: swap
@@ -242,6 +243,10 @@ services:
     uts: new
 
 files:
+  - path: etc/sysctl.d/01-fic.conf
+    source: configs/sysctl-backend.conf
+    mode: "0444"
+
   - path: root/synchro.sh
     source: configs/synchro.sh
     mode: "0755"
diff --git a/fickit-frontend.yml b/fickit-frontend.yml
index 80910d6d..19e8fa50 100644
--- a/fickit-frontend.yml
+++ b/fickit-frontend.yml
@@ -15,8 +15,10 @@ onboot:
     image: linuxkit/modprobe:v0.6
     command: ["/bin/sh", "-c", "modprobe r8169;"]
 
-#  - name: sysctl
-#    image: linuxkit/sysctl:v0.6
+  - name: sysctl
+    image: linuxkit/sysctl:v0.6
+    binds:
+      - /etc/sysctl.d/01-fic.conf:/etc/sysctl.d/01-fic.conf:ro
 
     # Filesystem
   - name: swap
@@ -204,6 +206,10 @@ services:
 
 
 files:
+  - path: etc/sysctl.d/01-fic.conf
+    source: configs/sysctl-frontend.conf
+    mode: "0444"
+
   - path: etc/nginx/ssl/dhparams-4096.pem
     source: configs/dhparams-4096.pem
     mode: "0444"