From 532d2f179ef8a697b1bfd87e625fa227993960d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C5=A1per=20Spagnolo?= <gasper.spagnolo@outlook.com>
Date: Wed, 5 Apr 2023 12:55:17 +0200
Subject: [PATCH] Update files and additional material added

---
 README.md                    |  4 ++++
 vg/Vagrantfile               |  4 ++--
 vg/playbooks/server_init.yml | 13 +++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 33065f1..7cebff6 100644
--- a/README.md
+++ b/README.md
@@ -43,4 +43,8 @@ zathura report/report.pdf
 ```bash
 wireshark pcap/eth1_traffic.pcap # public interface (encrypted traffic)
 wiershark pcap/wg0_traffic.pcap # wireguard interface (decrypted traffic)
+wiershark pcap/keep_alive.pcap # public interface (encrypted traffic, keepalive packets)
 ```
+
+## Good resource about wireguard
+- [github](https://github.com/pirate/wireguard-docs)
diff --git a/vg/Vagrantfile b/vg/Vagrantfile
index 5626829..5ed3645 100644
--- a/vg/Vagrantfile
+++ b/vg/Vagrantfile
@@ -17,9 +17,9 @@ Vagrant.configure("2") do |config|
       kvm.memory_size = '2048m'
     end
     rootNode.vm.provider :libvirt do |libvirt, override|
-      libvirt.memory = 2048
+      libvirt.memory = 1024 
       libvirt.nested = true
-      libvirt.cpus = 2
+      libvirt.cpus = 1
     end
 
     # Ansible provisioning
diff --git a/vg/playbooks/server_init.yml b/vg/playbooks/server_init.yml
index 6967a42..9ac1e41 100644
--- a/vg/playbooks/server_init.yml
+++ b/vg/playbooks/server_init.yml
@@ -148,3 +148,16 @@
     - name: Add each peer to root node configuration
       ansible.builtin.shell: "wg set wg0 peer {{ peer_node_pubkeys[item] }} allowed-ips 10.6.0.{{ item+2 }}"
       loop: "{{ range(0, n_peer_nodes) | list }}" 
+
+
+# Enable IP forwarding on the peer through which other devices on the network will connect to WireGuard peer
+# sysctl -w net.ipv4.ip_forward=1
+# sysctl -w net.ipv6.conf.all.forwarding=1
+#
+#
+#
+# ENABLE LOGGING FOR DEBUGGING
+# modprobe wireguard
+# echo module wireguard +p > /sys/kernel/debug/dynamic_debug/control
+# dmesg -wH
+