--- /dev/null
+# -*- shell-script -*-
+#
+# Configuration file for ferm(1).
+#
+# V: 0.1
+#
+# ferm manual: http://ferm.foo-projects.org/download/2.2/ferm.html
+# Blog post: https://blog.ipredator.se/linux-firewall-howto.html
+#
+
+# Really make sure that these modules exist and are loaded.
+@hook pre "/sbin/modprobe nf_conntrack_ftp";
+@hook pre "/sbin/modprobe nfnetlink_log";
+
+# Network interfaces.
+#@def $DEV_LAN = eth0;
+@def $DEV_LAN = ens3;
+@def $DEV_LOOPBACK = lo0;
+@def $DEV_VPN = tun0;
+
+# Network definition for the loopback device. This is needed to allow
+# DNS resolution on Ubuntu Linux where the local resolver is bound
+# to 127.0.1.1 - as opposed to the default 127.0.0.1.
+@def $NET_LOOPBACK = 127.0.0.0/8;
+
+# Common application ports.
+@def $PORT_DNS = 53;
+@def $PORT_FTP = ( 20 21 );
+@def $PORT_NTP = 123;
+@def $PORT_SSH = 22;
+@def $PORT_WEB = ( 80 443 );
+
+# The ports we allow OpenVPN to connect to. IPredator allows you
+# to connect on _any_ port. Simply add more ports if desired but
+# stick to only those that you really need.
+@def $PORT_OPENVPN = (1194 1234 1337 2342 5060);
+
+# See https://blog.ipredator.se/howto/restricting-transmission-to-the-vpn-interface-on-ubuntu-linux.html
+# Ports Transmission is allowed to use.
+@def $PORT_TRANSMISSION = 16384:65535;
+
+# Public DNS servers and those that are only reachable via VPN.
+# DNS servers are specified in the outbound DNS rules to prevent DNS leaks
+# (https://www.dnsleaktest.com/). The public DNS servers configured on your
+# system should be the IPredator ones (https://www.ipredator.se/page/services#service_dns),
+# but you need to verify this.
+#
+@def $IP_DNS_IPR_PUBLIC = (194.132.32.32/32 46.246.46.246/32);
+
+# Add your ISP name server to this object if you want to restrict
+# which DNS servers can be queried.
+@def $IP_DNS_PUBLIC = 0.0.0.0/0;
+
+# DNS server available within the VPN.
+@def $IP_DNS_VPN = ( 46.246.46.46/32 194.132.32.23/32 );
+
+# Make sure to use the proper VPN interface (e.g. tun0 in this case).
+# Note: You cannot reference $DEV_VPN here, substition does not take
+# place for commands passed to a sub shell.
+@def $VPN_ACTIVE = `ip link show tun0 >/dev/null 2>/dev/null && echo 1 || echo`;
+
+# VPN interface conditional. If true the following rules are loaded.
+@if $VPN_ACTIVE {
+ domain ip {
+ table filter {
+ chain INPUT {
+ interface $DEV_VPN {
+ proto (tcp udp) dport $PORT_TRANSMISSION ACCEPT;
+ }
+ }
+ chain OUTPUT {
+ # Default allowed outbound services on the VPN interface.
+ # If you need more simply add your rules here.
+ outerface $DEV_VPN {
+ proto (tcp udp) daddr ( $IP_DNS_VPN $IP_DNS_IPR_PUBLIC ) dport $PORT_DNS ACCEPT;
+ proto tcp dport $PORT_FTP ACCEPT;
+ proto udp dport $PORT_NTP ACCEPT;
+ proto tcp dport $PORT_SSH ACCEPT;
+ proto (tcp udp) sport $PORT_TRANSMISSION ACCEPT;
+ proto tcp dport $PORT_WEB ACCEPT;
+ }
+ }
+ }
+ }
+}
+
+# The main IPv4 rule set.
+domain ip {
+ table filter {
+ chain INPUT {
+ # The default policy for the chain. Usually ACCEPT or DROP or REJECT.
+ policy DROP;
+
+ # Connection tracking.
+ mod state state INVALID DROP;
+ mod state state (ESTABLISHED RELATED) ACCEPT;
+
+ # Allow local traffic to loopback interface.
+ daddr $NET_LOOPBACK ACCEPT;
+
+ # Allow inbound SSH on your LAN interface _only_.
+ interface $DEV_LAN {
+ proto tcp dport $PORT_SSH ACCEPT;
+ }
+
+ # Respond to ping ... makes debugging easier.
+ proto icmp icmp-type echo-request ACCEPT;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+
+ chain OUTPUT {
+ policy DROP;
+
+ # Connection tracking.
+ mod state state INVALID DROP;
+ mod state state (ESTABLISHED RELATED) ACCEPT;
+
+ # Allow local traffic from the loopback interface.
+ saddr $NET_LOOPBACK ACCEPT;
+
+ # Respond to ping.
+ proto icmp icmp-type echo-request ACCEPT;
+
+ # Allowed services on the LAN interface.
+ outerface $DEV_LAN {
+ proto (tcp udp) daddr $IP_DNS_PUBLIC dport $PORT_DNS ACCEPT;
+ proto udp dport $PORT_NTP ACCEPT;
+ proto (tcp udp) dport $PORT_OPENVPN ACCEPT;
+ proto tcp dport $PORT_SSH ACCEPT;
+ }
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+
+ chain FORWARD {
+ policy DROP;
+
+ # If you use your machine to route traffic eg.
+ # from a VM you have to add rules here!
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ }
+}
+
+# IPv6 is generally disabled, communication on the loopback device is allowed.
+domain ip6 {
+ table filter {
+ chain INPUT {
+ policy DROP;
+
+ # Allow local traffic.
+ interface $DEV_LOOPBACK ACCEPT;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ chain OUTPUT {
+ policy DROP;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ chain FORWARD {
+ policy DROP;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ }
+}
--- /dev/null
+KERNEL=="tun0", ACTION=="add", RUN+="/usr/local/bin/fermreload.sh add"
+KERNEL=="tun0", ACTION=="remove", RUN+="/usr/local/bin/fermreload.sh remove"
--- /dev/null
+#!/bin/bash
+#
+# fermreload.sh
+# V: 0.1
+#
+# Reloads the ferm firewall ruleset and is invoked by
+# the udev via /etc/udev/rules.d/81-vpn-firewall.rules.
+#
+# IPredator 2014
+# Released under the Kopimi license.
+#
+# Blog post: https://blog.ipredator.se/linux-firewall-howto.html
+#
+
+LOGGER=/usr/bin/logger
+LOGGER_TAG=$0
+
+UDEV_ACTION=$1
+
+FERM=/usr/sbin/ferm
+FERM_CONF=/etc/ferm/ferm.conf
+
+MSG_FW_RULE_ADD="Adding VPN firewall rules."
+MSG_FW_RULE_REMOVE="Removing VPN firewall rules."
+MSG_UDEV_ACTION_UNKNOWN="Unknown udev action."
+
+case "$UDEV_ACTION" in
+ add)
+ $LOGGER -t $LOGGER_TAG $MSG_FW_RULE_ADD
+ $FERM $FERM_CONF
+ ;;
+ remove)
+ $LOGGER -t $LOGGER_TAG $MSG_FW_RULE_REMOVE
+ $FERM $FERM_CONF
+ ;;
+ *)
+ $LOGGER -t $LOGGER_TAG $MSG_UDEV_ACTION_UNKNOWN
+ exit 1
+esac
--- /dev/null
+#!/usr/bin/env bash
+#
+# Full desktop provision example
+#
+# Copyright (C) 2017 Silvio Rhatto - rhatto at riseup.net
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published
+# by the Free Software Foundation, either version 3 of the License,
+# or any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# Parameters
+SHARE="$1"
+LIB="$2"
+
+# Include basic functions
+. $LIB/trashman/functions || exit 1
+. $LIB/trashman/debian || exit 1
+
+# Requirements
+trashman_apt_install openvpn resolvconf dnsutils curl
+
+# Firewall
+trashman_apt_install ferm ulogd2 ulogd2-pcap
+cp $SHARE/njalla-openvpn/unix/linux/debian/files/etc/ferm/ferm.conf /etc/ferm
+cp $SHARE/njalla-openvpn/unix/linux/debian/files/etc/udev/rules.d/81-vpn-firewall.rules /etc/udev/rules.d
+cp $SHARE/njalla-openvpn/unix/linux/debian/files/usr/local/bin/fermreload.sh /usr/local/bin
+chmod 555 /usr/local/bin/fermreload.sh
+sed -i -e 's/^ENABLED=.*$/ENABLED="yes"/' /etc/default/ferm
+service ferm restart
+
+# Njalla
+#sudo cp $DIRNAME/files/njalla/etc/openvpn/njalla.conf /etc/openvpn
+#sudo touch /etc/openvpn/njalla.auth
+#sudo chown root:root /etc/openvpn/njalla.conf
+#sudo chown root:root /etc/openvpn/njalla.auth
+#sudo chmod 400 /etc/openvpn/njalla.conf
+#sudo chmod 400 /etc/openvpn/njalla.auth
+#echo "Please set user/password at /etc/openvpn/njalla.auth"
+echo "Please configure /etc/openvpn/njalla.conf"
--- /dev/null
+# -*- shell-script -*-
+#
+# Configuration file for ferm(1).
+#
+# V: 0.1
+#
+# ferm manual: http://ferm.foo-projects.org/download/2.2/ferm.html
+# Blog post: https://blog.ipredator.se/linux-firewall-howto.html
+#
+
+# Really make sure that these modules exist and are loaded.
+@hook pre "/sbin/modprobe nf_conntrack_ftp";
+@hook pre "/sbin/modprobe nfnetlink_log";
+
+# Network interfaces.
+#@def $DEV_LAN = eth0;
+@def $DEV_LAN = ens3;
+@def $DEV_LOOPBACK = lo0;
+@def $DEV_VPN = wg0;
+
+# Network definition for the loopback device. This is needed to allow
+# DNS resolution on Ubuntu Linux where the local resolver is bound
+# to 127.0.1.1 - as opposed to the default 127.0.0.1.
+@def $NET_LOOPBACK = 127.0.0.0/8;
+
+# Common application ports.
+@def $PORT_DNS = 53;
+@def $PORT_FTP = ( 20 21 );
+@def $PORT_NTP = 123;
+@def $PORT_SSH = 22;
+@def $PORT_WEB = ( 80 443 );
+
+# The ports we allow to connect to.
+@def $PORT_WIREGUARD = ( 51820 );
+
+# See https://blog.ipredator.se/howto/restricting-transmission-to-the-vpn-interface-on-ubuntu-linux.html
+# Ports Transmission is allowed to use.
+@def $PORT_TRANSMISSION = 16384:65535;
+
+# Public DNS servers and those that are only reachable via VPN.
+# DNS servers are specified in the outbound DNS rules to prevent DNS leaks
+# (https://www.dnsleaktest.com/). The public DNS servers configured on your
+# system should be the IPredator ones (https://www.ipredator.se/page/services#service_dns),
+# but you need to verify this.
+#
+@def $IP_DNS_IPR_PUBLIC = ( 95.215.19.53/32 );
+
+# Add your ISP name server to this object if you want to restrict
+# which DNS servers can be queried.
+@def $IP_DNS_PUBLIC = 0.0.0.0/0;
+
+# DNS server available within the VPN.
+@def $IP_DNS_VPN = ( 95.215.19.53/32 );
+
+# Make sure to use the proper VPN interface (e.g. wg0 in this case).
+# Note: You cannot reference $DEV_VPN here, substition does not take
+# place for commands passed to a sub shell.
+@def $VPN_ACTIVE = `ip link show wg0 >/dev/null 2>/dev/null && echo 1 || echo`;
+
+# VPN interface conditional. If true the following rules are loaded.
+@if $VPN_ACTIVE {
+ domain ip {
+ table filter {
+ chain INPUT {
+ interface $DEV_VPN {
+ proto (tcp udp) dport $PORT_TRANSMISSION ACCEPT;
+ }
+ }
+ chain OUTPUT {
+ # Default allowed outbound services on the VPN interface.
+ # If you need more simply add your rules here.
+ outerface $DEV_VPN {
+ proto (tcp udp) daddr ( $IP_DNS_VPN $IP_DNS_IPR_PUBLIC ) dport $PORT_DNS ACCEPT;
+ proto tcp dport $PORT_FTP ACCEPT;
+ proto udp dport $PORT_NTP ACCEPT;
+ proto tcp dport $PORT_SSH ACCEPT;
+ proto (tcp udp) sport $PORT_TRANSMISSION ACCEPT;
+ proto tcp dport $PORT_WEB ACCEPT;
+ }
+ }
+ }
+ }
+}
+
+# The main IPv4 rule set.
+domain ip {
+ table filter {
+ chain INPUT {
+ # The default policy for the chain. Usually ACCEPT or DROP or REJECT.
+ policy DROP;
+
+ # Connection tracking.
+ mod state state INVALID DROP;
+ mod state state (ESTABLISHED RELATED) ACCEPT;
+
+ # Allow local traffic to loopback interface.
+ daddr $NET_LOOPBACK ACCEPT;
+
+ # Allow inbound SSH on your LAN interface _only_.
+ interface $DEV_LAN {
+ proto tcp dport $PORT_SSH ACCEPT;
+ }
+
+ # Respond to ping ... makes debugging easier.
+ proto icmp icmp-type echo-request ACCEPT;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+
+ chain OUTPUT {
+ policy DROP;
+
+ # Connection tracking.
+ mod state state INVALID DROP;
+ mod state state (ESTABLISHED RELATED) ACCEPT;
+
+ # Allow local traffic from the loopback interface.
+ saddr $NET_LOOPBACK ACCEPT;
+
+ # Respond to ping.
+ proto icmp icmp-type echo-request ACCEPT;
+
+ # Allowed services on the LAN interface.
+ outerface $DEV_LAN {
+ proto (tcp udp) daddr $IP_DNS_PUBLIC dport $PORT_DNS ACCEPT;
+ proto udp dport $PORT_NTP ACCEPT;
+ proto (tcp udp) dport $PORT_WIREGUARD ACCEPT;
+ proto tcp dport $PORT_SSH ACCEPT;
+ }
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+
+ chain FORWARD {
+ policy DROP;
+
+ # If you use your machine to route traffic eg.
+ # from a VM you have to add rules here!
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ }
+}
+
+# IPv6 is generally disabled, communication on the loopback device is allowed.
+domain ip6 {
+ table filter {
+ chain INPUT {
+ policy DROP;
+
+ # Allow local traffic.
+ interface $DEV_LOOPBACK ACCEPT;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ chain OUTPUT {
+ policy DROP;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ chain FORWARD {
+ policy DROP;
+
+ # Log dropped packets.
+ NFLOG nflog-group 1;
+ DROP;
+ }
+ }
+}
--- /dev/null
+KERNEL=="wg0", ACTION=="add", RUN+="/usr/local/bin/fermreload.sh add"
+KERNEL=="wg0", ACTION=="remove", RUN+="/usr/local/bin/fermreload.sh remove"
--- /dev/null
+#!/bin/bash
+#
+# fermreload.sh
+# V: 0.1
+#
+# Reloads the ferm firewall ruleset and is invoked by
+# the udev via /etc/udev/rules.d/81-vpn-firewall.rules.
+#
+# IPredator 2014
+# Released under the Kopimi license.
+#
+# Blog post: https://blog.ipredator.se/linux-firewall-howto.html
+#
+
+LOGGER=/usr/bin/logger
+LOGGER_TAG=$0
+
+UDEV_ACTION=$1
+
+FERM=/usr/sbin/ferm
+FERM_CONF=/etc/ferm/ferm.conf
+
+MSG_FW_RULE_ADD="Adding VPN firewall rules."
+MSG_FW_RULE_REMOVE="Removing VPN firewall rules."
+MSG_UDEV_ACTION_UNKNOWN="Unknown udev action."
+
+case "$UDEV_ACTION" in
+ add)
+ $LOGGER -t $LOGGER_TAG $MSG_FW_RULE_ADD
+ $FERM $FERM_CONF
+ ;;
+ remove)
+ $LOGGER -t $LOGGER_TAG $MSG_FW_RULE_REMOVE
+ $FERM $FERM_CONF
+ ;;
+ *)
+ $LOGGER -t $LOGGER_TAG $MSG_UDEV_ACTION_UNKNOWN
+ exit 1
+esac
--- /dev/null
+#!/usr/bin/env bash
+#
+# Full desktop provision example
+#
+# Copyright (C) 2017 Silvio Rhatto - rhatto at riseup.net
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published
+# by the Free Software Foundation, either version 3 of the License,
+# or any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# Parameters
+SHARE="$1"
+LIB="$2"
+
+# Include basic functions
+. $LIB/trashman/functions || exit 1
+. $LIB/trashman/debian || exit 1
+
+# Requirements
+trashman_apt_install wireguard-tools resolvconf dnsutils curl
+
+# Firewall
+$APT_INSTALL ferm ulogd2 ulogd2-pcap
+cp $SHARE/njalla-wireguard/unix/linux/debian/files/etc/ferm/ferm.conf /etc/ferm
+cp $SHARE/njalla-wireguard/unix/linux/debian/files/etc/udev/rules.d/81-vpn-firewall.rules /etc/udev/rules.d
+cp $SHARE/njalla-wireguard/unix/linux/debian/files/usr/local/bin/fermreload.sh /usr/local/bin
+chmod 555 /usr/local/bin/fermreload.sh
+sed -i -e 's/^ENABLED=.*$/ENABLED="yes"/' /etc/default/ferm
+service ferm restart
+
+# Njalla
+echo "Please configure /etc/wireguard/ng0.conf"
--- /dev/null
+[Unit]
+Description=riseup-vpn service
+After=network.target
+
+[Service]
+Type=simple
+Restart=always
+ExecStart=/snap/bin/riseup-vpn.launcher
+
+[Install]
+WantedBy=multi-user.target
# Riseup VPN
snap install --classic riseup-vpn
+# Systemd service
+cp $SHARE/riseup-vpn/files/etc/systemd/system/riseup-vpn.service /etc/systemd/system
+chown root. /etc/systemd/system/riseup-vpn.service
+systemctl daemon-reload
+systemctl enable --now riseup-vpn.service
+systemctl start riseup-vpn.service
+
# To launch manually as a regular user
# See https://riseup.net/en/vpn/linux
#/snap/bin/riseup-vpn.launcher
projects / trashman.git / commitdiff