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Redesign.

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This commit is contained in:
Christoph 2017-07-23 19:04:59 +02:00
parent 619def5ac5
commit bcdbea4755
5 changed files with 1088 additions and 1117 deletions
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378
build_key-pass.sh
View File

@ -1,17 +1,39 @@
#!/usr/bin/env bash
script_dir="$(dirname $(realpath $0))"
conf_file=${script_dir}/conf/install_openvpn.conf
log_file="$(mktemp)"
_date="$(date +%Y-%m-%d-%H%M)"
key_names_reserverd="ta ca server"
#---------------------------------------
#-----------------------------
# Base Function(s)
# Some functions
#-----------------------------
#---------------------------------------
clean_up() {
# Perform program exit housekeeping
rm $log_file
exit $1
}
is_number() {
return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
# - also possible
# -
#[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
#return $([[ ! -z "${1##*[!0-9]*}" ]])
}
is_int() {
return $(test "$@" -eq "$@" > /dev/null 2>&1);
}
echononl(){
echo X\\c > /tmp/shprompt$$
if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
@ -22,19 +44,19 @@ echononl(){
rm /tmp/shprompt$$
}
error(){
echo ""
echo -e "\t[ \033[31m\033[1mError\033[m ]: $*"
echo ""
}
fatal(){
echo ""
echo -e "\t[ \033[31m\033[1mFatal\033[m ]: $*"
echo ""
echo -e "\t\033[37m\033[1mInstalllation will be interrupted\033[m\033[m"
echo ""
exit 1
}
error(){
echo ""
echo -e "\t[ \033[31m\033[1mError\033[m ]: $*"
echo ""
clean_up 1
}
warn (){
@ -48,7 +70,6 @@ info (){
echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
echo ""
}
echo_done() {
echo -e "\033[80G[ \033[32mdone\033[m ]"
}
@ -65,7 +86,98 @@ echo_skipped() {
echo -e "\033[80G[ \033[37mskipped\033[m ]"
}
trap clean_up SIGHUP SIGINT SIGTERM
clear
echo ""
echo -e "\033[21G\033[32mCreate OpenVPN user certificate/key.. \033[m"
echo ""
echo ""
declare -a conf_file_arr=()
declare -a conf_name_arr=()
for _conf_file in `ls ${script_dir}/conf/server-*.conf 2>/dev/null` ; do
conf_file_arr+=("${_conf_file}")
_basename=$(basename $_conf_file)
_tmp_name=${_basename%%.*}
_tmp_name=${_tmp_name#*-}
conf_name_arr+=("$_tmp_name")
done
if [[ ${#conf_file_arr[@]} -lt 1 ]] ; then
fatal "NO Configuration found!"
fi
echo ""
declare -i i=0
if [[ ${#conf_file_arr[@]} -gt 1 ]] ; then
echo ""
echo "Which Configuration should be loaded?"
echo ""
for _conf_file in ${conf_file_arr[@]} ; do
echo " [${i}] ${conf_name_arr[${i}]}"
(( i++ ))
done
_OK=false
echo
echononl "Eingabe: "
while ! $_OK ; do
read _IN
if is_number "$_IN" && [[ -n ${conf_file_arr[$_IN]} ]]; then
conf_file=${conf_file_arr[$_IN]}
_OK=true
else
echo ""
echo -e "\tFalsche Eingabe !"
echo ""
echononl "Eingabe: "
fi
done
else
conf_file=${conf_file_arr[0]}
fi
echo ""
echo -e "\033[32m--\033[m"
echo ""
#---------------------------------------
#-----------------------------
# Read Configurations from $conf_file
#-----------------------------
#---------------------------------------
echononl " Load Configuration File $(basename ${conf_file}).."
if [[ ! -f "$conf_file" ]]; then
echo_failed
fatal "Configuration file \033[37m\033[1m$(basename ${conf_file})\033[m not found!"
else
source "${conf_file}" > $log_file 2>&1
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
fi
[[ -n "$OPENVPN_SERVER" ]] || fatal "OpenVPN Server (parameter OPENVPN_SERVER ) not present!"
[[ -n "$SERVER_PORT" ]] || fatal "Server Port (parameter SERVER_PORT ) not present!"
EASY_RSA_DIR="${OPENVPN_BASE_DIR}/easy-rsa"
OPENVPN_CCD_DIR="${OPENVPN_BASE_DIR}/ccd/server-${OPENVPN_NAME}"
EMAIL_PREFIX="$(echo $KEY_EMAIL | cut -d '\' -f1)"
EMAIL_DOMAIN="$(echo $KEY_EMAIL | cut -d '@' -f2)"
echo ""
echo -e "\033[32m--\033[m"
echo ""
@ -83,6 +195,10 @@ if [ -z "$NEW_KEY_NAME" ]; then
done
fi
for _name in $key_names_reserverd ; do
[[ "$_name" = "$NEW_KEY_NAME" ]] && fatal "Name '$NEW_KEY_NAME' cannot be used - its a reserved name!"
done
echo ""
echo -e "\033[32m--\033[m"
echo ""
@ -109,6 +225,19 @@ do
fi
done
echo ""
echo -e "\033[32m--\033[m"
echo ""
echo "OpenVPN name............: $OPENVPN_NAME"
echo ""
echo "OpenVPN Server..........: $OPENVPN_SERVER"
echo ""
echo "OpenVPN Base directory..: $OPENVPN_BASE_DIR"
echo ""
echo ""
echo "Key Name................: $NEW_KEY_NAME"
echo "Key Password............: $KEY_PW"
info "Going to create key \033[37m\033[1m${NEW_KEY_NAME}.key\033[m.."
echo -n "To continue type uppercase 'YES': "
read OK
@ -119,26 +248,6 @@ fi
#---------------------------------------
#-----------------------------
# Read Configurations from $conf_file
#-----------------------------
#---------------------------------------
echononl " Load configuration file.."
if [[ ! -f "$conf_file" ]]; then
echo_failed
fatal "Configuration file \033[37m\033[1m$(basename ${conf_file})\033[m not found!"
else
source "${conf_file}"
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
fi
#---------------------------------------
#-----------------------------
@ -208,6 +317,199 @@ else
error "$(cat $log_file)"
fi
_client_conf_file="${OPENVPN_BASE_DIR}/${NEW_KEY_NAME}.conf.sample"
echononl " Create sample client configuration ${_client_conf_file}.."
cat << EOF > "$_client_conf_file" 2> $log_file
##############################################
# Sample client-side OpenVPN 2.0 config file #
# for connecting to multi-client server. #
# #
# This configuration can be used by multiple #
# clients, however each client should have #
# its own cert and key files. #
# #
# On Windows, you might want to rename this #
# file so it has a .ovpn extension #
##############################################
# Specify that we are a client and that we
# will be pulling certain config file directives
# from the server.
client
# Use the same setting as you are using on
# the server.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun
# Are we connecting to a TCP or
# UDP server? Use the same setting as
# on the server
proto udp
# The hostname/IP and port of the server.
# You can have multiple remote entries
# to load balance between the servers.
remote $OPENVPN_SERVER $SERVER_PORT
topology subnet
# Keep trying indefinitely to resolve the
# host name of the OpenVPN server. Very useful
# on machines which are not permanently connected
# to the internet such as laptops.
resolv-retry infinite
# Most clients don't need to bind to
# a specific local port number.
nobind
# Try to preserve some state across restarts.
persist-key
persist-tun
# Server CA
<ca>
EOF
_file="${OPENVPN_BASE_DIR}/keys/ca.crt"
_found=false
while IFS='' read -r line || [[ -n $line ]]; do
if [[ "$line" =~ "-----BEGIN" ]] ; then
_found=true
fi
if $_found ; then
echo "$line" >> "$_client_conf_file"
fi
if [[ "$line" =~ "-----END" ]]; then
_found=false
fi
done < $_file
cat << EOF >> "$_client_conf_file" 2> $log_file
</ca>
# Client Certificate
<cert>
EOF
_file="${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.crt"
_found=false
while IFS='' read -r line || [[ -n $line ]]; do
if [[ "$line" =~ "-----BEGIN" ]] ; then
_found=true
fi
if $_found ; then
echo "$line" >> "$_client_conf_file"
fi
if [[ "$line" =~ "-----END" ]]; then
_found=false
fi
done < $_file
cat << EOF >> "$_client_conf_file" 2> $log_file
</cert>
# Client Key
<key>
EOF
_file="${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.key"
_found=false
while IFS='' read -r line || [[ -n $line ]]; do
if [[ "$line" =~ "-----BEGIN" ]] ; then
_found=true
fi
if $_found ; then
echo "$line" >> "$_client_conf_file"
fi
if [[ "$line" =~ "-----END" ]]; then
_found=false
fi
done < $_file
cat << EOF >> "$_client_conf_file" 2> $log_file
</key>
# Verify server certificate by checking
# that the certicate has the nsCertType
# field set to "server". This is an
# important precaution to protect against
# a potential attack discussed here:
# http://openvpn.net/howto.html#mitm
#
# To use this feature, you will need to generate
# your server certificates with the nsCertType
# field set to "server". The build-key-serve
ns-cert-type server
# If a tls-auth key is used on the server
# then every client must also have the key.
#
# Don't forget to set the 'key-direction' Parameter if using
# Inline Key. Usualy , sever has key direction '0', while client
# has ke direction '1'.
#
key-direction 1
<tls-auth>
EOF
_file="${OPENVPN_BASE_DIR}/keys/ta.key"
_found=false
while IFS='' read -r line || [[ -n $line ]]; do
if [[ "$line" =~ "-----BEGIN" ]] ; then
_found=true
fi
if $_found ; then
echo "$line" >> "$_client_conf_file"
fi
if [[ "$line" =~ "-----END" ]]; then
_found=false
fi
done < $_file
cat << EOF >> "$_client_conf_file" 2> $log_file
</tls-auth>
# Select a cryptographic cipher.
# If the cipher option is used on the server
# then you must also specify it here.
EOF
if [[ -n "$SERVER_CIPHER" ]]; then
cat <<EOF >> "$_client_conf_file" 2>> "$log_file"
cipher AES-256-CBC
EOF
fi
cat <<EOF >> "$_client_conf_file" 2>> "$log_file"
# Enable compression on the VPN link.
# Don't enable this unless it is also
# enabled in the server config file.
comp-lzo
# Verbosity level.
# 0 -- quiet except for fatal errors.
# 1 -- mostly quiet, but display non-fatal network errors.
# 3 -- medium output, good for normal operation.
# 9 -- verbose, good for troubleshooting
verb 1
# Setting 'pull' on the client takes care to get the 'push' durectives
# from the server
pull
EOF
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
#error "$(cat $log_file)"
fi
echo ""
@ -260,19 +562,23 @@ if $_copy_to_user_home_dir ; then
if [[ $? -ne 0 ]] ; then
_failed=true
fi
cp -a ${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.key "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
cp -a "${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.key" "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
if [[ $? -ne 0 ]] ; then
_failed=true
fi
cp -a -a ${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.crt "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
cp -a "$_client_conf_file" "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}/client-$(basename $_client_conf_file)"
if [[ $? -ne 0 ]] ; then
_failed=true
fi
cp -a -a ${OPENVPN_BASE_DIR}/keys/ca.crt "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
cp -a "${OPENVPN_BASE_DIR}/keys/${NEW_KEY_NAME}.crt" "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
if [[ $? -ne 0 ]] ; then
_failed=true
fi
cp -a -a ${OPENVPN_BASE_DIR}/keys/ta.key "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
cp -a "${OPENVPN_BASE_DIR}/keys/ca.crt" "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
if [[ $? -ne 0 ]] ; then
_failed=true
fi
cp -a "${OPENVPN_BASE_DIR}/keys/ta.key" "${_home_dir}/VPN/${KEY_CN}-${NEW_KEY_NAME}" >> $log_file 2>&1
if [[ $? -ne 0 ]] ; then
_failed=true
fi
@ -297,7 +603,5 @@ EOF
fi
rm -f $log_file
echo ""
exit 0
clean_up 0

58
conf/install_openvpn.conf.sample
View File

@ -1,50 +1,16 @@
## - Configuration/Initialization OpenVPN
## -
DEFAULT_SERVER=""
DEFAULT_SERVER_PORT=1194
# ====================
# - Some Parameter Settings for using this installation howto
# ====================
DEFAULT_CA_EXPIRE=11688
DEFAULT_KEY_EXPIRE=7305
# ---
# - Parameters OpenVPN Configuration / KEY Creation
# ---
DEFAULT_KEY_SIZE=4096
OPENVPN_BASE_DIR=/etc/openvpn
EASY_RSA_DIR=${OPENVPN_BASE_DIR}/easy-rsa
DEFAULT_KEY_COUNTRY="DE"
DEFAULT_KEY_PROVINCE="Berlin"
DEFAULT_KEY_CITY="Berlin"
DEFAULT_KEY_EMAIL='support@oopen.de'
DEFAULT_KEY_OU="Network Services"
DEFAULT_KEY_ORG="O.OPEN"
# - (3*365+366)*8 = 11688 = 32 Jahre
CA_EXPIRE=11688
# - (3*365+366)*5 = 7305 = 20 Jahre
KEY_EXPIRE=7305
KEY_SIZE=4096
KEY_COUNTRY="DE"
KEY_PROVINCE="Berlin"
KEY_CITY="Berlin"
KEY_ORG="O.OPEN"
KEY_EMAIL="ckubu-adm\@oopen.de"
KEY_OU="Network Services"
KEY_NAME="VPN B3"
KEY_CN="VPN-B3"
KEY_ALTNAMES="VPN B3"
# ---
# - Parameters for Server Configurations ( server-home.conf / server-gw-ckubu.conf)
# ---
SERVER_PORT_HOME=1194
OPENVPN_NETWORK_HOME="10.0.42.0"
CCD_HOME="/etc/openvpn/ccd/server-home"
SERVER_PORT_GW_CKUBU=1195
OPENVPN_NETWORK_GW_CKUBU="10.1.42.0"
IPV4_OPENVPN_GW_CKUBU="10.1.42.1"
CCD_GW_CKUBU="/etc/openvpn/ccd/server-gw-ckubu"
MAIN_NETWORK=192.168.42.0
DNS_SERVER=192.168.42.1
DOMAIN=b3-bornim.netz
DEFAULT_SERVER_CIPHER="AES-256-CBC"

316
conf/server-gw-ckubu.conf.sample
View File

@ -1,316 +0,0 @@
#################################################
# Sample OpenVPN 2.0 config file for #
# multi-client server. #
# #
# This file is for the server side #
# of a many-clients <-> one-server #
# OpenVPN configuration. #
# #
# OpenVPN also supports #
# single-machine <-> single-machine #
# configurations (See the Examples page #
# on the web site for more info). #
# #
# This config should work on Windows #
# or Linux/BSD systems. Remember on #
# Windows to quote pathnames and use #
# double backslashes, e.g.: #
# "C:\\Program Files\\OpenVPN\\config\\foo.key" #
# #
# Comments are preceded with '#' or ';' #
#################################################
# Which local IP address should OpenVPN
# listen on? (optional)
;local a.b.c.d
# Which TCP/UDP port should OpenVPN listen on?
# If you want to run multiple OpenVPN instances
# on the same machine, use a different port
# number for each one. You will need to
# open up this port on your firewall.
port <SERVER_PORT_GW_CKUBU>
# TCP or UDP server?
;proto tcp
proto udp
topology subnet
route 192.168.63.0 255.255.255.0 <IPV4_OPENVPN_GW_CKUBU>>
route 192.168.64.0 255.255.255.0 <IPV4_OPENVPN_GW_CKUBU>
# "dev tun" will create a routed IP tunnel,
# "dev tap" will create an ethernet tunnel.
# Use "dev tap" if you are ethernet bridging.
# If you want to control access policies
# over the VPN, you must create firewall
# rules for the the TUN/TAP interface.
# On non-Windows systems, you can give
# an explicit unit number, such as tun0.
# On Windows, use "dev-node" for this.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun
# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel if you
# have more than one. On XP SP2 or higher,
# you may need to selectively disable the
# Windows firewall for the TAP adapter.
# Non-Windows systems usually don't need this.
;dev-node MyTap
# SSL/TLS root certificate (ca), certificate
# (cert), and private key (key). Each client
# and the server must have their own cert and
# key file. The server and all clients will
# use the same ca file.
#
# See the "easy-rsa" directory for a series
# of scripts for generating RSA certificates
# and private keys. Remember to use
# a unique Common Name for the server
# and each of the client certificates.
#
# Any X509 key management system can be used.
# OpenVPN can also use a PKCS #12 formatted key file
# (see "pkcs12" directive in man page).
ca keys/ca.crt
cert keys/server.crt
key keys/server.key # This file should be kept secret
# Diffie hellman parameters.
# Generate your own with:
# openssl dhparam -out dh1024.pem 1024
# Substitute 2048 for 1024 if you are using
# 2048 bit keys.
dh keys/dh2048.pem
# Configure server mode and supply a VPN subnet
# for OpenVPN to draw client addresses from.
# The server will take 10.8.0.1 for itself,
# the rest will be made available to clients.
# Each client will be able to reach the server
# on 10.8.0.1. Comment this line out if you are
# ethernet bridging. See the man page for more info.
server <OPENVPN_NETWORK_GW_CKUBU> 255.255.255.0
# Maintain a record of client <-> virtual IP address
# associations in this file. If OpenVPN goes down or
# is restarted, reconnecting clients can be assigned
# the same virtual IP address from the pool that was
# previously assigned.
ifconfig-pool-persist /etc/openvpn/ipp.txt
# Configure server mode for ethernet bridging.
# You must first use your OS's bridging capability
# to bridge the TAP interface with the ethernet
# NIC interface. Then you must manually set the
# IP/netmask on the bridge interface, here we
# assume 10.8.0.4/255.255.255.0. Finally we
# must set aside an IP range in this subnet
# (start=10.8.0.50 end=10.8.0.100) to allocate
# to connecting clients. Leave this line commented
# out unless you are ethernet bridging.
;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
# Push routes to the client to allow it
# to reach other private subnets behind
# the server. Remember that these
# private subnets will also need
# to know to route the OpenVPN client
# address pool (10.8.0.0/255.255.255.0)
# back to the OpenVPN server.
;push "route 10.8.0.0 255.255.255.0"
push "route <MAIN_NETWORK> 255.255.255.0"
# To assign specific IP addresses to specific
# clients or if a connecting client has a private
# subnet behind it that should also have VPN access,
# use the subdirectory "ccd" for client-specific
# configuration files (see man page for more info).
client-config-dir /etc/openvpn/ccd/server-gw-ckubu
# ---
# EXAMPLE: Suppose the client
# having the certificate common name "Thelonious"
# also has a small subnet behind his connecting
# machine, such as 192.168.40.128/255.255.255.248.
# First, uncomment out these lines:
;client-config-dir /etc/openvpn/ccd
;route 192.168.40.128 255.255.255.248
# Then create a file ccd/Thelonious with this line:
# iroute 192.168.40.128 255.255.255.248
# This will allow Thelonious' private subnet to
# access the VPN. This example will only work
# if you are routing, not bridging, i.e. you are
# using "dev tun" and "server" directives.
# ---
# ---
# EXAMPLE: Suppose you want to give
# Thelonious a fixed VPN IP address of 10.9.0.1.
# First uncomment out these lines:
;client-config-dir ccd
;route 10.9.0.0 255.255.255.252
# Then add this line to ccd/Thelonious:
# ifconfig-push 10.9.0.1 10.9.0.2
# ---
# ---
# Suppose that you want to enable different
# firewall access policies for different groups
# of clients. There are two methods:
# (1) Run multiple OpenVPN daemons, one for each
# group, and firewall the TUN/TAP interface
# for each group/daemon appropriately.
# (2) (Advanced) Create a script to dynamically
# modify the firewall in response to access
# from different clients. See man
# page for more info on learn-address script.
;learn-address ./script
# ---
# If enabled, this directive will configure
# all clients to redirect their default
# network gateway through the VPN, causing
# all IP traffic such as web browsing and
# and DNS lookups to go through the VPN
# (The OpenVPN server machine may need to NAT
# the TUN/TAP interface to the internet in
# order for this to work properly).
# CAVEAT: May break client's network config if
# client's local DHCP server packets get routed
# through the tunnel. Solution: make sure
# client's local DHCP server is reachable via
# a more specific route than the default route
# of 0.0.0.0/0.0.0.0.
;push "redirect-gateway"
# Certain Windows-specific network settings
# can be pushed to clients, such as DNS
# or WINS server addresses. CAVEAT:
# http://openvpn.net/faq.html#dhcpcaveats
;push "dhcp-option WINS 10.8.0.1"
# - Do NOT push DNS settings in THIS configuration. We use
# - this VPN tunnel as a static line, and the remote host
# - should user his own dns settings.
# -
;push "dhcp-option DNS <DNS_SERVER>"
;push "dhcp-option DOMAIN <DOMAIN>"
# Uncomment this directive to allow different
# clients to be able to "see" each other.
# By default, clients will only see the server.
# To force clients to only see the server, you
# will also need to appropriately firewall the
# server's TUN/TAP interface.
client-to-client
# Uncomment this directive if multiple clients
# might connect with the same certificate/key
# files or common names. This is recommended
# only for testing purposes. For production use,
# each client should have its own certificate/key
# pair.
#
# IF YOU HAVE NOT GENERATED INDIVIDUAL
# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
# UNCOMMENT THIS LINE OUT.
;duplicate-cn
# The keepalive directive causes ping-like
# messages to be sent back and forth over
# the link so that each side knows when
# the other side has gone down.
# Ping every 10 seconds, assume that remote
# peer is down if no ping received during
# a 120 second time period.
keepalive 10 120
# For extra security beyond that provided
# by SSL/TLS, create an "HMAC firewall"
# to help block DoS attacks and UDP port flooding.
#
# Generate with:
# openvpn --genkey --secret ta.key
#
# The server and each client must have
# a copy of this key.
# The second parameter should be '0'
# on the server and '1' on the clients.
;tls-auth ta.key 0 # This file is secret
tls-auth keys/ta.key 0
# Select a cryptographic cipher.
# This config item must be copied to
# the client config file as well.
;cipher BF-CBC # Blowfish (default)
;cipher AES-128-CBC # AES
;cipher DES-EDE3-CBC # Triple-DES
cipher AES-256-CBC
# Enable compression on the VPN link.
# If you enable it here, you must also
# enable it in the client config file.
comp-lzo
# The maximum number of concurrently connected
# clients we want to allow.
;max-clients 100
# It's a good idea to reduce the OpenVPN
# daemon's privileges after initialization.
#
# You can uncomment this out on
# non-Windows systems.
user nobody
group nogroup
# The persist options will try to avoid
# accessing certain resources on restart
# that may no longer be accessible because
# of the privilege downgrade.
persist-key
persist-tun
persist-local-ip
persist-remote-ip
# Output a short status file showing
# current connections, truncated
# and rewritten every minute.
status /var/log/openvpn/status-server-gw-ckubu.log
# By default, log messages will go to the syslog (or
# on Windows, if running as a service, they will go to
# the "\Program Files\OpenVPN\log" directory).
# Use log or log-append to override this default.
# "log" will truncate the log file on OpenVPN startup,
# while "log-append" will append to it. Use one
# or the other (but not both).
log /var/log/openvpn/server-gw-ckubu.log
;log-append openvpn.log
# Set the appropriate level of log
# file verbosity.
#
# 0 is silent, except for fatal errors
# 4 is reasonable for general usage
# 5 and 6 can help to debug connection problems
# 9 is extremely verbose
verb 4
# Silence repeating messages. At most 20
# sequential messages of the same message
# category will be output to the log.
;mute 20
crl-verify /etc/openvpn/keys/crl.pem

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conf/server-home.conf.sample
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#################################################
# Sample OpenVPN 2.0 config file for #
# multi-client server. #
# #
# This file is for the server side #
# of a many-clients <-> one-server #
# OpenVPN configuration. #
# #
# OpenVPN also supports #
# single-machine <-> single-machine #
# configurations (See the Examples page #
# on the web site for more info). #
# #
# This config should work on Windows #
# or Linux/BSD systems. Remember on #
# Windows to quote pathnames and use #
# double backslashes, e.g.: #
# "C:\\Program Files\\OpenVPN\\config\\foo.key" #
# #
# Comments are preceded with '#' or ';' #
#################################################
# Which local IP address should OpenVPN
# listen on? (optional)
;local a.b.c.d
# Which TCP/UDP port should OpenVPN listen on?
# If you want to run multiple OpenVPN instances
# on the same machine, use a different port
# number for each one. You will need to
# open up this port on your firewall.
port <SERVER_PORT_HOME>
# TCP or UDP server?
;proto tcp
proto udp
topology subnet
#route 192.168.63.0 255.255.255.0 10.1.72.1
#route 192.168.64.0 255.255.255.0 10.1.72.1
# "dev tun" will create a routed IP tunnel,
# "dev tap" will create an ethernet tunnel.
# Use "dev tap" if you are ethernet bridging.
# If you want to control access policies
# over the VPN, you must create firewall
# rules for the the TUN/TAP interface.
# On non-Windows systems, you can give
# an explicit unit number, such as tun0.
# On Windows, use "dev-node" for this.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun
# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel if you
# have more than one. On XP SP2 or higher,
# you may need to selectively disable the
# Windows firewall for the TAP adapter.
# Non-Windows systems usually don't need this.
;dev-node MyTap
# SSL/TLS root certificate (ca), certificate
# (cert), and private key (key). Each client
# and the server must have their own cert and
# key file. The server and all clients will
# use the same ca file.
#
# See the "easy-rsa" directory for a series
# of scripts for generating RSA certificates
# and private keys. Remember to use
# a unique Common Name for the server
# and each of the client certificates.
#
# Any X509 key management system can be used.
# OpenVPN can also use a PKCS #12 formatted key file
# (see "pkcs12" directive in man page).
ca keys/ca.crt
cert keys/server.crt
key keys/server.key # This file should be kept secret
# Diffie hellman parameters.
# Generate your own with:
# openssl dhparam -out dh1024.pem 1024
# Substitute 2048 for 1024 if you are using
# 2048 bit keys.
dh keys/dh2048.pem
# Configure server mode and supply a VPN subnet
# for OpenVPN to draw client addresses from.
# The server will take 10.8.0.1 for itself,
# the rest will be made available to clients.
# Each client will be able to reach the server
# on 10.8.0.1. Comment this line out if you are
# ethernet bridging. See the man page for more info.
server <OPENVPN_NETWORK_HOME> 255.255.255.0
# Maintain a record of client <-> virtual IP address
# associations in this file. If OpenVPN goes down or
# is restarted, reconnecting clients can be assigned
# the same virtual IP address from the pool that was
# previously assigned.
ifconfig-pool-persist /etc/openvpn/ipp.txt
# Configure server mode for ethernet bridging.
# You must first use your OS's bridging capability
# to bridge the TAP interface with the ethernet
# NIC interface. Then you must manually set the
# IP/netmask on the bridge interface, here we
# assume 10.8.0.4/255.255.255.0. Finally we
# must set aside an IP range in this subnet
# (start=10.8.0.50 end=10.8.0.100) to allocate
# to connecting clients. Leave this line commented
# out unless you are ethernet bridging.
;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
# Push routes to the client to allow it
# to reach other private subnets behind
# the server. Remember that these
# private subnets will also need
# to know to route the OpenVPN client
# address pool (10.8.0.0/255.255.255.0)
# back to the OpenVPN server.
;push "route 10.8.0.0 255.255.255.0"
push "route <MAIN_NETWORK> 255.255.255.0"
# To assign specific IP addresses to specific
# clients or if a connecting client has a private
# subnet behind it that should also have VPN access,
# use the subdirectory "ccd" for client-specific
# configuration files (see man page for more info).
client-config-dir <CLIENT_SPECIFIC_CONFIGURATION_DIR>
# ---
# EXAMPLE: Suppose the client
# having the certificate common name "Thelonious"
# also has a small subnet behind his connecting
# machine, such as 192.168.40.128/255.255.255.248.
# First, uncomment out these lines:
;client-config-dir /etc/openvpn/ccd
;route 192.168.40.128 255.255.255.248
# Then create a file ccd/Thelonious with this line:
# iroute 192.168.40.128 255.255.255.248
# This will allow Thelonious' private subnet to
# access the VPN. This example will only work
# if you are routing, not bridging, i.e. you are
# using "dev tun" and "server" directives.
# ---
# ---
# EXAMPLE: Suppose you want to give
# Thelonious a fixed VPN IP address of 10.9.0.1.
# First uncomment out these lines:
;client-config-dir ccd
;route 10.9.0.0 255.255.255.252
# Then add this line to ccd/Thelonious:
# ifconfig-push 10.9.0.1 10.9.0.2
# ---
# ---
# Suppose that you want to enable different
# firewall access policies for different groups
# of clients. There are two methods:
# (1) Run multiple OpenVPN daemons, one for each
# group, and firewall the TUN/TAP interface
# for each group/daemon appropriately.
# (2) (Advanced) Create a script to dynamically
# modify the firewall in response to access
# from different clients. See man
# page for more info on learn-address script.
;learn-address ./script
# ---
# If enabled, this directive will configure
# all clients to redirect their default
# network gateway through the VPN, causing
# all IP traffic such as web browsing and
# and DNS lookups to go through the VPN
# (The OpenVPN server machine may need to NAT
# the TUN/TAP interface to the internet in
# order for this to work properly).
# CAVEAT: May break client's network config if
# client's local DHCP server packets get routed
# through the tunnel. Solution: make sure
# client's local DHCP server is reachable via
# a more specific route than the default route
# of 0.0.0.0/0.0.0.0.
;push "redirect-gateway"
# Certain Windows-specific network settings
# can be pushed to clients, such as DNS
# or WINS server addresses. CAVEAT:
# http://openvpn.net/faq.html#dhcpcaveats
;push "dhcp-option WINS 10.8.0.1"
push "dhcp-option DNS <DNS_SERVER>"
push "dhcp-option DOMAIN <DOMAIN>"
# Uncomment this directive to allow different
# clients to be able to "see" each other.
# By default, clients will only see the server.
# To force clients to only see the server, you
# will also need to appropriately firewall the
# server's TUN/TAP interface.
client-to-client
# Uncomment this directive if multiple clients
# might connect with the same certificate/key
# files or common names. This is recommended
# only for testing purposes. For production use,
# each client should have its own certificate/key
# pair.
#
# IF YOU HAVE NOT GENERATED INDIVIDUAL
# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
# UNCOMMENT THIS LINE OUT.
;duplicate-cn
# The keepalive directive causes ping-like
# messages to be sent back and forth over
# the link so that each side knows when
# the other side has gone down.
# Ping every 10 seconds, assume that remote
# peer is down if no ping received during
# a 120 second time period.
keepalive 10 120
# For extra security beyond that provided
# by SSL/TLS, create an "HMAC firewall"
# to help block DoS attacks and UDP port flooding.
#
# Generate with:
# openvpn --genkey --secret ta.key
#
# The server and each client must have
# a copy of this key.
# The second parameter should be '0'
# on the server and '1' on the clients.
;tls-auth ta.key 0 # This file is secret
tls-auth keys/ta.key 0
# Select a cryptographic cipher.
# This config item must be copied to
# the client config file as well.
;cipher BF-CBC # Blowfish (default)
;cipher AES-128-CBC # AES
;cipher DES-EDE3-CBC # Triple-DES
cipher AES-256-CBC
# Enable compression on the VPN link.
# If you enable it here, you must also
# enable it in the client config file.
comp-lzo
# The maximum number of concurrently connected
# clients we want to allow.
;max-clients 100
# It's a good idea to reduce the OpenVPN
# daemon's privileges after initialization.
#
# You can uncomment this out on
# non-Windows systems.
user nobody
group nogroup
# The persist options will try to avoid
# accessing certain resources on restart
# that may no longer be accessible because
# of the privilege downgrade.
persist-key
persist-tun
persist-local-ip
persist-remote-ip
# Output a short status file showing
# current connections, truncated
# and rewritten every minute.
status /var/log/openvpn/status-server-home.log
# By default, log messages will go to the syslog (or
# on Windows, if running as a service, they will go to
# the "\Program Files\OpenVPN\log" directory).
# Use log or log-append to override this default.
# "log" will truncate the log file on OpenVPN startup,
# while "log-append" will append to it. Use one
# or the other (but not both).
log /var/log/openvpn/server-home.log
;log-append openvpn.log
# Set the appropriate level of log
# file verbosity.
#
# 0 is silent, except for fatal errors
# 4 is reasonable for general usage
# 5 and 6 can help to debug connection problems
# 9 is extremely verbose
verb 4
# Silence repeating messages. At most 20
# sequential messages of the same message
# category will be output to the log.
;mute 20
crl-verify /etc/openvpn/keys/crl.pem

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install_openvpn.sh
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