Debian buster lxc vpn

VPN LXC Container Config

evtl muss tun noch geladen werden

modprobe tun
#bzw zu hinzufügen
/etc/modules

#
lxc.mount.entry = /sys/kernel/debug sys/kernel/debug none bind,optional 0 0
lxc.mount.entry = /sys/kernel/security sys/kernel/security none bind,optional 0 0
lxc.mount.entry = /sys/fs/pstore sys/fs/pstore none bind,optional 0 0
lxc.mount.entry = mqueue dev/mqueue mqueue rw,relatime,create=dir,optional 0 0
##
lxc.arch = linux64
lxc.mount.entry = /dev/net/tun dev/net/tun none bind,create=file
lxc.rootfs.path = dir:/var/lib/lxc/xxxx/rootfs
lxc.uts.name = xxxx
## Network configuration
lxc.net.0.type = veth
lxc.net.0.hwaddr = xx:xx:xx:xx:xx:xx
lxc.net.0.link = vmbr1
lxc.net.0.flags = up
lxc.net.0.ipv4.address = XXX.XXX.XXX.2/32
lxc.net.0.ipv4.gateway = XXX.XXX.XXX.1
##vpn specific
lxc.apparmor.profile = unconfined
lxc.cgroup.devices.allow = c 10:200 rwm
lxc.mount.entry = /dev/net/tun dev/net/tun none bind,create=file

VPN IN LXC Container

Script

wget https://raw.githubusercontent.com/Angristan/openvpn-install/master/openvpn-install.sh -O debian10-vpn.sh

Server installieren

./debian10-vpn.sh

Linux Networkmanager Problem

Ändere Script

        if [[ $CUSTOMIZE_ENC == "n" ]];then
                # Use default, sane and fast parameters
                ...
                #TLS_SIG="1" # tls-crypt
                TLS_SIG="2" # tls-auth

Server Config mit client-to-client

port 1194
proto udp
dev tun
user nobody
group nogroup
persist-key
persist-tun
keepalive 10 120
client-to-client
topology subnet
server 10.8.0.0 255.255.255.0
ifconfig-pool-persist ipp.txt
push "dhcp-option DNS 8.8.8.8"
push "dhcp-option DNS 1.1.1.1"
push "redirect-gateway def1 bypass-dhcp"
dh none
ecdh-curve prime256v1
tls-auth tls-auth.key 0
crl-verify crl.pem
ca ca.crt
cert server_m57DrXUnLIw1lKfL.crt
key server_m57DrXUnLIw1lKfL.key
auth SHA256
cipher AES-128-GCM
ncp-ciphers AES-128-GCM
tls-server
tls-version-min 1.2
tls-cipher TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256
status /var/log/openvpn/status.log
verb 3
client-config-dir ccd

Neuen Client oder clients entfernen

./debian10-vpn.sh

Den Clients statische Ips geben

Namen der KONFIGURATIONNAME.opvn

mkdir /etc/openvpn/ccd/
cd /etc/openvpn/ccd/
touch /etc/openvpn/ccd/KONFIGURATIONNAME

/etc/openvpn/ccd/KONFIGURATIONNAME

   ifconfig-push 10.8.0.2 255.255.255.0

openvpn clients

Windows#openvpn

Probleme

TLS Error: TLS handshake failed

2021-07-20 12:11:57 us=614467 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
2021-07-20 12:11:57 us=614591 TLS Error: TLS handshake failed

• https://openvpn.net/faq/tls-error-tls-key-negotiation-failed-to-occur-within-60-seconds-check-your-network-connectivity/

journalctl  _COMM=openvpn -f