vpnconfig

VPN Serverconfig für Weimarnetz (minimal edition - wip)

Einrichtung

hier nur olsr, vtun und iptables

requirements

# apt install build-essential git bison automake flex iptables-persistent

clone configs

# git clone https://github.com/weimarnetz/vpnconfig.git 
# cd vpnconfig 
# git checkout minimal

olsr

# git clone https://github.com/OLSR/olsrd
# cd olsrd 
# make && make libs && make install && make install_libs 
# cd ../vpnconfig 
# cp olsrd.conf /etc/olsrd/olsrd.conf

In /etc/olsrd.conf noch IPs und Interfaces anpassen

# cp olsrd.service /etc/systemd/system/olsrd.service 
# systemctl daemon-reload 
# systemctl start olsrd
# systemctl enable olsrd
# journalctl -u olsrd -f

vtun

# wget http://downloads.sourceforge.net/project/vtun/vtun/3.0.4/vtun-3.0.4.tar.gz
# tar -xzvf vtun-3.0.4.tar.gz 
# cd vtun-3.0.4

In cfg_file.y folgendes ändern:

612 /* Clear the VTUN_NAT_HACK flag which are not relevant to the current operation mode */
613 inline void clear_nat_hack_flags(int svr)
614 {

612 /* Clear the VTUN_NAT_HACK flag which are not relevant to the current operation mode */
613 extern inline void clear_nat_hack_flags(int svr)
614 {

vtun kompilieren:

# aclocal 
# autoconf 
# ./configure --disable-zlib --disable-lzo --disable-ssl 
# ln -s /usr/bin/strip /usr/local/bin/strip
# make && make install

Setup:

# cd ../vpnconfig 
# cp vtund.conf /etc/vtund.conf 
# cp vtund.service /etc/systemd/system/vtund.service 
# systemctl daemon-reload 
# systemctl start vtund 
# systemctl enable vtund
# journalctl -u vtund -f

iptables

# iptables -t nat -A POSTROUTING -o enp0s1 -j MASQUERADE

enp0s1 mit dem Netzwerk-Interface wo Internet rauskommt ersetzen z.B. eth0 etc.pp.

# iptables-save

fq-codel

# cat >> /etc/sysctl.d/99-fq_codel.conf <<EOF
net.core.default_qdisc=fq_codel
EOF
# sysctl -P 
// kann auch in rc.local: 
# tc qdisc replace dev enp0s1 root fq_codel

apache

Erstmal Apache weil der CGI-Scripte kann - geht auch mit PHP und co.

# apt install apache2 
# a2enconf cgi 

# cd vpnconfig 
# cp freifunk-vpn.sh /usr/lib/cgi-bin 
# chmod +x /usr/lib/cgi-bin/freifunk-vpn.sh

In /etc/apache/sites-enabled/000-default das Script angeben:

...
Include conf-available/serve-cgi-bin.conf
ScriptAlias "/freifunk/vpn" /usr/lib/cgi-bin/freifunk-vpn.sh
...

# systemctl restart apache2

weimarnetz / vpnconfig