虚拟服务器上要怎么配置 VPN 啊，想通过思科 AnyConnect 连接～

[daodao]

如题

发现AnyConnect连VPN很稳定，操作也很简单。

现在我有几台国外的虚拟服务器，但不会配置...求教～

[felinx]

简单的上pptp

[lolicon]

现成的文章一大把，谷歌一下这么难？

[ooxxcc]

google ocserv

[daodao]

@ooxxcc 谢谢！就是不懂搜什么关键词....

[yywudi]

ocserv

[icinessz]

以下内容用于ubuntu，不包含证书生成，iptables仅为参考需要根据实际情况修改

apt-get update
apt-get install build-essential autogen pkg-config
apt-get install libgnutls28-dev
apt-get install libprotobuf-c-dev libtalloc-dev libreadline-dev libpam0g-dev libhttp-parser-dev libpcl1-dev
wget ftp://ftp.infradead.org/pub/ocserv/ocserv-0.8.8.tar.xz
xz -d ocserv-0.8.8.tar.xz
tar -xvf ocserv-0.8.8.tar
cd ocserv-0.8.8/
./configure --prefix=/opt/ocserv --sysconfdir=/etc
make
make install
mkdir /etc/ocserv
cp doc/sample.config /etc/ocserv/ocserv.conf
vi /etc/ocserv/ocserv.conf
//修改以下内容
auth = "plain[/etc/ocserv/ocpasswd]"
max-same-clients = 0
server-cert = /etc/ocserv/xxxxxx.cert.pem
server-key = /etc/ocserv/xxxxxx.key.pem
cookie-timeout = 86400
run-as-group = nogroup
default-domain = xxxxxx.com
dns = 8.8.8.8
dns = 8.8.4.4
#route = 192.168.1.0/255.255.255.0
#route = 192.168.5.0/255.255.255.0
//修改以上内容
/opt/ocserv/bin/ocpasswd -c /etc/ocserv/ocpasswd xxxxxx
vi /etc/init.d/ocserv
//写入以下内容
#!/bin/sh
### BEGIN INIT INFO
# Provides: ocserv
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO
# Copyright Rene Mayrhofer, Gibraltar, 1999
# This script is distibuted under the GPL

PATH=/bin:/usr/bin:/sbin:/usr/sbin:/opt/ocserv/sbin
DAEMON=/opt/ocserv/sbin/ocserv
PIDFILE=/var/run/ocserv.pid
DAEMON_ARGS="-c /etc/ocserv/ocserv.conf"

case "$1" in
start)
if [ ! -r $PIDFILE ]; then
echo -n "Starting OpenConnect VPN Server Daemon: "
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
$DAEMON_ARGS > /dev/null
echo "ocserv."
else
echo -n "OpenConnect VPN Server is already running.\n\r"
exit 0
fi
;;
stop)
echo -n "Stopping OpenConnect VPN Server Daemon: "
start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON
echo "ocserv."
rm -f $PIDFILE
;;
force-reload|restart)
echo "Restarting OpenConnect VPN Server: "
$0 stop
sleep 1
$0 start
;;
status)
if [ ! -r $PIDFILE ]; then
# no pid file, process doesn't seem to be running correctly
exit 3
fi
PID=`cat $PIDFILE | sed 's/ //g'`
EXE=/proc/$PID/exe
if [ -x "$EXE" ] &&
[ "`ls -l \"$EXE\" | cut -d'>' -f2,2 | cut -d' ' -f2,2`" = \
"$DAEMON" ]; then
# ok, process seems to be running
exit 0
elif [ -r $PIDFILE ]; then
# process not running, but pidfile exists
exit 1
else
# no lock file to check for, so simply return the stopped status
exit 3
fi
;;
*)
echo "Usage: /etc/init.d/ocserv {start|stop|restart|force-reload|status}"
exit 1
;;
esac

exit 0
//写入以上内容
chmod 755 /etc/init.d/ocserv
vi /etc/sysctl.conf
//修改以下内容
net.ipv4.ip_forward=1
//修改以上内容
sysctl -p
vi /etc/iptables
//修改成以下内容
*filter
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 443 -j ACCEPT
-A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
COMMIT

*nat
-A POSTROUTING -o eth0 -j MASQUERADE
COMMIT
//修改成以上内容