I have similar problems. I'm running Plesk 8.2.1 on CentOS 5.0.
I used instruction
http://download1.swsoft.com/Plesk/Plesk7.5/Doc/plesk-7.5r-vpn-guide.pdf
to setup Plesk (Open)VPN.
Config settings: /usr/local/psa/var/modules/vpn/openvpn.conf
Note:
Once you switch off the Plesk VPN this conf file will be removed. It will be installed again once you enable the VPN.
=================================
#
# Automatically generated by Plesk VPN module
#
remote <my_client_IP>
rport 1194
lport 1194
ifconfig 172.16.0.1 255.255.255.252
daemon
secret /usr/local/psa/var/modules/vpn/vpn-key
writepid /usr/local/psa/var/modules/vpn/openvpn.pid
mtu-disc yes
comp-lzo
dev tap
float
keepalive 10 60
ping-timer-rem
resolv-retry infinite
=================================
Log file /var/log/messages contains:
=================================
Oct 28 13:09:35 myserver openvpn[3492]: OpenVPN 2.0.1 i686-pc-linux [CRYPTO] [LZO] [EPOLL] built on Sep 18 2007
Oct 28 13:09:35 myserver openvpn[3492]: LZO compression initialized
Oct 28 13:09:35 myserver kernel: tun: Universal TUN/TAP device driver, 1.6
Oct 28 13:09:35 myserver kernel: tun: (C) 1999-2004 Max Krasnyansky <
[email protected]>
Oct 28 13:09:35 myserver openvpn[3492]: TUN/TAP device tap0 opened
Oct 28 13:09:35 myserver openvpn[3492]: /sbin/ifconfig tap0 172.16.0.1 netmask 255.255.255.252 mtu 1500 broadcast 172.16.0.3
Oct 28 13:09:35 myserver avahi-daemon[2757]: New relevant interface tap0.IPv4 for mDNS.
Oct 28 13:09:35 myserver avahi-daemon[2757]: Joining mDNS multicast group on interface tap0.IPv4 with address 172.16.0.1.
Oct 28 13:09:35 myserver avahi-daemon[2757]: Registering new address record for 172.16.0.1 on tap0.
Oct 28 13:09:35 myserver avahi-daemon[2757]: Withdrawing address record for 172.16.0.1 on tap0.
Oct 28 13:09:35 myserver avahi-daemon[2757]: Leaving mDNS multicast group on interface tap0.IPv4 with address 172.16.0.1.
Oct 28 13:09:35 myserver openvpn[3504]: UDPv4 link local (bound): [undef]:1194
Oct 28 13:09:35 myserver openvpn[3504]: UDPv4 link remote: <my_client_IP>:1194
Oct 28 13:09:35 myserver openvpn[3504]: write UDPv4 []: Operation not permitted (code=1)
Oct 28 13:09:35 myserver openvpn[3504]: write UDPv4 []: Operation not permitted (code=1)
Oct 28 13:09:35 myserver avahi-daemon[2757]: iface.c: interface_mdns_mcast_join() called but no local address available.
Oct 28 13:09:35 myserver avahi-daemon[2757]: Interface tap0.IPv4 no longer relevant for mDNS.
=================================
Are you experiencing similar problems ?
Sounds familiar ? Solution ?