This is SecureLine.log content while SecureLine is trying to connect with having Firewall on:
Tue Sep 08 10:50:49 2015 --- SecureLine driver is installed
Tue Sep 08 10:50:49 2015 --- StateConnecting
Tue Sep 08 10:50:49 2015 --- slw-lon
Tue Sep 08 10:50:50 2015 --- OVPN: OpenVPN 2.3_git Windows-MSVC [SSL (OpenSSL)] [LZO] [PKCS11] [eurephia] [IPv6] built on Apr 21 2015
Tue Sep 08 10:50:51 2015 --- OVPN: UDPv4 link local: [undef]
Tue Sep 08 10:50:51 2015 --- OVPN: UDPv4 link remote: [AF_INET]77.234.43.88:1194
Tue Sep 08 10:50:52 2015 --- OVPN: WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this
Tue Sep 08 10:51:08 2015 --- OVPN: [lon36.ff.avast.com] Peer Connection Initiated with [AF_INET]77.234.43.88:1194
Tue Sep 08 10:51:10 2015 --- OVPN: do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Tue Sep 08 10:51:10 2015 --- OVPN: open_tun, tt->ipv6=0
Tue Sep 08 10:51:10 2015 --- OVPN: TAP-WIN32 device [Ethernet 2] opened: \\.\Global\{A44A6F31-BDC9-4F06-8C39-DDECA6782DAD}.tap
Tue Sep 08 10:51:10 2015 --- OVPN: Set TAP-Windows TUN subnet mode network/local/netmask = 100.100.48.0/100.100.48.48/255.255.240.0 [SUCCEEDED]
Tue Sep 08 10:51:10 2015 --- OVPN: Notified TAP-Windows driver to set a DHCP IP/netmask of 100.100.48.48/255.255.240.0 on interface {A44A6F31-BDC9-4F06-8C39-DDECA6782DAD} [DHCP-serv: 100.100.63.254, lease-time: 31536000]
Tue Sep 08 10:51:10 2015 --- OVPN: Successful ARP Flush on interface [10] {A44A6F31-BDC9-4F06-8C39-DDECA6782DAD}
Tue Sep 08 10:53:17 2015 --- OVPN: WARNING: Failed to renew DHCP IP address lease on TAP-Windows adapter: The semaphore timeout period has expired. (code=121)
Tue Sep 08 10:53:17 2015 --- OVPN: [lon36.ff.avast.com] Inactivity timeout (--ping-restart), restarting
Tue Sep 08 10:53:17 2015 --- OVPN: SIGUSR1[soft,ping-restart] received, process restarting
Tue Sep 08 10:53:19 2015 --- OVPN: UDPv4 link local: [undef]
Tue Sep 08 10:53:19 2015 --- OVPN: UDPv4 link remote: [AF_INET]77.234.43.88:1194
and this loop continues.