In addition to our last post on this issue ( https://htsqatar.com/vpn-issues/ ) , we would like to add the following . Except when using Cisco CTCP or OpenVPN , many companies in Qatar facing frequent disconnection or unstable connection on the VPN , 1- All the firewalls using traditional IPSec VPN for site-to-site connection facing the same issue. These includes most popular firewalls in Qatar – Sonicwall, Fortinet, Cyberoam, Sophos etc. SSL VPN is stable on all the firewalls BUT these firewalls not supporting site-to-site VPN on SSL/TCP. Cisco is the…
