Since many of you already know the Iranian government aggressively uses internet censorship to block sites such as facebook, flicker, bbc, etc.
The Iranian people use various methods to bypass filtering like VPN (l2tp,pptp,ipsec) openvpn protocol, HTTPS, socks5, HTTP , kerio vpn ...
since the day before yesterday everytime i connect to ANY of those services it connects with no problem but loose the connection less than a minute!
my first question is how do they do it? second and more important, is there any other protocol left for us?