guys from 2 days ive been facing this problem...
i tried all possible things like setting sv_lan to 0, reinstalled game many times, turned off my fire wall but this problem still remains any better solns or console commands???? plzz help

try to download server.cfg from some sites or open port 27015 udp/tcp
if you have forwarde it than disable windows firewall because firewall is blocking some unknown ports sometimes