How to change VOS3000 admin client port
If you want to change vos3000 client default admin port . you can do it without changing anything on vos3000 server setting you need to just configure the iptables on server.
Below are the iptables command to change port no 7878
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1202 -j DNAT –to-destination :3720
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 7878 -j DNAT –to-destination :1202
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1202 -j DNAT –to-destination :3720
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 7878 -j DNAT –to-destination :1202
Download Command changeport
Now open VOS3000 Admin Client and login with port address 7878
Hope it will help you to protect the vos3000