Hello,
You can add two rules in Netwok->Firewall->Custom rules:
iptables -A FORWARD -s 192.168.1.53 -d 192.168.1.0/24 -j ACCEPT
iptables -A FORWARD -s 192.168.1.53 -j DROP
This will allow you to access the camera from any device in 192.168.1.0/24 and forbid everything else.
Regards,