telnet 10.215.130.93
Trying 10.215.130.93...
Connected to 10.215.130.93.
Escape character is '^]'.
BCM96338 ADSL Router
Login: admin
Password: 
> sh
#
# iptables -I FORWARD -p tcp --dst 10.215.130.1 --dport 443 -j ACCEPT
# iptables -t nat -I PREROUTING -p tcp --dport 443 -j DNAT --to-destination 10.215.130.1:443

Проверяю

# iptables -L -n
Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     tcp  --  0.0.0.0/0            10.215.130.1        tcp dpt:443