Прошу прощения, "опечатался", вместо "55550" читать "3389".
Сообщение выше отредактировал
В 4 сообщении показывал iptables
# Generated by iptables-save v1.4.21 on Tue Jul 4 23:17:29 2017
*mangle
:PREROUTING ACCEPT [214:33006]
:INPUT ACCEPT [201:32493]
:FORWARD ACCEPT [13:513]
:OUTPUT ACCEPT [207:60385]
:POSTROUTING ACCEPT [214:60706]
COMMIT
# Completed on Tue Jul 4 23:17:29 2017
# Generated by iptables-save v1.4.21 on Tue Jul 4 23:17:29 2017
*nat
:PREROUTING ACCEPT [7:481]
:INPUT ACCEPT [47:2561]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A PREROUTING -d 110.120.130.205/32 -p tcp -m tcp --dport 3389 -j DNAT --to-destination 10.0.0.10:3389
-A PREROUTING -s 10.0.0.0/24 -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 3443
-A PREROUTING -s 10.0.0.0/24 -p tcp -m multiport --dports 80,81,82,88,1080,3127,3128,7900,8000,8080,8081,8088,8123,8888,9090 -j REDIRECT --to-ports 3080
-A POSTROUTING -s 10.0.0.0/24 -o eth1 -j SNAT --to-source 110.120.130.205
COMMIT
# Completed on Tue Jul 4 23:17:29 2017
# Generated by iptables-save v1.4.21 on Tue Jul 4 23:17:29 2017
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -i eth0 -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -m state --state INVALID -j DROP
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A INPUT -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP
-A INPUT -p tcp -m tcp --dport 44022 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 55555 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 3389 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 4444 -j ACCEPT
-A INPUT -i eth1 -p tcp -m tcp --dport 22000 -j ACCEPT
-A INPUT -i eth0 -p tcp -m tcp --dport 123 -j ACCEPT
-A INPUT -i eth0 -p udp -m udp --dport 123 -j ACCEPT
-A INPUT -s 10.0.0.0/24 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -s 10.0.0.0/24 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 0 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 3 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 11 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -m state --state INVALID -j DROP
-A FORWARD -i eth1 -o eth0 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i eth1 -p tcp -m tcp --dport 3389 -j ACCEPT
-A FORWARD -i eth0 -o eth1 -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -o eth0 -j ACCEPT
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP
-A OUTPUT -o eth1 -j ACCEPT
COMMIT
# Completed on Tue Jul 4 23:17:29 2017
110.120.130.205:55555 - работает
110.120.130.205:3389 - не работает