iptables: redirect local request with NAT

Question

I'd like to redirect local requests to port which is translated with NAT. I have following rules:

iptables -t nat -A PREROUTING -p tcp --dport 9020 -j DNAT --to 10.0.3.11:80

however request coming from localhost are rejected:

wget http://127.0.0.1:9020
Connecting to 127.0.0.1:9020... failed: Connection refused.

当我从任何其他计算机连接时，它可以工作。有没有办法在不重新编译内核的情况下做到这一点CONFIG_IP_NF_NAT_LOCAL=y？https://wiki.debian.org/Firewalls-local-port-redirection（似乎已过时）。

更新：

iptables -L -v -n --line-numbers -t nat：

Chain PREROUTING (policy ACCEPT 26 packets, 3230 bytes)
num   pkts bytes target     prot opt in     out     source            destination    
4       0   0     DNAT      tcp  --  *       *      0.0.0.0/0         0.0.0.0/0   tcp dpt:9020 to:10.0.3.11:80

Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
num   pkts bytes target     prot opt in     out     source                destination         
1        0     0 MASQUERADE all  --  *       *      10.0.0.0/16           0.0.0.0/0 

Answer 1

根据@Hauke Laging 的评论，我整理了以下内容：

# connections from outside
iptables -t nat -A PREROUTING -p tcp --dport 9020 -j DNAT --to 10.0.3.11:80
# for local connection
iptables -t nat -A OUTPUT -p tcp --dport 9020 -j DNAT --to 10.0.3.11:80

# Masquerade local subnet
iptables -t nat -A POSTROUTING -s 10.0.3.0/16 -j MASQUERADE
iptables -A FORWARD -o lxcbr0 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i lxcbr0 -o eth0 -j ACCEPT
iptables -A FORWARD -i lxcbr0 -o lo -j ACCEPT

其中lxcbr0是10.0.3.0/16子网eth0中的接口，是与公共 IP 地址的接口。