我的iptables被锁定所以只允许ssh和http流量.我试图隧道sql示例：ssh -L 3306：127.0.0.1：3306 my@domain.com如果我将INPUT设置为ALLOW但它可以正常工作你可以在下面看到它的设置下降所以我的端口被阻止.我认为这只是我需要添加的规则,但我在谷歌上找到的所有内容都失败了.想法？

iptables.up.rules

*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [57:4388]
-A INPUT -i eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-port-unreachable
COMMIT@H_404_6@ 
 
终端输出
 
  
 
xxx@xxx:/etc# iptables -L
Chain INPUT (policy DROP)
target     prot opt source               destination
ACCEPT     all  --  anywhere             anywhere            state RELATED,ESTABLISHED
ACCEPT     all  --  anywhere             anywhere            state RELATED,ESTABLISHED
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ssh
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:www
ACCEPT     icmp --  anywhere             anywhere            icmp any

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination@H_404_6@