在CentOS部署Tomcat时出现防火墙问题

我正在尝试在CentOS环境中部署Tomcat服务器,但它没有收到请求.

执行startup.sh工作正常,日志显示tomcat正在运行

16-Dec-2016 13:36:58.440 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler [http-nio-8080]
16-Dec-2016 13:36:58.444 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler [ajp-nio-8009]
16-Dec-2016 13:36:58.445 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 14803 ms

运行netstat检查侦听端口时,它显示为侦听

$netstat -atnp|grep LISTEN

tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      3321/java

为了跳过防火墙,我在iptables添加一个自定义规则.

$iptables -nL

Chain INPUT (policy ACCEPT)
target     prot opt source               destination
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:8080
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50060
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50030
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50105
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50090
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50075
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:50070
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            state NEW tcp dpt:123
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0            state RELATED,ESTABLISHED
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            state NEW tcp dpt:22
REJECT     all  --  0.0.0.0/0            0.0.0.0/0            reject-with icmp-host-prohibited

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

我在顶部添加了规则,以避免在一般拒绝后添加错误.服务返回以下内容时,Iptables处于活动状态:

$service iptables status
Redirecting to /bin/systemctl status  iptables.service
● iptables.service - IPv4 firewall with iptables
Loaded: loaded (/usr/lib/systemd/system/iptables.service; enabled; vendor preset: disabled)
Active: active (exited) since Fri 2016-12-16 13:09:47 EST; 1h 45min ago
Main PID: 728 (code=exited,status=0/SUCCESS)
CGroup: /system.slice/iptables.service

但是,请求未到达Tomcat,因为localhost访问日志为空.

Firewalld不会干扰连接,因为它声称被禁用:

$firewall-cmd --state
not running

我还缺少其他防火墙设置吗?

我想这里发生的是你正在混合你的技术.

尝试:

服务iptables停止

看到你仍然得到相同的回应

如果你这样做,你需要删除iptables或firewalld

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