Linux中如何開啟8080端口供外界訪問


裝好Tomcat7后,發現除了本機能訪問外界訪問不了,豈有此理。於是請教百度大神,在費一番周折后,總結步驟如下:

1.修改文件/etc/sysconfig/iptables

[root@bogon ~]# cd /etc/sysconfig/
[root@bogon sysconfig]# vi iptables

文件內容如下,注意紅色一行是新加的,目的是對外界開放8080端口

# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT

這行文字實際是從上一行拷貝修改而來,在VI中拷貝一行用yy,拷貝多行用yyn,粘貼用p。還算方便的。

2.將iptables服務重啟。

[root@bogon sysconfig]# service iptables restart
Flushing firewall rules:                                   [  OK  ]
Setting chains to policy ACCEPT: filter                    [  OK  ]
Unloading iptables modules:                                [  OK  ]
Applying iptables firewall rules:                          [  OK  ]
Loading additional iptables modules: ip_conntrack_ftp      [  OK  ]
[root@bogon sysconfig]#

然后從外界訪問就可以了:

 

發布一個war上去看看效果

3.如若不想修改iptables表,可以直接輸入下面命令:

# iptables -I INPUT -p tcp --dport 80 -j ACCEPT

以上有問題請指出。


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