长话短说。
在0.0.0.0:80上运行的Apache2
在0.0.0.0:3306上运行的Mysqld
无法从本地主机访问这些端口,但可以从远程主机访问它们。
从远程主机(笔记本电脑)
MacBook-Pro:~ codemaster$ telnet 192.168.0.10 3306
Trying 192.168.0.10...
Connected to 192.168.0.10.
Escape character is '^]'.
T
5.5.40-0+wheezy1/QmQ,%uA?0b|m+.BDn|G*mysql_native_password^CConnection closed by foreign host.
MacBook-Pro:~ codemaster$ telnet 192.168.0.10 80
Trying 192.168.0.10...
Connected to 192.168.0.10.
Escape character is '^]'.
来自本地主机(192.168.0.10)
root@udoo-debian-hfp:/# uname -a
Linux udoo-debian-hfp 3.0.35 #1 SMP PREEMPT Mon Mar 3 15:17:07 CET 2014 armv7l GNU/Linux
root@udoo-debian-hfp:/# netstat -a -n -p|grep 3306
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 21469/mysqld
root@udoo-debian-hfp:/# netstat -a -n -p|grep 80
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 3614/apache2
unix 3 [ ] STREAM CONNECTED 3880 3763/dbus-daemon
root@udoo-debian-hfp:/# ifconfig
eth0 Link encap:Ethernet HWaddr 00:c0:08:88:a1:1c
inet addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:6781 errors:0 dropped:0 overruns:0 frame:0
TX packets:4389 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:956650 (934.2 KiB) TX bytes:644410 (629.3 KiB)
usb0 Link encap:Ethernet HWaddr 7e:82:37:77:b9:01
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wlan0 Link encap:Ethernet HWaddr 7c:dd:90:3a:4a:a6
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
尝试了几种选择,挂在“尝试连接”上
root@udoo-debian-hfp:/# telnet 192.168.0.10 80
Trying 192.168.0.10...
^C
root@udoo-debian-hfp:/# telnet 192.168.0.10 3306
Trying 192.168.0.10...
^C
root@udoo-debian-hfp:/# telnet 127.0.0.1 3306
Trying 127.0.0.1...
^C
root@udoo-debian-hfp:/# telnet 127.0.0.1 80
Trying 127.0.0.1...
^C
不是IPTABLES
root@udoo-debian-hfp:/# iptables -L
FATAL: Module ip_tables not found.
iptables v1.4.14: can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.
以前从未遇到过这样的事情……是iptables阻止还是守护程序绑定到本地接口..但是本地到本地?
看来您的环回接口没有启动。从一个主机到同一主机的通信需要回送接口(IPv4 127.0.0.1/8,IPv6 :: 1/128)。
在Debian上,通常在引导时使用以下配置在环回接口中打开/etc/network/interfaces
:
auto lo
iface lo inet loopback
我不知道为什么您的环回接口没有正确显示,但是请尝试ifup lo
(托管,首选)或ip link set lo up
(非托管),并确保上述行出现在中/etc/network/interfaces
。
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我来说两句