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连接到网络 - 网络不可访问

tag-icon • tag-icon networking wireless server network-manager dns
连接到网络 - 网络不可访问

虽然我可以正常浏览网络，但当我使用 Java 程序运行下载时，网络总是无法访问。直到昨天它都运行正常，但现在突然出现问题。Ping 可以正常检索数据包。我有无线互联网。

这是我的/etc/network/interface

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo


iface lo inet loopback

这是输出ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
   valid_lft forever preferred_lft forever
inet6 ::1/128 scope host 
   valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether f8:bc:12:58:40:e4 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.100/24 brd 192.168.1.255 scope global eth0
   valid_lft forever preferred_lft forever
inet6 fe80::fabc:12ff:fe58:40e4/64 scope link 
   valid_lft forever preferred_lft forever

我的/etc/resolv.conf是

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1

我的 ip route show 输出如下

default via 192.168.1.1 dev eth0 proto static 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.100 metric 1

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