無法存取 Ubuntu 上的某些網站(Facebook、Google、Twitter 等)

無法存取 Ubuntu 上的某些網站(Facebook、Google、Twitter 等)

我有一台雙啟動機器。當我使用 Windows 時,互聯網非常好;我可以正常訪問所有網站。

但是,當我切換到 Ubuntu 後,我無法再訪問 Facebook、Twitter、YouTube 等。

到底是怎麼回事?我該怎麼做才能解決這個問題?

編輯 :

我的DNS:8.8.8.8、8.8.4.4

ifconfig

eth0      Link encap:Ethernet  HWaddr 50:46:5d:3f:f5:09  
          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)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:2515 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2515 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:202999 (202.9 KB)  TX bytes:202999 (202.9 KB)

wlan0     Link encap:Ethernet  HWaddr dc:85:de:a4:e4:7d  
          inet addr:192.168.0.102  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::de85:deff:fea4:e47d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11092 errors:0 dropped:0 overruns:0 frame:0
          TX packets:9984 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:7149295 (7.1 MB)  TX bytes:1679041 (1.6 MB)

ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
    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: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
    link/ether 50:46:5d:3f:f5:09 brd ff:ff:ff:ff:ff:ff
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether dc:85:de:a4:e4:7d brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.102/24 brd 192.168.0.255 scope global wlan0
       valid_lft forever preferred_lft forever
    inet6 fe80::de85:deff:fea4:e47d/64 scope link 
       valid_lft forever preferred_lft forever

我可以 ping www.google.com(0% 丟失),但是當我嘗試 ping 時www.youtube.com,這裡只發生了永遠的加載:

PING www.youtube.com (46.82.174.68) 56(84) bytes of data.

當我跑步時nm-tool | tail -n 8

IPv4 Settings:
    Address:         192.168.0.102
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.0.1

    DNS:             192.168.0.1

請幫我。

答案1

嘗試

 sudo ifconfig eth0 mtu 1450 
 sudo ifconfig wlan0 mtu 1450

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