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I am posting this question after going through numerous threads here.

I have windows 7 (host) and Ubuntu 14.0 LTS VM (Guest) running on VirtualBox. In the virtualbox network settings for this Guest VM, I have enabled NAT. This is my office environment, therefore, I have set the proxy address manually through the "network settings" within Ubuntu.

I can ping to the proxy server successfully, however, I am unable to connect to internet or browse any website from firefox. I am also not able to use apt-get command which always shows me unable to connect to "proxy server". Can anyone please help me understand. I have also tried to enter the proxy address inside 95proxies under /etc/apt/apt.conf.d/ but the error remains the same. Can anyone please help me understand this issue.

(Edit)

ifconfig

eth0 Link encap:Ethernet HWaddr 08:00:27:39:9f:4c
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:fe39:9f4c/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3 errors:0 dropped:0 overruns:0 frame:0 TX packets:122 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:710 (710.0 B) TX bytes:14443 (14.4 KB)

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:183 errors:0 dropped:0 overruns:0 frame:0 TX packets:183 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:13016 (13.0 KB) TX bytes:13016 (13.0 KB)

route -n

Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.0.2.2 0.0.0.0 UG 0 0 0 eth0 10.0.2.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0

ping 8.8.8.8

PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.

[there was no result. The ping got stuck with the above message]

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  • If you use "NAT" you should use DHCP on your guest. It will get an IP address from the DHCP service from VirtualBox. The natting will happen there.
    – Carl
    Mar 30, 2017 at 11:30
  • Where do I configure DHCP?
    – KurioZ7
    Mar 30, 2017 at 11:32
  • You said: I have set the proxy address manually through the "network settings" within Ubuntu. Where did you do that?
    – Carl
    Mar 30, 2017 at 14:03
  • I manually set the proxy from "System Settings -> Network->Network Proxy" . I do not see any DHCP configuration there.
    – KurioZ7
    Mar 31, 2017 at 2:53
  • On your "Network Proxy", you choose "none" On the "Wired" connection, choose Option -> IPv4 -> DHCP
    – Carl
    Mar 31, 2017 at 6:08

1 Answer 1

Reset to default
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Can you check this:

On the WIN7 machine's own "Local Area Connection", "Properties">>"Sharing", and check "Allow other network users ...". And "OK"

and restart your vm machine. The problem is that your windows is not natting.

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  • I have tried this, but not working. I am getting the same issue.
    – KurioZ7
    Mar 31, 2017 at 9:52

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