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Thread: [VirtualBox] Problem with NAT on corporate network

  1. #1

    [VirtualBox] Problem with NAT on corporate network

    Hello,
    I'm trying to connect Kali on VirtualBox on a corporate network. The network uses a proxy requiring authentication.

    Distributor ID: Kali
    Description: Kali GNU/Linux Rolling
    Release: kali-rolling
    Codename: kali-rolling
    Linux asus 4.8.0-kali2-686-pae #1 SMP Debian 4.8.15-1kali1 (2016-12-23) i686 GNU/Linux

    eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet xx.x.x.xx netmask 255.255.255.0 broadcast xx.x.x.xxx
    inet6 xxxx::xxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20<link>
    ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
    RX packets 6 bytes 910 (910.0 B)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 38 bytes 3194 (3.1 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

    lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
    inet 127.0.0.1 netmask 255.0.0.0
    inet6 ::1 prefixlen 128 scopeid 0x10<host>
    loop txqueuelen 1 (Local Loopback)
    RX packets 2650 bytes 217712 (212.6 KiB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 2650 bytes 217712 (212.6 KiB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0


    I'm running VirtualBox on a 64bit Windows 7.

    In Kali I updated /etc/apt/apt.conf with the correct Proxy and login, but apt doesn't work.
    Firefox can't connect either. I tried setting the proxy manually in firefox but when I try to load a website it tells me instantly that the proxy is refusing connections. It's the same message I get on my Host-system's firefox if I try to load a website and fail to authenticate. The problem is on firefox it never pops up an authentication window!
    If I configure to auto-detect or take from system it doesn't work either.

    Bridged mode works fine.

    Thank you for your help!

    Sincerely,
    ErrorOnDefault
    Last edited by errorondefault; 2017-01-06 at 16:54. Reason: update

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