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Thread: Problem with wifi / cable connection

  1. #1
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    Problem with wifi / cable connection

    Since the last update I have problems with the internet connection in kali linux, whenever I download a large file the connection simply drops, the connection to the wifi still no network, after disconnecting from the wifi and reconnecting the internet returns , I had this problem after installing the virtualbox in kali linux.
    my kali version: Linux kali 4.19.0-kali5-amd64 # 1 SMP Debian 4.19.37-1kali1 (2019-05-09) x86_64 GNU / Linux

    Kali is installed directly into the hard drive of a macbook pro 2010. (no dualboot)

    as said above I started to have these problems after installing the virtualbox because I use for testing, this problem only occurs in Kali Linux, in other devices the connection continues to run normally

  2. #2
    Join Date
    So, is it installed on the hard drive or is it a VM?

    The built-in card is broadcom, which isn't the best quality card.

    In any case, check dmesg/syslog when that happens, there might be some clues as of why the connection is dropping.

  3. #3
    Join Date
    It is installed directly on the hard disk, something that I noticed analyzing the logs and that the connection drops after the consumption of 1gb of connection, for the connection to return and necessary to disconnect from the network and then to return the connection, and then everything returns to normal and after the consumption of 1gb the connection drops again, I had this problem soon after installing the virtualbox in Kali Linux, I already did the removal of Virtualbox because the problem persists, maybe the virtualbox changed some file at the time of installation that may have configured a Bandwidth?
    Because on other devices I do not have this problem.

  4. #4
    Join Date
    my solution was to edit the dhclient making IP exchange time to unlimited

    lease {
    interface "wlan0";
    option subnet-mask;
    option routers;
    option dhcp-lease-time 4294967295;
    option dhcp-message-type 5;
    option domain-name-servers;
    option dhcp-server-identifier;
    renew 4 2087/06/05 06:56:36;
    rebind 4 2138/06/19 15:22:05;
    expire 2 2155/06/24 10:10:43;

    root@kali:~# dhclient -v wlan0
    Internet Systems Consortium DHCP Client 4.4.1
    Copyright 2004-2018 Internet Systems Consortium.
    All rights reserved.
    For info, please visit

    Listening on LPF/wlan0/
    Sending on LPF/wlan0/
    Sending on Socket/fallback
    DHCPREQUEST for on wlan0 to port 67
    DHCPACK of from
    RTNETLINK answers: File exists
    Timeout too large reducing to: 2147483646 (TIME_MAX - 1)

    problem solved : D

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