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Thread: Ettercap hangs while scanning for hosts

  1. #1
    Senior Member
    Join Date
    Apr 2006
    Posts
    154

    Default Ettercap hangs while scanning for hosts

    Hi!
    I hope this is the right forum...anyway here's my problem: when i try to scan for hosts with ettercap, it hangs at 100% (same if i use gtk or ncurses).
    Any idea?

    many thanks for your help!

  2. #2
    r083rt
    Guest

    Default Re: Ettercap hangs while scanning for hosts

    Code:
    sudo apt-get remove --purge ettercap-gtk
    sudo apt-get remove --purge ettercap-common
    sudo apt-get install ettercap-gtk
    r083rt

  3. #3
    Junior Member Deadboy's Avatar
    Join Date
    May 2009
    Location
    Louisiana
    Posts
    39

    Default Re: Ettercap hangs while scanning for hosts

    For BT5 32bit go to: https://launchpad.net/~timothy-redae...+build/1758139
    For BT5 64bit go to: https://launchpad.net/~timothy-redae...+build/1758138

    Download ettercap-common* & ettercap-gtk* .deb's

    Remove installed files:
    Code:
    sudo apt-get remove --purge ettercap-gtk
    sudo apt-get remove --purge ettercap-common
    Then "dpkg -i" install the new downloaded .deb's from terminal. Example (for 32bit):
    Code:
    dpkg -i ettercap-common_0.7.3-1.4ubuntu1drizzt1_i386.deb ettercap-gtk_0.7.3-1.4ubuntu1drizzt1_i386.deb
    Last edited by Deadboy; 05-14-2011 at 01:14 AM.
    "Why is it drug addicts and computer afficionados are both called users? "

  4. #4
    r083rt
    Guest

    Default Re: Ettercap hangs while scanning for hosts

    please check post on my instructions

    http://www.backtrack-linux.org/forum...-ettercap.html

  5. #5
    Just burned his ISO
    Join Date
    May 2008
    Posts
    3

    Default Re: Ettercap hangs while scanning for hosts

    the same thing happens to me and i tried to uninstall and reinstall it and it still hangs at 100%.

  6. #6
    r083rt
    Guest

    Default Re: Ettercap hangs while scanning for hosts

    hmm you doing something wrong check list

    edited etter.conf file *
    forward ip *
    redirect ports *
    sslstrip *

    question have you tried the command way I recon when your using the gtk you havent select the hosts right something strange

    ok do this forget all that for a second do this
    Code:
    ettercap -T -q -M ARP // //
    take a snapshot of that terminal and post it dont worry about sslstrip or anthing else **** DONT USE etter-gtk use command

    close ettercap terminal by pressing 'q' dont just close the window its very important

    I bet I know whats wrong your not using 'q' and the causing dos and ettercap cant scan the network becuase it down

    r083rt
    Last edited by r083rt; 05-14-2011 at 12:06 AM.

  7. #7
    Senior Member
    Join Date
    Apr 2006
    Posts
    154

    Default Re: Ettercap hangs while scanning for hosts

    Quote Originally Posted by Deadboy View Post
    For BT5 32bit go to: https://launchpad.net/~timothy-redae...+build/1758139
    For BT5 64bit go to: https://launchpad.net/~timothy-redae...+build/1758138

    Download ettercap-common* & ettercap-gtk* .deb's

    Remove installed files:
    Code:
    sudo apt-get remove --purge ettercap-gtk
    sudo apt-get remove --purge ettercap-common
    Then "dpkg -i" install the new downloaded .deb's from terminal. Example (for 32bit):
    Code:
    dpkg -i ettercap-common_0.7.3-1.4ubuntu1drizzt1_i386.deb ettercap-gtk_0.7.3-1.4ubuntu1drizzt1_i386.deb

    worked perfectly, i remember i found that page while trying to install ettercap on ubuntu some years ago...
    thanks!

  8. #8
    Junior Member
    Join Date
    Jun 2008
    Posts
    26

    Default Re: Ettercap hangs while scanning for hosts

    Quote Originally Posted by Deadboy View Post
    For BT5 32bit go to: https://launchpad.net/~timothy-redae...+build/1758139
    For BT5 64bit go to: https://launchpad.net/~timothy-redae...+build/1758138

    Download ettercap-common* & ettercap-gtk* .deb's

    Remove installed files:
    Code:
    sudo apt-get remove --purge ettercap-gtk
    sudo apt-get remove --purge ettercap-common
    Then "dpkg -i" install the new downloaded .deb's from terminal. Example (for 32bit):
    Code:
    dpkg -i ettercap-common_0.7.3-1.4ubuntu1drizzt1_i386.deb ettercap-gtk_0.7.3-1.4ubuntu1drizzt1_i386.deb
    as mentioned, this works perfectly.

  9. #9
    Just burned their ISO
    Join Date
    Jul 2010
    Posts
    23

    Default Re: Ettercap hangs while scanning for hosts

    I am running BT5 on VMWare - I had uninstall ettercap-gtk and ettercap-common.
    "dpkg -i" install the ubuntu1drizzt1_i386.deb version - now i can see the ettercap,
    not before.

    When I do>

    sudo ettercap -T -q -i wlan1

    Listening on wlan1... (Ethernet)

    wlan1 -> 00:C0:CA:XX:XX:XX invalid invalid

    Privileges dropped to UID 65534 GID 65534...

    28 plugins
    39 protocol dissectors
    53 ports monitored
    7587 mac vendor fingerprint
    1698 tcp OS fingerprint
    2183 known services

    Starting Unified sniffing...


    Text only Interface activated...
    Hit 'h' for inline help
    Then...nothing happen

    When I close using the 'q' key, I get

    iptables v1.4.4: can't initialize iptables table `nat': Permission denied (you must be root)
    Perhaps iptables or your kernel needs to be upgraded.
    Same thing if I use

    ettercap -C --> Unified...--> scan for host


    I would appreciated if I can get some help, ideas.....thanks

  10. #10
    Just burned his ISO
    Join Date
    Aug 2011
    Posts
    1

    Default Re: Ettercap hangs while scanning for hosts

    Quote Originally Posted by Deadboy View Post
    For BT5 32bit go to: https://launchpad.net/~timothy-redae...+build/1758139
    For BT5 64bit go to: https://launchpad.net/~timothy-redae...+build/1758138

    Download ettercap-common* & ettercap-gtk* .deb's

    Remove installed files:
    Code:
    sudo apt-get remove --purge ettercap-gtk
    sudo apt-get remove --purge ettercap-common
    Then "dpkg -i" install the new downloaded .deb's from terminal. Example (for 32bit):
    Code:
    dpkg -i ettercap-common_0.7.3-1.4ubuntu1drizzt1_i386.deb ettercap-gtk_0.7.3-1.4ubuntu1drizzt1_i386.deb
    i love you dude lolllll i have been looking for a solution to this for a week now - literally tried everything.
    but your solution worked for me like a charm - i am running BT5 KDE 32Bit - i might try it on 64bit and report back.

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