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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at linuxforums.org we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 50,565
    01-11-2010 Go to last post
  2.  
  1. Smile How to conceal my IP address

    I have a machine, a server, with an IP address as normal. I want to make it as invisible as possible to the outside world, but I need access to the...

    Started by nadeemmalik, 04-02-2007
    • Replies: 2
    • Views: 3,523
    04-07-2007 Go to last post
  2. Offline attack in Linux

    Imagine if the attacker has your hardware in hand. He can perform an offline attack, and can easy change root password to control the system. How...

    Started by from_america_with_love, 12-01-2006
    • Replies: 9
    • Views: 1,467
    04-05-2007 Go to last post
  3. oh$hit. I think my server was pwn3d...

    A few days ago, I signed up for a hosted server w/Ubuntu 6.10 on it. Yesterday, ssh stopped working for no obvious reason. Today, I noticed a few...

    Started by miamicanes, 03-22-2007
    2 Pages
    1 2
    • Replies: 11
    • Views: 3,339
    04-03-2007 Go to last post
  4. Unhappy Virus attack on linux box.

    Hai all, Can a virus attack a unix/linux box? As we know windows is suffering from massive attacks by the viruses, so how about linux box? Can we...

    Started by Naveen Kumar D, 03-30-2007
    • Replies: 6
    • Views: 1,684
    04-03-2007 Go to last post
  5. write my own packet sniffer

    Actually, i would like to write my own packet sniffer, using packet sockets (not interested in pcap). I've search deeply for some kind of tutorial,...

    Started by VouLT, 02-27-2007
    • Replies: 3
    • Views: 8,453
    04-02-2007 Go to last post
  6. block yahoo messenger

    How is it possible to block yahoo messenger using iptables? The new version of yahoo messenger seems to be using IP address from a large range of IP...

    Started by doshiaj, 09-30-2004
    • Replies: 7
    • Views: 22,658
    04-01-2007 Go to last post
  7. change linux password using web based script

    actually, i am not sure if the best way to change a linux system password using the web is a script. i don't know if there are other ways of doing it...

    Started by aenguillo, 04-01-2007
    • Replies: 0
    • Views: 1,942
    04-01-2007 Go to last post
  8. IPSec w/ RHEL4 - Racoon error messages

    Can someone tell me what this means? I can't figure out what is going wrong with my IPSec setup. I'm using RHEL4 with a 2.6 kernel and the latest...

    Started by s0n|k, 03-30-2007
    • Replies: 1
    • Views: 8,367
    03-30-2007 Go to last post
  9. Specialised Pen-testing/Security distros

    Hi Guys, I'm about to make a minor career change, and I'm moving into IT security and penetration testing. I've still got a lot to learn but...

    Started by Catsworth, 07-25-2006
    • Replies: 8
    • Views: 7,169
    03-29-2007 Go to last post
  10. SFTP server chrooted

    I am setting up an sftp server but want each user account chrooted to it's own jail. I have followed...

    Started by humbletech99, 03-28-2007
    • Replies: 2
    • Views: 5,465
    03-28-2007 Go to last post
  11. Question Problems with Jailkit 2.3 GUI and /proc

    Hi.... In the project which I m working on is about giving fake virtual environment to malicious user and making his log on system. I m...

    Started by KoolK, 03-27-2007
    • Replies: 0
    • Views: 1,198
    03-27-2007 Go to last post
  12. Smile RH Enterprise Linux Security

    Dear all, I have a new xw9300 workstation (dual processor, core 2) with Red Hat Enterprise Linux WS installed as the OS. I intend to use it mostly...

    Started by nadeemmalik, 03-16-2007
    • Replies: 4
    • Views: 1,007
    03-23-2007 Go to last post
  13. Ext3 filesystem - can undelete work ??

    i googled for help on ext3 undelete, but all i found was for ext2fs. can undelete be accomodated for an ext3 filesystem ??? ne suggestions?? thx

    Started by UnDetEctEd, 09-09-2004
    • Replies: 7
    • Views: 78,177
    03-22-2007 Go to last post
  14. Post Prevent applications from communicating

    Hi, does anyone know any apoplications to stop selected information from being sent over the internet? For example I install an application but don't...

    Started by Tim_Wright, 03-10-2007
    • Replies: 2
    • Views: 892
    03-21-2007 Go to last post
  15. racoon vpn tunnel to cisco router

    Hi everybody, I'm trying to configure a tunnel between a linux box with racoon and a costumer cisco router. In the same racoon there're other...

    Started by Luis Adrados, 03-21-2007
    • Replies: 0
    • Views: 9,177
    03-21-2007 Go to last post
  16. Question Asking For Password During RPM Rebuild

    I try to rebuild Autogen source code src.rpm package from fr.rpmfind.net (version 5.9). The packager of the source package is Sourceforge.net. ...

    Started by xxqq, 03-18-2007
    • Replies: 0
    • Views: 868
    03-18-2007 Go to last post
  17. Disabling login access to account, nologin,false or null?

    which is better for security in order to disable login to an account, setting the shell to false, nologin or null? is there any difference?

    Started by humbletech99, 03-16-2007
    • Replies: 3
    • Views: 4,509
    03-16-2007 Go to last post
  18. ftp security

    Hello, in vsftpd, chown_user setting enables anonymously uploaded files to be chowned by a certain user, but it only works for files that are...

    Started by bentaylor, 03-13-2007
    • Replies: 1
    • Views: 659
    03-16-2007 Go to last post
  19. Owned by root, but world rwx'able. Dangerous?

    I'm a bit new to securing LINUX, and I've been reading as much as I can find on unix security and decided to have a go on my own box. In the...

    Started by iheartGNU, 03-10-2007
    • Replies: 3
    • Views: 1,362
    03-13-2007 Go to last post
  20. Archive type not supported???

    Yesterday I read Fingal's post in the security section of LinuxForums. ( Thanks Fingal ) The part about " rootkits " describes what I think...

    Started by cousinlucky, 03-12-2007
    • Replies: 5
    • Views: 8,889
    03-13-2007 Go to last post

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