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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 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: 73,691
    01-11-2010 Go to last post
  1. Secure Datacontainer (I hope, Coding Flaw somewere)

    I try to make a 'Secure' Data Container without having to install Extra Kernel Modules.. but I have some problems. (I do this since I run OpenVZ and...

    Started by RobinVossen, 01-10-2008
    • Replies: 2
    • Views: 2,659
    01-10-2008 Go to last post
  2. security

    Hi, I have a question related to security difference between windows and linux ... How linux is more secure than windows , Can any body give...

    Started by mallik, 01-10-2008
    • Replies: 1
    • Views: 825
    01-10-2008 Go to last post
  3. Is this something I ought to be worried about?

    I've just installed chkrootkit and run it for the first time. As I expected and hoped, it failed to find any infected base programs or known worms....

    Started by hazel, 12-26-2007
    • Replies: 3
    • Views: 3,310
    01-07-2008 Go to last post
  4. Unhappy clamd daemon won't work :(

    Hy, I have a problem with making clamd workin. this are the steps i've tooked: CPAN - download modules Digest::SHA1 Digest::HMAC Net::DNS...

    Started by motzzzart, 01-04-2008
    • Replies: 0
    • Views: 2,787
    01-04-2008 Go to last post
  5. Rootkit detection - hidden processes

    Hi. We have reason to believe an online server we have has been comprised and a rootkit installed. When we run chkproc from chkrootkit we get: ...

    Started by da644, 12-21-2007
    • Replies: 1
    • Views: 6,462
    12-31-2007 Go to last post
  6. I need help with passwordless SSH

    Hello, Well I kinda need help with Passwordless SSH. I know there are TONS(!) of Tutorials out there. And I did take a look at nearly all of...

    Started by RobinVossen, 12-14-2007
    • Replies: 2
    • Views: 1,089
    12-28-2007 Go to last post
  7. dual OS question

    Im now thinking about using ubuntu on my new laptop with vista. I only use vista for video editing, and i'd like to keep it offline for ever. and...

    Started by bigvoo, 12-20-2007
    • Replies: 5
    • Views: 1,171
    12-21-2007 Go to last post
  8. There is no way i can prevent hacking, right?

    I am running a linux server at home. Do ya guys have any idea about security???? thanks

    Started by skyfolly, 07-26-2003
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,915
    12-20-2007 Go to last post
  9. Red face xbuntu firewall ?

    I got xubuntu ( I guess it's ubuntu lite or something) installed and running last night. before i take it online, what firewall should i install ? I...

    Started by bigvoo, 12-18-2007
    • Replies: 1
    • Views: 1,719
    12-18-2007 Go to last post
  10. Question Setting up/configuring blacklists

    Hello, I am using Ipcop, (uname -a output) Linux 2.4.34 #1 Mon Jul 16 23:11:03 GMT 2007 i686 pentium2 i386 GNU/Linux. I...

    Started by maakus, 12-14-2007
    • Replies: 0
    • Views: 784
    12-14-2007 Go to last post
  11. Secure Webparsing

    I found out that when I enter my password at Linuxforums to login the password is Encrypted before he is send to the Server.. Its in MD5 I found this...

    Started by RobinVossen, 12-13-2007
    • Replies: 0
    • Views: 891
    12-13-2007 Go to last post
  12. IPCop vs Smoothwall vs SME Server as Firewall

    Hey, Guys I just want to ask one question here. If you were to choose as a firewall from IPCop, Smoothwall and SME Server what will be you choice,...

    Started by phoebe, 12-11-2007
    • Replies: 0
    • Views: 4,843
    12-11-2007 Go to last post
  13. Trouble with the Format String Attack

    Hi everyone... Well, I started learning an attack vector called "Format String Attack". Basically I'm following this text. However, when I run the...

    Started by Master Blaster, 11-29-2007
    • Replies: 3
    • Views: 1,564
    12-10-2007 Go to last post
  14. Rejecting packets

    hi, I'm trying to develop a content filter.The problem is after dropping the packets i need to send "host unreachable" icmp message.But i don't...

    Started by bharat.bvrit, 12-06-2007
    • Replies: 3
    • Views: 1,043
    12-06-2007 Go to last post
  15. chmod Race Condition

    Hi everyone... Yesterday, while I was searching for some umask tutorials, I've bumped into this: PHP: umask - Manual Please take a quick...

    Started by Master Blaster, 11-24-2007
    • Replies: 5
    • Views: 2,847
    12-06-2007 Go to last post
  16. Bind DNS - Find machine requesting lots of failing lookups

    I am seeing lots of the failed lookups in fast succession in my logs and want a way of finding out which client ip is requesting those records from...

    Started by humbletech99, 11-29-2007
    • Replies: 6
    • Views: 1,020
    12-02-2007 Go to last post
  17. How to restore iptables starting script

    Hi folks, Ubuntu 7.04 server amd64 Just found iptables NOT running which, I suppose, was caused by accidentally deleting /home/satimis...

    Started by satimis, 12-01-2007
    • Replies: 2
    • Views: 2,357
    12-01-2007 Go to last post
  18. Question Proventia problems

    Hi. I am having a problem with my Proventia GX4004 IPS which uses Linux of course. I'm not sure what type of Linux it uses. I tried to restore the...

    Started by HypeKat, 11-29-2007
    • Replies: 5
    • Views: 5,994
    11-30-2007 Go to last post
  19. Thinking out theory for secure ssh

    Well, I run a ApplicationServer. And they settings has to be saved on the localbox. So I want to mount the /home folder on connect with NFS. I want...

    Started by RobinVossen, 11-30-2007
    • Replies: 0
    • Views: 997
    11-30-2007 Go to last post
  20. 2 questions about security ( chmod and LDAP )

    Hello everyone, im securing few servers, and in all of them, i need create the user, modify her password at first time, modify a special bashrc to...

    Started by billy_boy, 11-28-2007
    • Replies: 2
    • Views: 1,960
    11-29-2007 Go to last post

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