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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: 50,436
    01-11-2010 Go to last post
  1. 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: 555
    01-10-2008 Go to last post
  2. 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: 2,748
    01-07-2008 Go to last post
  3. 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: 2,334
    01-04-2008 Go to last post
  4. 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: 5,871
    12-31-2007 Go to last post
  5. 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: 782
    12-28-2007 Go to last post
  6. 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: 720
    12-21-2007 Go to last post
  7. 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: 6,374
    12-20-2007 Go to last post
  8. 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: 1,317
    12-18-2007 Go to last post
  9. 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: 544
    12-14-2007 Go to last post
  10. 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: 620
    12-13-2007 Go to last post
  11. 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: 4,230
    12-11-2007 Go to last post
  12. 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: 1,291
    12-10-2007 Go to last post
  13. 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: 729
    12-06-2007 Go to last post
  14. 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: 2,023
    12-06-2007 Go to last post
  15. 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: 655
    12-02-2007 Go to last post
  16. 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: 1,848
    12-01-2007 Go to last post
  17. 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: 3,794
    11-30-2007 Go to last post
  18. 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: 641
    11-30-2007 Go to last post
  19. 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: 1,435
    11-29-2007 Go to last post
  20. flood blocker via htaccess

    (i am using vb 3.6.8 in shared host) is it possbile to block flood attack using htaccess someone attack (via vbulletin) my site using a...

    Started by zodehala, 11-22-2007
    • Replies: 3
    • Views: 3,115
    11-23-2007 Go to last post

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