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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: 52,847
    01-11-2010 Go to last post
  1. Compiling SELinux policy

    When i run make in the policy directory in fedora 5, i get this message: WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly? ...

    Started by nengo, 02-26-2008
    • Replies: 0
    • Views: 774
    02-26-2008 Go to last post
  2. Unhappy how to break grub password

    Hi I forget my grub password. so that when i want to go into single user mode from the grub stage. but i can't so that i want to brak that...

    Started by harsh4harshil, 02-22-2008
    • Replies: 1
    • Views: 4,015
    02-22-2008 Go to last post
  3. Logging - Text File to Syslog

    I have some databases which log to a flat text file and I don't think that this version can log to syslog, so I'd like to stream the log file into...

    Started by humbletech99, 01-29-2008
    • Replies: 6
    • Views: 10,515
    02-20-2008 Go to last post
  4. Rkhunter help *

    Hi, my name is Ben. Im new here. I have a server that we're using RKhunter on. It seems to work fine. I am just concerned with the Daily run...the...

    Started by Golgo13, 01-16-2008
    • Replies: 2
    • Views: 825
    02-20-2008 Go to last post
  5. Botnets, a free tool and 6 years of Linux/Rst-B

    Sophos labs are researching how prominent Linux based botnet controllers are and would appreciate your help. If you donít run anti-virus on your...

    Started by slawek_mk, 02-20-2008
    • Replies: 0
    • Views: 822
    02-20-2008 Go to last post
  6. Snort - What change on snort.conf to detect IP list scan???

    Hello to all I been testing an IDS to see if detects all kinds (that i know) of scans I used a popular program for scanning and detects almost...

    Started by Saltamontes, 02-19-2008
    • Replies: 0
    • Views: 1,962
    02-19-2008 Go to last post
  7. Strange portscan activity

    Hello, a few days ago I detected my site is over-loaded (too many mysql connections). Checking netstat I discovered something strange: like...

    Started by Morgenhund, 02-18-2008
    • Replies: 0
    • Views: 668
    02-18-2008 Go to last post
  8. Question Ubuntu 7.10 can't keep crackers out

    I am writing this on what I think is a cracked machine. The other day I was cracked, I made a fresh install and was cracked again. So I dId another...

    Started by jgz, 02-17-2008
    • Replies: 0
    • Views: 846
    02-17-2008 Go to last post
  9. netstat? How do I change rules in it?

    If I do netstat -ltn on my systm it lists all of the ports that are open and listening. Here is what it relays to me: Active Internet connections...

    Started by Binxalot, 02-15-2008
    • Replies: 3
    • Views: 2,799
    02-15-2008 Go to last post
  10. How can I protect a folder with a password?

    I need to password-protect my directories, because I don't want my boss to see everything I save or download. He obviously knows the 'root' password...

    Started by silviapreda, 12-11-2004
    • Replies: 7
    • Views: 47,360
    02-15-2008 Go to last post
  11. Allow FTP to users restrict other users

    How do I allow some users the ability to FTP and SSH, and restrict others from doing this? Machine is running Slackware 9.1, ProFTPd. I wish to...

    Started by vern, 02-14-2008
    • Replies: 2
    • Views: 2,698
    02-15-2008 Go to last post
  12. Red Hat installation Firewall / iptables

    The Redhat installation has a firewall setting that was configured by someone else before I took it over. When asked to modify the firewall, I went...

    Started by manouche, 01-17-2008
    • Replies: 2
    • Views: 3,028
    02-13-2008 Go to last post
  13. Question iptabls counter

    please let me know detail all about the iptables counter, what is reflecting by the iptables counter ?

    Started by kbchoudhury, 02-12-2008
    • Replies: 1
    • Views: 1,088
    02-12-2008 Go to last post
  14. I thought of a way to Attack Linux. Is this possible, how to prevent this?

    Well as a CEH in training that already is hired for CEH stills I get paid for thinking about security. If I have to check the Security of a Company...

    Started by RobinVossen, 12-04-2007
    • Replies: 3
    • Views: 820
    02-11-2008 Go to last post
  15. Security for the average home network

    Just recently joined and you can definitely say I'm a n00b but I recently started looking into security for my home network. Given that I'm using a...

    Started by ozarka74, 02-10-2008
    • Replies: 1
    • Views: 847
    02-11-2008 Go to last post
  16. FTP from Linux to Windows

    hi, I remotely login to my Linux server via SSH from Windows client. Now I am in Linux Server. I can ping to my windows client too. Now I want...

    Started by envisage, 01-31-2008
    • Replies: 1
    • Views: 15,007
    01-31-2008 Go to last post
  17. Bayesian IDS

    hi, I want to if any open source network IDS based on bayesian classifiers/network is available or if any of you have given a try... , I want some...

    Started by Dinakara, 01-30-2008
    • Replies: 0
    • Views: 757
    01-30-2008 Go to last post
  18. Working with SELinux

    Hi, I am a newbie with SELinux but i have to use it to demonstrate how it can prevent zero day attacks.I would like to use it especially with...

    Started by nengo, 01-30-2008
    • Replies: 0
    • Views: 616
    01-30-2008 Go to last post
  19. How to make a tool for Network Intrusion Detection System?

    hi everybody, Can anyone plz tell me that how to make a tool for Network Intrusion Detection System. We want a GUI in which all performance...

    Started by rahulk.iiita, 01-28-2008
    • Replies: 5
    • Views: 1,278
    01-28-2008 Go to last post
  20. iptables issues....pls help

    Hi all, I have an exiting server that user for web server only. Can anyone help check whether correct? the following was my iptables...

    Started by chusoon, 01-19-2008
    • Replies: 4
    • Views: 750
    01-28-2008 Go to last post

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