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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: 71,860
    01-11-2010 Go to last post
  1. Exclamation RSA Securid

    Hi there, I am trying to setup a series of RHEL3/4 servers to use the RSA Securid technology for SSH authentication. I have downloaded...

    Started by keirwhitlock, 04-23-2007
    • Replies: 0
    • Views: 6,329
    04-23-2007 Go to last post
  2. Question User Limits In Linux

    Here's the problem !, I want some specific users on my box have higher user limits, to do some specific tasks, however ! I tried using the ulimit...

    Started by dNetGuru, 04-05-2007
    • Replies: 5
    • Views: 10,221
    04-23-2007 Go to last post
  3. Odd quota readings

    I have Webmin installed on several of my servers and latly I notices several users listed in the disk quota area for example user #786, this is the...

    Started by GlacierBill, 04-16-2007
    • Replies: 0
    • Views: 946
    04-16-2007 Go to last post
  4. Testing password security

    Hi - I've been using John the Ripper to test the security of my passwords (both user and root) and so far so good ... it's been running for just...

    Started by fingal, 04-15-2007
    • Replies: 2
    • Views: 2,351
    04-15-2007 Go to last post
  5. vpnclient suid

    I'm wondering if there's a way to use 'suid' for the Cisco vpnclient. I see discussion on the web regarding versions that had the bit set by...

    Started by pajamabama, 05-07-2006
    • Replies: 2
    • Views: 15,477
    04-13-2007 Go to last post
  6. Possible Break-in Attempt

    I"m running FC6 and the logwatch that is generated each day had the following entry in it: **Unmatched Entries** reverse mapping checking...

    Started by PortDreams, 04-12-2007
    • Replies: 0
    • Views: 3,704
    04-12-2007 Go to last post
  7. Giving users a perl script as remote shell

    Hello. I am interested in allowing people to ssh into my box in order to interact with a perl script I've written (to solve suduku puzzles), and I'm...

    Started by j0nb, 04-07-2007
    • Replies: 1
    • Views: 1,328
    04-09-2007 Go to last post
  8. Angry file sharing in samba service problem

    Hello guys. I had faced a problem regarding files sharing in samba service. In my office i have a server loaded with fedora and...

    Started by netmeetcomputers, 04-09-2007
    • Replies: 0
    • Views: 1,206
    04-09-2007 Go to last post
  9. 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: 4,198
    04-07-2007 Go to last post
  10. 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: 2,156
    04-05-2007 Go to last post
  11. 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: 4,546
    04-03-2007 Go to last post
  12. 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: 2,338
    04-03-2007 Go to last post
  13. 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: 9,565
    04-02-2007 Go to last post
  14. 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: 23,983
    04-01-2007 Go to last post
  15. 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: 2,435
    04-01-2007 Go to last post
  16. 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: 10,013
    03-30-2007 Go to last post
  17. 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: 8,560
    03-29-2007 Go to last post
  18. 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: 6,007
    03-28-2007 Go to last post
  19. 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: 1,717
    03-27-2007 Go to last post
  20. 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: 1,360
    03-23-2007 Go to last post

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