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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: 52,003
    01-11-2010 Go to last post
  1. openSSH working but very slow please help

    Hi guyse, my graduated project in the college is to show how to bypass proxy restrection, and i decided to publish an openssh server in my home...

    Started by uaeabudhabi77, 04-12-2007
    • Replies: 2
    • Views: 2,252
    05-13-2007 Go to last post
  2. How do I stop .....

    the logging in of root from the inital login screen? I just found a server that was allowed to do this. Why would someone have set this up this...

    Started by mace, 05-09-2007
    • Replies: 5
    • Views: 1,064
    05-10-2007 Go to last post
  3. Mount Encrypted FS from KDE

    I have an encrypted partition (/dev/hdc2) mounted at /mnt/crypto It is set up to allow users, so when I am in console, I type mount /mnt/crypto,...

    Started by palmem, 12-08-2004
    • Replies: 2
    • Views: 1,984
    05-07-2007 Go to last post
  4. Feisty Startup Guide - Security

    I've running through this to try to ensure I don't have any issues; I've gotten to the part about disabling a cracker from resarting in Console:...

    Started by kulturloseramerikaner, 05-07-2007
    • Replies: 0
    • Views: 887
    05-07-2007 Go to last post
  5. Exclamation X-server virus?

    A strange thing happened to me today. I don't know how to interprete the following situation: I have two PC's (PIII and PIV), with Nvidia Vanta and...

    Started by minthaka, 04-19-2007
    • Replies: 3
    • Views: 972
    05-06-2007 Go to last post
  6. DNS Spoofing question

    Dunno if this forum can help. But I hope you can. I just got my final assignment to make an anti-DNS spoof intrusion. I need a tool to attack my...

    Started by trigunmasteree, 04-15-2007
    • Replies: 1
    • Views: 1,354
    05-05-2007 Go to last post
  7. Transparent Traffic Sniffing

    Let's assume I throw in a multiple port Ethernet card into my Linux box -- beyond the interface I use now. Would there be any software that I...

    Started by thehemi, 05-04-2007
    • Replies: 4
    • Views: 1,299
    05-05-2007 Go to last post
  8. Trustix and Limits

    Hey guys, I've been searching all over the internet, trying to find a way to enable defined user limits inside of Trustix. I've setup...

    Started by mwest, 04-25-2007
    • Replies: 0
    • Views: 1,238
    04-25-2007 Go to last post
  9. 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: 5,609
    04-23-2007 Go to last post
  10. 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: 9,208
    04-23-2007 Go to last post
  11. 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: 713
    04-16-2007 Go to last post
  12. 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: 2,060
    04-15-2007 Go to last post
  13. 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: 13,258
    04-13-2007 Go to last post
  14. 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: 3,288
    04-12-2007 Go to last post
  15. 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: 1,032
    04-09-2007 Go to last post
  16. 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: 906
    04-09-2007 Go to last post
  17. 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: 3,576
    04-07-2007 Go to last post
  18. 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: 1,512
    04-05-2007 Go to last post
  19. 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: 3,431
    04-03-2007 Go to last post
  20. 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: 1,712
    04-03-2007 Go to last post

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