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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: 73,274
    01-11-2010 Go to last post
  1. Unhappy File Permissions - Windows vs. *NIX

    Hey so I'm stuck here. I'm trying to switch from a Windows Server 2003 (NTFS drives) to a Ubuntu (ext3). This server is mainly a file server, and...

    Started by Fermulator, 05-12-2007
    • Replies: 6
    • Views: 6,093
    05-15-2007 Go to last post
  2. 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: 2,611
    05-13-2007 Go to last post
  3. 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: 1,433
    05-10-2007 Go to last post
  4. 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: 2,480
    05-07-2007 Go to last post
  5. 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, 05-06-2007
    • Replies: 0
    • Views: 1,153
    05-06-2007 Go to last post
  6. 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: 1,292
    05-05-2007 Go to last post
  7. 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: 1,674
    05-05-2007 Go to last post
  8. 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: 1,965
    05-04-2007 Go to last post
  9. 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: 1,546
    04-25-2007 Go to last post
  10. 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: 6,371
    04-23-2007 Go to last post
  11. 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: 10,387
    04-23-2007 Go to last post
  12. 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: 973
    04-16-2007 Go to last post
  13. 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: 2,379
    04-15-2007 Go to last post
  14. 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: 15,673
    04-13-2007 Go to last post
  15. 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: 3,749
    04-12-2007 Go to last post
  16. 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: 1,367
    04-09-2007 Go to last post
  17. 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: 1,240
    04-09-2007 Go to last post
  18. 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: 4,281
    04-07-2007 Go to last post
  19. 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: 2,253
    04-05-2007 Go to last post
  20. 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: 4,857
    04-03-2007 Go to last post

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