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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: 72,566
    01-11-2010 Go to last post
  1. help with proxies/filtering

    Sorry, newb has read 95% of all the squid and webfiltering howtos but can't figure out how to put it together IN CONTEXT. Yes I can change the port...

    Started by Trio3b, 02-08-2006
    • Replies: 0
    • Views: 984
    02-08-2006 Go to last post
  2. System penetration

    At a uni job fair I was advised by one of the recruiters to investigate penetration testing, most specifically aimed at Windows Server 2003. Can...

    Started by jimbaloo, 01-28-2006
    • Replies: 2
    • Views: 2,132
    01-28-2006 Go to last post
  3. PAM - only allow domain group members to log on via ssh?

    Hi, I want to allow only one group member from my domain to log in to my gentoo box. Having got the group id (15020), with my uderstanding of...

    Started by humbletech99, 01-24-2006
    • Replies: 0
    • Views: 3,374
    01-24-2006 Go to last post
  4. Unhappy Intrusion Detection System.

    Hi, Iam an novice to the linux. Iam assigned an project of designing an intrusion detection system in linux as a part of my undergraduate education....

    Started by nethunter, 12-28-2005
    • Replies: 2
    • Views: 1,327
    01-17-2006 Go to last post
  5. How to prevent Linux for prompting for new passwords?

    When I booted up Mandriva 2006.0 yesterday, it started in graphical mode, runlevel 5 (not the way I'd had it set up) and acted as though it was going...

    Started by Seren, 01-08-2006
    • Replies: 3
    • Views: 1,233
    01-15-2006 Go to last post
  6. Granting SSH access to a Ruby on Rails user

    I installed Rails and Rubygems on a web server for a customer who wants to install a Ruby on Rails application that he developped. He needs SSH...

    Started by calande, 01-12-2006
    • Replies: 0
    • Views: 1,430
    01-12-2006 Go to last post
  7. Dynamic password project

    Hi folks, Is there "dynamic password" project on Open Source? Not found on Freshmeat. Sourceforge seems not working for the time being. ...

    Started by satimis, 01-11-2006
    • Replies: 2
    • Views: 1,391
    01-12-2006 Go to last post
  8. Question How does ssh exactly work??

    Ok, I kinda got myself confused. This is how it is: I have 2 PCs, both have ssh installed. I know for sure that on the linux machine i have ssh...

    Started by Kane274, 01-11-2006
    • Replies: 3
    • Views: 22,854
    01-12-2006 Go to last post
  9. IP filters or MAC filters

    For controlling access to the internet what's more secure MAC filters or IP filtering? Or are they roughly the same. This is for a wireless router.

    Started by ThoughtVelocity, 01-08-2006
    • Replies: 5
    • Views: 5,525
    01-11-2006 Go to last post
  10. my friend's website is virus infected with this code

    All the files at one of my friend's website is virus infected, it has inserted following code in it. <? echo...

    Started by AjiNIMC, 01-03-2006
    • Replies: 2
    • Views: 5,617
    01-06-2006 Go to last post
  11. log analysis tips needed..

    i analyse the daily PIX logs using fwanalog. It takes a lot of time but the result is really good and easy to parse. But since i am new to security...

    Started by Punter, 12-26-2005
    • Replies: 2
    • Views: 1,354
    01-04-2006 Go to last post
  12. /etc on seperate partition

    Hi, Is it possible to mount the /etc directory on a seperate partition? Ideally, I want that partition on a USB pen drive that it in read-only...

    Started by helpmhost, 12-21-2005
    • Replies: 5
    • Views: 2,062
    12-30-2005 Go to last post
  13. Question Can LinuxShield identify known rootkits

    I understand the difference between a rootkit and a virus, however my customer is in need of virus protection for their linux based systems. I...

    Started by meiser, 12-29-2005
    • Replies: 2
    • Views: 1,327
    12-29-2005 Go to last post
  14. Firewall Specifics

    ###Basically here's a summary of what i want to achieve by using the firewall:-> HTTP port 80 is open for everyone in my network. Some...

    Started by achillies, 12-26-2005
    • Replies: 1
    • Views: 1,682
    12-29-2005 Go to last post
  15. Blocking Yahoo Messenger

    Hi guys, I want to block only yahoo messenger in squid proxy with out efecting other sites. Can anyone please help me out? Thanks...

    Started by Deepak.kpadhi, 12-19-2005
    • Replies: 2
    • Views: 7,254
    12-28-2005 Go to last post
  16. Controlling Internet Access

    Hi guys, In my position at work, I have 'inhereted' an Internet Gateway which is based on Debian. It has some great tools on it such as WonderShaper...

    Started by Johnny_Summers, 10-20-2005
    • Replies: 5
    • Views: 1,421
    12-28-2005 Go to last post
  17. Smile some body help me

    I am facing a problem. This might be little bit irritating for but I am required a solution. I am using SAMBA server on REDHAT 7.x & Advance server 3...

    Started by farooqkhan, 12-21-2005
    • Replies: 2
    • Views: 1,113
    12-22-2005 Go to last post
  18. Lock Down Ubuntu?

    have installed Ubuntu 5.10 on a standard PC. Works beautifully. I now want to set it up for a non-admin user in Kiosk mode for our library and lock...

    Started by durjan singh, 12-16-2005
    • Replies: 1
    • Views: 8,590
    12-22-2005 Go to last post
  19. Modern Day SYN-Flood?

    All, First, Merry Christmas to all! Next, and the reason for the post: I seem to be the victim of an annoying, yet not debilitating, attack...

    Started by dflan, 12-21-2005
    • Replies: 1
    • Views: 2,163
    12-22-2005 Go to last post
  20. lastlog and faillog

    how can i view the contents of the lastlog file? i opened it with a text editor and all i can see are garbled texts. it seems the file is binary (i...

    Started by y2kdis, 12-15-2005
    • Replies: 3
    • Views: 12,315
    12-16-2005 Go to last post

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