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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: 51,238
    01-11-2010 Go to last post
  1. linking rc.firewall

    guys.. isnt that rc.firewall from /etc/rc.d is linked in (i think) /etc/ppp ? the question is, how can i make the link? wat should i do? isnt...

    Started by icedtea, 02-20-2006
    • Replies: 0
    • Views: 1,083
    02-20-2006 Go to last post
  2. Question: How do I block someone using MAC or IP Address? (IPTables)

    Splunking at my logs I found a long chain of unauthorized entries, already captured the IP's and MAC addresses, actually I use firestarter as my...

    Started by dothacktsukimoto, 02-16-2006
    • Replies: 2
    • Views: 12,877
    02-20-2006 Go to last post
  3. Hacked linux box

    Somebody has managed to find out a password into my linux box on internet. Is there a way, how can I find out, what he did during his session? He was...

    Started by durino13, 02-17-2006
    • Replies: 2
    • Views: 1,289
    02-18-2006 Go to last post
  4. Exclamation There was a blocked connection to my box

    Ubuntu doesn't have a firewall installed... So I had to install one... I dlded firestarter and started running it... Then I saw this on the...

    Started by daacosta, 02-14-2006
    • Replies: 3
    • Views: 1,171
    02-18-2006 Go to last post
  5. Subseven

    I installed firestarter firewall the other day and i had a strange outgoing log feb 15 time, outgoing, eth0, port:1234 "my server internal addy"...

    Started by Spagnuts, 02-16-2006
    • Replies: 0
    • Views: 3,388
    02-16-2006 Go to last post
  6. Securing My Debian Box

    Hi i was wondering if anyone here could help me in securing my box, I DONT have a clue about linux firewalls and ports and what does what only ever...

    Started by dr1v3r, 01-24-2006
    • Replies: 3
    • Views: 9,101
    02-16-2006 Go to last post
  7. Linux secure log

    I found that message in my /var/log/secure file: Accepted password for user-name from port 50445 ssh2 The user-name is...

    Started by shuttler, 01-25-2006
    • Replies: 3
    • Views: 9,971
    02-13-2006 Go to last post
  8. proxies

    im really new to proxies (and just about everything else) and im looking them up on google. could anyone please help supplement / explain what im...

    Started by whisker, 02-11-2006
    • Replies: 1
    • Views: 1,192
    02-13-2006 Go to last post
  9. Exclamation Passwords without the encoding

    I have Linux Fedora Core 4. i will truely appreciate if someone can answer these questions.. Firstly in which file the passwords are writen in ?...

    Started by GiluR_101, 01-14-2006
    • Replies: 2
    • Views: 956
    02-12-2006 Go to last post
  10. VPN Configuration

    Hi, Can anyone please guide me how to configure and maintain VPN in linux? I'm using RHEL 3.0 ES. Waiting for response. Thanks , Deepak

    Started by Deepak.kpadhi, 01-04-2006
    • Replies: 2
    • Views: 3,404
    02-08-2006 Go to last post
  11. 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: 783
    02-08-2006 Go to last post
  12. 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: 1,800
    01-28-2006 Go to last post
  13. 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: 3,025
    01-24-2006 Go to last post
  14. 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: 1,103
    01-17-2006 Go to last post
  15. 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: 1,034
    01-15-2006 Go to last post
  16. 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: 1,278
    01-12-2006 Go to last post
  17. 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: 1,124
    01-12-2006 Go to last post
  18. 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: 21,484
    01-12-2006 Go to last post
  19. 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: 4,218
    01-11-2006 Go to last post
  20. 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: 5,047
    01-06-2006 Go to last post

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