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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: 73,481
    01-11-2010 Go to last post
  1. SmartCard Authentication

    Hi, I'm in the process of setting up a laptop and I would like to secure the data on it with some kind of two-factor authentication. I have surfed...

    Started by Knaldgas, 04-23-2008
    • Replies: 4
    • Views: 2,266
    04-28-2008 Go to last post
  2. How secure are my files in Linux?

    Hi, How secure are my files in Linux? If lets say I want to keep certain documents hidden from others, is there a way to protect them better...

    Started by DJRepresent, 04-24-2008
    • Replies: 4
    • Views: 1,438
    04-27-2008 Go to last post
  3. iptables

    how i can execute this iptables command iptables -A FORWRD -p tcp --sport domain -j REJECT

    Started by shyma, 04-12-2008
    • Replies: 4
    • Views: 1,207
    04-23-2008 Go to last post
  4. passwd: Critical error - immediate abort

    I have just discovered a very unusual thing. Trying to change any password on my gentoo laptop is now not possible using the standard passwd utility....

    Started by humbletech99, 02-11-2007
    • Replies: 3
    • Views: 10,713
    04-22-2008 Go to last post
  5. Can I limit the IP access for user?

    I mean: can I prevent any access for some user else from a specified IP/IP's ? I know it can be for the whole server, but I need to set an IP access...

    Started by kdman, 04-12-2008
    • Replies: 8
    • Views: 3,297
    04-22-2008 Go to last post
  6. Centralized authorized_keys file

    I would like to configure ssh to use one local authorized_keys file that is populated with the rsa public keys of all my users. I tried setting the...

    Started by, 04-17-2008
    • Replies: 0
    • Views: 2,303
    04-17-2008 Go to last post
  7. Backup, Cron+file server+ Linux with Clonezilla?

    Hi, Im trying to figure out a nice backup system for my linux box. I have heard of , ( not tried, still waiting on the hardware peices for the...

    Started by peec, 04-17-2008
    • Replies: 0
    • Views: 1,953
    04-17-2008 Go to last post
  8. Port change with iptables?

    Hello, In our University-net is the SMTP-Port closed for conexions from outside. In our institut we used a firewall for security: linux 2 Nics...

    Started by ErnestoV, 04-17-2008
    • Replies: 0
    • Views: 2,322
    04-17-2008 Go to last post
  9. Backtrack 2 "live cd" trouble

    So maybe this is the wrong section, im sorry, but this is a tool to test security in a network. so i got the backtrack 2 final cd all burned to the...

    Started by feltes45, 04-16-2008
    • Replies: 2
    • Views: 1,375
    04-17-2008 Go to last post
  10. Anyone know where I can find forum-type help for openssh in Windows?

    I'm about to jump out of my Windows at this point, because the documentation is so appallingly bad for openssh... especially for Windows. Tried...

    Started by ineloquucius, 04-09-2008
    • Replies: 1
    • Views: 986
    04-12-2008 Go to last post
  11. Dns

    how i can reject domain name service (DNS) using iptables command and how i can log rejected and accepted packets in linux firewall

    Started by shyma, 04-09-2008
    • Replies: 0
    • Views: 821
    04-09-2008 Go to last post
  12. firewall

    how i can create my own firewall using iptables and create script file

    Started by shyma, 04-08-2008
    • Replies: 2
    • Views: 900
    04-08-2008 Go to last post
  13. Privacy question...

    If I am on a network and we go through a firewall and it logs traffic, is there a way to surf the web more discreetly. I can use a proxy right? ...

    Started by AboveNBeyond, 04-07-2008
    • Replies: 2
    • Views: 999
    04-07-2008 Go to last post
  14. spam from my e-mail?

    I went on line to check my e-mail this morning. I was surprised to see about 20 returned mail/spam notifications originating from my address. Most...

    Started by Farmer Mike, 04-05-2008
    • Replies: 3
    • Views: 974
    04-06-2008 Go to last post
  15. Metasploit Error

    I am using Metasploit framework 2 with the following exploits:phpbb, awstats,wordpress and wzdftpd. However, everytime i try an exploit i get this...

    Started by nengo, 04-05-2008
    • Replies: 0
    • Views: 1,199
    04-05-2008 Go to last post
  16. tacacs authentication

    Hi all, I'm a little new to Linux, but I have the beginnings down. Here's what I'm looking to do. I need my Linux box (running Unbuntu server 7.10)...

    Started by mikeduffy13, 04-03-2008
    • Replies: 0
    • Views: 4,252
    04-03-2008 Go to last post
  17. Is radcliffe methode to access par port by non-root users secure ?

    Hi. On the link below Radcliffe describes a method to give none-root users access to the parallel port and serial ports. To do robotics stuff....

    Started by vroemm, 04-02-2008
    • Replies: 0
    • Views: 833
    04-02-2008 Go to last post
  18. Lightbulb Interface design of a web-based management system for the anti-virus products

    Greetings! Kaspersky Lab is currently working on the interface design of a web-based management system for the anti-virus products of Kaspersky Lab...

    Started by badlittleduck, 04-01-2008
    • Replies: 0
    • Views: 869
    04-01-2008 Go to last post
  19. Post Securing a login with root attributes

    Hi guys, I am using Zabbix, a network monitoring tool as an application to monitor clients remotely. So, currently i have this applns. agent...

    Started by raghaven.kumar, 03-28-2008
    • Replies: 1
    • Views: 912
    03-31-2008 Go to last post
  20. How know if my server is secure?

    I recently purchased a dedicated server and I got it at a really good price, because it's a server and it's going to be running software and a...

    Started by Binxalot, 02-11-2008
    • Replies: 5
    • Views: 1,792
    03-30-2008 Go to last post

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