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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 linuxforums.org 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: 51,243
    01-11-2010 Go to last post
  2.  
  1. SEC issue on regex recog

    Hi, I'm new to this forum and I need some explanation about the using of te regular expressions to gathering information, using SEC, on the logs...

    Started by velegi, 01-10-2011
    • Replies: 2
    • Views: 833
    01-10-2011 Go to last post
  2. Jail firefox.

    So i have been using Linux for a couple of years now and i still don't like the idea of my browser running naked on the interwebz, so i was going to...

    Started by TheJanitor, 01-06-2011
    • Replies: 4
    • Views: 1,075
    01-09-2011 Go to last post
  3. running sshd on a differnet port

    Hi, I have two different networks, A and B and need to be able to connect from A to B over the open internet. A is behind a firewall, B is...

    Started by parkejr, 01-07-2011
    • Replies: 4
    • Views: 972
    01-08-2011 Go to last post
  4. how to Avoid adding users to group like wheel?

    i just want to prevent from now on from all users maybe even root from adding other users to groups like wheel for example. I also want to know how...

    Started by yakikaki30, 01-07-2011
    • Replies: 1
    • Views: 494
    01-07-2011 Go to last post
  5. vim security hole

    Yesterday, while browsing in the newbie forum, I found something that astonished me. Someone had made a read-only file, loaded it into vi, altered...

    Started by hazel, 12-30-2010
    • Replies: 5
    • Views: 1,857
    01-02-2011 Go to last post
  6. Can a router be cleaned or formated?

    I got banned in a fun forum for defending myself from a psychotic stalker, who seemed to be hellbent on starting flame wars with me. The monster...

    Started by Cocoa, 12-31-2010
    • Replies: 2
    • Views: 500
    01-02-2011 Go to last post
  7. How much does "Dr. Web" really do?

    When you run "Dr. Web" on an email's link, and it gives you a "clean bill of health" on that link, is that link totally safe, or can a link seem to...

    Started by Cocoa, 12-19-2010
    • Replies: 7
    • Views: 2,530
    01-01-2011 Go to last post
  8. [SOLVED] useradd issue

    Hi all when we add user using useradd command with -m option its home directory also gets created with bash_profile,bashrc ,bash_logout file ...

    Started by Piyu_86, 12-29-2010
    • Replies: 2
    • Views: 2,282
    12-29-2010 Go to last post
  9. Smile projects ideas

    I need projects ideas in network security system like java cards application ,fighting spam with postfix.........

    Started by staph, 10-22-2010
    • Replies: 1
    • Views: 1,113
    12-17-2010 Go to last post
  10. userdel command

    Hi all I am facing one problem with userdel command my home directory permission is set to 755 and the owner is root group is also root ...

    Started by Piyu_86, 12-14-2010
    • Replies: 1
    • Views: 1,568
    12-15-2010 Go to last post
  11. set environment variable for non interactive ssh login

    hi all I am facing one problem regarding ssh login and setting environment variable i have written $HOME/.ssh/environment file...

    Started by Piyu_86, 12-13-2010
    • Replies: 0
    • Views: 3,402
    12-13-2010 Go to last post
  12. Making Secured Connection Using Lighttpd Web Server

    Hi, I have cross compiled and configured lighttpd server on my PXA270 ARM board. I am able to login to this server through http connection....

    Started by sumitv, 12-03-2010
    • Replies: 3
    • Views: 1,000
    12-06-2010 Go to last post
  13. Secure /etc/fstab configuration

    Hi, I would like to have some comments on my /etc/fstab configuration. I want to have usability and security. Did I succeed? proc ...

    Started by Keessince1988, 11-29-2010
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 5,335
    12-05-2010 Go to last post
  14. A simple question about suid

    I was just curious to know: if I run a program which runs suid as root, and it crashes, what are my access rights at that point? Am I still root or...

    Started by hazel, 11-18-2010
    • Replies: 4
    • Views: 699
    11-23-2010 Go to last post
  15. how to log file access

    Hi all, I want to log all access from other users to my specific files. For instance, I wan to know who read or copy my files. If anybody...

    Started by it_nb, 10-05-2005
    • Replies: 3
    • Views: 5,388
    oz
    11-19-2010 Go to last post
  16. openssh: why difference in transfer speed?

    Using sftp on openssh, I notice consistently my download speed (from server to desktop) is about twice as fast as the upload speed. Anyone know...

    Started by sftpfilecontrol, 09-14-2010
    • Replies: 4
    • Views: 1,315
    11-14-2010 Go to last post
  17. Compromised Linux servers

    What is the best way to investigate a compromised Linux Server? I have downloaded Knoppix 6.2.1 on my laptop which is booting off my USB drive. What...

    Started by epacheco, 11-13-2010
    • Replies: 2
    • Views: 911
    11-13-2010 Go to last post
  18. Encrypting Backups

    Hello I have a backup script that tars directories and place it on another FS, I want to include encryption of the files being transferred but...

    Started by abusam, 10-27-2010
    • Replies: 4
    • Views: 675
    11-10-2010 Go to last post
  19. Question on iptables

    Hello everyone, I need to configure an iptables in order to blocks everything except web traffic and the file transfer protocol. I searched for...

    Started by lovesunset21, 11-08-2010
    • Replies: 0
    • Views: 526
    11-08-2010 Go to last post
  20. evolution and pgp

    Not sure this is the best group to post to. Apologies if it isn't. Can anyone point me to software or configuration help that will allow me to...

    Started by jgeorge, 10-29-2010
    • Replies: 2
    • Views: 1,189
    11-07-2010 Go to last post

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