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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: 73,700
    01-11-2010 Go to last post
  1. pam won't let me login at agetty

    After I emerged gnome and rebooted my gentoo box, i can no longer login from the physical terminal (agetty, ctrl-shift f1-f6). It asks me for...

    Started by emanresu, 07-07-2006
    • Replies: 0
    • Views: 2,616
    07-07-2006 Go to last post
  2. Questions about firestarter

    Okay, I checked the literature on Firestarter and failed to see whre you can port forward from multiple exteral IP addresses attached to the same NIC...

    Started by gtmtnbiker98, 06-30-2006
    • Replies: 1
    • Views: 1,451
    07-04-2006 Go to last post
  3. Pam

    Hi how do i compile and debug a pluggable authentication module(PAM)?

    Started by pasupuleti, 07-04-2006
    • Replies: 0
    • Views: 1,005
    07-04-2006 Go to last post
  4. Unhappy question: can I call _dl_open directly?

    Hi Here's a problem I met during the implementation of injectso in Linux. I "ptrace attach"ed the target process, then find the symbol...

    Started by feny_lf, 06-16-2006
    • Replies: 1
    • Views: 2,523
    07-04-2006 Go to last post
  5. Smile disable ctrl+Alt+Fx?

    how can i disable "that",so user can't use virtual terminal!! thx..

    Started by kudos, 06-23-2006
    • Replies: 6
    • Views: 6,550
    07-03-2006 Go to last post
  6. Linux live CD firewalls

    Hello. I want to set up a live CD Linux firewall on a dedicated PC. I am fairly new to Linux and firewalls and have these questions: 1) Is there...

    Started by GottaBuild, 06-29-2006
    • Replies: 1
    • Views: 5,877
    06-29-2006 Go to last post
  7. Vpn

    Has anyone setup a linux vpn in fedora core 4 or red hat 9.I mhaving probs w.r.t setting it up via 2 nics . kindly help

    Started by s_hcl, 06-28-2006
    • Replies: 0
    • Views: 1,026
    06-28-2006 Go to last post
  8. Can't update KlamAV

    When I attempt to update KlamAV I get the error message "Can't change directory". The download directory path is /root/.klamav/database. Does anyone...

    Started by bossdog22, 06-25-2006
    • Replies: 0
    • Views: 2,278
    06-25-2006 Go to last post
  9. One time password (OTP) suggestion

    Hi folks, One time password (OTP) OR Tokenless Password to replace the hard token. I have been searching for OTP software on Sourceforge and...

    Started by satimis, 06-24-2006
    • Replies: 0
    • Views: 1,924
    06-24-2006 Go to last post
  10. question regarding suid

    Hi I have made a script which executes some commands of iptables. Now I want that other users also should be able to execute this script, so...

    Started by vimase, 06-23-2006
    • Replies: 1
    • Views: 1,107
    06-23-2006 Go to last post
  11. SSHD setup

    With sshd, is it possible to track failed passwords in addition to failed usernames? I have been asked by my supervisor to create and maintain a...

    Started by jivesoul, 06-19-2006
    • Replies: 5
    • Views: 2,254
    06-20-2006 Go to last post
  12. Windows and ARP tables + MITM = DOS

    I've been screwing around with ettercap the past couple of days and I just figured out what all of my problems are: the ARP poisoning in ettercap. ...

    Started by prochobo, 06-18-2006
    • Replies: 0
    • Views: 2,976
    06-18-2006 Go to last post
  13. Cron not working

    I am using redhat FC2, i realised that the crond is always not very stable. Everytime i have to reboot the box in order to get it working after a...

    Started by kenny2004, 09-18-2004
    • Replies: 4
    • Views: 12,274
    06-14-2006 Go to last post
  14. Security Survey

    Hi, My colleague and I are doing a research about network security. This research is in cooperation with the college of Ghent, Belgium. A part...

    Started by coupe, 06-06-2006
    • Replies: 0
    • Views: 1,075
    06-06-2006 Go to last post
  15. Dnat to server located in local network

    Hello all , I read Andersson's manual about iptables. The output of iptables -t nat -L are as follows debian:/home/# iptables -t nat -L Chain...

    Started by ek100, 06-05-2006
    • Replies: 0
    • Views: 1,092
    06-05-2006 Go to last post
  16. firewall issue

    Hi, I have a FC 3 box as my nat/firewall. It is running firestarter. My nework looks similar to this: ,-------------------------, ...

    Started by q1001001, 05-30-2006
    • Replies: 0
    • Views: 1,114
    05-30-2006 Go to last post
  17. RSA versus DSA

    I was just having a play with SSH and I came across the option to generate RSA or DSA keys. What is the difference between these two options? Also,...

    Started by Allblack, 08-24-2003
    2 Pages
    1 2
    • Replies: 11
    • Views: 173,913
    05-29-2006 Go to last post
  18. Writing SE Linux policy

    I'm trying to implement a policy for an ICQ client and, maybe, for other network clients that may provide a huge security leak within a user's...

    Started by kalium, 05-27-2006
    • Replies: 0
    • Views: 1,126
    05-27-2006 Go to last post
  19. Exclamation iptablesfirewall port block not working-urgent

    Hi, I have given my full setup info below step by step Note: when any of the link goes down i need to use the other link for both...

    Started by krishnan.gopal, 05-16-2006
    • Replies: 1
    • Views: 3,376
    05-27-2006 Go to last post
  20. MD5 is broken, Let's do SHA.

    Well, as some of you may be aware, an MD5 collision can be generated in like 17 seconds on a laptop. I'd like to see SHA-512 implemented at the...

    Started by jwilliams, 05-27-2006
    • Replies: 0
    • Views: 1,367
    05-27-2006 Go to last post

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