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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: 71,536
    01-11-2010 Go to last post
  1. 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: 1,082
    11-10-2010 Go to last post
  2. 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: 738
    11-08-2010 Go to last post
  3. 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: 1,515
    11-07-2010 Go to last post
  4. Test jail, jailkit.

    Hi, does anyone know of a utility that can test a jail? i used jailkit to set mine up and it came with a tool to test the it, unfortunately it...

    Started by TheJanitor, 10-24-2010
    • Replies: 1
    • Views: 1,045
    10-25-2010 Go to last post
  5. Using Shorewall to port forward traffic to eth1

    Hello, This is my first time using shorewall and i was hopping i can get some help from this forum. So here is my problem: I have a debian...

    Started by mafiozoi, 10-21-2010
    • Replies: 0
    • Views: 1,524
    10-21-2010 Go to last post
  6. [SOLVED] Using Shorewall to forward all email traffic to specific server

    We purchased another company that has their own domain and email server (Exchange). The server sits inside our network now but I need to accept email...

    Started by jackaninny, 10-19-2010
    • Replies: 1
    • Views: 1,869
    10-19-2010 Go to last post
  7. What is the most eligible method to ban IP ..

    Looking for eligible solution to ban IP on excessive 404 errors for Apache. Like you could define that 5x 404 requests to your Apache and then that...

    Started by GameFrame, 10-14-2010
    • Replies: 2
    • Views: 1,379
    10-19-2010 Go to last post
  8. Partitionable blockdevices

    hi, i am new in here, hopefully somebody knows an easier solution to my problem... for ease of administration, iŽd like to place multiple...

    Started by Ztoragefool, 10-09-2010
    • Replies: 3
    • Views: 1,135
    10-14-2010 Go to last post
  9. [Debian Testing] KTorrent iptable rules

    Hi! My firewall does everything what I want from it, except one thing. It doesn't work with KTorrent :( KTorrent is completely numb, the...

    Started by Keessince1988, 09-23-2010
    2 Pages
    1 2
    • Replies: 11
    • Views: 3,339
    10-13-2010 Go to last post
  10. Control access to folder both from ssh and ftp.

    Dear All, I would like to create new user where there can both ftp and also ssh to my server. The problem when they login either via...

    Started by newbie14, 10-05-2010
    • Replies: 6
    • Views: 1,710
    10-07-2010 Go to last post
  11. Cool rarcrack installed on Fedora 13

    Greetings, I had trouble remembering a password for an old compressed file and ran into this piece of software: RarCrack! It is fantastic but a...

    Started by daacosta, 10-07-2010
    • Replies: 0
    • Views: 3,234
    10-07-2010 Go to last post
  12. fail2ban not working in CentOS

    I've been trying to fix fail2ban for a while didn't want to bother anyone with the problem but haven't been able to figure whats wrong. I'm using...

    Started by Cendent, 09-25-2010
    • Replies: 9
    • Views: 14,631
    10-02-2010 Go to last post
  13. Sticky Bits

    I noticed a few files in /usr/bin have the a stickybit set sudo sudoedit newgrp passwd mtr gpasswd are they supposed to have a stickybit...

    Started by xilus, 09-29-2010
    • Replies: 1
    • Views: 979
    09-30-2010 Go to last post
  14. How to control folder access both via ftp and ssh?

    Dear Scortto, What I would like do first to add new user and allow new user to both actually ftp and ssh to my server. The...

    Started by newbie14, 09-29-2010
    • Replies: 0
    • Views: 1,107
    09-29-2010 Go to last post
  15. Odd UDP Traffic - VoIP Server

    Not sure what's going on here, but I can't seem to figure out which process is generating this traffic. Couple of questions: 1. How do I trace...

    Started by deftx, 09-20-2010
    • Replies: 3
    • Views: 2,499
    09-29-2010 Go to last post
  16. [auditd] when killed then kauditd logs to the console tty (?)

    Hello, I've watched that when auditd is killed, every log message is then copied to the console tty. Is it normal and is it any way to change this...

    Started by flatplane, 09-27-2010
    • Replies: 5
    • Views: 7,032
    09-28-2010 Go to last post
  17. What does this Firestarter log mean?

    Firestarter's log this morning... (Ubuntu 910)... Time:Sep 21 07:02:15 Direction: Unknown In:eth0 Out: Port:445 Source: Destination:...

    Started by cosmicbrat, 09-21-2010
    • Replies: 0
    • Views: 1,375
    09-21-2010 Go to last post
  18. [Debian Testing] Iptables makes system slow

    Hi, I configured an iptables and I don't dare to make it permanent because when I activate it my system becomes very slow. For example when I...

    Started by Keessince1988, 09-15-2010
    • Replies: 6
    • Views: 5,573
    09-17-2010 Go to last post
  19. Issue with pf > iptables rule translation

    Hi, Following a migration of my network from FreeBSD to Linux, I'm attempting to translate some PF rules into iptables syntax. The following...

    Started by enderwiggin, 09-15-2010
    • Replies: 0
    • Views: 1,304
    09-15-2010 Go to last post
  20. Remotely decrypting a server

    Hi folks, I have a tricky one here where i need to find a way to securely authenticate a decryption mechanism of some sort where the...

    Started by Phier, 09-12-2010
    • Replies: 1
    • Views: 696
    09-14-2010 Go to last post

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