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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: 73,687
    01-11-2010 Go to last post
  1. Question Logoff on wrong user name

    Hi! I wonder if there is a way that a user immediately gets disconnected whenever he enters a wrong username. (So that he isn`t asked for a...

    Started by trudy1, 02-18-2012
    • Replies: 1
    • Views: 1,058
    02-19-2012 Go to last post
  2. iptables help

    In the act of full-disclosure, this is in regards to something I am doing at my job. I have been given the task of creating a new linux lab...

    Started by pauhn, 02-16-2012
    • Replies: 5
    • Views: 2,074
    02-17-2012 Go to last post
  3. Snort

    Hi, I am trying to implement IDS in my router,so i have chosen snort to detect attacks...I have downloaded snort version and compiled it...

    Started by keerthipriya, 02-16-2012
    • Replies: 0
    • Views: 1,038
    02-16-2012 Go to last post
  4. Biometric ?

    I am wondering if their is any public biometric databases out their To get fingerprints , handwritting , DNA , IRIS , Retina scans I am creating...

    Started by sam111, 02-11-2012
    • Replies: 5
    • Views: 1,350
    02-15-2012 Go to last post
  5. GnuPG - exporting individual UIDs

    I'm thinking of creating a GnuPG/PGP key for myself with three User IDs work, academy, and personal. I plan to distribute the key manually, not...

    Started by Blue Beret, 02-13-2012
    • Replies: 0
    • Views: 868
    02-13-2012 Go to last post
  6. PAM script module "pam_exec" does not work

    I have a question about the PAM-module "pam_exec". In the file /etc/pam.d/common-session I've put a line that says 'session optional pam_exec...

    Started by slacktom, 02-06-2012
    • Replies: 0
    • Views: 2,280
    02-06-2012 Go to last post
  7. SSH into chroot jail (restricted SSH session)

    I can successfully run a listening Bazaar server in a chroot installation and SSH tunnel the appropriate port (using the process described below),...

    Started by waz, 02-05-2012
    • Replies: 4
    • Views: 5,329
    02-05-2012 Go to last post
  8. Run Levels, Bare-Bone Shells, And Ram Wiping

    I have a ram wiper I want use at shutdown (BleachBit) Can anyone give advice on the best way to slowly shutdown to most bare-bone environment...

    Started by LinuxLive, 01-29-2012
    • Replies: 2
    • Views: 1,245
    02-05-2012 Go to last post
  9. Cannot block google analytics with ghostery firefox addon with noscrip

    Using Debian Squeeze. If use firefox with only the addon Ghostery tracker blocker and NoScript (which blocks scripts from websites) in use, no...

    Started by lugoteehalt, 01-31-2012
    • Replies: 8
    • Views: 2,396
    02-04-2012 Go to last post
  10. Hidden OS encryption software for Linux

    Hello all, and thank you in advance for any replies. I'm looking for a full system encryption solution that implements the hidden OS feature and...

    Started by M4rc9, 01-27-2012
    • Replies: 7
    • Views: 4,103
    01-31-2012 Go to last post
  11. csf/lfd causing xenserver centos vm lockup?

    Does anyone have csf/lfd installed on a xenserver centos vm without experiencing random lockups? It would happen maybe twice/month, nothing in...

    Started by kprojects, 01-28-2012
    • Replies: 0
    • Views: 1,184
    01-28-2012 Go to last post
  12. SHA1 driver for IP Sec

    Hi, I am trying to write a driver for HW accelerator for SHA1 to work with Linux 3.0 kernel. I have set the "shash_alg" structure properly and...

    Started by mushki5, 01-27-2012
    • Replies: 0
    • Views: 889
    01-27-2012 Go to last post
  13. Ids

    Hi, I am new to networking,i am trying to implement IDS(intrusion detection system) in my router.......I have downloaded snort- source...

    Started by keerthipriya, 01-18-2012
    • Replies: 2
    • Views: 1,035
    01-18-2012 Go to last post
  14. selinux question

    Hellow, I have a question about selinux. Is it possible to prohibit root to access to a directory/filesystem? I have tried it but I have no...

    Started by alejandrome, 01-16-2012
    • Replies: 3
    • Views: 1,023
    01-17-2012 Go to last post
  15. Exclamation posible spyware on my PC that i can't get rid of

    I feel like an idiot and embarrassed for allowing this but i tried opening a file i got from the internet using sudo and now i think there's some...

    Started by pouar, 01-08-2012
    • Replies: 9
    • Views: 2,941
    01-15-2012 Go to last post
  16. Security dump

    (Linux/Debian) I am going to off-load my security experiences within the past two days to see if it makes sense to anybody. 1) I was poking...

    Started by BoDiddley, 01-02-2012
    • Replies: 2
    • Views: 993
    01-09-2012 Go to last post
  17. ClamAV errors

    Hi, I installed clamAV on my arch linux computer, but it is giving me the following error: ERROR: Please edit the example config fil...

    Started by jreidsma, 12-11-2011
    • Replies: 1
    • Views: 2,416
    01-02-2012 Go to last post
  18. Question Try to block some website with squid

    Hi have a server at eth2 with IP and share the network into eth0 with I try to block all user to access facebook. So that...

    Started by tanin007, 12-28-2011
    • Replies: 0
    • Views: 1,228
    12-28-2011 Go to last post
  19. Post Not being able to run SYSCHEKD in OSSEC local (HIDS)

    I am newbee to OSSEC. My objective is to install OSSEC in a ubuntu 10.04 server, configure it and then install rootkits, tamper files and then scan...

    Started by metalaarif, 12-25-2011
    • Replies: 0
    • Views: 1,098
    12-25-2011 Go to last post
  20. Exclamation Cracking D-Link Router Admin Password

    Erm, I don't know is it correct to put this post here, if not please redirect me, because I really need you guys help. As the title, I'm...

    Started by decryptologist, 12-21-2011
    • Replies: 1
    • Views: 11,472
    12-21-2011 Go to last post

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