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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: 51,331
    01-11-2010 Go to last post
  1. Exclamation No MTA installed but some logs there for Mail Server

    Hi, Recently when I inspect server logs found that some mail logs as follows This seems internal mail realy thing hence it shows loopback...

    Started by amithad, 03-15-2012
    • Replies: 0
    • Views: 944
    03-15-2012 Go to last post
  2. What's up with sudo?

    Every week I do a Crux update, and almost every week, there's an upgrade to sudo. Why is that? Sudo has been around since forever; it should have...

    Started by hazel, 03-14-2012
    • Replies: 1
    • Views: 709
    03-14-2012 Go to last post
  3. [SOLVED] secure cert. issue

    hi, I just installed a secure cert. on my server and can not get it to work...I´ve checked apache´s config file for lines like: ...

    Started by apascal, 03-09-2012
    • Replies: 1
    • Views: 1,088
    03-12-2012 Go to last post
  4. Linux Surfer - Securing Guest OS in Virtual Box

    I'm working on a Linux Surfer a Linux Distro meant to be ran live and used for secure surging. One of the tools in the aresenal for the user is...

    Started by LinuxLive, 03-10-2012
    • Replies: 0
    • Views: 936
    03-10-2012 Go to last post
  5. AES-GMAC for AH

    Hi, I am trying to implement AES-GMAC (RFC 4543) for AH mode in ipsec, say transport mode. I saw an implementation for aes-gmac in the kernel in...

    Started by bjxt, 03-06-2012
    • Replies: 0
    • Views: 902
    03-06-2012 Go to last post
  6. Question Shadow: How does the encrytion work?

    Hey! I hope its okay that I started another thread. I got another question about how encryption of user passwords works in linux. I really want to...

    Started by trudy1, 02-20-2012
    • Replies: 3
    • Views: 1,460
    02-28-2012 Go to last post
  7. How to request for a certificate over the network using certutil?

    Hi everyone I need to request for a certificate from a Windows Enterprise CA over the network from a Linux client. I need a similar service to...

    Started by harshanahnd, 02-27-2012
    • Replies: 0
    • Views: 1,120
    02-27-2012 Go to last post
  8. SSL cert for web site

    I have a *.crt, *.pfx and *.p7b SSl cert that I got off my Windows 2008 server and want to use it on my Cent OS 5.7 server but not sure how about...

    Started by matthes, 02-23-2012
    • Replies: 3
    • Views: 1,014
    02-25-2012 Go to last post
  9. Thumbs down gpg and pinentry

    I am trying to use gpg, but pinentry is causing all sorts of problems. I can encrypt a file fine (using -c). The trouble occurs when I decrypt. ...

    Started by WyattOil, 02-25-2012
    • Replies: 0
    • Views: 877
    02-25-2012 Go to last post
  10. 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: 770
    02-19-2012 Go to last post
  11. 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: 1,146
    02-17-2012 Go to last post
  12. 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: 782
    02-16-2012 Go to last post
  13. 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: 873
    02-15-2012 Go to last post
  14. 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: 590
    02-13-2012 Go to last post
  15. 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: 1,423
    02-06-2012 Go to last post
  16. 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: 3,786
    02-05-2012 Go to last post
  17. 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: 872
    02-05-2012 Go to last post
  18. 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: 1,600
    02-04-2012 Go to last post
  19. 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: 2,761
    01-31-2012 Go to last post
  20. 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: 873
    01-28-2012 Go to last post

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