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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: 72,342
    01-11-2010 Go to last post
  1. purpose of line : root ALL = (ALL) ALL in sudoers

    what is the purpose in suduoers configuration file of the following entry ? root ALL = (ALL) ALL I thought root had all these rights regardless...

    Started by axelmunt, 12-05-2014
    • Replies: 2
    • Views: 1,069
    12-06-2014 Go to last post
  2. Scanning a Windows PC for viruses/malware.

    I need to scan a Windows PC(probably Windows 7) for viruses and malware and had planned to use ClamTK to do the job. I wanted to install a light...

    Started by TNFrank, 11-07-2014
    • Replies: 5
    • Views: 1,263
    12-02-2014 Go to last post
  3. Linux Firewall / Comcast / Optimizing Bandwidth

    I have been running OpenSUSE for years as a file server, web server, DNS server, DHCP server, Squid server... And as a NAT firewall. Generally, I've...

    Started by ember1205, 10-12-2014
    • Replies: 6
    • Views: 1,371
    12-01-2014 Go to last post
  4. żUnknown users?

    Hello! Well my story is somehow confusing, because my cousin borrowed my laptop from me (the one I'm writing from now) and I have noticed some...

    Started by Dhalf, 11-19-2014
    • Replies: 1
    • Views: 758
    11-19-2014 Go to last post
  5. Can anyone explain .ssh/ contents?

    -rw------- 1 root root 2.1K Nov 7 18:15 authorized_keys -rw------- 1 root root 1.7K Nov 7 06:01 id_rsa -rw-r--r-- 1 root root 405 Nov 7...

    Started by postcd, 11-12-2014
    • Replies: 1
    • Views: 678
    11-13-2014 Go to last post
  6. Tails 1.0 released

    For those Tails users the 1.0 version has been released. It can be obtained here.....

    Started by docbop, 05-03-2014
    • Replies: 7
    • Views: 1,440
    11-10-2014 Go to last post
  7. Asprox Botnet attack

    Hi, My server had a Asprox botnet attack the last days and I'm trying to figure out how this has happened. In the root directory of the...

    Started by symeon_mattes, 10-31-2014
    • Replies: 0
    • Views: 811
    10-31-2014 Go to last post
  8. rsyslog and loganalyzer

    Installed this last week and just from one syslog source (firewall) the mysql database is 26 gigs in size. I am not sure where to change the...

    Started by DigiCrime, 10-13-2014
    • Replies: 2
    • Views: 969
    10-27-2014 Go to last post
  9. Linux GUI full disk encryption including /boot

    Hello, im using Windows OS and i wish to switch to Linux with GUI, i dont have any distribution in mind (i know Ubuntu has huge community, so...

    Started by postcd, 10-24-2014
    • Replies: 3
    • Views: 999
    10-25-2014 Go to last post
  10. SSLv3 vulnerability chatter

    Nasty SSL 3.0 vuln to be revealed soon ? sources ? The Register SSLv3 is old and crufty but still enabled by default and according to the linked...

    Started by cnamejj, 10-14-2014
    • Replies: 2
    • Views: 1,038
    10-15-2014 Go to last post
  11. ssh: starting different application instead of bash - secure?

    Hi, not sure if that's the right category here. I have the following setup: We are using a text based application (written in C), which...

    Started by tjareson, 09-29-2014
    • Replies: 4
    • Views: 1,247
    10-02-2014 Go to last post
  12. [SOLVED] How to upgrade 'bash' to avoid bash bug?

    Hi all, I was reading that Debian suggests an update and install of the latests bash software. I've had a little bit of difficulty as I'm sort of...

    Started by jkwilborn, 09-28-2014
    • Replies: 3
    • Views: 948
    09-28-2014 Go to last post
  13. Cant delete or chown file as a root

    Hello, some hack script suddenly appear in the /root directory of my VPS. Lets call it "badscript" but i cant delete it or chown it being...

    Started by postcd, 07-30-2014
    • Replies: 5
    • Views: 1,290
    09-28-2014 Go to last post
  14. One to be aware of

    Bash is vulnerable to remote code execution under certain circumstances: See here and here. Expect patches soon. I think this probably classifies as...

    Started by elija, 09-25-2014
    • Replies: 7
    • Views: 1,486
    09-27-2014 Go to last post
  15. How to avoid chrome store password in seahorse?

    Hello, I am very concerned about the unencrypted passwords saved by chrome in seahorse. This equipment is shared and used by several people,...

    Started by nelo, 09-16-2014
    • Replies: 6
    • Views: 1,396
    09-18-2014 Go to last post
  16. Deny user access to system configuration :?:

    Hello and thanks for your answers. I need to know how can I deny user access to the system configuration environment in kde. Too I need to know...

    Started by GendeDios, 09-12-2014
    • Replies: 4
    • Views: 915
    09-12-2014 Go to last post
  17. [Project] AntiBootkit

    Hi all, I've written a small script to check if Master Boot Record (MBR) has been modified and I want share it with you. A BootKit is a rootkit...

    Started by tmp777, 09-12-2014
    • Replies: 0
    • Views: 599
    09-12-2014 Go to last post
  18. How to protect system from cloning?

    Hello there, I would like to protect a Linux system from cloning, I don't mind if the cloned hard drive works in the same computer, but I need to...

    Started by floatinteger, 09-07-2014
    • Replies: 1
    • Views: 886
    09-07-2014 Go to last post
  19. Leave your cell phone at home when you protest

    EFF article that should interest some.....

    Started by docbop, 08-28-2014
    • Replies: 3
    • Views: 1,259
    08-29-2014 Go to last post
  20. Webserver infected with spamscript

    Hi! I have a webserver with numerous websites. There is one specific site that runs Joomla 2.5 that keeps getting infected with various...

    Started by PatricF, 07-28-2014
    • Replies: 2
    • Views: 6,254
    07-28-2014 Go to last post

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