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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: 65,981
    01-11-2010 Go to last post
  1. Hardware device preventing DDoS?

    I recently came across a company with a hardware box they claim prevents DDoS's. Now my question is, no. 1 will it? HOW? And if so, why can't...

    Started by resetreset, 12-04-2014
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,478
    12-22-2014 Go to last post
  2. AES 256 encryption with 7z

    Hi, when I create archive in Ubuntu, I choose with right mouse button in context menu "Compress", leave default ".7z", provide password and leave...

    Started by johnyjj2, 12-21-2014
    • Replies: 0
    • Views: 2,384
    12-21-2014 Go to last post
  3. lost+found directory hiding malware. How to delete?

    Because of being hacked, I had switched to live linux DVDs. My personal files are stored on FAT32Crackers have infected all of my personal files on...

    Started by BadBIOSVictim, 07-07-2014
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,866
    12-20-2014 Go to last post
  4. How to set up non-expiring tickets for Kerberos

    Hello Forum, I need to set up non-expiring Kerberos security tickets. Can you please recommend how to do that.

    Started by ggolub, 12-14-2014
    • Replies: 0
    • Views: 717
    12-14-2014 Go to last post
  5. IP Address Trace Through A VPN

    Is it possible to trace a IP address through a VPN? I.e. I use a VPN to connect from my home pc to my work PC. If I was traced would my home IP be...

    Started by Tim_Wright, 03-07-2007
    • Replies: 3
    • Views: 9,795
    12-08-2014 Go to last post
  6. 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: 854
    12-06-2014 Go to last post
  7. 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: 923
    12-02-2014 Go to last post
  8. 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: 1,067
    12-01-2014 Go to last post
  9. 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: 589
    11-19-2014 Go to last post
  10. 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: 551
    11-13-2014 Go to last post
  11. 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: 1,093
    11-10-2014 Go to last post
  12. 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: 611
    10-31-2014 Go to last post
  13. 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: 700
    10-27-2014 Go to last post
  14. 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: 773
    10-25-2014 Go to last post
  15. 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: 802
    10-15-2014 Go to last post
  16. 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: 962
    10-02-2014 Go to last post
  17. [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: 744
    09-28-2014 Go to last post
  18. 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: 1,096
    09-28-2014 Go to last post
  19. 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: 1,146
    09-27-2014 Go to last post
  20. 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: 908
    09-18-2014 Go to last post

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