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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 linuxforums.org 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: 73,496
    01-11-2010 Go to last post
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  1. Can you suggest installable distro with non-persistent sessions?

    Hello, I wanted to ask if you can, please, suggest security distro that is the closest to what I try to find. I have read about many distros and...

    Started by virginia123, 07-08-2015
    • Replies: 3
    • Views: 1,677
    07-11-2015 Go to last post
  2. Protecting Identity visiting sites?

    There are some sites I visit that I would like to remain anonymous. I am considering using a VPN or Tor/Tails. How well do these technologies protect...

    Started by JoeS, 03-21-2015
    • Replies: 4
    • Views: 3,485
    07-09-2015 Go to last post
  3. Firewall blocking local connections?

    Hello, my server web based control panel is accessible, but somehow cant connect to the server (no_socket_connect_to_server): Please can i ask...

    Started by postcd, 07-03-2015
    • Replies: 2
    • Views: 2,273
    07-07-2015 Go to last post
  4. Linux Malware Detect(Maldet) does it come with gzbase64.inject

    Hello All: We installed Maldet yesterday to scan for malwares and we found gzbase64.inject.unclassed. Does this come along with the package of...

    Started by bipin82, 06-26-2015
    • Replies: 0
    • Views: 1,371
    06-26-2015 Go to last post
  5. securing ssh using iptables?

    I was recently reading an article on better securing ssh. It recommended taking a look at /var/log/auth.log to see if there had been any suspicious...

    Started by jamtat, 06-17-2015
    • Replies: 1
    • Views: 2,661
    06-17-2015 Go to last post
  6. Capture sudo replay for root user

    I have setup sudo and using sudoreplay.However some of my DBA's have root access so is there a way that I can use sudo replay to capture their...

    Started by tshepang, 06-02-2015
    • Replies: 1
    • Views: 4,663
    06-02-2015 Go to last post
  7. Grub menu/MBR modifications

    I have an offline computer that's suddenly had it's mbr changed. I had a 10 s timeout, who suddenly has disappeared. By removing one older kernel...

    Started by mrbigfoot, 05-31-2015
    • Replies: 2
    • Views: 2,313
    05-31-2015 Go to last post
  8. Question What, In Your Opinion, Is The Most Secure, Lightweight Forum Software?

    Good day everyone, I am in the midst of setting up a very small community on a few servers. I have browsed the web looking at the different forum...

    Started by Xorg, 05-11-2015
    • Replies: 2
    • Views: 5,363
    05-13-2015 Go to last post
  9. Using keepass2 for mono, cannot paste, ctl-v in the password?

    Hello, I'm using keepass2 for Linux and it's supposed to run under mono. Although I have no experience with mono, it seems to run the same either...

    Started by jkwilborn, 04-18-2015
    • Replies: 2
    • Views: 2,303
    04-19-2015 Go to last post
  10. ntpd attack,why?

    Hello, i got this message (pastebin.com/T3zQa4iU) that one of VPS participated in NTP attack. Im providing an VPS to one person, this is running...

    Started by postcd, 04-09-2015
    • Replies: 1
    • Views: 2,822
    04-09-2015 Go to last post
  11. how to secure the hdd: can i make the notebook safe with LUKS ?

    hello and good evening dear linux-experts and users i have bought a new notebook and just did a installation. I installed a opensuse-system - the...

    Started by sayhello, 02-26-2015
    • Replies: 1
    • Views: 3,658
    04-02-2015 Go to last post
  12. Root user password resets after reboot

    Hi I have a seagate central nas. The root user has no password, so I set one and it works. But when I reboot the system it dissappears, no...

    Started by Pgaroth, 10-01-2013
    • Replies: 3
    • Views: 5,934
    03-24-2015 Go to last post
  13. Linux user with SSH read-only access to one folder?

    Hello, i would like to have an "backup" user who will have read-only SSH access to the folder /backup which is used to store server data...

    Started by postcd, 03-19-2015
    • Replies: 1
    • Views: 1,814
    03-20-2015 Go to last post
  14. Lightbulb Trying to encrypt with ecryptfs a home folder on a Ubuntu live usb key

    0 down vote favorite I am trying to use ecryptfs on a Xubuntu 14.10 live usb key with casper-rw persistency to encrypt the home folder of the...

    Started by patlefox, 02-13-2015
    • Replies: 1
    • Views: 1,659
    02-16-2015 Go to last post
  15. Conntrack table records and high PPS

    Hello, an software reported to me that on my VPS is high packets per second. and it given me some lines out of conntrack table: ipv4 2 tcp 6 92...

    Started by postcd, 02-01-2015
    • Replies: 1
    • Views: 2,318
    02-02-2015 Go to last post
  16. su or sudo password

    I'm on OS X but I thought it wouldn't matter since my problem seems like it would be the same for Linux. When I type su or sudo in the Terminal, the...

    Started by splash_wave, 01-28-2015
    • Replies: 6
    • Views: 2,375
    01-30-2015 Go to last post
  17. A few security issues to solve on my school... or try to..

    Hello, This is going to be a pretty long post so I'm going to try to explain everything very clearly... The problem: My school which has...

    Started by Joaogl, 01-09-2015
    • Replies: 2
    • Views: 2,044
    01-30-2015 Go to last post
  18. [SOLVED] Iptables port-forwarding

    Hello there, Im having some difficulties with configuring my main-servers (192.168.2.121) iptables. I want him to forward port 21 (FTP) to another...

    Started by ginojo, 01-10-2015
    • Replies: 1
    • Views: 2,298
    01-10-2015 Go to last post
  19. Tails help?

    Hello guys i am wanting to find out if having tails installed on a usb flash drive, is it traceable? Meaning i am at work and they have an open wifi...

    Started by armyranger516862006, 12-25-2014
    • Replies: 4
    • Views: 2,210
    01-06-2015 Go to last post
  20. Know when you are being tracked and spied on

    In Hamburg, Germany there is currently the 31st Chaos Communication Congress (31C3) Two of the talks explained the (in)security of the ss7...

    Started by Irithori, 12-28-2014
    • Replies: 1
    • Views: 1,957
    01-06-2015 Go to last post

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