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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: 72,400
    01-11-2010 Go to last post
  1. Need help encrypting an installation of Linux

    New-ish to Linux. I have a few questions but it's best if I dedicate each question to a single thread. On Windows, I use Truecrypt. Doesn't...

    Started by Alire, 11-06-2015
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 4,839
    11-14-2015 Go to last post
  2. What is nf_conntrack used for?

    Please what is /proc/net/nf_conntrack used for? It is like a log file of the internet connections? What if i remove some lines or empty it?...

    Started by postcd, 11-08-2015
    • Replies: 4
    • Views: 1,384
    11-09-2015 Go to last post
  3. CryptoLocker on Linux?

    My server was hit with CryptoLocker. Its a centos7 server running on the Rackspace public cloud (Cloud servers). If i pay the ransom will i get my...

    Started by rackerlogan, 11-05-2015
    • Replies: 5
    • Views: 2,548
    11-06-2015 Go to last post
  4. FYI sysadmins: NTP is cracked / How to CYA

    Network Time Protocol Security Notice

    Started by Steven_G, 10-23-2015
    • Replies: 1
    • Views: 1,952
    10-23-2015 Go to last post
  5. This is how the NSA ease drops on 2/3-3/4 of all encrypted connections

    Let's talk about that NSA Diffie-Hellman crack This is why all communications protocols must be built on the assumption that all traffic will be...

    Started by Steven_G, 10-20-2015
    • Replies: 1
    • Views: 605
    10-21-2015 Go to last post
  6. [SOLVED] Help from eng doing the impossible, above my skill level / pay grade

    I need to violate the SSL hierarchy in a good way. I set up a Citrix web client for the wife last night so she could RDP in to her company's...

    Started by Steven_G, 10-12-2015
    • Replies: 1
    • Views: 668
    10-12-2015 Go to last post
  7. Why is the smart home insecure? Because almost nobody cares

    Why is the smart home insecure? Because almost nobody cares The miserable life of the security veep. Finally, somebody tells the truth about how...

    Started by Steven_G, 10-02-2015
    • Replies: 1
    • Views: 863
    10-02-2015 Go to last post
  8. scan IP range for insecure https certs

    Hi I've been given a reasonably large range of company IP's and need to check the SSL certificates are valid. Also installed Kali linux hoping to...

    Started by KevinYeandel, 09-25-2015
    • Replies: 8
    • Views: 2,603
    09-30-2015 Go to last post
  9. Buffer overflow exploits

    Hi all, I'm experimenting with creating buffer overflow exploits on x86 platforms across multiple target distros. It's not meant to be malicious in...

    Started by jalfrezi, 09-21-2015
    • Replies: 6
    • Views: 2,152
    09-23-2015 Go to last post
  10. Question How to setup iWelcome with MS-JNC

    For many years I'm using MS-JNC to connect to our corporate network using RSA SecureID token. Since a few weeks ago our company decided to switch to...

    Started by blnl, 09-18-2015
    • Replies: 0
    • Views: 1,729
    09-18-2015 Go to last post
  11. Exclamation I need a WAF

    Dear Guys, I am looking For a Distro or Something , That can work as a WAF (Web application Firewall), I need it to be able to make reports ,ETC,...

    Started by deathknight, 09-11-2015
    • Replies: 1
    • Views: 2,276
    09-15-2015 Go to last post
  12. Making LiveDVD of my encrypted system

    Hi all! I have a system which i installed on usb flash (doesn't matter why). The system has 3 partitions: "boot", "/" and "swap". "Swap" and "/"...

    Started by McMurphy0101, 08-23-2015
    • Replies: 1
    • Views: 4,482
    09-15-2015 Go to last post
  13. Question Alpine linux and grsecurity

    I didnt know where to post it, feel free to move it I am using Alpine linux distro and trying to run the tor browser bundle Thing is, I have...

    Started by WhiteHatGuy, 08-20-2015
    • Replies: 1
    • Views: 2,358
    08-23-2015 Go to last post
  14. Port not opened ?

    iptables -L This ruleas are written by firestarter and all works like it should, but port 11381 is not opened. Any comment ? I mean, red...

    Started by BubikolRamios, 08-19-2015
    • Replies: 2
    • Views: 2,876
    08-20-2015 Go to last post
  15. centos + firestarter

    if I look at etc/sysconfig/iptables I see: Namely both ports should be opened ? Nope, testing with Open Port Check Tool - Test Port Forwarding...

    Started by BubikolRamios, 08-18-2015
    • Replies: 0
    • Views: 1,912
    08-18-2015 Go to last post
  16. Default ufw settings

    Is running ufw default settings ok to run? I mean i know its default settings, but this is just for a daily use nothing fancy. no downloads just web...

    Started by lulzboat, 07-17-2015
    • Replies: 0
    • Views: 3,424
    07-17-2015 Go to last post
  17. 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: 1,594
    07-11-2015 Go to last post
  18. 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: 3,391
    07-09-2015 Go to last post
  19. 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: 2,126
    07-07-2015 Go to last post
  20. 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: 1,315
    06-26-2015 Go to last post

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