security

  1. LorenDB

    Software review: Howdy

    I found Howdy a few weeks ago while browsing GitHub (that's what programmers do instead of Twitter). It is supposed to be a Linux alternative to Windows Hello. I installed it on my laptop yesterday in order to try it out. My impressions so far: Easy to use if you are familiar with the terminal...
  2. CoolerVoid

    Create your hidden firewall kernel module

    HiddenWall is a Linux kernel module generator for custom rules with netfilter. (block ports, Hidden mode, rootkit functions etc). The motivation: on bad situation, attacker can put your iptables/ufw to fall... but if you have HiddenWall, the attacker will not find the hidden kernel module that...
  3. CoolerVoid

    CodeCat - Tool to help in static code analysis

    Hi all, i am here to share my new open source tool... CodeCat is a open source tool to help you in static code analysis, to find/track sinks and bugs, this points follow regex rules... Current rules for C,C++,GO,Python,javascript,Swift,PHP,Ruby,ASP and Java.(you can create your rules) How...
  4. CoolerVoid

    Hidden Firewall in Kernel Module

    HiddenWall is a Linux kernel module generator for custom rules with netfilter. (block ports, Hidden mode, rootkit functions etc). The motivation: on bad situation, attacker can put your iptables/ufw to fall... but if you have HiddenWall, the attacker will not find the hidden kernel module that...
  5. G

    Is it right to use chmod 777 when this is the only option?

    Firstly good morning. I am a recent user of ubuntu, it must have been about two months that I use it, anyway, I started a WordPress course and in it we used xampp to not need to buy a direct host, however the problem is that WP cannot create new files, either when I download a new theme or...
  6. A

    Major security and usability flaw in Linux (root privileges and sudoers, folder access restriction, Ubuntu Linux)

    Alright, let me give you the context. I am a business owner with strong technical background, say a programmer, though not an advanced system administrator. I've bought a VPS server where I want to host several applications and webpages. One of the apps consists of backend, admin frontend and...
  7. U

    second encrypted and mounted operating system

    Good day all I am currently working on a project where the goal is to have a second operating system (Kali Linux) encrypted and mountable/unmountable on a Ubuntu system. All work must be kept on the encrypted partition and nothing can be installed or held on the Ubuntu operating system. There...
  8. G

    Disable Selinux Temporarily

    I want to dislabe SeLinux but this will be temporary where after reboot it should be enabled.
  9. Feriman22

    Portscan Protection

    Hi, based on this solution I wrote a shell script, which is blocking port scanning, so nobody can find (or much more slowly) your "hidden" SSH or FTP port The protection based on built-in firewall. The script stored on GitHub: Portcan Protection I hope you find it useful! Best Regards, Feriman
  10. P

    Protect authorized_keys and known_hosts?

    /home/me/.ssh/known_hosts /home/me/.ssh/authorized_keys I would like to put these files to an €ncrypt€d folder that is being decrypted manually after Linux Raspbian 10 start. Why? i do not want anyone to discover that files contents (consider someone steal the drive - my Raspbian installed from...
  11. lg4l

    Compromised machine...help would be appreciated.

    I'm a recent Linux convert and it's been a blast these past sev mos. breaking Mint, re-installing, learning....rinse, repeat. But this a bit more serious. Linux Mint 19.3...I'm contantly tinkering on this machine. I had every intention of learning how to PROPERLY utilize "secure boot" today and...
  12. D

    Does Linux Lite collect any personal information by default?

    I have installed the latest version of Linux Lite on my lenovo G50 laptop. Recently, I have been concerned about the way various linux distros are collecting a substantial amount of personal information from linux users around the world. And in a lot of linux distros, there isn’t a...
  13. M

    Help with materials for blocking some USB communication

    Hello, I am currently working on bachelor thesis named "Access Controll for USB Bus". As title says, I need to make software, which will block some USB devices, depending on user input (specific type of USB, for example all mouses or all devices from specific vendor). Unfortunately, my...
  14. G

    Install Nessus Vulnerability Scanner To Linux

    I want to install nessus non commercial version into my Linux ubuntu box. How can I get and install nessus? Thanks
  15. Y

    Linux redhat 7.4 (Maipo) Auditing

    Hi, I am trying to start auditing on chown/chmod commands. It is working (ie logs are written to audit file) with auditctl ctl command line utility but when I am putting in the /etc/audit/rules.d/audit.rules file, it doesn't work. Below is the command used. Immutable tag is commented and the...
  16. G

    How can I find suid files In Linux?

    From security perspective of my linux boxes I want to list suid enabled files with the find command.
  17. Trafalmagorian

    Advertisers and trackers on Linux

    Apologies if this post is naive or just plain dumb. BUT, here goes. I just installed Linux Mint on my system. I like the way it works; its simplicity, elegance really. I like the command line interface; takes me back to programming in Fortran in 1974! However, my expectations were that Linux...
  18. D

    Security and VPN's

    I'm a new convert to Linux and very much like the usability. My main concern when switching over was security as I handle some sensitive information on my computer, and maybe have an all to healthy sense of paranoia. This is partly my reason for switching over. I have an account with CactusVPN...
  19. X

    BlackArch, Kali, Parrot or Tails???

    Anyone have thoughts on the pros & cons of these "security" distros?
  20. J

    how to bypass linux /bin/login file using radare2

    has anyone tried disassembling the /bin/login file and bypass it. I am trying but its difficult to find the point of faliure plz suggest if anyone has tried it
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