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FELIPE FERREIRA

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Category: Security

Security

By : Felipe Ferreira21/08/201927/08/2019
HowTo, Linux, Security 2 Comments on Configure Kerberos for SSH

Configure Kerberos for SSH

NOTE: This setup was tested only in Ubuntu 18.04 x64

INTRO

The objective is to perform a SSH login and authenticate to a local Microsoft AD. There are many ways …

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Tags: ad, HowTo, kerberos, setup, ssh, ubuntu
By : Felipe Ferreira05/06/201926/08/2019
Centos, HowTo, Linux, Security Leave a Comment on How to setup chroot and bindfs

How to setup chroot and bindfs

In order to allow a user to have restrict access to a specific directory we should use the chroot and bindfs setup:
(tested on Centos 7 x64)

bindfs
Mount a …

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By : Felipe Ferreira25/01/201823/05/2019
HowTo, Linux, Security Leave a Comment on ssh tunnel squid proxy setup

ssh tunnel squid proxy setup

SSH is a very secure encrypted connection. Much much easier to setup then a VPN.
its quite easy to setup, on the server side all we need is Open SSH …

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Tags: Linux, proxy, squid, ssh, tunnel
By : Felipe Ferreira30/03/201723/05/2019
HowTo, Linux, Security Leave a Comment on Block IP bash script

Block IP bash script

Still working hard to keep my server security locked down from attacks.

This script checks lighttpd logfile for unusual behaviour

Script to monitor and block IPs spaming in varios ways …

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Tags: bash, block IPs, lighttpd, Linux, script, Server, spaming, wordpress, wp
By : Felipe Ferreira07/02/201723/05/2019
HowTo, Linux, Security Leave a Comment on Centos 7 change root passwd

Centos 7 change root passwd

  • reboot press ESC to go into menu, then press ‘e’ to edit
  • change line of Linux 16 and change ro with rw init=/sysroot/bin/sh
  • CRTL-X to boot
  • chroot /sysroot
  • passwd root
  • …

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    By : Felipe Ferreira12/01/201723/05/2019
    bash, BashScripts, Linux, Security Leave a Comment on yum update security check script

    yum update security check script

    simple bash script to check for missing security this is important to make sure your linux is updated here is the script:
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    Tags: bash, security, Update, Yum
    By : Felipe Ferreira14/11/201623/05/2019
    bash, BashScripts, HowTo, Linux, LinuxCommands, script, Security Leave a Comment on Reverse SSH Tunnel

    Reverse SSH Tunnel

    The idea is to have my IP autostart connect to my Cloud server,
    this way I can remote control my Raspberry PI without having to configure DynDNS and firewall rules.…

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    Tags: Linux, Reverse, script, ssh, tunnel

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