Category: Security Infos

Security: Protection Against Cryptware Wannacry

You heard perhaps last day’s about the major problems of Attacks to Systems with the “WannaCry” Crypto Ware Howto protect yourself? Enable the Firewall on Windows Systems!! Always! Update daily the Virus Scanners and Windows Patches! Disable and CLOSE Ports you never need! SMB Protocol is a open unencrypted Transfer Protocol! Use a second Router with Firewall behind your ISP Router or Modem! (openwrt, pfsense) Check with nmap Portscanner Tool the taken Rules and check if the work! For Network Access use ALWAYS SFTP with Authentification over KEYs Logins (Two Factor: Key and Password for unlock the Keyfiles id_rsa) For […]

Android Browser: GNU IceCat the better Android Browser for you?

If you use Android on your Tablet or Phone, and you like to get back more privacy and security you should take a closer look at the GNU IceCat Android Browser: Source: https://ftp.gnu.org/gnu/icecat/38.6.0/ (Outside of Play Store) IceCat need NO Google Account and does not call home, install it and try it. I don’t wanne miss IceCat on my Cellphones Handling is same like Firefox, cause it’s based on Firefox Framework, but offers more user access.

Android: Get back Privacy and Security

If you use a Android Smartphone (other Mobile-OS same) you should take a minute to get back your privacy and security! This points helps to prevent, but there is no warranty for 100% protection! First every Smartphone offers a Factory Reset, search it on Settings and DO it! This prevent you from Firmware Spam by the Reseller! (Samsung, HTC..) Boot the Phone without inserting a SIM card, create a fake account to get Updates and Software over a PUBLIC WIFI Network (Coffee Shop, Freifunk) Install wanted Apps, then go to Settings now to accounts, PURGE the fake account. Disable / […]

Apache: Analyse Logs Spam Bots

If you admin a Apache Webserver, you see often weekly¬†thousand of visits a day on your Blogs. Background: These are no real users, this visits are made by Spam Bots in my Logs like Xovi.de or xovibot.net Bots! On info pages this Company says Admins should disallow crawl by robots.txt, but they IGNORE the settings! This x-guys is in my opinion against German Law “Datenschutz”. "Mozilla/5.0 (compatible; XoviBot/2.0; +http://www.xovibot.net/)" Solution: On Linux Setup a Firewall like ufw and block these IP Ranges To find out the IPs do: $sudo cat /var/log/apache2/access.log|grep xovibot.net| awk '{ print $2 }' | sort | […]

WordPress: Secure Faster Effective Blogging

If you use WordPress or a other CMS for daily blogging, it’s useful to have a own User Acount on a PC. Advantages: Own Browser for Blogging with saved Passwords Own Link Bar for quick switching between the Social Media Platforms You won’t need to open Security Holes like API Software Interfaces for used Plugins Speeds up the WordPress Blog cause reduced Plugin loads You have the full control. cause most free API Plugins save your Passwords on foreign Servers One touch Bookmarks let you jump fast between the Social Media Platforms No Data are automatic transfered without your knowledge […]