May 19 2015

IPTables Auto-Expiring Rules on Linux.

NetFilter IPTables Project Auto-Expiring Rules could be very interesting (for example) to ban IPs for a certain amount of time, and then have then automatically un-banned (by removing Filtering Rule).

IPTables do not provide an integrated solution for that, but a simple combination with the ‘at’ command can do the magic.
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Jul 8 2014

Check domain NS glue records with ‘dig’

A glue record is the IP address of a NameServer held at the Domain Name registry.
Glue records are required when it is needed to point name servers of a domain-name to a host-name under the domain name itself.

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Dec 22 2013

Shell In A Box: command line tools to a web based terminal emulator.

ShellInABox
Shell In A Box implements a web server that can export arbitrary command line tools to a web based terminal emulator.

This emulator is accessible to any JavaScript and CSS enabled web browser and does not require any additional browser plugins.

With default configuration, it is possible to start a Web Server at http://localhost:4200/ that allows users to login with their username and password and to get access to their login shell.

All client-server communications are encrypted, if SSL/TLS certificates have been installed.

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Oct 26 2012

Wireshark: Allow unprivileged user to sniff traffic on Ubuntu.

Network Engineers simply need to sniff packets over Networks. Sniffing is not an option or a Lamer activity, sniffing is the base of Network Troubleshooting.

Using Wireshark, one of the best Network Sniffers (and more) could be tricky, if the software is launched from an unprivileged User Account since access to network interfaces won’t be possible (no device will be listed as available to start packets capture).

On the other side, it is strongly recommended to not run Wireshark as root for security reasons.
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Oct 26 2012

BackBox Linux 3.0 Released.

The BackBox team announced the major release of BackBox Linux, the version 3.0.

The major release include features such as the new Linux Kernel 3.2 and Xfce 4.8.

Apart from the system major upgrade, all auditing tools have been updated.
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