IT Security & Network Engineering Knowledge Base

Practical documentation and technical guides on network security, firewalls, Linux systems, monitoring, and automation.
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Upgrading a CheckPoint Manager from R65.4 to R7x

NGX R65 HFA40 is a standard HFA and can be installed both on Security Gateways and on SmartCenter servers. R65.4 is a Management-based package that in addition to NGX R65 HFA40, also contains various new features and plug-ins. Upgrading from R65.4 can present some significant issues, due the release being a dead end. You will … Read more

Windows 2008 – w32tm service doesnt automatically start

By default the w32tm service will not automatically start if your Windows machine is not on a domain. To ensure that the service starts automatically run the following command : sc triggerinfo w32time start/networkon stop/networkoff

Upgrade/Install Check Point Solaris using only the iso file

When upgrading or installing Check Point on a Solaris platform rather then having to use the physical Check Point software CD, the following method allows you install/upgrade your Check Point software directly from the *.iso.  Steps 1. Copy the iso file to your firewall / manager2. Run the following commands lofiadm -a <path>/<filename>.iso /dev/lofi/1mount -F … Read more

Python – Print Examples

Below is a small example to show some of the various way in which print can be called within Python. quote = “A person who never made a mistake never tried anything new.”print(“ORIGINAL”)print(quote)print(“\nUPPERCASE”)print(quote.upper())print(“\nLOWERCASE”)print(quote.lower())print(“\nTITLE”)print(quote.title())print(“\nREPLACE”)print(quote.replace(“person”, “banana”)) Output [root@linux]# python print_example.py ORIGINALA person who never made a mistake never tried anything new.UPPERCASEA PERSON WHO NEVER MADE A MISTAKE … Read more

Solaris BART (Basic Auditing and Reporting Tool)

BART (Basic Auditing and Reporting Tool) provides the ability to determine file-level changes at a granular level within the Solaris 10 operating system. This is achieved via the creation of 2 manifest files (a control-manifest and test-manifest), each manifest catalogs the attributes of each file and then a comparison is run between the files and … Read more

Cisco ASA MPF URL Filtering

Within this tutorial will will look at 2 configuration examples in which we will use HTTP inspection within the Cisco ASA to allow access for certain hosts based on specific URL headers. EXAMPLE 1 This example will show the required syntax to allow access to yahoo.com for any host within the network 10.1.1.0 255.255.0.0. HTTP … Read more

Python – Basic FTP Downloader

This python script will connect to a designated FTP server. Obtain a list of all files, then sort all files with a .jpa extension and then download the latest one. In order to do this regular expressions are used to build a list of files only containing .jpa file extensions. This list is then sorted … Read more