HTTP Strict Transport Security (HSTS) is a web security policy which helps to protect websites against protocol downgrade attacks by allowing web servers to declare that web browsers should only connect via secure HTTPS connections. The HSTS Policy for the site is communicated by the server to the browser via a HTTPS response header field …
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You can use S/MIME certificates, also called “Digital Certificates” or “Personal Certificates”, with most email clients to digitally sign and/or encrypt email messages. In order to digitally sign or encrypt your email, you will need a digital certificate. Get a certificate For this example, we will use the free certificate service from Comodo. Head over …
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So it is big in the news this week, ROCA, what’s the deal? I’m not going to cover this in detail yet, however here is what you need to know now: The ROCA vulnerability (tracked as CVE-2017-15361) enables computation of RSA private keys from their public certificate/key counterparts. The flaw affects the implementation of RSA …
When working accross a mix of Windows and Linux systems, line brakes can be a pain. This is especially true when writing scripts in one for use on the other. This can be easily addressedin Notepad++ on Windows as shown below.
In order to further harden a folder, for example an ‘uploads’ folder as used by WordPress, it maybe appropriate to block the execution of key file types. If you have a specific folder where content can be more easily written, blocking execution of script files will help reduce the chance of an attacker executing a …
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So I had a Samsung S6 that would not charge, when you plugged it in, the white lighting bolt battery symbol came on but no charge led light. I suspected the charger or cable, but that didn’t help. I fast came to the conclusion it could be the USB port. Reset Keys! I then found …
If you have had a firewall audit, and your report states that ‘Unicast Reverse Path Forwarding Verification Was Disabled’ on your Cisco ASA then read on. “Network administrators can use Unicast Reverse Path Forwarding (Unicast RPF) to help limit the malicious traffic on an enterprise network. This security feature works by enabling a router to …
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Do you want to reduce the version information that Apache and PHP are providing in the HTTP headers? This may help. /etc/apache2/conf-available/security.conf /etc/php5/apache2/php.ini
When working with web server JSON responses, if they span several lines with no ‘new line’ formatting they can be difficult to read. When JSON responses end up on the command line, it is possible to format them for easier reading. Here I use a short output from the jsontest.com site as an example. Copyable …
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If you need to create custom dictionaries or wordlists, there are many options, in this case we were looking for UK specific street / road names. You do not need to ‘scrape’ open street map for data, it is not ideal from their point of view or yours. As the data is open, they do …
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