Most users would simply type ssh-keygen and accept what they’re given by default.
But what are the best practices for generating ssh keys with ssh-keygen?
For example:
Use -o for the OpenSSH key format rather than the older PEM format (Op…
I have a website into which a user enters a line equation (such as y=2x+5) and it displays the equation to them.
Currently, to plot the equation I’m simply running eval() on the input string, like this:
for (x = 0; x < max; x++) {
y…
Lately our mail server (postfix 2.9.6, ubuntu 12.04, courier) got compromised by spammers that are send plenty of dummy mails to many recipients.
The spammers used two different ways:
using real domain on my server but fake user account t…
Consider a client-side-only application. It may allow a user to make a payment by redirecting them to a payment gateway website, where they enter the credit card details. If I understand correctly, in this case only the payment provider mu…
I have an linux application that needs to read a secret to decrypt some data. The application also allows the users to change the encryption password during runtime. The application will run under a separate user account and the secret is …
Gaining insight into the files being executed on your system is a
great first step towards improved visibility on your endpoints. Taking
this a step further, centrally storing logs of file execution data so
they can be used for detection and hunt…
Gaining insight into the files being executed on your system is a
great first step towards improved visibility on your endpoints. Taking
this a step further, centrally storing logs of file execution data so
they can be used for detection and hunt…
$server_seed = “2754f7cc9e9e243711448401ea9d483067138a6b37c70c5d80b6c59943aa6996”;
$lotto = “1135567382”;
$round_id = “1”;
$hash = hash(“sha256”, $server_seed . “-” . $lotto . “-” . $round_id);
$roll = hexdec(substr($hash, 0, 8)) % 15;…
Since there are only a few different source addresses and they are all within valid subnets for the types of routers on our network (mostly netgear & mikrotik), I assume this means that this traffic is coming from local networks and no…
A while back, the following occurred. The PC is a Dell Inpsirion, running Windows 7. The browser was IE6. The network router was Linksys though the PC was wired to it. The router was secured.
Prior to the curious occurance, the browser hi…
