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How To Install PfSense And What Are Its Features?

How To Install PfSense And What Are Its Features?

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Pfsense is a BSD-based software firewall. The product generally has many useful features such as msn or program banning, web content filtering, user restriction, and VPN. Now let’s look at the answer to the question of what is PfSense.

What is Pfsense?

Pfsense is an open-source firewall/router, FreeBSD software distribution. FreeBSD consists of the open-source codes of the Research Unix of AT&T, which is considered to be the ancestor of UNIX. It has a Web interface for configuration. You can easily install it on any computer or server.

MIKROTIK: SETUP SQUIDBLACKLIST FIREWALL

MIKROTIK: SETUP SQUIDBLACKLIST FIREWALL

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The blacklists were incredibly simple to implement into RouterOS and once configured, the lists can be scheduled to update at regular intervals via the RouterOS system scheduler. Squidblacklist.org provides a list of available blacklists, but make sure to review the blacklist compatibility chart first, before implementing the list into your RouterOS configuration. In addition, you will need to change the “dst-path” value to an existing path for the script to work. If you want to download the blacklist to the root of your MikroTik you can delete the “dst-path” property and its value entirely . Also, make sure that the “in-interface” and “out-interface” property value is set to that of your network environments WAN interface. Should you choose the “All-In-One Firewall/Filter Setup” script (via copy/paste in the MikroTik terminal), you will need to enable the scheduled tasks, since they are disabled by default in the script.

Hacking Unix User Passwords

Hacking Unix User Passwords

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On most Unix systems passwords are stored in the

file /etc/passwd

This means using the Unix echo out command, cat, you can see the contents of this file:

cat /etc/passwd

The passwords will be encrypted, but unfortunately quite insecurely. But the encryption has long been crackable. A tool called John has long been availble. It runs in dos, and you can crack the average unix password in a couple of hours. A password shorter then four letters takes no time at all (make sure no passwords are this long).

Gathering İnformation On A Host

Gathering İnformation On A Host

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About: The way that pretty much all pc’s are hacked is by gathering info, then finding a security bug. By reading this I hope you’ll learn how much info. can be obtained from your server, and hopefully how to stop it.
I’m repeatedly getting blank e-mails to my Outlook (don’t laugh) inbox. I right click, choose properties and look at the message source. The following interesting information is included :
Received: from AspEmail ([66.200.114.146])
I recognize the numbers as an IP, and Asp as the Windows equivalent of Php, which normally runs on NT servers.

Secure Browsing With Squid and SSH

Secure Browsing With Squid and SSH

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Public areas that offer access to the Internet (airports, open wireless networks, etc.) have no security in place. If you’re at a public WiFi spot, your personal information can be sniffed by other malicious users. This hack will show you a way to secure your web browser when using public networks.

In a nutshell, we’re going to setup a proxy server (Squid) on a trusted SSH server and create a secure connection from our laptop, over a public network to a secure remote server. We’ll tell the browser to use the secure SSH tunnel as an HTTP proxy.