All pages tagged with firewall
Securing the Network in a K-12 Public School Environment
A K-12 school environment presents special needs and requirements, it goes beyond the obvious items such as physical security, routers, sub-netting, firewalls, and anti-virus. These will be addressed as well, ...
Document added on May 23, 2011Malicious Hackers and Spam, Part 2
I discovered that a spammer was using the client's server to relay spam. Although the server wasn't an open relay, the spammer was somehow authenticating to the server to send ...
Document added on Feb. 28, 2011Home User Security: Personal Firewalls
This article discusses personal firewall alternatives, including freeware firewalls, firewalls included with current Microsoft and Apple OSes, and various commercial offerings of interest to the home.
Written by: Sarah Granger and added on March 6, 2011Home User Security: Your First Defense
It used to be that an anti-virus program was a home user's first (and perhaps, only) line of defense against the spread of viruses, worms, trojans, and other malicious code. ...
Written by: Sarah Granger and added on March 18, 2011The Trouble With Tripwire
Even with the protection of a security perimeter, the fact remains that firewalls aren't foolproof and that potential attackers are hard at work, 24 hours a day. Furthermore, some organizations ...
Document added on May 14, 2011An Overview of SecureIIS - Are We Really Secured Now?
The objective of this practical paper is to understand how our IIS can be protected using an application firewall. There are many application firewalls available on the market-commercial and free/shareware ...
Document added on April 16, 2011Tools, Tools, and TOOLS!!
Have you ever said to yourself, “There are just so many tools, and it’s hard to keep track of all of them and know what each one does?” Well I ...
Document added on March 25, 2011Cisco IPSec Overview
IPSec provides IP network-layer encryption. The standards define several new packet formats: the authentication header (AH) to provide data integrity and the encapsulating security payload (ESP) to provide confidentiality and ...
Written by: Unknown and added on May 18, 2011Identify Intrusions with Microsoft Proxy Server, Web Proxy Service and WinSock Proxy Service Log Files
This is a guide on how to identify intrusions using Microsoft's Proxy Server log files. MS Proxy Server is an extensible firewall that provides passive defense against intrusions and functions ...
Written by: Saundra Coward and added on April 20, 2011One Incident Of Remediating The CRC 32 sshd1 Vulnerability
The purpose of this paper is to document the process I used to respond to the CRC32 sshd1 vulnerability. My operating environment is primary Solaris and Linux, with a small ...
Written by: Rebecca Sander and added on Feb. 24, 2011