One in four businesses block access to Facebook, social networking sites
One out of four businesses block employees from accessing social networking sites such as Facebook and MySpace
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Showing 1-10 of 144 records
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Corrupted Heap Termination Redux
...blocks shows corruption (all blocks above about 512Kb on x86 and 1Mb on 64 bit are not allocated from segments; they are direct virtual allocations, the heap just holds a list of them along with some metadata to assure consistency with the rest of the heap. They are chained in a double linked list so corruption can be detected by walking the...
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Internet Censorship
...blocked or filtered. Give someone access to the Internet, and they have access to everything. Governments that relied on censorship to control their citizens were doomed
Today, things are very different. Internet censorship is flourishing. Organizations selectively block employees' access to the Internet. At least 26 countries -- mainly in...
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Anti-Debugging Series - Part I
...Block Anti-Debugging
Some of the API based anti-debugging methods use published functions to query information from within the process and thread blocks for our running code. Many API based detections can be subverted within a debugger by hooking the API call and returning values that indicate a clean process. One way around this subversion...
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Finding listening ports on your Windows box using Netstat, Fport, Tcpview, IceSword and Current Ports
...block them. Host based firewalls are sort of a bandage, and while they can be useful for knowing what is connecting out (see egress filtering), it's better just not to have unneeded network services running in the first place. This video can be seen as a supplement to my article " What can you find out from an IP
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Andy sees the light
...block everything and enable only what you need. But in the past Firewalls were generally configured to block only what was bad and to open up everything else. Then they started to "by-default" block everything in and allow everything out. We have learned our lesson with Firewalls
Antivirus too is starting to move from a "detect and delete...
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IPS - is it soup yet? Mike Chapple says yes and no
...blocking anything,and only after seeing what is really happening on your network do you selectively start enabling blocking of specific types of attacks. You don't just turn on every rule to block. This advice is similar to what our best practices in NAC recommends as well
Keep the number of "block" mode rules to a small, finely tuned set ....
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The Bot Hunter: An Event Processing Challenge
...block rogue bots on Apache web sites. I will install and test each submitted solution on The UNIX Forums and post the results here
Here are some basic requirements
Your solution must run on Linux and be installable and configurable remotely with SSH or HTTP. There will be no physical access to the server. No exceptions
Preferrably, the...
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A cryptographic hash function reading guide
...block cipher for the next few years
The rest of us should expect the next four years to be filled with news, first about advances in the design, then advances in the attacks against Hash functions, as teams with candidate hash algorithms will bitterly try to find flaws in each others proposals to ensure that their function becomes SHA-3. To...
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