Eran Aharonovich's profile:
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Browse 2 articles
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| The Evil Packet Sniffer by Eran Aharonovich |
A "Packet Sniffer" is a utility that sniffs without modifying the network's packets in any way.
By comparison, a firewall sees all of a computer's packet traffic as well, but it has the ability to block and drop any packets that its programming dictates. Packet sniffers merely watch, display, and log this traffic.
One disturbingly powerful aspect of packet sniffers is their ability to place the hosting
machine's network adapter into "promiscuous mode." Network adapters... |
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| How Web Crawlers Work by Eran Aharonovich |
A web crawler (also known as a web spider or web robot) is a program or automated script which browses the internet seeking for web pages to process.
Many applications mostly search engines, crawl websites everyday in order to find up-to-date data.
Most of the web crawlers save a copy of the visited page so they could easily index it later and the rest crawl the pages for page search purposes only such as searching for emails ( for SPAM ).
How does it work?
A crawle... |
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