Web Crawling / Spidering

Discussion in 'Ethical hacking' started by Aspen Colton, Apr 16, 2017.

  1. Aspen Colton

    Aspen Colton Member

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    How does web crawling/spidering works? I want to know if this will help in web scanning and hack prevention. Your input will be highly appreciated. Thanks.
     
  2. Dara Strayhorn

    Dara Strayhorn New Member

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    A web crawler is a program that most search engines use to find the latest on the Internet. Likewise, it is also a scanner to identify vulnerabilities and this also help to find the next threat.
     
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  3. Aspen Colton

    Aspen Colton Member

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    Thanks for your input. I'm still trying understand it better before I make any recommendation for our business use.
     
  4. Aspen Colton

    Aspen Colton Member

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    Hello! I'm just updating this thread to let you know that I've already found a good scanner. We're having it installed this week.
     
  5. priya456

    priya456 New Member

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    Web crawling can be a very complicated and technical subject to understand. Every web page on the Internet is different from the next, which means every web crawler is different from the next.
     
  6. Avantika Pandey

    Avantika Pandey New Member

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    Web crawling or spidering is the process of automatically traversing the web and indexing web pages to create a searchable index of the web. This is commonly used by search engines to provide relevant search results to users.

    Web crawling typically involves the following steps:

    1. Starting with a list of seed URLs, the crawler requests the web page from the server and downloads its content.

    2. The crawler parses the HTML code of the page to extract links to other pages and adds them to a queue for further processing.

    3. The crawler visits each link in the queue, repeating the process of downloading the page and extracting links.

    4. The crawler continues this process until it has visited all the pages it can find, or until it reaches a specified depth or limit.
    Web crawling can be useful in web scanning and hack prevention, as it can help identify potential vulnerabilities and security issues on a website. By analyzing the structure and content of a website, web crawlers can identify potential areas of weakness, such as outdated software, misconfigured servers, or insecure APIs.

    However, it's important to note that web crawling can also be used for malicious purposes, such as scraping sensitive data or identifying potential targets for attacks. As such, website owners may take measures to prevent or limit web crawling on their sites, such as by setting up robots.txt files or using CAPTCHAs to block automated requests.

    Overall, while web crawling can be a valuable tool in web scanning and hack prevention, it should be used responsibly and in accordance with ethical and legal guidelines.
     
    shabbir likes this.

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