user agent

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How to evaluate the crawler design that can automatically replace User-agent?

I wrote a crawler crawl a site a bunch of data, automatically change UA, feel great But I'm afraid to be blocked by the target website, The gods give you some better strategies. Reply content:Crawler automatic User-agent in code implementation only

Apache uses. htaccess Shielding malicious User Agent (anti-Spider) _linux

First, the registered malicious User Agent1, "mozilla/4.0" (compatible; MSIE 7.0; Windows NT 5.1; EMBEDDEDWB 14.52 FROM:HTTP://WWW.BSALSA.COM/EMBEDDEDWB 14.52;. NET CLR 2.0.50727) " The following is the two records in the Web site log, the User

BlackBerry Java program Development How to set the user Agent

BlackBerry Java program Development, User Agent is required to manually set, so more flexible. First Use System.getproperty ("Browser.useragent") to obtain the user agent data as follows: For example: "mozilla/5.0" (BlackBerry; U BlackBerry 9800;

Brief history of browser User-Agent)

In the beginning there was NCSA Mosaic, and mosaic called itselfNcsa_mosaic/2.0 (Windows 3.1), And mosaic displayed pictures along with text, and there was much rejoicing. And behold, then came a new Web browser known as "Mozilla", being short for

Get_meta_tags (), CURL, and user-agent information in php

The following is a brief introduction to the get_meta_tags (), CURL, and user-agent information comparison in php. if you are interested in this article, please refer. The get_meta_tags () function is used to capture the web page... the following is

Head Information user-agent

' Header ' = ' content-type:application/x-www-form-urlencoded '. "". ' User-agent:post test '. '. ' Content-length: '. strlen ($post _string) +8, Please explain the meaning of the above remark. What I know is that when the form is submitted, the

Python uses the Custom user-agent to capture web pages.

Python uses the Custom user-agent to capture web pages. This example describes how python uses a Custom user-agent to capture web pages. Share it with you for your reference. The details are as follows: The following python code uses urllib2 to

Apache2.4 access control with require instructions – Allow or restrict IP access/prohibit unfriendly web crawler via User-agent

Upgrade from Apache2.2 to Apache2.4, found that the original used to restrict some IP and garbage crawler access control rules do not work, the query only found that Apache2.4 began to use Mod_authz_ Host this new module for access control and other

Scrapy using the random User-agent method when crawling Web pages

ReproducedBy default, Scrapy acquisition can only use a user-agent, which is easily blocked by the site, the following code can be randomly selected from a pre-defined list of user-agent to collect different pagesAdd the following code in the

Scrapy crawler prevents User Agent switching from being disabled

Http://doc.scrapy.org/en/1.0/topics/practices.html#bans 1. User Agent Rotation 2. Forbidden Cookies 3. Set the Download_delay greater than 2s 4. Using Google Cache (not understood) 5. Using a rotated IP (not yet) 6. Using the Distributed downloader (

Python crawler How to randomly replace the user-agent

This is a useragent pool inside python, very useful! How to use it specifically?First, install Fake-useragentPip Install Fake-useragentThen, use the methodFrom fake_useragent Import Useragentua = useragent () headers = {' User-agent ':

The user agent string userAgent can implement four identification functions: String useragent

The user agent string userAgent can implement four identification functions: String useragent Definition User proxy string: navigator. userAgent The HTTP specification clearly stipulates that the browser should send a brief user proxy string,

User-agent detailed

User-agent: The user agent user will be passed on the Internet as part of the HTTP request header to the server, to identify the user's current environment (such as browser type and version number, as well as operating system information)

A storage-type XSS of Sina SAE can be targeted at applications (Browser User-Agent)

A storage-type XSS of Sina SAE can be targeted at applications (Browser User-Agent) Reference wooyun-2010-066189, not strict repair Sina sae log center real-time log function storage XSSIn the wooyun-2010-066189, xss is placed on the link to the

User Agent Cross-site attack

See someone posting to consult this question http://zone.wooyun.org/content/17658I'm just going to take the case that refer was executed and I had a lot of casesUsually on the internet we can also modify the browser user-agent and visit any website

HTTP header file user-agent detailed "reprint"

Original address: http://blog.csdn.net/andybbc/article/details/50587359HTTP header file User-agent detailedWhat is User-agentUser-agent Chinese name is the user agent, called UA, it is a special string header, so that the server can identify the

About IE11 Modify User-agent no longer support document.all and other _ related skills

A new identityThe first news about IE11 is that it has a new user agent (UA) string: mozilla/5.0 (IE 11.0; Windows NT 6.3; trident/7.0;. net4.0e;. net4.0c; rv:11.0) Like Gecko IE11 Remove "MSIE", resulting in the previous JS detection "MSIE" code

Win8 How to resolve Web page compatibility issues with custom user agent strings

Win8 How to resolve Web page compatibility issues with custom user agent strings The method is as follows: 1, Win +r key combination of "Run" dialog box, input "gpedit.msc", OK; 2, open the Local Group Policy Editor. In the list on the left,

A simple way to configure the user-agent of a filter crawler in Nginx _nginx

In the past, when blogging, the server downtime, the Web page is not all out, but ping the server when it can ping. Login ssh looked down at top, stunned, average load 13 12 8. Do you think I'm being DDoS for a moment? Look at the next process is

How to judge the micro-letter built-in browser (implemented through the user agent) _javascript tips

In the micro-credit development of the public account, which is a large number of micro-site development, we need to know that the current browser is a micro-mail built-in browser, then how to judge? User Agent for micro-trust built-in browsers

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