[jira] [Commented] (NUTCH-1941) Optional rolling http.agent.name's

["Lewis John McGibbney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NUTCH-1941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14315647#comment-14315647 ] 

Lewis John McGibbney commented on NUTCH-1941:
---------------------------------------------

Perfect example of where this scenario arises is below
http://support.hostgator.com/articles/specialized-help/technical/apache-htaccess/user-agent-blocks-mainly-for-bots

> Optional rolling http.agent.name's
> ----------------------------------
>
>                 Key: NUTCH-1941
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1941
>             Project: Nutch
>          Issue Type: Bug
>          Components: fetcher, protocol
>            Reporter: Lewis John McGibbney
>            Priority: Trivial
>
> In some scenarios, even whilst adhering to fetcher.crawl.delay, web admins can block your fetcher based merely on your crawler name. 
> I propose the ability to implement rolling http.agent.name's which could be substituted every 5 seconds for example. This would mean that successive requests to the same domain would be sent with different http.agent.name. 
> This behavior should be off by default.



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