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From "Tejas Patil (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-1513) Support Robots.txt for Ftp urls
Date Fri, 04 Jan 2013 09:08:13 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-1513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543720#comment-13543720
] 

Tejas Patil commented on NUTCH-1513:
------------------------------------

For this has to be supported I have 2 approaches:
# Implement robots handling for Ftp in a similar way as its been done for Http protocol. Parsing
performed by Nutch.
# Same as #1 but use Crawler-Commons to get the parsing done. There is already [NUTCH-1031|https://issues.apache.org/jira/browse/NUTCH-1031]
filed for its integration with Nutch. The [last release|http://code.google.com/p/crawler-commons/downloads/list]
of Crawler-Commons was in July 2011. Looks like it aint under active development.

Please let me know your comments about these approaches.
                
> Support Robots.txt for Ftp urls
> -------------------------------
>
>                 Key: NUTCH-1513
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1513
>             Project: Nutch
>          Issue Type: Improvement
>    Affects Versions: 1.7, 2.2
>            Reporter: Tejas Patil
>            Priority: Minor
>              Labels: robots.txt
>
> As per [0], a FTP website can have robots.txt like [1]. In the nutch code, Ftp plugin
is not parsing the robots file and accepting all urls.
> In "_src/plugin/protocol-ftp/src/java/org/apache/nutch/protocol/ftp/Ftp.java_"
> {noformat}   public RobotRules getRobotRules(Text url, CrawlDatum datum) {
>     return EmptyRobotRules.RULES;
>   }{noformat} 
> Its not clear of this was part of design or if its a bug. 
> [0] : https://developers.google.com/webmasters/control-crawl-index/docs/robots_txt
> [1] : ftp://example.com/robots.txt

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