Hello - This may help
The "/robots.txt" file usually contains a record looking like this:
User-agent: *
Disallow: /cgi-bin/
Disallow: /tmp/
Disallow: /~joe/
In this example, three directories are excluded.
Note that you need a separate "Disallow" line for every URL prefix you want to exclude -- you cannot say "Disallow: /cgi-bin/ /tmp/". Also, you may not have blank lines in a record, as they are used to delimit multiple records.
Note also that regular expression are not supported in either the User-agent or Disallow lines. The '*' in the User-agent field is a special value meaning "any robot". Specifically, you cannot have lines like "Disallow: /tmp/*" or "Disallow: *.gif".
What you want to exclude depends on your server. Everything not explicitly disallowed is considered fair game to retrieve. Here follow some examples:
To exclude all robots from the entire server
User-agent: *
Disallow: /
To allow all robots complete access
User-agent: *
Disallow:
Or create an empty "/robots.txt" file.
To exclude all robots from part of the server
User-agent: *
Disallow: /cgi-bin/
Disallow: /tmp/
Disallow: /private/
To exclude a single robot
User-agent: BadBot
Disallow: /
To allow a single robot
User-agent: WebCrawler
Disallow:
User-agent: *
Disallow: /
To exclude all files except one
This is currently a bit awkward, as there is no "Allow" field. The easy way is to put all files to be disallowed into a separate directory, say "docs", and leave the one file in the level above this directory:
User-agent: *
Disallow: /~joe/docs/
Alternatively you can explicitly disallow all disallowed pages:
User-agent: *
Disallow: /~joe/private.html
Disallow: /~joe/foo.html
Disallow: /~joe/bar.html
Remember: This file must reside in your websites root directory or where your index.html file lives for example.
regards
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