Thanks for the reply Xavier,

I got the following in the log:
Do you think it's to do with my having 3.30 version?
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HTTrack3.30-nossl launched on Tue, 06 Apr 2004 21:30:38 at
<http://www.oreilly.com/catalog/debian/chapter/book/>
(httrack <http://www.oreilly.com/catalog/debian/chapter/book/> )

Information, Warnings and Errors reported for this mirror:
note:   the hts-log.txt file, and hts-cache folder, may
contain sensitive information,
        such as username/password authentication for
websites mirrored in this project
        do not share these files/folders if you want these
information to remain private

21:30:39        Error:  "Receive Error" (-4) after 2 retries
at link www.oreilly.com/robots.txt (from primary/primary)
21:30:39        Error:  "Receive Error" (-4) after 2 retries
at link www.oreilly.com/catalog/debian/chapter/book/ (from
primary/primary)
21:30:39        Info:   No data seems to have been
transfered during this session! : restoring previous one!

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