decode http hack attempt?

["James B. Byrne" <byrnejb@xxxxxxxxxxxxx>]

Can anyone de-cypher the second entry for me?

--------------------- httpd Begin ------------------------


 Requests with error response codes
    403 Forbidden
       /: 9 Time(s)
       /?c=4e5e5d7364f443e28fbf0d3ae744a59a: 3 Time(s)

I have found the string via Google but have not located any explanation.

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James B. Byrne                mailto:ByrneJB@xxxxxxxxxxxxx
Harte & Lyne Limited          http://www.harte-lyne.ca
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3

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