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Date: Tue, 29 Apr 1997 23:43:01 +0200
To: nsj@ncsu.edu, wosch@cs.tu-berlin.de (Wolfram Schneider)
From: Stefan.Bethke@Hanse.DE (Stefan Bethke)
Subject: Re: foobar
Cc: www@freebsd.org
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At 15:54 Uhr 29.04.1997, Nate Johnson wrote:
>%The message for unknown files does not look good, e.g.
>%compare http://www.freebsd.com/foobar with http://www.att.com/foobar
>
>Good point.
>
>If someone (John? Jordan?) will configure Apache's srm.conf file with the
>"ErrorDocument" tags, I'm willing to generate pages to handle the more common
>errors (404, 500, etc.)

I have a script at work which will automatically generate a mail for a 404
*if* the link the user was coming from comes from our own server (that is,
we botched the link our selves). Obviously, it gives a somewhat nicer error
page than the default.

Below is the script I use at Promo.

Stefan

------snip-------
#!/bin/sh

ERRORPAGE=/export/www/CGI-Daten/Fehlermeldungen/4xx.html

if [ -z "$HTTP_REFERER" ]; then
  export msgde="Sorry, unter dieser URL k–nnen wir nichts anbieten. Sollten
Sie die Adresse von Hand eingegeben haben, pr¸fen Sie bitte die
Schreibweise.<P>"
  export msgen="Sorry, but we can't offer a document with this URL. Should
you have entered the address manually, please check the spelling.<P>"
else
  if echo $HTTP_REFERER | grep -iq '://www.promo.de/'; then
    export msgde="Oh, da ist uns ein Fehler unterlaufen! Unser Webmaster
wird automatisch informiert.<P>"
    export msgen="Uh, we messed it up. Our Webmaster is notified
automatically.<P>"

    if echo $REMOTE_HOST | grep -iq '.promo.de'; then
      ;
    else
      mail -s "Falscher Link auf unserer Seite" $SERVER_ADMIN <<EOF
Auf unserer Seite
  $HTTP_REFERER
ist ein Link auf
  $REDIRECT_URL
Diese Seite existiert nicht (Fehler $REDIRECT_STATUS).

Aufgerufen von $REMOTE_HOST [$REMOTE_ADDR].

--
(Automatisch generiert, ohne Unterschrift gueltig.)
EOF
    fi
  else
    export msgde="Sorry, Sie sind einem veralteten Link gefolgt. Wenden Sie
sich ggf. an den Administrator <A href=\"$HTTP_REFERER\">der verweisenden
Seite</A>.<P>"
    export msgen="Sorry, you followed an outdated link. Please contact the
administrator of <A href=\"$HTTP_REFERER\">the refering page</A>.<P>"
  fi
fi

echo "Content-Type: text/html"
echo ""
sh -c "echo \"`cat $ERRORPAGE`\""

--
Stefan Bethke   <Stefan.Bethke@Hanse.DE>
Hamburg, Germany