On Wed, 27 May 2009, Jason Haar wrote:

Why can't SURBL be expanded to support full URLs instead of just the hostname? That way you could blacklist "a.bad.domain" as well as "xttx://tinyurl . com/redirect-to-bad-domain"? Some form of BASE64 encoding would be needed of course, but why not?

I'd suggest hex- or base64-encoding the MD5 hash of the URI, as is being done in Email BL.

Isn't it true that antispam systems want to check email for known bad websites? As such that is defined as bad FQDN and bad URLs that would redirect users to the bad FQDN (ie redirectors).

Just asking :-)

Sounds like a somewhat reasonable proposal to me.

Better still, the tinyurl-esque services should vet the URLs people submit against SURBL...

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 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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