Re: [secdir] review draft-ietf-httpbis-content-disp-06

Stewart Bryant <stbryant@cisco.com> Mon, 14 March 2011 18:29 UTC

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Date: Mon, 14 Mar 2011 18:30:47 +0000
From: Stewart Bryant <stbryant@cisco.com>
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Cc: julian.reschke@greenbytes.de, draft-ietf-httpbis-content-disp-06@tools.ietf.org, iesg@ietf.org, secdir@ietf.org
Subject: Re: [secdir] review draft-ietf-httpbis-content-disp-06
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> > From a security viewpoint, I think the protocol should restrict
> filenames to ascii alphabetic characters (no "." or "/"), and that if
> the filename does not conform, the receiver SHOULD reject the message
> and send an error code back to the sender.  The sender should not be
> allowed to specify a file extension.  The receiver SHOULD write the
> files into a quarantined disk area using a temporary filename, the
> file to be released to the recommended name pending manual review.
> But, that would break the world, as would so many security
> recommendations.
Surely you mean ascii alpha-numeric characters?

Text fixing this would also address the security component of my Discuss.

- Stewart