IPP> Some observations from the IPP BOF in the IETF

IPP> Some observations from the IPP BOF in the IETF

Alex Bochannek abochann at cisco.com
Tue Dec 17 12:50:52 EST 1996


MIMEsweeper is a popular MIME firewall/filter.


Alex.


> rdebry at us.ibm.com wrote:
> > 
> > Classification:
> > Prologue:
> > Epilogue:
> > 
> > I have been thinking about this issue and the proposal to split out the
> > MIME-type encoding as a separate RFC.  I don't know if firewalls look at the
> > MIME type of data being passed through or not (the Content-Type header of the
> > entity body).  However, if we encode the entire IPP message in a new MIME type,
> > say  something like IPP/Mixed, then it at least offers firewall administrators
> > to shut of printing through the firewall based on MIME type.   I also like this
> > approach because it allows us to completely define the semantics and syntax of
> > the content, without worrying about baggage from currently defined MIME-types.
> > One example of baggage that I object to is the requirement  to use boundary
> > strings in Multipart-mixed messages. Lengths are much better!
> > ---------------------- Forwarded by Roger K Debry/Boulder/IBM on 12/17/96 07:46
> > AM ---------------------------
> > 
> 
> 
> In my experiences with firewalls (TIS, Checkpoint, etc.), no firewall
> filters
> exist that filter on MIME type. This is an application layer object and
> is
> at least one level above (maybe more) where firewall filters are
> looking.
> 
> Randy
> 
> 
> 
> 
> -- 
> Randy Turner
> Network Architect
> Sharp Laboratories of America
> rturner at sharplabs.com



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