Message-ID: <8B57882C41A0D1118F7100805F9F68B502D2CED8@red-msg-45.dns.microsoft.com> From: Josh Cohen <email@example.com> To: "'Larry Masinter'" <firstname.lastname@example.org> Cc: email@example.com, firstname.lastname@example.org Date: Wed, 10 Jun 1998 13:39:03 -0700 Subject: RE: IPP> On the harm of adding new methods > Larry Said: > > In the case of IPP, it is perfectly adequate to filter on > content-type, > since all IPP content is carried in application/IPP. The > arguments for > adding a new method (that it is somehow 'easier' to filter on > the first > few bytes of the protocol) are specious because most filters that are > looking at the protocol at all are looking at content-type. So the > "firewall filtering" rationale just doesn't hold as a reason > for adding > new methods. > That isnt how I see things. Today, more delpoyed proxies look at the method than the content-type. Content-Type may offer a way of filtering, Ill agree with that, but to say that proxies commonly filter based on content type and not method isn't right.