Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Message-Id: <200307272311.h6RNBpMx017230@mail1.acecape.com> From: "Matthew O. Persico" To: CC: , Date: Sun, 27 Jul 2003 19:11:56 -0400 In-Reply-To: <3F24047B.3070609@cygwin.com> Subject: Re: Erroneous complaint about being unable to run emacs Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id h6RNC4C11513 On Sun, 27 Jul 2003 12:57:31 -0400, Larry Hall wrote: >Matthew O. Persico wrote: > >>On Sun, 27 Jul 2003 10:35:04 -0500, Bill McCormick wrote: >> >>>Martin Cohen Wrote: >>> >>>>The reason for this is that my McAfee firewall was >>>>set (due to my mistake) to not allow emacs to access the >>>>internat. This caused the failure above. >>>> >>>>I do not know why emacs (and other applications, such as >>>>xclock) need to access the internet, but allowing them to >>>>allows them to run. >>> >>>Emacs (and must programs X programs) use TCP/IP sockets to >>>communicate to >>>Xserver. >>> >> >> >>Agreed, but what really bugs me is this: >> >>Emacs has to use TCP/IP to look for an XServer, but the best it can >>to is look at 127.0.0.1 and then $DISPLAY. Sooooo, assuming that >>both are on the same machine, why is McAffee >>detecting an attempt to get to the Internet? Shouldn't they both >>resolve to the LAN? Unless McAffee/Norton and the ilk monitor the >>TCP/IP stack and put up "messages" before the >>destination is decoded, assuming the worst? > > >Is this a rhetorical question? No, I really don't know exactly what McAffee or Emacs do under the covers. I was just supposing based on observed behaviour outside of Cygwin. > >If not, you could debug Emacs to look for the answer, although I >expect it >comes down to the internals of Winsock. But, if you can't find a >good >reason there, then it must be a McAffee issue. Actually, you might >want >to start there anyway. A review of their knowledge base might >provide >some insights. If you do find that this is some wierd Cygwin issue, >report it back to this list. > -- Matthew O. Persico -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/