Date: Wed, 17 Jun 1998 19:07:50 -0500 (CDT) From: Jeremy Shaffner <jer@jorsm.com> To: "Stephen A. Derdau" <sderdau@bit-net.com> Cc: questions@FreeBSD.ORG, adrl@whoweb.com Subject: Re: [Fwd: tcp_extensions] Message-ID: <Pine.BSF.3.95q.980617190725.4466E-100000@mercury.jorsm.com> In-Reply-To: <3586F539.C0AFA6CE@bit-net.com>
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He means it's got nothing to do with them. Did you try the URL he suggested? On Tue, 16 Jun 1998, Stephen A. Derdau wrote: > I may be wrong in asking my isp to see if they have a fix for the > tcp_extensions for their equipment.. However I am not technical enough > to respond back to the isps reply which follows. > I've installed communicator 4.05 and running tcp extensions on my > end I still cannot get to sites like www.freebsd.org. > So I have to disable tcp_extensions. > Here is the email that has passed between us. > > > > >From where are you quoting? > > > > I assume you're quoting from something for FreeBSD and talking > > about RFC1323 and RFC1644 ? > > > > RFC1323: > > TCP Window scale option > > > > RFC1644: > > TCP Extensions for Transactions > > > > Both of these are TCP extensions. They would only be relevant > > to our Bay Networks Remote Access Concentrators if you were > > making a tcp connection _with_ the RAC. But you're not, you're > > routing IP packets _through_ the RAC and our Cisco routers, > > and MCI's routers, etc. > > > > What matters is that both endpoints of the TCP connection > > properly implement the RFC's. If you can't talk to certain > > websites with the extensions turned on, then one end or the other > > has a problem. RFC1323 is a negotiated option. If the remote > > end doesn't support the window scale option, it won't be ack'd. > > > > Try http://www.whoweb.com . It's a freebsd box > > running the TCP extensions. > > > > Jon > > Thisis what I sent him from the FreeBSD FAQ search ****** > > > > > 10.14. I'm having problems talking PPP ......" . > > > > > > Try disabling the TCP extensions in /etc/rc.conf by changing the > > > following variable to NO: > > > > > > tcp_extensions=NO > > > > > > > > > Xylogic's Annex boxes are also broken in this regard and you must use > > > the above change to connect > > > thru them. > > > > > This is what I asked him ****** > > > > ***** Any Idea when the patch for your Annex system will > > > be put in so that I can start using tcp_extensions on my end? > > > As it is now with tcp_extensions enabled I cannot get to certain > > > websites. I understand it's a known problem and has been for a time. > > > Do expect them to send / make a fix for this and if there is a fix now > > > will this be applied to your equipment ******* > > > > > > Thank You > > > -- > > > "FreeBSD It's That and Much Much More" > > > Find out Why @ http://www.freebsd.org > > > Stephen A. Derdau > > > http://sderdau.bit-net.com > > > Running: FreeBSD 2.2.6-STABLE #0: Mon Jun 8 20:16:08 EDT 1998 > > > -===================================================================- Jeremy Shaffner JORSM Internet Senior Technical Support Northwest Indiana's Premium jer@jorsm.com Internet Service Provider support@jorsm.com http://www.jorsm.com -===================================================================- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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