Date: Thu, 17 Jan 2002 08:40:02 -0800 (PST) From: "Aragon Gouveia" <aragon@phat.za.net> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/33996: 127.0.0.0/8 not added to routing table by default Message-ID: <200201171640.g0HGe2f18235@freefall.freebsd.org>
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The following reply was made to PR misc/33996; it has been noted by GNATS. From: "Aragon Gouveia" <aragon@phat.za.net> To: "Ruslan Ermilov" <ru@FreeBSD.org> Cc: <bug-followup@FreeBSD.org> Subject: Re: misc/33996: 127.0.0.0/8 not added to routing table by default Date: Thu, 17 Jan 2002 18:40:55 +0200 Hmm, ipfw? Are you referring to blocking incoming packets with 127.0.0.0/8 as their source? What I mean to say is that any tcp/ip enabled machine should be routing the entire class A to it's loopback interface. Pinging any 127 address from that machine should yield a response, not just 127.0.0.1. Regards, Aragon ----- Original Message ----- From: "Ruslan Ermilov" <ru@FreeBSD.org> To: "Aragon Gouveia" <aragon@phat.za.net> Cc: <bug-followup@FreeBSD.org> Sent: Thursday, January 17, 2002 6:20 PM Subject: Re: misc/33996: 127.0.0.0/8 not added to routing table by default > On Thu, Jan 17, 2002 at 08:02:01AM -0800, Aragon Gouveia wrote: > > > > > > The reserved 127.0.0.0/8 range is not added to FreeBSD's routing > > table with destination interface lo0 by default. Instead, only > > 127.0.0.1/32 is being routed to the loopback interface. Pinging, > > for example, 127.2.3.4 returns no response - in my case it tries > > to route via the default route out onto the net! > > > Nah, this is something that should be controlled with a firewall. > The default ipfw(8) rules block this. Also, the kernel function > in_canforward() does not allow forwarding of IP packets with the > destination address in the 127.0.0.0/8 range. > > Can this PR be closed now? > > > Cheers, > -- > Ruslan Ermilov Oracle Developer/DBA, > ru@sunbay.com Sunbay Software AG, > ru@FreeBSD.org FreeBSD committer, > +380.652.512.251 Simferopol, Ukraine > > http://www.FreeBSD.org The Power To Serve > http://www.oracle.com Enabling The Information Age > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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