Date: Tue, 4 Mar 2008 14:29:20 +1100 From: Edwin Groothuis <edwin@mavetju.org> To: "Chris H." <chris#@1command.com> Cc: freebsd-stable@freebsd.org Subject: Re: What's new on the 127.0.0/24 block in 7? Message-ID: <20080304032920.GC2964@k7.mavetju> In-Reply-To: <20080303192359.5fdwtzl7s48ksg8w@webmail.1command.com> References: <20080303174335.xzd80uz0so48o8sk@webmail.1command.com> <20080303214847.E63813@shell.xecu.net> <20080303192359.5fdwtzl7s48ksg8w@webmail.1command.com>
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On Mon, Mar 03, 2008 at 07:23:59PM -0800, Chris H. wrote: > Quoting Andy Dills <andy@xecu.net>: > > >On Mon, 3 Mar 2008, Chris H. wrote: > > > >>Greetings, > >>I'm having some difficulty working with anything past 127.0.0.1. > >>It seems impossible to use (create) any addresses on the "loopback" > >>past 127.0.0.1. > >>More specifically; I installed rbldnsd from ports, and it worked quite > >>well on a 6.x install. However, attempting the same config/install on > >>a 7-RC3 install yields the inability to bind/create 127.0.0.2, or > >>127.0.0.3 for rbldnsd to answer on - all queries are refused. The > >>same pinging/digging, etc. > >> > >>The 2 servers have /exactly/ the same net setups, and DNS/rbldnsd > >>configs. Yet no joy on the RELENG_7 box. So it /appears/ something > >>in this area has changed since 6. But I'm unable to discover any > >>info on it. > >> > >>Thank you for all your time and consideration. > > > >What subnet mask did you use when creating the 127.0.0.2 (etc) interfaces > >on lo0? > > > >On 7.0-R, I just ifconfig'ed 127.0.0.2 as an alias to lo0 with a subnet > >mask of 255.255.255.255, and I was able to bind/listen/accept on it with > >no problem. > > Indeed. I have several /24's to manage, and alias the bulk of them to > the NIC on the server(s). But, having /identical/ configurations/setups > of FreeBSD, and rbldnsd on two different servers; the recent RELENG_6 > server desires/requires no alias on lo0, and happily provides a 127.0.0/24 > While the same setup on a 7-RC3 will only provide 127.0.0.1. Which > brings me to my original question; What's different on 7 regarding the > 127.0.0/24 block? Are you sure it's a /24 you are talking about? My 7.0 disks install 127.0.0.1/8 here. Edwin -- Edwin Groothuis | Personal website: http://www.mavetju.org edwin@mavetju.org | Weblog: http://www.mavetju.org/weblog/
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