Date: Wed, 30 Oct 2002 21:25:47 +0200 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: adrian kok <adriankok2000@yahoo.com.hk> Cc: questions@freebsd.org Subject: Re: lo0 Message-ID: <20021030192546.GA1882@gray.sea.gr> In-Reply-To: <20021028153550.56092.qmail@web21210.mail.yahoo.com> References: <20021028153550.56092.qmail@web21210.mail.yahoo.com>
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On 2002-10-28 23:35, adrian kok <adriankok2000@yahoo.com.hk> wrote: > > I don't understand about the interface lo0 > If it is for loopback, why I got the following from > ipfw -a list > but I didn't ping 127.0.0.1 A network interface doesn't exist solely for the purpose of being able to run ping on it. Other tools might want to look up the host name or address of 127.0.0.1 and connect to it. For instance, at home that I have started a caching named process, programs connect to udp or tcp port 53 (the dns server port) all the time. > What is about 112 hits ? Some program that connects to the local host. You'd have to write special rules and/or start logging stuff to find out exactly what program this would be. > And what exactly lo0 function? To provide a convenient connection point for programs that are written using sockets, but have to communicate with other processes running on the same machine. What else? :-) Giorgos. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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