Date: Sun, 22 Nov 1998 13:36:18 -0500 (EST) From: Chris Martino <chrismar@peanut.readington.com> To: Bryce Newall <data@dreamhaven.net> Cc: FreeBSD Questions List <freebsd-questions@FreeBSD.ORG> Subject: Re: slow connection Message-ID: <Pine.BSF.3.96.981122133606.21328A-100000@peanut.readington.com> In-Reply-To: <Pine.NEB.3.96.981122100841.15436A-100000@ds9.dreamhaven.org>
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Maybe yer NIC is going bad? Chris -- Chris Martino chrismar@readington.com On Sun, 22 Nov 1998, Bryce Newall wrote: > Greetings all! > > (Never a dull moment with me, is there?) I've been running into some > trouble with one of my machines at home. I've got 2 FreeBSD boxes hooked > up to my cable modem -- one is mine, and one belongs to a friend who lives > in Texas. I haven't been able to figure out what it is, but there's > *something* that is making access outside of my machine extremely slow. I > thought at first it was something on my friend's machine (a high-volume > mailing list, or web server, etc.) that was slowing down my entire cable > modem connection, but that's not the case. If I log into the console of > her machine and traceroute outbound, the ping times are normal (under > 60ms). However, if I log into my machine's console and traceroute > outbound, the ping times are nearly 1000ms. > > I've shut down every possible service on my machine I can think of -- > httpd, named, even the login program that logs me into my cable modem > provider (Road Runner). Nothing seems to help. Netstat shows only a > handful of TCP/UDP connections, most of which are my outgoing connections > to other machines (telnet port, ssh port, etc.). The one thing that does > seem odd is that my machine has a *lot* of entries under Active Unix > domain sockets, where my friend's machine has only a few. Here's an > example: > > (My machine) [17]data@ds9:/home/data % netstat -n | grep -c stream > 20 > [18]data@ds9:/home/data % netstat -n | grep -c dgram > 10 > > (My friend's machine) [6]data@quixotic:/users/data % netstat -n | grep -c stream > 0 > [7]data@quixotic:/users/data % netstat -n | grep -c dgram > 10 > > I, unfortunately, do not know a whole lot about Unix domain sockets (I > know little to nothing about them, actually), so I don't know what dgrams > and streams are. However, I do find it odd that while we both show the > same number of "dgram"'s, I show 20 "stream"'s while she shows none. I'm > suspicious that my machine is either doing something to itself, or that it > could be an outside attack against it. Although I would think an outside > attack would affect her machine too, and not just mine, since internally I > have more network bandwidth than I have to my cable ISP. > > So my question to you all is: Does anyone have any suggestions on what I > should check to see what the hay is going on? And please feel free to be > as basic as you want... don't worry about insulting my intelligence. :) > > Thanks in advance! > > ********************************************************************** > * Bryce Newall * Email: data@dreamhaven.net * > * WWW: http://home.dreamhaven.net/~data * > * "Insanity takes its toll. Please have exact change." * > ********************************************************************** > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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