Both Victor and Greg suggest that when I THOUGHT I disconnected from my University account, the connection ACTUALLY stayed open for 18 hours afterward. This is likely, although I do not know why it might happen and I don't know how to track down what is really going on.
Thanks for the suggestions. If I learn more, I will post more. On Saturday 13 April 2002 12:03 am, you wrote: > I have one other _speculation_ based on all the other urls explaining > what "Network Error:...". The reason the University could "get a > message" through your firewall is that your session did not or the > server did not cleanly disconnect you the other night. Finally either > the sys admin or the sshd daemon on the University computer disconnected > you. Hence the "Network Error: Connection Reset By Peer". > > Greg > > Mike Sussman wrote: > > Thanks, Greg, for the comments, but I still wonder how the University's > > computer managed to get a message to my computer through my > > Dachstein firewall. (My original ssh session worked fine. It was only > > 18 hours later that I got the "Connection reset by peer" message.) > > If the University can get to my computer, who else can? And how > > do I stop it? > > > > On Friday 12 April 2002 08:56 pm, you wrote: > > > ummm...a little more research points to a problem on the university > > > site. > > > http://support.pinehurst.net/netscape/network_error.html > > > "Why do I get "Network Error: Connection Reset By Peer?" > > > ----------------------------------------------------------------------- > > >---- ----- > > > > > > > > > Question: > > > When I try to download something from a particular site, I receive a > > > message that the connection was reset by peer. How do I resolve this? > > > > > > Answer: > > > > > > A connection reset by peer message means that the site you are > > > connected to has reset the connection. This is usually caused by a high > > > amount of traffic on the site, but may be caused by a server error as > > > well. You will need to contact the site administrator or webmaster and > > > inform them of this error message if it persists. > > > > > > Usually waiting a short amount of time and trying to access that site > > > again is all it takes to get through to it. > > > > > > Greg Morgan wrote: > > > > Mike Sussman <[EMAIL PROTECTED]> wrote: > > > > <snip> > > > > > > > > > I have observed a strange message and I hope one of you can shed > > > > > some light on it. > > > > > > > > > > Last night I logged into my university shell account using ssh. I > > > > > did some work and logged out. This afternoon (maybe 18 hours > > > > > later) I received the following message: > > > > > "Read from remote host euler.math.pitt.edu: Connection reset by > > > > > peer" The message appears to be saying that euler.math.pitt.edu > > > > > sent me a message this afternoon and that my computer recognized it > > > > > as related to last night's ssh session. If that interpretation is > > > > > true, HOW DID THE MESSAGE GET THROUGH THE DACHSTEIN FIREWALL? I > > > > > have no ports opened. > > > > > > > > Sometimes *nix systems keep track of your last logon and report it > > > > back to you but this may not be the case here. > > > > > > > > Second I think this is the university's ssh daemon talking to you and > > > > nothing is coming through your firwall. I think your connection > > > > worked 18 hours ago and now you are having problems. > > > > > > > > I searched google and came across this message. It hints that you > > > > may have a configuration problem, or the University may be having a > > > > problem. The url is here and a copy of the message. I'd replace > > > > putty with your ssh client and Redhat with the university's ssh > > > > server when you read the message. > > > > http://www.tek-tips.com/gviewthread.cfm/lev2/3/lev3/20/pid/54/qid/197 > > > >750 > > > > > > > > "dpjc (Visitor) Mar 8, 2002 > > > > I tried to use PuTTY to make a ssh connection to a redhat 7.2 server > > > > running sshd daemon.( by installing openssh-server2.9p2). But instead > > > > of getting connected,it keep give me this error: "Network error: > > > > connection reset by peer" > > > > > > > > I have been looking for the solution for almost a day through > > > > numerous sites without still can't find the solution. > > > > > > > > Is anybody out there can help? > > > > > > > > ifincham (IS/IT--Manageme) Mar 8, 2002 > > > > Hi, > > > > > > > > First suspect would be the RH 7.2 firewall. Did you allow port 22 > > > > (ssh) through ? Unless you know you disabled that or configured it > > > > already then 'lokkit' is often one of the reasons people can't > > > > connect to a RH7.x machine out of the box. You can admin lokkit via > > > > : > > > > > > > > # /usr/sbin/lokkit > > > > > > > > ... simplest is to set you lan interface as trusted. Then restart the > > > > network : > > > > > > > > # /etc/rc.d/init.d/network restart > > > > > > > > Otherwise, see the openssh chapter of the RH Customisation guide --> > > > > http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/ > > > >open ssh.html > > > > > > > > When you have the basics working see also --> > > > > http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/ref-guide/s1- > > > >ssh- requiring.html > > > > > > > > Hope this helps > > > > > > > > > > > > aixmurderer (IS/IT--Manageme) Mar 8, 2002 > > > > For a client I have taken to SecureNetterm as my preferred ssh > > > > client, found it pretty robust with lots of extras built-in. One nice > > > > feature is the ability to generate private and public keys, doing > > > > away with the need for passphrase authentication when connecting. > > > > > > > > As for setting up SSH (openSSH) on a mix of Sun, AIX and Linux, the > > > > info out there was pretty sparse. I ended up buying the O-Reilly SSH > > > > book, a bit pricy, but excellent. > > > > > > > > The "connection reset by peer" may be that your sshd daemon isn't > > > > running, do a ps -ef|grep sshd and see if it's up. But then it may be > > > > a firewall/router issue as well as ifincham said. > > > > IBM Certified Specialist - MQSeries > > > > > > > > > > > > dpjc (Visitor) Mar 10, 2002 > > > > Thanks guys. It is the firewall setting which blocks the SSH port. > > > > Now it works. Thanks, ifincham & aixmurderer. > > > > > > > > > I have set ssh on the firewall to listen only to the internal net. > > > > > I have no kernel modules to pass packets. I have no services > > > > > (except the internal ssh) running on the firewall. > > > > > > > > > > I must be misinterpreting something. Please educate me. > > > > > -- > > > > > Mike Sussman > > > > > [EMAIL PROTECTED] > > > > > > > > I hope this helps, > > > > Greg Morgan > > > > -- > > Mike Sussman > > [EMAIL PROTECTED] -- Mike Sussman [EMAIL PROTECTED] _______________________________________________ Leaf-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/leaf-user
