Ubuntu Servers :: Error: Software Caused Connection Abort
May 1, 2010
I'm at the end of my rope here, and am extremely frustrated. I have a web server running on Ubuntu Server and am using OpenSSH for all my SSH and sftp needs. However, I have the strangest of all situations that I cannot for the life of me figure out.
I have a user chrooted to /var/www/username in /etc/ssh/sshd_config and in /etc/passwd. When the user is chrooted to that folder, whenever I try to log in through SFTP using any client, I get an error saying "Network error: Software caused connection abort." The kicker is, when I chroot the user to /var/www that user can log in just fine. I've tried changing every chmod and chown setting I can think of, and I have NO idea why it matters by one folder.
I had the jail working perfectly for about 2 hours, when it seemingly just decided to stop.What's really getting to me is why the two folders, which have the exact same settings, are not operating the same way.
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Feb 9, 2010
I have 2 computer: 1 computer install ubuntu v9.10, in this computer already installed openssh-server and openssh-client, and 1 computer install windows. In computer with windows , i used putty connect to computer with ubuntu, but i can't connect. I don't understand what's error.
In the Putty , i configured:
IP : IP address of computer Ubuntu.
Port 22
Connection Type SSH
This is error: "Network Error: Software caused connection abort"
In computer with windows, i can ping computer with ubuntu and in computer with ubuntu i can ping computer with windows.
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Aug 6, 2010
Ive recently switched over to AT&T Uverse TV/Internet service and I've noticed that when I ssh into my linux( 2.6.18-194.3.1.el5xen CentOS) server I get disconnected. When I'm using putty it gives the "network error software caused connection abort" error. When I'm at work using one of our jump servers and ssh'ing from the command line it will freeze up from time to time but never disconnects. I think the problem is either with the OS or the new AT&T modem. At first I had my CentOS server using DHCP and it would disconnect within a few minutes after I ssh'ed. I switched over to a static IP and now it goes about 10 minutes before it disconnects. It doesnt matter if I'm actively typing or not, so it's not an inactivity issue. I have the firewall turned off on my laptop, and since the issue happens on multiple devices, including my iphone I dont think thats the issue.
I have iptables and selinux turned off/disabled so thats not it. In putty I have enabled Keep Alive(30 seconds) and it still disconnects. I opened the port on the modem to allow ssh for the IP of the linux server. Ive also recently reinstalled this server with CentOS so I can't compare with the previous internet provider as I didn't reinstall until after I switched over. BUT previous installs with CentOS 5.2 worked fine with the previous ISP. AT&T Modem is a 2wire 3800HGV-B
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Feb 11, 2010
I have 2 computer: 1 computer install ubuntu v9.10, in this computer already installed openssh-server and openssh-client, and 1 computer install windows. In computer with windows , i used putty connect to computer with ubuntu, but i can't connect. I don't understand what's error. In the Putty , i configured: IP : IP address of computer Ubuntu. Port 22 Connection Type SSH This is error: "Network Error: Software caused connection abort"
In computer with windows, i can ping computer with ubuntu and in computer with ubuntu i can ping computer with windows.
I already checked computer with ubuntu : /etc/ssh/sshd_config: in this file port 22, PermitRootLogin yes.
And in this machine installed with openssh-server, and openssh-client. But in this time, this error is maintaining, i don't find idea to fix this error.
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Jun 23, 2010
I just recently installed RT Tracker 3.8.8 on a Centos 5 VM install. I've been running 3.6.6 for more than a year now with no issues. But I'm having some serious slowness issues with 3.8.8. When I start the httpd service at least one of the processors go straight to 100%. It also tends to do this when you browse to it for the first time. I've been trying to figure out the problem, but I can't get a grip on this one. This error pop's up in the /var/log/messages log:
Jun 22 11:03:56 helpdesk RT: Apache2::RequestIO::rflush: (103) Software caused connection abort at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/ApacheHandler.pm line 1020 (/opt/rt3/bin/webmux.pl:79)
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Feb 10, 2010
I am running centos 5.4, kernel 2.6.18. Also running httpd (apache2) as a reverse proxy with the following modules
mod_ssl
mod_cache
mod_proxy_*
Recently after updating these modules:
mod_ssl x86_64 1:2.2.3-31.el5.centos.2
httpd x86_64 2.2.3-31.el5.centos.2
distcache x86_64 1.4.5-14.1
I am getting wierd errors in the error logs:
[Wed Feb 10 15:44:18 2010] [error] (103)Software caused connection abort: cache: error returned while trying to return disk cached data
[Wed Feb 10 15:44:45 2010] [error] (103)Software caused connection abort: cache: error returned while trying to return disk cached data
[Wed Feb 10 15:44:48 2010] [error] (103)Software caused connection abort: cache: error returned while trying to return disk cached data .....
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Apr 7, 2010
Is there any way to back out of and upgrade that is not going well, The original OS is still operable but of course synaptic wants the upgrade to continue. The upgrade stalled after packages were downloaded and about 45 to 90 seconds into the install/upgrade. Is there a way to convince synaptic to abort the upgrade?
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Feb 10, 2011
I am running an Ubuntu Server on a VirtualBox VM running on my windows machine. So I've created a self-signed certificate using the following tutorial: [URL]
From this tutorial I'm left with 3 files:
server.key
server.csr
server.crt
Then I found this very similar tutorial that has an extra bit on installing the certificates in apache: [URL] So I followed it's instructions which boil down to this:
[Code]...
So I'm thinking this should work now. However in Chrome I get: SSL connection error Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. IE8 gives me a typical "Internet Explorer cannot display the webpage" Note that [URL] fails while [URL] works fine, so it's definitely something in my ssl setup I'm thinking.
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Nov 13, 2009
While attempting to install CentOS 5.4 x86_64 from DVD (downloaded torrent), I encountered a fatal error that aborted the install and dumped a bunch of log files. I attempted this a couple of times resulting in the same error. I tested my hardware via CentOS 5.4 x86_64 live cd without exception. Here is my install configuration:
1)Booted to DVD
2)Skipped media test
3)English (English)
4)U.S. English
[Code]....
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Jan 3, 2010
I am facing some strange problem of mysql replication with ssl, my replications which working fine from more than 6 months currently stopped working after i upgrade mysql in to newver version mysql-5.1.41-2, i create new ssl self singed certs but still no sucess, when client try to connect the master using ssl its gives error SSL connection error ERROR 2026 (HY000), with out ssl its working f9.
Platform --> Fedora-11 + mysql-5.1.41-2 (both master/client)
I can seeking the problem on net, and i found the below bugzilla url related to that.
[url]
I read it but not get , either new version support x509 ssl certs or not or either new version support ssl replication or not, here below my server configuration for ssl serts
And for client
Both server and clients certs are signed with same ca but still its currently not working after the mysql upgrade first 5.1.41 and then 5.1.41-2
Either as above bugzilla url, currently mysql support ssl replication or not, or either some need to do special for working with ssl. or i wait for newver version of mysql to fix if its bug or not.
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Sep 9, 2010
As usual, I let the update manager run.. But now something bad happened and a red button is showing in the system tray, which when I hover my mouse over it, tells me to open package manager or try "sudo apt-get" in terminal to see what is wrong..
If I enter sudo apt-get upgrade, I get the following errors.. How can I fix it.. I am unable to open package manager itself..
Code:
E: Problem parsing dependency Depends
E: Error occurred while processing gconf2 (NewVersion1)
E: Problem with MergeList /var/lib/dpkg/status
E: The package lists or status file could not be parsed or opened.
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Jan 6, 2010
I have recently installed 9.10. Under 7.04 thru 9.04 I have a bash script and php script that I used to send announcements about club events.When I tried it today, I get errors. Here us the command line script I use to call the php mail handling script.
Code:
#!/bin/bash
## member calling for Dave
[code]....
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May 16, 2011
Network-manager-gnome caused an error during system update.Quote:network-manager-gnome: Depends: network-manager (>=0.8.99 but 0.8.4~git.20110319t175609.d14809b-0ubuntu3 is to be installedHow can I update network-manager?
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Oct 10, 2010
I'm trying to update my Ubuntu 10.04 to 10.10... But I get this error message:pkgProblemResolver:Resolve generated breaks, this may be caused by held packages
I tried to disable all the repositories, and also "sudo apt-get -f"... But still having this error message...
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Dec 8, 2010
figure out this error?
Code:
kradalby@hpcompaq6530b-laptop ~/.ssh $ ssh -vvv -p 110 kradalby@dfekt.no
OpenSSH_5.5p1 Debian-5+b1, OpenSSL 0.9.8o 01 Jun 2010
[code]....
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Dec 20, 2009
I have FileZilla installed on this machine, and OpenSSH (with an open port 22) on another machine on my home network. When I try and connect, I get: Quote: Status:Connecting to 192.168.2.3... Response:fzSftp started Command: open "alphatwo@192.168.2.3" 22 Error:Connection refused Error:Could not connect to server
Which has left me puzzled as I have an open port. Does the username have to be defined somewhere? E.g. the machine acting as my SFTP server can be logged on to locally as alphatwo so that's what I logged in as (with the correct password). Is this correct? If so, does anyone have any ideas as to how I might rectify it? I want SFTP set up so I can copy PHP files from my laptop to /var/www/html/ on another PC (across the home network).
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Jan 7, 2011
I am merely trying to change the port for my ssh server.However it isn't changing.I edited my ssh_config file to:
Code:
# This is the ssh client system-wide configuration file. See
# ssh_config(5) for more information. This file provides defaults for[code]...
When i try to connect to my server via port 443 i get a connection refused error. However when i try to connect via port 22 it connects. Since that didn't work, i tried restarting the entire server.To restate, i changed the config file and restarted ssh then the computer, however the port didn't change.Ohh and yes my router is set to port forwarding on port 443, though it doesn't matter since I'm inside the network.
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Feb 22, 2011
I have a problem between a jail root (so a group of users can access through sftp to Apache directory (var/www) an not get out of this directory.
1. I have the group 'sftponly', I need to access / var / www for sftp (read only)
2. On the other hand I need that user www-data (Apache) is the owner or at least have write permissions in the same directory (/ var / www)
The problem comes when the two needs together, as from what I read, to do jailroot in a directory is necessary for the owner is root and any other user has write permissions on it.
If along the jailroot with write permissions then attempt to connect to the client via sftp throws me the following error: "Error: Server unexpectedly closed network connection"
Permissions system User/group/Others doensn't work to me, so I tried it with ACL, but I have the same problem when I grant write permissions to the apache user.
Does anyone know how can I do for the user www-data can have write permission in the Apache directory and be able to create a user or group of users who are "locked"in this directory to enter sftp?
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Dec 14, 2010
System gets corrupted when I abort a kickstart installationI have a simple kickstart installation of CentOS 5.5 (same issue on 5.3)The only user interaction is the partitioning screen.if, in my cfg file, I state :-
# Partition clearing information
clearpart --all --initlabel
or
[code]....
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Feb 17, 2010
I set up an NFS server on my home computer, all very simple add a line to /etc/exports, run exportfs -a, all worked well and as expected. Through no fault with Fedora, bugs in the client computer made me abort the entire experiment. (long story that you don't want to know) Undo all the config, reboot. However I'm now left with an issue that's not earth shattering. Every time I reboot my computer a /Public directory is created in my home directory, this is obviously a legacy from the original NFS setup. I've trawled through log files, looked at config files in /var/lib/nfs, but can find nothing that might be generating this /Public directory at boot time.
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May 21, 2011
I got an error while working with NetworkManager in new RHEL6/ Fedora14. I have a ZTE AC 2726 3G wireless modem. i had tried to connect it via NetworkManager . It only requires username and password to connect but the thing is that after putting all the credentials i had checked the option" available to all the user "and while i was trying to save the profile it shows the following error saving connection failed 0 can't write connection type 'cdma'I had google so many times around this error but no better solution is there .
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Feb 21, 2011
im on node1 when i type the command ssh node2@ip the terminal hangs up a bit then an error message stating that connection timeout but here is a thing: i cant ping to node2
but i can terminate the ping manually using ctrl+c when i terminate the ping usual message appears stating 10 packets transmitted, 100% loss
ps: when i go to node3 and ssh to node2 it works fine and also i can ping from node3 to node2 very fine. and the firewalls are down at all nodes -all wired connection over a switch
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May 14, 2010
I am trying to Setup citrix ICA client 9 on Ubuntu 9.04 Server. I installed it very easily and I am not getting any lib error also. But when I try to connect to the citrix server, it fails with a pop up saying "Error in Network Connection Network or Dialup connection may be preventing ......" This is driving me crazy from 3 days. My project is to check the feasiblity of a Linux desktop
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Apr 21, 2010
I've had some problems with MythTV recently, and I realized that this was because my hard drive was full. I traced the problem to my mythbackend.log files, which were several gigabytes in size. The weird thing is that the log files are filling with this:
Code:
2010-04-21 07:47:28.661 Failed to decode frame. Position was: 0
2010-04-21 07:47:28.916 Couldn't open file abort.dat
2010-04-21 07:47:29.170 Failed to decode frame. Position was: 0
[Code]....
I did some research, and this issue appears to normally be associated with commercial flagging problems. However, my commercial flagging jobs all appear to be running normally, and the log fills with this junk even when there are no jobs in the queue and mythcommflag isn't running. To make matters worse, this is difficult to troubleshoot because there is no abort.dat file anywhere on my system. I can see this possibly being a permissions problem with the directory that abort.dat is supposed to be, but I have no clue where that is.
where abort.dat is normally found?
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Sep 22, 2010
I would like to report my experience while using UNR 10.04.
Everytime I connect my Nokia handphone either as a mass storage mode (for transfering video/image) OR using my handphone as a 3.5G Modem.
While connected or even after I finished connecting my handphone for the above purposes, when I close down Chromium browser, the whole OS will freeze!! Neither keyboard or mouse would work. This thing does not happened if I'm using Firefox for browsing internet.
I have to do a hard restart to use my netbook again.
Chromium:
6.0.472.53 (57914) Ubuntu 10.04
UNR 10.04: with updated software packages
HP Mini 110-1006TU
Standard specification with 2GB RAM.
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May 25, 2010
For a while now whenever I log off/shutdown I always get a dialogue asking me to abort an active session.Its a root user session on vt3. The strange thing is I can not get to that session for love nor money, going to tty3 I just have a login prompt, I've tried logging in and then logging out but whenever I go to close down again I always get the same dialogue.
I've only just noticed recently that on the login screen (KDE) In the Menu > Switch User dialogue I have the option to switch to a root session on vt3 or the current graphical session on vt7. Yes, I've tried switching to the session there on vt3 and again same as above when switching manually to tty3.
I've recently upgraded from 11.0 to 11.2 64-bit, this is one of the issues I was hoping to get rectified in the upgrade, but I think instead a setting/lock file must be causing confusion somewhere.
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Mar 14, 2010
About 2 weeks ago I upgraded my Ubuntu OS from 8.04 to 8.10 and then to 9.04 with kernel 2.6.28 - 10 - Generic.Today I discovered K9Copy no longer works. When I start K9Copy it comes up ok but if I click on anything in the main window (file, copy, etc.) I get a message that says:A fatal error occured.The application K9Copy crashed and caused the signal 11 (SIGSEGV)
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Aug 23, 2010
Im not to sure where to post this, but i upgraded from Ubuntu 10.04 to Ubuntu 10.l0 and it gets stuck at the bootscreen, i followed the instructions on how to do a upgrade. Im not to sure whats caused it or how to solve it, and i dont really want to reinstall 10.04 as i forgot to backup my files
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Mar 11, 2010
I have been trying to run python programs that use clutter in Ubuntu, but all programs end with a segmentation fault. I have traced this to a bug in linselinux1 (see:URL... I am using Jaunty, and can't seem to update to a newer version of libselinux1 which has the bug fixed because all the newer versions seem to be for Karmic of Lucid. The bug report mentions a fix, but it seems a bit to complex and confusing for me. Can anyone explain how to fix this? I'm doing a course in Python, and I really need this to work.
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Sep 19, 2010
Macbook Pro 7,1 (current model) - sound worked after adjusting as described here: [URL] Sound stopped after allowing system to update today.
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