Ubuntu Servers :: TLS With ProFTP - Server Seems To Be Terminating The Session
Sep 1, 2011
I have been using proftp for about 8 months. After getting the configuration right, it worked perfectly. It is only used intermittently, so I don't know for sure when the problems started, but I suspect it was triggered by a recent OS upgrade to Ubuntu 10.04 (64 bit). I have proftp set up so that TLS is required on both the data and control channels. The problem is that, after successful login, the server seems to be terminating the session because the client (FileZilla) is attempting to renegotiate something (probably the TLS). The client settings didn't change, nor did the server settings.
I have tried switching off the TLSRequired flag, and am then able to establish a non-secure FTP session which works (but that does not meet my requirements). I wondered whether the OS upgrade had somehow invalidated my TLS certificates, but the symptoms don't seem consistent with that cause. The TLS part of my proftpd.conf file is:
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Jun 9, 2009
I got Fedora 10 and I installed a proftpd server it works in local network but not from outside. Actually I can see it checks for user and pass but when it has to list the user dir it freeze. The server is behind a router. I am using passive ports 60000-60100 and I forwarded all connections to and from 21 to 60000-60100 onto internal (192.168.0.109) IP address.
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Jul 18, 2010
I am running webmin on ubuntu server 10.04lts I have dovecot installed.when I try to check for mail the server unexpectedly terminates the connection. window live mail gives this error, and when i use telnet to try to login and get email it terminates the connection right after i send the "PASS thisismypassword" command.
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Feb 3, 2011
I am running CentOS release 5.5 (Final) with PROFTP installed.
I am able to connect to the ftp server from local, but when I try it from dream weaver CS5 it can't connect to the server. I ran a port scan and 21 seems to be open:
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
53/tcp open domain
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Nov 9, 2010
I'm running a ProFTP 1.3.3 server on a CentOS 5.5.What has come to my mind in terms of security is to have the server disabling / deactivating account that enters the wrong password, lets say three times.Using MaxLoginAttempts only limits the possible retries on a open connection.
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May 24, 2011
have setup proftpd via gadmin, all is well and is activated.This is where im being stupid - what setting do i use in my ftp prog (filezilla)??
host: ive put my ip address (77.xx.xxx.xx)
user name and password
However, i have a number of computers on my network, obviously when i try to ftp into my server how does it know which one to connect to? or is this not required.i need to get this working within the next few hours, or ill be in do-dos.
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Jan 26, 2011
Ive looked up and down but i cant seem to find an answer to my question. Why cant i upload to my ftp site. I am running a lamp server and i installed proftp. i created users and groups. i tested my server and its working fine. but now when im working on dreamweaver to connect to my ftp... It connects fine i can download my files from the site but when i edit them and try to "put" them back. i get an error:
index.html - error occurred - An FTP error occurred - cannot put index.html. Access denied. The file may not exist, or there could be a permission problem. Make sure you have proper authorization on the server and the server is properly configured.
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Nov 30, 2010
I have a real system user say 'test', created in a number of system groups, up to 3 additional groups (including ftp of course). Its set to the usual standard directory /home/test. But what if I wanted to use /home/test as their home directory but login to what would be unknown to them to be ProFTP to make them go in say [URL] or something random like that, how is this done? Just been through things like this:
Quote:
<VirtualHost 192.168.0.255>
ServerName "ftp.mydomain.com"
ServerAdmin "me@localhost"
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But nothing seems to work.
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Jan 25, 2011
How to Nat. I wanted to be able to resolve something like
ftp.myfirstdomain.com to 192.168.0.2
Then ftp.mysecond.com to 192.168.0.3
Just as a random example, I know these cannot be done using name based virtual hosts like in Apache. But I got this working internally using my LAN connection and the 2 IP addresses above, with Bind DNS pointing the dns's to those 2 ip addresses respectively. This worked, yet when I tried connecting from my work place to transfer some files, it kept going to the default user's home directory. Just wanted to get this project finished, 2 domains and one public facing IP address.
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Apr 14, 2011
I'm niomi and I'm the first account with sudo. I add an account, bob. niomi can get in reliably on active mode. (maybe relevant?: passive doesn't work) bob is jailed to his home directory, niomi is in ftp-special which gives her access to /. bob can't log in and his shell is set to bin/false. What could have gone wrong?
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Jan 7, 2011
I want to filter and block failed attempt to access my proftp server. Here are few line from the /var/log/secure file:Quote:
Jan 2 18:38:25 server1 proftpd[17847]: server1.XYZ.com (93.218.93.95[93.218.93.95]) - Maximum login attempts (3) exceeded
Jan 2 18:38:27 server1 proftpd[17864]: server1.XYZ.com (93.218.93.95[93.218.93.95]) -
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Jun 30, 2010
I am currently in a project to set up an LTSP server with 10 thin clients. I am using Ubuntu 9.10 (Karmic).
Installing server and booting clients are working fine. Now, according to the need, I have to restrict user session numbers and allow resuming previous user session.
I have achieved to do the first one, but still could not able to setup the second one. As per requirement, if some thin can have power failure, the same session should be restored back. I am confused here, if I need to focus on saving xsessions or saving gnome sessions. I am looking for a concrete solution as I am running out of time.
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Oct 18, 2010
how to start a process in Ubuntu terminal window that is not killed when the terminal window closes.
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Jun 30, 2011
Is there any program to terminate process automatically if using more than 90% or 100% CPU time for more than 5 seconds? I have a program that opens a web browser, do some stuff on it and close it. But problem is that sometimes that browser starts using 100% CPU
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Jan 15, 2010
I am working in Linux and have connected a normal LED to my serial port (with voltage conversion). I am just trying to make that LED blink periodically using alarm ().So in the signal handling routine of my code,i toggle the LED but then the program quits as SIGALRM terminates the process. Shall i make a nested alarm so that the handling routine also has an alram()? I am stuck and i must confess that i am not so convenient with signal handling so can someone provide some pointers?I thought about using sleep(); but the advantage with alarm is that it waits for the exact number of seconds (when the second turn over from previous to new value) before raising the alarm while i am not sure about sleep taht does that or not.
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Jan 3, 2011
I have two version of PHP installed on my Ubuntu Lucid 10.04 server - the default PHP 5.3.2 that comes with the distribution - and I then compiled PHP 5.2.14 to the /opt/php5.2.14 directory and it runs in Apache via FastCGI mode.The PHP 5.3.2 is working without any problem and it places all session files in the /home/session-data folder - which is set in the PHP.INI file.The PHP 5.2.14 also has the same directive set and it shows via a phpinfo() that it is set correctly:session.save_path=/home/session-dataI have ensured that all session variables/settings are the same between PHP 5.3.2 and PHP 5.2.14 - but the PHP 5.2.14 does not pay attention to the save path and is still placing the session files in the /tmp folder.Checking the session files in the /tmp folder, they are owned by www-data with 600 chmod permission settings (read/write for user, no access for group/others).
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Mar 8, 2010
I want to start applications from an SSH connection, and close the connection, without the applications I've started closing with it.
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Nov 10, 2010
I've been working on this since last night (a few hours) but can't seem to find what I am looking for. I'll spare you the details of what I've tried already.
Could someone guide me through connecting to my Ubuntu server using a remote X session? The "kicker" is that I want to do this from a Knoppix LIVE CD. So whatever method I am given will have to be something that is common to most Linux distros.
I imagine I will need help with two important steps:
1) verifying that I have an xserver of some kind running on my server.
2) command line statement for starting the Xserver from the remote machine.
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Sep 19, 2009
I have installed recently the Fedora 8 in a computer and during installation it was set a static IP with the netmask and gateway. At first it worked well, but after some boots the connection begins to fail. It seems that the network-manager withdraws the static IP and tries
to get connection via DHCP. Below is the /var/log/messages file during the failed connection:
Code:
Sep 19 10:36:53 canario avahi-daemon[1695]: Interface eth0.IPv4 no longer relevant for mDNS.
Sep 19 10:36:53 canario avahi-daemon[1695]: Withdrawing address record for fe80::20d:87ff:fe0c:355f on eth0.
Sep 19 10:36:53 canario NetworkManager: <info> SWITCH: terminating current connection 'Auto Ethernet (eth0)' because it's no longer valid.
Sep 19 10:36:53 canario NetworkManager: <info> Deactivating device eth0.
Sep 19 10:37:07 canario system-config-network[2195]: -+ //etc/modprobe.conf #011eth0 alias sis900 .....
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Feb 17, 2011
Do you know the GNOME Panel applet that is terminating running applications after clicking on them with the cursor and confirming the action with a Yes/No dialogue?I know about xkill, but it is not satisfying due to it has not confirmation dialogue.Instead, I would like to use xprop and kill and zenity
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Feb 16, 2010
I get an error message that says phpMyAdmin - Error, Cannot start session without errors, please check errors given in your PHP and/or webserver log file and configure your PHP installation properly.
So I did some googling and found a post here {URL]... which speaks about resetting the ownership of the session directory. However I am wondering how I can find out what the owner if the directory is (if its root or admin or ...)
It's strange because it all worked fine just about two hours ago and I am not sure since I have the server automatically download security updates if there is something it automatically downloaded that caused this. Also how to make the server stop automatically downloading security updated?
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Mar 27, 2010
I stream my local police station dispatch on the web using an icecast/darkice configuration [URL]. The downside of using this software is that once you initiate darkice, a terminal has to be open - the process does not run in the background.
I tried placing a monitor on my server (ouch, that hurt) and keeping darkice alive that way, but my mail server kicks the process. Now, I set the KeepAlive variable to something outrageous and keep an ssh session open on my desktop box to keep the stream going. Screen does not work as Postfix boots that as well.
keeping the process going indefinately?
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Aug 29, 2011
I have RDP working fine on my machine, however when I am signed in locally to the machine, I get the "console" session, which is fine, but when I want to RDP from another machine, I am put into a separate session, instead of "taking over" the console session.Is there a way to do this, similar to how RDP works on a windows machine?I have tried running the mstsc /console command, but I still get stuck into a non-console session.
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Feb 12, 2010
How do I create a launcher/shortcut on Gnome desktop, which starts a Terminal window and executes a shell script?The script should execute as if I started the script manually, i.e. if I abort the script by pressing CTRL + C, the script should terminate but the terminal window should remain on screen.If I create the shell script launcher/shortcut using the �straight forward �Create Launcher� method�, the terminal window also closes when I hit CTRL + C
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Mar 14, 2010
Currently using Ubuntu9.10 Desktop 64bit. I want to remotely login into this Ubuntu pc Gnome Desktop from my office Windows PC with a separate user and one particular application assigned to this user ID.
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Aug 6, 2010
I was running 8.something on my ubuntu server. Today I decided to upgrade releases! So I started it, all via ssh cos the box is about 800 miles away and it was going just fine. However - I went away from the pc for about a hour, and my ssh session died. On reconnect it starts a new ssh session - and I dont know how to reconnect to the upgrade process and finish it off.
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Dec 1, 2010
I have just installed a version of 32 bits Lucid LTS on a server box. I would like to setup a VNC service so that I will be able to login to the server with VNC viewer and spawn a gnome-session. I ran the following command:
Code:
apt-get install ubuntu-desktop
apt-get install Xvnc xinetd
I was in front of the server and make sure that I can start a gdm locally. Then, I added Xvnc service to xinetd following the guide here: {URL] I was only using a session, and /etc/xinetd.d/Xvnc is as follow:
Code:
service Xvnc
{
type = UNLISTED
disable = no
socket_type = stream
protocol = tcp
wait = yes
user = root
server = /usr/bin/Xvnc .....
After all, I restart gdm by "/etc/init.d/gdm restart". When I try to start a VNC connection from another machine, I can see Xvnc running successfully. But XDMCP does not run properly and I cannot see a traditional ubuntu login screen. I am sure that port 177 UDP is opening by looking at the output of "netstat -anp".
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Mar 11, 2011
how do you configure proftp to log MAC address on LAN, not just IP?
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Mar 31, 2010
I have tried, to set this up, but failed what kind of ftp would you guys recomend, as i have been having slight problems over recent days, with unknowns logging onto my annon ftp server, delt with mind.
I am thinking about a proper login even for the annon account, fairly easy to setup.
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Jul 28, 2010
I am trying to write a bash script to open 1 screen session with multiple windows... each one running a different service. Is this possible? I tried several things, and I can start up multiple sessions really easy.. but not 1 session with multiple windows...
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