Ubuntu :: Get Proftpd To Listen On A Port Other Than 22?

May 23, 2010

I'm running Ubuntu 9.10, and am trying to get proftpd to listen on a port other than 22. I've modified the proftpd.conf file, as well as adding the desired port to my /etc/services file, yet if I try anything other than port 22, the connection is refused.

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Ubuntu Networking :: Error - Remote Port Forwarding Failed For Listen Port 5500

Aug 7, 2010

When I use the following command:

ssh user@ssh_server -L 5500:localhost:5500 -p 22

everything works fine. I can log in, and local port forwarding is done. Otherwise when I use the command:

ssh user@ssh_server -R 5500:localhost:5500 -p 22

I get an error "remote port forwarding failed for listen port 5500". However when I try remote port forwarding in WinXP by use of putty there is no problem...

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General :: Warning: Remote Port Forwarding Failed For Listen Port 7869

Jul 20, 2010

I tried to make "ssh tunneling", but failed and got this message.


Administrator@windstory-PC /
$ ssh -R 7869:localhost:7869 windowsstudy@
windowsstudy@'s password:

Warning: remote port forwarding failed for listen port 7869 Last login: Wed Jul 21 01:56:04 2010 from -bash-3.2$

1. system environment - windows 7 + copssh - centos 5.4 x86 + openssh

2. Guide for setting "ssh tunneling"


3. Added this to sshd.conf


AllowTcpForwarding yes

4. "netstat -na|grep 7869" at


[root:maestro:~]# netstat -na|grep 7869
tcp 0 0* LISTEN


5. result of "ssh -vvv -R 7869:localhost:7869 windowsstudy@"


debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password


6. I added 7869 for telnet service as follow;


mytelnet 7869/tcp # My Telnet server

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Networking :: MULTICAST Address And Port - Socket Listen Only On Port?

Feb 12, 2009

I make an application on GNU/Linux which listening on a MULTICAST stream, so I open my unconnected socket, bind it on a MULTICAST address and a port, join the multicast group with the "setsockopt (IP_ADD_MEMBERSHIP)", then I receive datagram on my socket.

Now I've two different instances of the same application that run with their own MULTICAST address and port. And what I found strange is that, after a misconfiguration, I switch the ports, for example:

Emitting on and
Receiving on and

And my receiving part doesn't care about the MULTICAST address, it looks like the socket is listening on the port number only! I mean that the receiver [] take its datagrams from emitter [] and vice-versa!

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Ubuntu :: X Windows - How To Listen On TCP Port

Feb 6, 2011

It appears that X Windows under Ubuntu (or Gnome?) is started to listen to a Unix named socket, instead of a TCP port number, for client connections. That's what SSH is forwarding when it does X forwarding. I need to start X applications on a remote machine, and then close the SSH connection. So I need to make the connections directly. This is within a LAN on private IPs, so security is not an issue. I searched on help.ubuntu, but there appears to be no particular document that covers this. Anyone know where this is configured to enable it to listen on a TCP port like the usual 6000?

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Software :: What Port Does KVM Listen On

Jan 16, 2011

I just installed KVM on a new system and just found out the hard way that virt-manager cannot be installed on the same machine because of a library conflict, so I will have to manage my VMs from another machine. I will use a SSH tunnel to forward the port, but I don't know what it is. Also, how do I start KVM?

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Ubuntu :: ProFTPD Apps - Illegal Port Command

Dec 22, 2010

I use Ubuntu 10.10 and setup Proftpd apps which I would like to use to access to my files from outside of my SOHO LAN network. This is work on LAN very well but from outside I get some error msg. However I establish connection with my Ubuntu FTP Server machine but I can't get list of files and folders on server.

I get this error msg:
227 Entering Passive Mode 89,216,116,8 243,96 --> i know what this no means: my Stat IP and the port
500 Illegal Port Command
Get Directory
FTP Port Command failed

Some Additional Information:
On the edge of SOHO LAN i use Cisco router for access to the Internet.
NAT is configured, PAT (NAT overload) is configured also.
I forward ports which I needed for FTP: 21 and 20, and passive ports 60000 - 60001.

When I use Windows OS and BUlletProof FTP server (port 21 or some custom port i.e. 65021) I only forward that port (21 or custom port i.e. 65021) and everything works great.

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Ubuntu :: Change VNC Server Listen Port?

Dec 30, 2010

I wish to use the VNC server built in to the Ubuntu to easily access it from other computers on my local network. I need to skew the VNC Server port off of the normal 5900 to something else because I am using VNC to access several computers (sometimes simultaneously) so each VNC server needs to be set with a different port #. At this point it is all local subnet connections with no incoming internet access and I am not worried about security.

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Ubuntu :: Listen To A Serial Port With The Terminal?

Apr 16, 2011

I would like to listen to a virtual serialport (dev/ttyACM0). I heard you can this with the terminal in Linux. But how? Does anyone know some commands?

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Server :: Proftpd 500 Illegal Port Command?

Jan 25, 2011

I set up a FTP server for a client. Running Ubuntu 10.10 server and proftpd. While setting it up, I was able to log into FTP from filezilla from in my office no problems. Now suddenly I cannot access it from inside, but I can still access it like normal from outside my network.I am getting 500 illegal port command when using activeAnd when I use passive, I get fail to retrieve directory.The server is on a DMZ, so ports should not be a problem, and according to our admin nothing has changed within our firewall

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General :: Why Port 80 Won't Listen On Squid

Aug 20, 2009

Can't seem to access my squid server on port 80. I have port 80 allowed in the conf for this IP. apache is listening to port 80 but only on the 2nd IP. iptables is allowing through port 80 incoming nmap shows no ports open on 80 though:


Starting Nmap 5.00 ( http://nmap.org ) at 2009-08-20 11:19 BST
NSE: Loaded 0 scripts for scanning.
Initiating SYN Stealth Scan at 11:19


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General :: How To Find What Program Is Listen On Port 80

Apr 14, 2010

I've killed apache via /etc/init.d/apache2 stop, but something is still listening on port 80:


root@www:/etc/apache2/sites-enabled# netstat -an | grep LISTEN | grep 80
tcp 0 0* LISTEN
tcp 0 0* LISTEN
unix 2 [ ACC ] STREAM LISTENING 5806 /var/run/mysqld/mysqld.sock

How do I find out that program this is?, or how to I stop it listening?

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Networking :: Accomplish Is Have Postfix Listen On Port 587?

Jan 30, 2010

I tried searching and tried different things and have failed miserably. What I am trying to accomplish is have postfix listen on port 587. I have read that I should do this using Linux Firewall rules as to not mess with postfix config. Here's what I have in my ip6tables.

iptables -t nat -A PREROUTING -p tcp --dport 587 -j REDIRECT --to-ports 25 However, when I restart ip6tables I get unknown arg --to-ports

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Ubuntu Servers :: Make Server Listen At Different Port For HTTP?

Apr 6, 2010

How can I set my server to listen at a different port for http access. I would like to use port 8080 (to circumnavigate isp blocks). Also can I do the same thing for sftp connections?

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Fedora Networking :: Apache Listen To Assigned Port 80

Aug 29, 2010

On Fedora 13 is there anywhere else on the system that I have to change to get Apache to Listen to an assigned port, something other than 80. Suppose for instance I wanted Apache to Listen on port 94. I told by the site that their router is forwarding apache to port 94. That doesn't mean I change the Listen in httpd.conf. correct. Apache is still expecting connection on port 80 but in this case 80 then gets forwarded in the router to 94. This is my understanding.

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CentOS 5 Server :: Configure Maia Mail Guard To Listen On Port 443?

Mar 1, 2010

I was just wondering what I have to edit in order to get Maia Mailguard to listen on port 443 instead of port 80

right now I am logging on with [URL] but I would like to connect to [URL]

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OpenSUSE Network :: Listen To Music In Grooveshark Grooveshark - Listen To Free Music Online?

Feb 21, 2010

I'm using OpenSuse 11.2 64 bits When I try to listen to music in Grooveshark Grooveshark - Listen to Free Music Online - Internet Radio - Free MP3 Streaming I can listen fine, and it seems to work ok, when suddenly the sound of the website stops to work, my processor gets overload and I've to reopen the site to continue to listen. I get the following message in kernel (I'm no sure if it's related)

[ 3402.591674] ide-cd driver 5.00
[ 3402.622010] ide-gd driver 1.18
[ 3402.691580] st: Version 20081215, fixed bufsize 32768, s/g segs 256
[ 3404.308048] end_request: I/O error, dev fd0, sector 0
Some Hardware Info:


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Fedora Networking :: Port Redirect, I.e. Whatever Comes Through Whatever Interface On Port AAAA Will Get Redirected To Port BBBB?

Feb 18, 2010

I want to do a simple port redirect, i.e. whatever comes trough whatever interface on port AAAA will get redirected to port BBBBI thought that iptables -t nat -I PREROUTING --source 0/0 --destination 0/0 -p tcp --dport AAAA -j REDIRECT --to-ports BBBBhowever it doesn't work, e.g. nc -v -w2 -z localhost AAAA gives:

nc: connect to localhost port AAAA (tcp) failed: Connection refused
nc -v -w2 -z localhost BBBB


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Server :: Postfix Port - Send Message Via Port 587 Not Port 25

May 2, 2010

I have a mail server i need it to send message via port 587 not port 25, i make some changes to my postfix server which i use and it is already successed making a telnet to 587 port like it :


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Ubuntu Installation :: How To Set ProFTPD In 10.04

May 18, 2011

I have installed ProFTPD in Ubuntu 10.04 in a Cloud Server (console only) but I am not being able to set users and access via FileZilla.

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Ubuntu Servers :: ProFTPd Will Not List

May 25, 2010

I have set up proftpd many times now one Ubuntu 9.10 and never ran into any problems. I decided to go ahead and do a clean install of the new 10.04 and set everything back up (ie ssh ftp apache... ect)I got done with ssh with no problems and started working on getting proftpd up and running just like I've always have. But now every time I try to login it gets to where it should list all the files in my dir and it just times out. If I connect through my network ( everything works fine so I dont think its my .conf file.ll ports are open that are needed and I even tried opening up the passive ports to see if that would help but it does not.

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Ubuntu :: Can't Activate FTP In Gadmin-proftpd?

Jun 30, 2010

Whenever I try to click Activate it just sits there for a moment and stays deactivated..

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Ubuntu :: How To Install Gadmin-Proftpd-0.4.0

Jul 25, 2010

I want to set up a ftp site for a few buddies to grab some files from me but I have no clue how to install this gadmin-proftpd-0.4.0. It shows a gui so how do I get that I am currently running ubuntu 10.04 w 3gb ram w a amd 9850 2.5ghz cpu on my server.

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Ubuntu :: What Does Beam.smp Listen For

Feb 21, 2010

what does beam.smp listen for? says that beam.smp is listening, I was wondering why this process needs to listen?

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Ubuntu :: Proftpd Folder Permission - Upload ?

Apr 17, 2010

Im trying to change permissions so i can upload to my proftp server. i can download ok but i want to access most folders via ftp so i can upload to them, at the moment i get permission denied message.

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Ubuntu :: Give Access To Proftpd Vusers (usb-hdd's)

Sep 10, 2010

i am using proftpd-mod-sql on ubuntu 10.04lts and i am trying to give the ftp users access to my external usb hdd's because the internal drive is too small.
I am using vusers in a sql db. They are associated to the ftpuser and ftpgroup. My drives are mounted to /media/... and belong to my user and group. The rights are set to 0700. So my ftp users have no access to it and i cannot change it. I could change the vusers uid/guid to my username but i think, that is not a good solution.
I would like to have access to the usb drives with the ftp users and with my ordinary username (for xbmc and samba access).

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Ubuntu :: Gadmin-Proftpd Setup And Activation

Oct 1, 2010

I'm running Ubuntu 10.4 Lucid Lynx and I am setting up gadmin-Proftpd and when I try and activate it. I get the following message and am really unsure where to go from here:

- notice: unable to bind to Unix domain socket at '/var/run/proftpd/test.sock': No such file or directory
- notice: unable to listen to local socket: Operation not permitted
- Fatal: TLSRSACertificateFile: '/etc/gadmin-proftpd/certs/cert.pem' does not exist on line 56 of '/etc/proftpd/proftpd.conf'

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Ubuntu :: Couldn't Get GADMIN-PROFTPD To Activate

Oct 29, 2010

I couldn't get GADMIN-PROFTPD to activate so I activated it using sudo /etc/init.d/proftpd start Now when I have proftpd started from the terminal command line and go to [URL] in firefox I get a white browser window but no directory listings without any promtp for a username or password ( being my internal LAN server IP address) Can you tell me what I am doing wrong with the below config?


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Ubuntu Servers :: Corrupted Files With ProFTPd?

Apr 23, 2011

I'm having problems with the ftp-server ProFTPd,If I transfer files from a Linux host to a Windows client, it says that my transfered files are damaged, so I'm unable to open them..I've searched this forum and several people say I have to set the default transfer mode to 'binary' mode.I did that, but it didn't work at all for me... so despite the binary transfer mode my files are still damaged when I transfer them.when I do it through SSH, it works fine, so the problem is the FTP-server...

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Ubuntu :: Can't Listen To Internet Radio

Jul 24, 2010

I went on radio's web site to listen to it when i hit the link to listen to i get an error saying i don't have the required plugin and an option to search. I searched and i got this message

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