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Josef Karliak | 6 Dec 11:37
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Zebedee and two differend tunnels.

   Hi there,
   I'm tunneling telnet thru zebedee tunnel, I need now another  
tunelling for MSSQL (that uses udp) and target is different too. I  
made some configs (port, target, ...) changes into a different config  
files (client and server of course), in init startup scipts changed  
names of config and "/var/lock/subsys/zebedee2". But : when I start  
second tunnel, first telnet tunnel is down, both port of the  
"serverport" are avaible, so sockets of zebedees are open.
   So where I made a mistake ?
   Thanks and best regards
   J.K.

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Pierre ARTAUD | 23 Jun 10:11
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[PRIVATE] reserve tunnel for zebedee

Hello everyone,
I would have just one question: is it possible to reverse a tunnel (as 
ssh) ?
To have a communication between server to client for user ?
Thanks greetings.
Pierre.

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eric.hand | 21 Apr 17:59
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windows server 2008 RC2 64bit

Anyone been successful running Zebedee on this platform? I’m using the 32bit pre-compiled version.(last stable ver)

I’m able to run it with a simple ‘zebedee.exe localhost’, but I’m unable to pass in a .zbd config file like we did in 2003(32bit) with a –f parameter.

It says that it cannot open the config file (doesn’t exist). It definitely does. I’ve tried giving fully qualified paths, with and without quotes, running from the same directory.. everything. Nada. I figure there are probably some tricks to getting it to work on this platform. Any help would be appreciated. The user running the Zebedee.exe certainly does have access to the folder containing the .zbd config file. I checked on that.

 

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Namikaze Minato | 14 Mar 20:05
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"Client to remote host" connection with UDP tunneling through intermediate host

Hello everybody.

My question will perhaps seem trivial to answer, and I hope it will,
but please take a few minutes to help me if you can.

I am trying to connect to a remote host (named "endhost") I cannot
access except going through a proxy, and that proxy prevents me to use
the ports I need (UDP 5000 - 5200).

I used to make a ssh SOCKS tunneling to an intermediate host (named
"intermediate") using putty+proxifier to redirect everything my
computer (named "client") sent to the "intermediate" host, which
allowed me to bypass the proxy.
I am now trying to do the same with zebedee because the game I want to
connect through that proxy uses UDP ports 5000 to 5200 and ssh
tunneling can't work on UDP Datagrams. I guess that if a TCP
connection can reach the host "endhost", an UDP datagram will too.
This is why I tried to create a TCP tunnel from "client" to
"intermediate", in order to reach "endhost".

What I tried is following :

Client-side :
	zebedee.exe  -o clientlog -U 1080:intermediate:1080
	proxifier configured as following :
		don't process zebedee
		proxy : 127.0.0.1:1080
Intermediate-side : ./zebedee -U -s -o serverlog

I then fired a navigator on the client, which was not able to grasp
google, and here are he logs :

server-side log is :
zebedee(31841/86672):  waiting for connection on port 11965
zebedee(31841/86672):  accepted connection from 192.168.68.158
zebedee(31841/86672):  waiting for connection on port 11965
zebedee(31841/83280): ERROR: failed connecting to port 1080 on
127.0.0.1: (Connection refused)
zebedee(31841/83280): ERROR: initial protocol exchange failed

client-side log is :
zebedee(4936/3832):  Listening on local port 1080
zebedee(4936/3832):  Listening on local port 1080
zebedee(4936/3832):  listening for client UDP data
zebedee(4936/3832):  accepted connection from 127.0.0.1
zebedee(4936/3936): ERROR: server refused request for redirection to
lunix121.ensiie.fr:1080

I guess I'm doing something wrong, so if you can help me, please do so.
I'm ready to answer any question that can help solve my problem.

Thank you for reading.
LLoyd

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Josef Karliak | 22 Jun 11:33
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zebedeee server with 2 IPs

   Hi guys,
   my zebedee server will have 2 IP (main and redundant internet  
connections). Is there possible to define zebedee client 2  
"serverhost" ?
   Thanks.
   J.Karliak.

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Jorrit Tyberghein | 8 Feb 12:47
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Re: How to set up zebedee for playing to a UDP game server

On Mon, Feb 8, 2010 at 11:50 AM, Gerard Bulger
<gerard@...> wrote:
> Easier solution is to use Hamachi and set up  VPN.

Doesn't that require another windows computer on which I can run the
game client?
I don't have such a computer where I can connect too. I only have the
intermediate server
(which is linux).

Also not sure if VNC supports 3D acceleration? The game requires that.

> So if you need to connect to a machine which is behind a firewall then you
> have to use it in reverse, listen mode.

In my case the firewall is on my end. So I need to connect FROM a machine
that is behind a firewall.

But thanks for the advice in any case.

Greetings,

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Jorrit Tyberghein | 5 Feb 13:11
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How to set up zebedee for playing to a UDP game server

Hi all,

I have a question about how to set up zedebee. I'm rather bad with
networking stuff
so things like forwarding and so on are all very unknown to me. Basically I have
the following situation:

- I have a game server at address 'laanx.fragnetics.com' on port 7777
with UDP protocol.
- I have a shell server at address 'www.crystalspace3d.org' for which
I have SSH access.
- I have a local windows Vista computer.

zebedee is installed on the Windows machine and on the Crystal Space
shell server.
On the Windows machine I also have putty which can do the ssh
tunneling if that would
be needed.

The windows machine is also behind a firewall but that I can get
through that using socks4.

Given all the information above how can I set it up so that my game
client can find the
server through UDP? I tried several things but couldn't get it working.

Greetings and thanks in advance,

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Lee Meng | 2 Nov 02:59
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Re: maxbufsize

The default maxbufsize is 8192 bytes. Thanks Tom and Tim for the
reminder. I haven't had Zebedee crash, but I have been experiencing
occasional disconnects. My maxbufsize is set to 16383 (probably copied
from another template). I'm going to try 8192 or less.

>From the v2.5.3 documentation:

maxbufsize

    This specifies the size, in bytes, of the buffer Zebedee will use
to read data from applications. The actual size of buffer used will be
the minimum of the client’s and server’s values.

    By default Zebedee attempts to read data from the client or server
programs at each end of the tunnel in chunks of 8192 bytes. There may
be occasions when you want to decrease this if, for example, you have
a highly interactive application and the response seems sluggish
because you end up waiting for large data transfers. You can reduce
the buffer size to one byte, but unless you are trying to debug
misbehaviour or have time to waste I don’t recommend it! Conversely,
you may increase the buffer size up to a maximum of 16383 bytes to
attempt to gain the most from data compression where large blocks of
data are being transferred. Note that the maxbufsize value does not
affect how much memory is allocated by Zebedee, only the size of data
chunks read.

    When running in UDP mode this buffer size will also affect the
maximum size of any datagram that can be handled. Datagrams larger
than the current buffer size will be fragmented, which will likely
cause whatever application is consuming them to fail. Datagrams larger
than 16383 bytes can not be handled at all.

- Lemming

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sutherstwo | 26 Oct 06:43
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Crash operating through proxy server


Hi All,
This is my first attempt at using Zebedee so please excuse if I have done done
something silly.
I am attempting to set up a VNC tunnel through an M$ ISA Proxy Server.  The
proxy uses per-connection NTLM Authentication.  To get around the
authentication issue I am running the very handy python authentication script
NTLMAPS, which make the proxy appear to connecting apps like it does not use
authentication.
So my connection sequence is

VNC Client -> Zebedee Client -> NTLMAPS -> LAN -> ISA Proxy -> Internet ->
Zebedee Server -> VNC Server

When I attempt to make the connection Zebedee crashes.  This is the log file of
the client at Verbosity 5 (as much as it can log before it crashes).  It's
running in a WinXP SP3 box.

+++++++++++++++++
zebedee(2704/3428):     line 9:
zebedee(2704/3428):     line 10: server false	             # It's a client
zebedee(2704/3428):     key = 'server', value = 'false'
zebedee(2704/3428):     line 11: detached false	             # stay on console
window (at this stage anyway)
zebedee(2704/3428):     key = 'detached', value = 'false'
zebedee(2704/3428):     line 12: listenip 127.0.0.1           # forbid
connection from other machines
zebedee(2704/3428):     key = 'listenip', value = '127.0.0.1'
zebedee(2704/3428):     line 13: serverhost suthers.no-ip.org # home dynamic IP
address
zebedee(2704/3428):     key = 'serverhost', value = 'suthers.no-ip.org'
zebedee(2704/3428):     line 14: tunnel 5900:*:5900           # take local port
5900 & tunnel to remote machine 5900
zebedee(2704/3428):     key = 'tunnel', value = '5900:*:5900'
zebedee(2704/3428):     line 15: serverport 443               # use the https
port for the tunnelled connection
zebedee(2704/3428):     key = 'serverport', value = '443'
zebedee(2704/3428):     line 16: httpproxy 127.0.0.1:8080     # spec of our ISA
server - ACTUALLY the port of NTLMAPS, which is handling the proxy
authentication
zebedee(2704/3428):     key = 'httpproxy', value = '127.0.0.1:8080'
zebedee(2704/3428):     line 17:
zebedee(2704/3428):     line 18:
zebedee(2704/3428):     line 19:
zebedee(2704/3428):     line 20: message "THIS IS A CLIENT!!!!!!"
zebedee(2704/3428):     key = 'message', value = 'THIS IS A CLIENT!!!!!!'
zebedee(2704/3428):  THIS IS A CLIENT!!!!!!
zebedee(2704/3428):     line 21:
zebedee(2704/3428):     line 22: # On Windows systems you might use the
following:
zebedee(2704/3428):     line 23:
zebedee(2704/3428):     line 24: # command '"c:\Program
Files\ORL\VNC\vncviewer.exe" localhost:%d'
zebedee(2704/3428):     line 25:
zebedee(2704/3428):     line 26: # On UNIX systems you might use the following:
zebedee(2704/3428):     line 27:
zebedee(2704/3428):     line 28: # command 'vncviewer localhost:%d'
zebedee(2704/3428):     line 29:
zebedee(2704/3428):     line 30: compression zlib:6	# Request normal Zlib
compression
zebedee(2704/3428):     key = 'compression', value = 'zlib:6'
zebedee(2704/3428):    client listener routine entered
zebedee(2704/3428):    creating TCP-mode local listener socket for port 5900
zebedee(2704/3428):      listening on 127.0.0.1
zebedee(2704/3428):      local port 5900 has socket 132
zebedee(2704/3428):  Listening on local port 5900
zebedee(2704/3428):  waiting for client connection
zebedee(2704/3428):    select returned 1
zebedee(2704/3428):      connection ready on socket 132
zebedee(2704/3428):  accepted connection from 127.0.0.1
zebedee(2704/3428):     spawning handler function thread
zebedee(2704/3428):     handler thread created
zebedee(2704/3428):  waiting for client connection
zebedee(2704/1420):    client routine entered
zebedee(2704/1420):    client on local port 5900 tunnels to target
suthers.no-ip.org:5900
zebedee(2704/1420):     target address is 2031302c
zebedee(2704/1420):    making connection to suthers.no-ip.org:443
zebedee(2704/1420):     connecting to suthers.no-ip.org:443 via proxy
127.0.0.1:8080
zebedee(2704/1420):      connected to proxy
zebedee(2704/1420):      written connect string
zebedee(2704/1420):      read 111 bytes from proxy: HTTP/1.1 200 Connection
established

Via: 1.1 SJC-IS1

Connection: Keep-Alive

Proxy-Connection: Keep-Alive
+++++++++++++++++++++++++++

I realise my situation is very complex, but if someone has some suggestions as
to where to start troubleshooting would be most helpful.

I have successfully set up a tunnel & VNC'd between 2 machines within the LAN
just to make sure I have the settings correct for VNC to be talking to both
ends of the tunnel.

It would be good to eliminate NTLMAPS for simplicity.  Has anyone got Zebedee
operating through a proxy that required per-connection authentication?  From my
reading of the documentation it doesn't support that.

Shalom

Bill

PS
   If anyone's wondering I am not doing this without the knowledge of the sys
admin of the proxy.  He doesn't want to open ports for VNC directly for various
reasons, but is OK with this approach provided I can get the connection
authentication operating.

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Drew Crawford | 20 Aug 07:40

OSX keygencommand bug

Hey Zebedee guys,

Your software rocks.  I'm putting together a campus-wide darknet based on a fork of zebedee, so thanks for everything.

I've had some trouble with the runKeyGenCommand on OSX.  Specifically, it always returns null.

Specifically, this line:

if (sscanf(buf, "%[0-9a-fA-F]", result) != 1 ||

isn't finding a match.  I'm no C expert, but I'm fairly confident that "%[0-9a-fA-F]" isn't standards-compliant.

Replacing it with the much more boring

    if (sscanf(buf, "%s", result) != 1 ||


did the trick.

Thanks,

Drew
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E.D. Epperson | 11 Jul 19:58
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trying to target multiple host? can it be done?

I've been using Zebedee for a number of years for both FirebirdSql and WinVNC.  I'm using 2.41.
 
Now I need to set up an additional host for a WinVNC connection so that a different person in our office can tunnel directly into their machine.  But I cant get it to work.  (I hope it can be done)
 
here is my client.zbd file
 
verbosity 2  # Basic messages only
server false  # It's a client
detached true  # Detach from terminal
compression bzip2:1 # Allow maximum  compression
logfile   C:\ZeBeDee\Client.log
timestamplog  true
tunnel 5900:192.168.1.65:5898
include c:\zebedee\Keys\Stephanie.key
(note: when I set the tunnel to 5900:192.168.1.65:5900, it works, but goes to the wrong machine for this client)
 
here is the significant portion of client error log:
ZeBeDee(3600/3036): 2009-07-11-13:42:00:   reading config file 'c:\zebedee\Keys\Stephanie.key' at level 2
ZeBeDee(3600/3036): 2009-07-11-13:42:00:  Listening on local port 5900
ZeBeDee(3600/3036): 2009-07-11-13:42:00:  waiting for client connection
ZeBeDee(3600/3036): 2009-07-11-13:42:12:  accepted connection from 127.0.0.1
ZeBeDee(3600/3036): 2009-07-11-13:42:12:  waiting for client connection
ZeBeDee(3600/3392): 2009-07-11-13:42:12: ERROR: server refused request for redirection to 192.168.1.65:5898
here is the server.zbd file:
verbosity 2 # Slightly more than basic messages
detached true # free from console
server true # Yes, it's a server!
ipmode tcp # Operate only tcp
tcptimeout 600
logfile         c:\zebedee\zebedee.log
timestamplog true
compression bzip2:1 # Allow maximum zlib compression
keylength 256  # Allow keys up to 256 bits
keylifetime 36000 # Shared keys last 10 hours
maxbufsize 16383 # Allow maximum possible buffer size
keygenlevel 2  # Generate maximum strength private keys
checkidfile   c:\zebedee\IDs\keys.id

#redirect 3050:192.168.1.60:3050 #Firebird port
#redirect 5900-5901:192.168.1.69:5898 #UltraVNC to Stephanies
#redirect 5900-5901:192.168.1.60:5900-5901 #UltraVNC
#target 192.168.1.60
#redirect 3050,5898,5900,5901
target 192.168.1.60:3050
target 192.168.1.69:5898
target 192.168.1.60:5900
target 192.168.1.60:5901
(as you can see, I've been fiddling with this, trying different option to get it to work)
 
and here is the significant part of the server log:
zebedee(2960/2720): 2009-07-11-13:41:33: ERROR: failed to detach from console (Win32 error = 87)
zebedee(2960/2720): 2009-07-11-13:41:33:  waiting for connection on port 11965
zebedee(2960/2720): 2009-07-11-13:42:11:  accepted connection from 192.168.1.101
zebedee(2960/2720): 2009-07-11-13:42:11:  waiting for connection on port 11965
zebedee(2960/1520): 2009-07-11-13:42:11: ERROR: client requested redirection to a disallowed target (192.168.1.60:5898/tcp)
zebedee(2960/1520): 2009-07-11-13:42:11: ERROR: initial protocol exchange failed
 I'll be out of the office till Monday.  I appreciate any help given and will respond then if more information is needed.
 
Thanks
E. D. Epperson Jr.
 
 
 
 
 
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