Connecting to non-secure listener port over TCPS
Hi,
I am trying to connect to non-SSL port over TCPS.
When I use tnsping, it hangs.
When I do an OCIServerAttach, it hangs.
Client is 10.2
And Database server is 9.2 and higher..
Any way I can find out why this is happening??
-Harsha
Maybe I'm not getting the point, but when you do not use SSL on this port, why do you want to use TCPS. Wouldn't TPC be a better choice?
cu
Andreas
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I've noticed that JRE would not use the proxy settings if the application tries to connect to a web address on a non standard http port. If port 80, 443, 8080 etc is used, the proxy is used but if it's something like 32938 it's not. Is there anyway to disable this behaviour and just have the proxy used for all HTTP traffic, regardless of destination port. Below a trace snippet that shows the behaviour.
guistyle/1049 (signed jarfile)
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I still get the same error:
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Hi,
When I activate SSL on port 8002 (SSL Listen Port Enabled) for my soa_server in weblogic console, JDeveloper fails to connect to the server when deploying.
Soa server lookup takes a long time an ends in an error failed to connect to <server>:8002
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Hi ,
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> Is it possible for PI to connec to non standard ftp port to pick files using ftp adapter??
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Obviously an expired/self signed SSL cert over HTTPS is no more dangerous than no encryption at all over HTTP.
The Untrusted Connection dialog is a usability nusance, particularly for those of us who understand HTTPS.Check out:
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Why does NM make my Gmail connect on non-secure?
Hi
just wondering why this is?
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Go to Solution.It would seem (after a discussion with Nokia care) that my concerns of security are unfounded.
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I assume my phone must authenticate to Nokia when its online so as they know to push it up to me.
So to test this I put in a "lalala" password into my gmail account settings on the phone, restarted it to see if it would connect
It did
This at least allays my fears that password was being passed around in the clear. If it were connecting to Gmail with my phone based credentials it would not be able to connect with 'lalalala'
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Connecting to labview over TCP/IP port
I have got an undocumented project to maintain, it has a Java UI code, which connects with some component of LABVIEW over
TCP/IP Port = 1234
and over this port it sends commands for clear, get, set
I need links for understanding the component from LABVIEW which is been accessed over port 1234
I have installed LABVIEW Run time 2013, and do not know which PROCESS the Java code is trying to connect over TCP/IP, and I do not see any of the RT processes binding to port 1234.
Any pointers/links would certainly help me!
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-VikrantCan you define what you mean by "component of LabVIEW"?
The LabVIEW runtime engine is just a required component to run any custom build LabVIEW executable or dll. So, what is it?
You also mention RT processes. Does this run on an RT system? What is running where? If you are connecting to a remove LabVIEW RT system that runs a service on port 1234, you don't need LabVIEW or a run time engine at all on the local side.
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How to send joystick data over TCP connection
Hi all,
I am a long time Labview discussion forum user for learning, but this is my first time posting a question, I hope somebody can help me!
In the attached VI I am trying to send data from a joystick over a TCP connection. I can send data fine using the TCP examples (in fact the majority of my VI is just a copy of the example). However I am to the point where I do not know how to send all the data necessary (3 axis data, 12 buttons, and the POV data) over TCP. Strings, clusters, and arrays were never my strong suite and converting between them is a nightmare for me.
Basically I am trying to send each axis data (X,Y, and Z), button data (12 buttons), and POV data (the POV data will be calculated to adjust the position of a camera, so the immediate data is not important, I will add functions to add the change in the button movements to write a standing position for two servos [pan and tilt], for which that I will need to send over the TCP connection) over the TCP connection to control various cameras and motors. I don't know if it is posible to send that much data over a TCP connection in one write VI through a string, and also how to separate the string on the other side in order to control the client VI.
Again, the actual TCP communication I get, and can operate fine, just formatting all the data into a string (or whatever is required) so that I can unpack on the other side is the issue here.
Another question I have (not impotant to get the program running just might make it easier on me) is can a TCP server (which sends the data to the client) also recieve data back from the client on the same port ( for example sensor data and digital positions [on,off])? Or do I need to set up two TCP communication loops with the first client acting as the server on a different port than the first, which then sends the data to the original server, which also has a client TCP configuration in another loop? I hope this makes sense...
One final question.....I already have a solution to this but using labview for the entirety of this project would be nice. I use skype to stream 1080p video from a webcam to my computer so I can view live feed. Can labview do this? This would be awesome if so, I am just not sure if the communication protocols in use could support real time (or as close as possible to streaming) for 1080p video.
Thanks all in advance for your help,
Physicsnole
Attachments:
cameraserver.vi 24 KB
cameraclient.vi 18 KBPhysicsnole wrote:
In the attached VI I am trying to send data from a joystick over a TCP connection. I can send data fine using the TCP examples (in fact the majority of my VI is just a copy of the example). However I am to the point where I do not know how to send all the data necessary (3 axis data, 12 buttons, and the POV data) over TCP. Strings, clusters, and arrays were never my strong suite and converting between them is a nightmare for me.
Well, you cast the axis info cluster to a string, but then you cast it back to an array of DBL. Thatr's not compatible. You should probably cast it back to an "axis info" cluster of exactly the same type. Go the the other VI and right-click the cluster wire to create a constant. Now move that diagram cluster constant to the other VI and use it as type.
Your default ports don't seem to match. You seem to have client and server roles confused. In the sever you create a listener, but then you start sending packets, even though no connection is established. The connection needs to be initiated by the client.
Your client stops the loop the first time a timeout is encountered. Shouldn't that be more permanent? Also, please retain code clarity and avoid unecessary complexities. For example, replace the "not or" with a plain "or" and change the loop to "stop if true"
Physicsnole wrote:
Basically I am trying to send each axis data (X,Y, and Z), button data (12 buttons), and POV data (the POV data will be calculated to adjust the position of a camera, so the immediate data is not important, I will add functions to add the change in the button movements to write a standing position for two servos [pan and tilt], for which that I will need to send over the TCP connection) over the TCP connection to control various cameras and motors. I don't know if it is posible to send that much data over a TCP connection in one write VI through a string, and also how to separate the string on the other side in order to control the client VI.
You can send as much as you want. The casting to/from string is the same as described above.
Physicsnole wrote:
Another question I have (not impotant to get the program running just might make it easier on me) is can a TCP server (which sends the data to the client) also recieve data back from the client on the same port ( for example sensor data and digital positions [on,off])? Or do I need to set up two TCP communication loops with the first client acting as the server on a different port than the first, which then sends the data to the original server, which also has a client TCP configuration in another loop? I hope this makes sense..
The primary function of a "server" is to wait for a connection and then communicate with the client once a conenction is established. An established TCP/IP connection is fully two-way and both sides can send and receive.
LabVIEW Champion . Do more with less code and in less time . -
SSL Connection over TCP using SSLSocketFactory to remote C++ Server
Hi.
Despite my traversing through the archives, I could not find a
solution to my problem. So hopefully, that would mean i have a simple
isolated, and FIXABLE problem :-)
My web application running under Weblogic 7.01 as a servlet needs to
connect to a remote server using SSL over tcp.
The server is a C++ app using openssl libraries to serve up a
self-signed certificate.
The code fragments to do so look like this:
SSLSocketFactory sf =
(SSLSocketFactory)SSLSocketFactory.getDefault();
connection = sf.createSocket(host, port);
output.write(...)
output.flush();
Upon the flush, I get the following error:
java.io.IOException: Write Channel Closed, possible SSL handshaking or
trust failure
at com.certicom.tls.record.WriteHandler.write(Unknown Source)
at com.certicom.tls.interfaceimpl.TLSConnectionImpl.fireAlertSent(Unknown
Source)
at com.certicom.tls.record.handshake.HandshakeHandler.fireAlert(Unknown
Source)
at com.certicom.tls.record.handshake.HandshakeHandler.fireAlert(Unknown
Source)
at com.certicom.tls.record.handshake.HandshakeHandler.handleHandshakeMessage(Unknown
Source)
at com.certicom.tls.record.handshake.HandshakeHandler.handleHandshakeMessages(Unknown
Source)
at com.certicom.tls.record.ReadHandler.interpretContent(Unknown
Source)
at com.certicom.tls.record.ReadHandler.readRecord(Unknown Source)
at com.certicom.tls.record.ReadHandler.readUntilHandshakeComplete(Unknown
Source)
at com.certicom.tls.interfaceimpl.TLSConnectionImpl.completeHandshake(Unknown
Source)
at com.certicom.tls.record.WriteHandler.write(Unknown Source)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:67)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:125)
at java.io.DataOutputStream.flush(DataOutputStream.java:99)
My guess is that its complaining about not trusting the certificate
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I typically use JSSE for this application when running within other
appservers, and
this application has no problems. But because i've run into issues
with using JSSE in WL7.01 (another topic
for another day), I'm using the default WL ssl library.
I have set weblogic.security.SSL.trustedCAKeyStore=d:\bea\weblogic700\server\lib\cacerts,
and imported my
certificate into that cacerts file. This doesn't seem to fix my
problem. Is there another truststore
that my webapp may rely on? Where within the admin console can I
figure this out?
Or am I on the wrong track here?
Also, if its any clue, elsewhere within the same application, I make
https requests to another
web app running under the same weblogic server - and that is fine - I
use the URLConnection class in those cases.
Any help is much appreciated!
Thanks
EdHi,
Can you show us the stacktrace?
/Kaj -
Excessive Port 80 TCP Connections? How many connections are normal?
Hi. I'm running MacOS X 10.3.9 on a Mac Powerbook (with all of Apple's latest Security Updates installed. It is a virgin installation and no other software programs have been installed). I then installed Norton Personal Firewall 3.0.2 in order to monitor all my ports.
By default, Norton Personal Firewall (NPF) is not set to log the number of outgoing connections for port 80, although port 80 is the port typically used by most web browsers to contact other sites on the web. If you disable port 80, then your browser will not be able to function or access the web. Therefore it is mandatory that you leave that port open. But what if some unknown hacker wrote a Trojan program to specifically ferry information out of your computer and back to him using that port, then there'd be no way to stop it once the Trojan was in place. If you disabled the port to prevent it, then you'd also disable yourself from the web. If you opened the port for your browser, then the trojan would have free and open access. At least that is the theory that has me wondering about the seemingly high number of outgoing port 80 connections displayed in my NPF logging window. Therefore, I'd very much like to find out if other users who are running a version of Panther with NPF are experiencing the same high connections behavior on port 80.
To create the scenario for this behavior, basically you just open your NPF panel and enable all logging for port 80 (by default it is disabled). For those of you who don't specifically know how to do this, the following is the directions . . .
. . . Open your NPF Service Settings pane. From this pane, highlight the service called Web Sharing Port 80. Click the Edit button at the bottom of the selection window. A new pane will then show the controls named Ports, Logging, and Notification. Bring forward the Logging controls and enable both checkboxes for Allowed and Denied for the Outgoing direction. Click Save and close the window.
Once the above is done, close all other windows and open your NPF Logging window on your desktop and keep it visible for you to look at. Clear all existing entries in the log so you'll start with a clean slate. With everything set up and a web connection available, open your Safari browser (or any browser) to an online web site. On my computer, my Safari bowser is set to open to Apple's website - www.apple.com. Once the browser is open, Apple's website is then displayed.
The result . . . surprisingly, after only a few seconds, a HUGE number of port 80 TCP connections to that website address start to show up and flow into my log. In a matter of only 3 or 4 seconds, at least 250 separate TCP connection entries will show up in my log, and they all have the same web address. If I then click on anything on the page or surf to any other website, the log entries will change to the new site address and start up again, and in some cases, in a matter of less than a minute the number of entries can easily reach into the thousands. I've seen 20,000 entries or more flow into my log after a couple of minutes. And the only way to stop the madness and the entries is to disconnect from the web. Those many entries and this behavior does not seem normal to me, no matter what port is selected and no matter what log settings are enabled. A dozen to 15 or 20 entries for a given site I can understand (I've been told some browsers can open at least 10 connections at a time), but hundreds to thousands, I cannot. I can't understand why any program under any circumstance would need to generate those many log entries in such a short time frame. My problem is I have nothing to compare this data to, I only have my suspicions and have no way of knowing whether this behavior is normal or not. So I am asking for others to make a comparison on their computer if you are running any version of Panther and Norton Personal Firewall and give me your results so I can determine what is normal or not. I've heard of certain hacker attacks called TCP flooding and other forms of attacks, and I don't want my computer to have been secretly taken over by a hacker or the initiator of such attacks unknowingly. Furthermore, this is not anything an average user would even normally notice, simply because Port 80 logging is not usually enabled in NPF. Nevertheless, I need to find out the root of this problem and learn whether this is normal. Other than these high number of connection entries, my web surfing seems normal and I haven't yet experienced any seeming sluggishness accessing sites. Any help anyone can offer I would appreciate. Thanks to everyone in advance.
Here are some images of my own settings and results:
http://homepage.mac.com/starshone/misc/Port80Settings.jpg
http://homepage.mac.com/starshone/misc/Port80Log.jpg
Mac OS X (10.3.9)But all those connections are how the web works. Each HTML page has dozens or more links. Each graphic or other page element is a new HTTP request on port 80 back to the originating server (or another server even). So it's normal to have a lot of port 80 connections going out if you surf the web.
You can see the individual elements that make up a page in Safari by going to the "Window" menu and showing the "Activity" window. I see CNN's web site tonight has 113 items on its home page. Apple's is 41. My home page is 10. So it's easy to get a lot of connections.
Some applications also use port 80 to check for updates, so you might see the occasional port 80 connection even when you're not surfing the web. These are also nothing to worry about.
charlie -
RDP listening port needs to be changed on one client PC - can't connect via Anywhere Access
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The TCP/IP connection to the host localhost, port 1433 has failed.
Hi, im using sql server 2000,
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Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
String url = "jdbc:sqlserver://localhost:1433;databaseName=Factura";
Connection conn = DriverManager.getConnection(url,"sa","");and is giving me this exception:
run:
Got an exception!
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Error: "connect timed out.
Verify the connection properties,
check that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port,
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com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host localhost, port 1433 has failed.
Error: "connect timed out. Verify the connection properties,
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at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:171)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1033)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:817)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:700)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:842)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at factura.FacturaView.conexion(FacturaView.java:317)
at factura.FacturaView.jTextField1KeyPressed(FacturaView.java:268)
at factura.FacturaView.access$900(FacturaView.java:41)
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at java.awt.Component.processKeyEvent(Component.java:6225)
at javax.swing.JComponent.processKeyEvent(JComponent.java:2801)
at java.awt.Component.processEvent(Component.java:6044)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
at java.awt.Component.dispatchEventImpl(Component.java:4502)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
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BUILD SUCCESSFUL (total time: 34 seconds)how can i solve this?
thanks..
Edited by: derok on Dec 8, 2010 1:31 PM
Edited by: derok on Dec 8, 2010 9:14 PM
Edited by: derok on Dec 11, 2010 1:51 PM
Edited by: derok on Dec 11, 2010 1:52 PMtschodt wrote:
derok wrote:
1434 did not worked eitherWhat port is your SQL Server listening on?
List of active ports:
C:\> netstat -naboOn linux I would add -l and -t to only get listening TCP ports.netstat -nabo gave me this:
Active Connections
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 2004
[httpd.exe]
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 1148
e:\windows\system32\WS2_32.dll
E:\WINDOWS\system32\RPCRT4.dll
e:\windows\system32\rpcss.dll
E:\WINDOWS\system32\svchost.exe
E:\WINDOWS\system32\ADVAPI32.dll
[svchost.exe]
TCP 0.0.0.0:443 0.0.0.0:0 LISTENING 2004
[httpd.exe]
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4
[System]
TCP 0.0.0.0:2869 0.0.0.0:0 LISTENING 1528
E:\WINDOWS\system32\httpapi.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\RPCRT4.dll
[svchost.exe]
TCP 0.0.0.0:3306 0.0.0.0:0 LISTENING 2428
[mysqld.exe]
TCP 0.0.0.0:4400 0.0.0.0:0 LISTENING 2592
[nlsvc.exe]
TCP 0.0.0.0:7511 0.0.0.0:0 LISTENING 204
[raysat_3dsmax2010_32server.exe]
TCP 127.0.0.1:1028 0.0.0.0:0 LISTENING 3080
[alg.exe]
TCP 127.0.0.1:5152 0.0.0.0:0 LISTENING 188
[jqs.exe]
TCP 192.168.0.101:139 0.0.0.0:0 LISTENING 4
[System]
TCP 127.0.0.1:5152 127.0.0.1:1163 CLOSE_WAIT 188
[jqs.exe]
TCP 192.168.0.101:2869 192.168.0.1:4563 CLOSE_WAIT 4
[System]
UDP 0.0.0.0:500 *:* 908
[lsass.exe]
UDP 0.0.0.0:445 *:* 4
[System]
UDP 0.0.0.0:4500 *:* 908
[lsass.exe]
UDP 0.0.0.0:1434 *:* 3036
[sqlbrowser.exe]
UDP 127.0.0.1:123 *:* 1284
e:\windows\system32\WS2_32.dll
e:\windows\system32\w32time.dll
ntdll.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP 127.0.0.1:1135 *:* 3508
[iexplore.exe]
UDP 127.0.0.1:1040 *:* 1284
e:\windows\system32\WS2_32.dll
E:\WINDOWS\system32\WINHTTP.dll
E:\WINDOWS\system32\upnp.dll
E:\WINDOWS\system32\RPCRT4.dll
E:\WINDOWS\system32\ole32.dll
[svchost.exe]
UDP 127.0.0.1:44301 *:* 2880
[PnkBstrA.exe]
UDP 127.0.0.1:1900 *:* 1528
e:\windows\system32\WS2_32.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\ADVAPI32.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP 192.168.0.101:1900 *:* 1528
e:\windows\system32\WS2_32.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\ADVAPI32.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP 192.168.0.101:137 *:* 4
[System]
UDP 192.168.0.101:123 *:* 1284
e:\windows\system32\WS2_32.dll
e:\windows\system32\w32time.dll
ntdll.dll
-- unknown component(s) --
[svchost.exe]
UDP 192.168.0.101:138 *:* 4
[System]Edited by: derok on Dec 10, 2010 11:04 AM
Edited by: derok on Dec 10, 2010 11:11 AM -
Disabling directory non-secure port
Hi all.
Is there in Sun Directory Server 5.1 any way to disable non-secure port in order to bind all the connections through the secure port?
Thanks in advance.
Jaime Ferragut
University of the Balearic IslandsYou could try setting the regular port number to "0". I don't think clients can connect on port 0. Be aware that this may disable your ability to manage the DS through the GUI console.
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Doing proper NAT to FTP connections on non-standard port
Router 1712, IOS 12.3
There is an article from Cisco, "Using Non-Standard FTP Port Numbers with NAT".
http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094e76.shtml
It explains how to enable NATting router to perform proper translation of NAT-sensitive protocols, in this case FTP.
The article assumes that the FTP server in question is on the inside interface of the router.
The configuration proposed by the article is as follows:
interface Ethernet0
ip address 10.1.1.2 255.255.255.0
ip nat inside
interface Serial0
ip address 192.168.10.1 255.255.255.252
ip nat outside
ip nat service list 10 ftp tcp port 2021
ip nat inside source static 10.1.1.1 20.20.20.1
access-list 10 permit 10.1.1.1
In my case, the FTP server in question is on the outside interface. The router is performing source NAT for outbound connections. An example of my config is below:
interface Ethernet0
ip address 12.34.56.1 255.255.255.0
ip nat outside
interface Vlan324
ip address 10.1.1.2 255.255.255.0
ip nat inside
ip nat service list 10 ftp tcp port 2021
ip nat inside source static 10.1.1.100 12.34.56.100
access-list 10 permit 12.34.56.200
With this configuration, Layer 3 NAT is working. I'm able to establish an FTP control channel and issue FTP commands. However, I think that the IP addresses inside FTP control channel are not translated properly (to 12.34.56.100). Therefore, the FTP data channel is not working.
I tried to enable the following debug, however didn't see any entries related to FTP control channel translation:
debug ip nat
debug ip nat detailed
debug ip snat
debug ip snat detailed
debug ip ftp
debug ftpserver
My question is:
Is the "ip nat service list <acl> ftp tcp <port>" command supposed to work when the FTP server in question is on the outside interface of the translating router ?Hi,
I see that this question was asked quite some time ago but I have come across the same issue, i.e when the server is on the outside interface the ip in the "PORT" command from the client is not translated.
Did you ever get a fix for it?
Thanks -
Pls confirm SMB over TCP/IP w/o NetBIOS (port 445)
Pls confirm that Mac OS X natively supports SMB over TCP/IP w/o NetBIOS layer, i.e. have you been able to connect to a Windows mashine on port 445 (not 139) w/o port remapping.
MB 2.0 Mac OS X (10.4.9)I just talked for 30 min with one of the university network sysadmins. Apparently, OS X does NOT support "native" SMB over TCP/IP on 445 (i.e. w/o handshake session on 139). It probably could be done thru VPN or DAVE software, but not thru Finder. There doesn't seem to be an easy fix to smb.conf or nsmb.conf that might do that.
Most of the firewalls around here filter 139 (but not 445) so PC can share with PC over Samba, but Mac can not. Way to go, Apple.
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