Connection-handling of ports

I want to make all connections through a proxy. I need to run the traffic through my proxy to be able to simulate some WAN-traffic + count the traffic. I know I can specify the proxy in the connection-string and the connection is then established.
But obviously the connection via the proxy is only to negotiate the port resp. address for the data-transfer. Cause the data-transfer is not handled via the proxy-config, but directly.
e.g. Proxy: localhost:9101 ==> connection is established via localhost, 9101; But no data is transferred on these, but on some other port, e.g. 3745, on my machine.
Is there a way to specify the callback-port resp. callback-machine? The best would be to specify it in the connection-string.
Thx
LeO

This is part of the Oracle Net protocol: during a connection attempt the server may ask the client to connect to a different port. If you want to use a network proxy then it has to understand this protocol.
Cyclops for example is an Oracle network proxy. You can find it here: http://lavarene.blogspot.com/2010/05/cyclops-oracle-net-proxy-and-replay.html
Regards.

Similar Messages

LDAP Proxy fails to assign custom connection handler

Hi,
I've setup some custom connection handlers, and my proxy server is behaving randomly.
I mean that sometimes it assigns the new handler sometimes not. This randomness occurs
if I delete the handler and create it again with the same configuration options.
I tried restarting the server as well as upgrading to 6.3.1 (Linux/Centos) without any luck.
Now the server does not assign the high priority custom handler when I connect on the SSL port (1636)
but it does assign it if i connect on the NON-SSL port (1389)
This is is my configuration:
dpconf list-connection-handlers -v -p 1636
anonymous true 5
domain2.example.com true 3
default connection handler true 100
directory services administrators true 1
domain1.example.com true 1
schema false 6
dpconf get-connection-handler-prop domain1.example.com
aci-source : none
allowed-auth-methods : simple
allowed-ldap-ports : ldap
allowed-ldap-ports : ldaps
bind-dn-filters : uid=(.*),cn=(.*),ou=People,dc=domain1,dc=example,dc=com
bind-dn-filters : uid=(.*),ou=(.*),ou=People,dc=subdomain,dc=domain1,dc=example,dc=com
data-view-routing-custom-list : DOMAIN1
data-view-routing-policy : custom
description :
domain-name-filters : any
enable-data-view-affinity : false
ip-address-filters : any
is-enabled : true
is-ssl-mandatory : false
priority : 1
request-filtering-policy : Read and Modify
resource-limits-policy : no-limits
schema-check-enabled : false
user-filter : any
ldapsearch -x -b dc=example,dc=com -H ldaps://proxy.example.com:1636 -W -D "uid=user,cn=admin,ou=People,dc=domain1,dc=example,dc=com" '(uid=user)' dn
[07/Apr/2009:19:44:10 +0300] - CONNECT - INFO - conn=33 client=10.0.0.1:40795 server=proxy.example.com:1636 proto
col=LDAPS
[07/Apr/2009:19:44:10 +0300] - PROFILE - INFO - conn=33 assigned to connection handler cn=default connection handler,
cn=connection handlers, cn=config
[07/Apr/2009:19:44:10 +0300] - OPERATION - INFO - conn=33 op=0 BIND dn="uid=user,cn=admin,ou=People,dc=domain1,dc=example,dc=com" method="SIMPLE" version=3
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=0 BIND dn="uid=user,cn=admin,ou=People,dc=domain1,dc=example,dc=com" method="SIMPLE"" version=3 s_msgid=18 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=0 BIND RESPONSE err=0 msg="" s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - OPERATION - INFO - conn=33 op=0 BIND RESPONSE err=0 msg="" etime=0
[07/Apr/2009:19:44:10 +0300] - OPERATION - INFO - conn=33 op=1 msgid=2 SEARCH base="dc=example,dc=com" scope=2 filter="(uid=user)" attrs="dn "
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH base="dc=domain1,dc=example,dc=com" scope=2 filter="(uid=user)" attrs="dn " s_msgid=19 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH RESPONSE err=0 msg="" nentries=2 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH base="dc=example,dc=com" scope=2 filter="(uid=user)"
attrs="dn " s_msgid=20 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH RESPONSE err=32 msg="" nentries=0 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH base="dc=domain2,dc=example,dc=com" scope=2 filter="(ui
d=user)" attrs="dn " s_msgid=21 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - SERVER_OP - INFO - conn=33 op=1 SEARCH RESPONSE err=0 msg="" nentries=2 s_conn=dna:1
[07/Apr/2009:19:44:10 +0300] - OPERATION - INFO - conn=33 op=1 SEARCH RESPONSE err=0 msg="" nentries=4 etime=0
As you see the connection is routed through default connection handler.
This happens sometimes even If I put the client IP in the criteria, without the bind criteria.
I'm a bit comfused. I've also tried to change the priorities but no luck again.
The funny thing is that If I connect through the NON-SSL port on the proxy the connection
is routed through the domain1.example.com connection handler...
[07/Apr/2009:19:51:32 +0300] - PROFILE - INFO - conn=37 assigned to connection handler cn=domain1.example.com,cn=connection handlers,cn=config
any comment on this would be appreciated
regards,
Giannis

Talking about randomness, I've deleted the connection handlers,
deleted the default data views, deleted the default data pool, enabled manual routing.
recreated the connection handlers and now it works.
The handlers are the same as before. Same criteria...
Don't get it but there must be something fishy going on there...
any way, what I'm trying to do is a setup like
"Data Views That Route Requests When a List of Subtrees Is Stored on Multiple, Data-Equivalent Data Sources"
http://docs.sun.com/app/docs/doc/820-2763/gbwva?a=view
where requests with the parent domain as base would work as well.
domain1.example.com
domain2.example.com
example.com (includes both)
if I have something new I will post
Giannis

Handling embedded port numbers

Hi all: How the heck do you handle http traffic with
embedded port numbers? I just came across a situation like
this:
http://some.web.address:8080
which was blocked by out proxy. Now if port 8080 is the
only port that usually gets passed I can handle that, but
what prevents any port number for being used?
How do you handle this?

here is a real world example of what is failing:
http://video.boeing.com:8080/asx_ext...ts/F4C_HF3-2_V
isibleCamera2_DRM1_96ABW-2009-0394.asx
Chris
>>> On 10/15/2009 at 3:20 PM, in message
<[email protected]>, Craig
Johnson<[email protected]> wrote:
> In article <4AD721D3.CE15.0032.0@N0_$pam.vrapc.com>, Chris
> wrote:
>> http://some.web.address:8080
>>
>> which was blocked by out proxy. Now if port 8080 is the
>> only port that usually gets passed I can handle that,
> but
>> what prevents any port number for being used?
>>
> The proxy will handle embedded port numbers just fine.
> They will be
> passed to the proxy as a url from the browser.
>
> Then you have to understand how the system works. First
> of all, the
> default filters. Default filters block all traffic to
> and from the
> public interface. You therefore need to open certain
> filter exceptions
> up just to allow normal browsing traffic. Novell put in
> two stateful
> exceptions for the typical proxy use: http and ssl.
> (Also allows DNS
> out from the server). This does not include port 8080,
> so in order to
> allow the proxy to use that port, you need to customize
> the filter
> exceptions somehow. One way would be to add a custom
> stateful
> exception for each one of these ports you need. Another
> way is to more
> globally allow traffic from the proxy, which is what I
> do with a series
> of custom filter exceptions (listed in the advanced
> chapter of my BMgr
> Filtering book).
>
> Then, you have to allow the traffic through access
> rules. If you allow
> by URL, you should be set. But if you allowed by HTTP
> or TCP port
> number, then you would need to add an access rule for
> the port number
> involved. (I recommend URL rules.)
>
> Craig Johnson
> Novell Support Connection SysOp
> *** For a current patch list, tips, handy files and
> books on
> BorderManager, go to http://www.craigjconsulting.com ***

DPS6.3 modify default connection handler?

While making some changes in a dps through the dscc I edited the default connection handler and added two connection policies. I have now lost access to the dps through the dscc possibly because of the policies added.How do I fix the default connection handler? Is there a dpconf command to read it, and delete the policies?
Edited by: Xoth on Jun 11, 2009 12:38 PM
FIXED. I figured it out. Looking at reference manual instead of admin where the dpconf commands are.
dpconf get-connection-handler-prop -h host -p port "default connection handler"
dpconf set-connection-handler-prop -h host -p port "default connection handler" request-filtering-policy:no-filtering
dpconf set-connection-handler-prop -h host -p port "default connection handler" resource-limits-policy:no-limits

Dummy post to increase the reply count. Sorry for the noise.

New error with upgrade jboss/tomcat: "Connection handle has been closed and is unusable"

Hi,
This error suddenly appeared when we upgraded from jboss3/tomcat5.0 to jboss4.2/tomcat5.5.
here's the usecase:
1) User clicks on report link
2) Crystal reports web componnent displays screen to fill in report parameters.
3) user enters parameters and clicks submit
4) System throws Exception
The same reports worked fine with jboss 3.2.6/tomcat 5.0. We haven't touched anything in this realm.
Log Excerpt:
09:42:18,842 INFO [datasource] Openning rowset
09:42:18,904 ERROR [reportdefinition] com.crystaldecisions.reports.queryengine.driverImpl.m: JDBC Error: Connection handle has been closed and is unusable
09:42:18,905 ERROR [datasource] Failed to open rowset: the query failed to open rowset
com.crystaldecisions.reports.reportdefinition.datainterface.g: JDBC Error: Connection handle has been closed and is unusable
 at com.crystaldecisions.reports.reportdefinition.datainterface.d.a(Unknown Source)
To try to narrow down the problem, I've updated the jdbc configuration to
 <track-statements>true</track-statements>
here's a recap:
This Boolean element specifies whether to check for unclosed statements when a connection is returned to the pool. If it is true, a warning message is issued for each unclosed statement. If the log4j category org.jboss.resource.adapter.jdbc.WrappedConnection has trace level enabled, a stack trace of the connection close call is logged as well. This is a debug feature that can be turned off in production.
Interestingly enough, this error appears slightly upstream:
(CachedConnectionManager.java:526) - Closing a connection for you. Please close them yourself: org.jboss.resource.adapter.jdbc.WrappedConnection@c76003
java.lang.Throwable: STACKTRACE
 at
org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88)
 at com.crystaldecisions.reports.queryengine.driverImpl.k.a(Unknown Source)
 at com.crystaldecisions.reports.queryengine.driverImpl.o.if(Unknown Source)
 at com.crystaldecisions.reports.queryengine.av.new(Unknown Source)
 at com.crystaldecisions.reports.queryengine.av.byte(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.j.a(Unknown Source)
 at com.crystaldecisions.reports.dataengine.ba.try(Unknown Source)
 at com.crystaldecisions.reports.common.av.a(Unknown Source)
 at com.crystaldecisions.reports.common.ag.a(Unknown Source)
 at com.businessobjects.reports.sdk.b.e.a(Unknown Source)
 at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown
So the question arises:
1) Is the jboss datasource overly/aggressively closing result sets?
2) or is there a coding error in CRXIR2?
thanks,
bill
Full stack trace:
[2008-03-13 17:26:18,905] [INFO ] org.jboss.resource.connectionmanager.CachedConnectionManager (CachedConnectionManager.java:526) - Closing a connection for you. Please close them yourself: org.jboss.resource.adapter.jdbc.WrappedConnection@c76003
java.lang.Throwable: STACKTRACE
 at org.jboss.resource.connectionmanager.CachedConnectionManager.registerConnection(CachedConnectionManager.java:290)
 at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:417)
 at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:842)
 at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88)
 at com.crystaldecisions.reports.queryengine.driverImpl.k.a(Unknown Source)
 at com.crystaldecisions.reports.queryengine.driverImpl.o.if(Unknown Source)
 at com.crystaldecisions.reports.queryengine.av.new(Unknown Source)
 at com.crystaldecisions.reports.queryengine.av.byte(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.b.a(Unknown Source)
 at com.crystaldecisions.reports.reportdefinition.datainterface.j.a(Unknown Source)
 at com.crystaldecisions.reports.dataengine.ba.try(Unknown Source)
 at com.crystaldecisions.reports.common.av.a(Unknown Source)
 at com.crystaldecisions.reports.common.ag.a(Unknown Source)
 at com.businessobjects.reports.sdk.b.e.a(Unknown Source)
 at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown Source)
 at com.crystaldecisions.proxy.remoteagent.y.a(Unknown Source)
 at com.crystaldecisions.proxy.remoteagent.r.a(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.cf.a(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.z.a(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.ak.if(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.ad.int(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.bk.for(Unknown Source)
 at com.crystaldecisions.proxy.remoteagent.v.a(Unknown Source)
 at com.crystaldecisions.proxy.remoteagent.v.if(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.DatabaseController.a(Unknown Source)
 at com.crystaldecisions.sdk.occa.report.application.DatabaseController.setTableLocation(Unknown Source)
 at com.crystaldecisions.reports.sdk.DatabaseController.setTableLocation(Unknown Source)
 at org.apache.jsp.reports.processreport_jsp.switchTables(processreport_jsp.java:131)
 at org.apache.jsp.reports.processreport_jsp.loadReport(processreport_jsp.java:68)
 at org.apache.jsp.reports.processreport_jsp._jspService(processreport_jsp.java:227)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:387)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.participate.shared.pagecache.client.PageCacheFilter.doFilter(PageCacheFilter.java:760)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.participate.util.servlet.ExpiredPasswordFilter.doFilter(ExpiredPasswordFilter.java:92)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.participate.pe.channels.client.servlet.ChannelUrlFilter.processUrl(ChannelUrlFilter.java:168)
 at com.participate.pe.channels.client.servlet.ChannelUrlFilter.doFilter(ChannelUrlFilter.java:100)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.participate.util.servlet.BlockIpAddressFilter.doFilter(BlockIpAddressFilter.java:224)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.outstart.multiapp.filters.KeepOtherSessionsAliveFilter.doFilter(KeepOtherSessionsAliveFilter.java:88)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at com.participate.util.servlet.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:151)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
 at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
 at java.lang.Thread.run(Thread.java:619)


OK. I found the problem along with a workaround.


The problem:


a programming practice clashes with a new jboss 'safety check'.


Programming practice:


crystal reports gets a database connection in one jsp page, then tries to use it on another jsp/servlet


Jboss safety check:
Jboss/tomcat new comes configured out-of-the-box with a 'cached connection
manager', which


"Check[s] for unclosed connections and transaction terminated checks in servlets/jsps."


 Summary


In short, if a servlet/jsp ends and it leaves a database connection open, Jboss will automatically close it.




Workaround: 
Comment out two entries in these two files:


1) conf/jboss4/pe/deploy/jboss-web.deployer/server.xml


2) conf/jboss4/pe/deploy/jboss-web.deployer/META-INF/jboss-service.xml


The two entries:




1)


 <Valve className="org.jboss.web.tomcat.service.jca.CachedConnectionValve" 
 cachedConnectionManagerObjectName="jboss.jca:service=CachedConnectionManager" 
 transactionManagerObjectName="jboss:service=TransactionManager" /> 


2)


 <depends>jboss.jca:service=CachedConnectionManager</depends> 




Comments on the workaround


The 'cached connection manager' basically makes sure that the application cleans up after bad programmers. It seems most helpful in development, load testing, or trouble shooting.


In production, you can likely comment them out with minimal
impact on the application.

ASM instance crash due to error ORA-27506: IPC error connecting to a port

Hi All,
Today the ASM instance goes down.
When i checked the alert log I found the below error.
ORA-27506: IPC error connecting to a port
ORA-27300: OS system dependent operation:sendmsg failed with status: 22
ORA-27301: OS failure message: Invalid argument
ORA-27302: failure occurred at: sskgxpsnd1
Please find the environment details.
OS : RHEL-5
DB: 11.1.0.7 2-node RAC
I want to know the root cause of this issue.
Please suggest.
Thanks and Regards,

Hi,
Could you please upload cluster alert log and cssd.log?
regards,
Kishore

"Device connected to USB port has malfunctioned and is not recognized"

When I hooked my nano up to my computer today, the screen went black with a silver apple icon on it...it's still all lite up and on...but it won't change from that screen.
And my computer says, "Device connected to USB port has malfunctioned and is not recognized", so it won't show up in iTunes.
What do I do?? Thanks.
Windows

iPod appears in Windows Explorer but does not appear in iTunes.
iPod does not appear in iTunes.
Fast user switching in Windows XP is not supported.
Strange iPod behavior.

Error in fax set up - connected to wrong port, although i'm not

Hi
I'm not a technical whizz kid...
Trying to set up my all in one to send faxes (I only need to be able to send the odd fax).
On the test I'm getting:
Fax hardward test PASS
Fax connected to active telephone wall jack PASS
Phone cord connected to correct port on fax FAIL.
Below that is says that the phone cord is connected to 2-ext on the bank of my device and that i should change it to 1-Line. As I said, I'm not whizz kid, but it is defintiely connected to 1-Line. I even tried switching them and I got fail on point 2, so I put it back in 1-Line but it's still not working.
I'm struggling to find any help with this particular error.
thanks
Mig

Hi @MigGilbert,
Welcome to the HP Support Forums! I see you would like to set up the Fax feature on your HP Officejet 8610, everything passes when you run the test except the correct port connection.
I would like you to start troubleshooting here: Cannot Send or Receive Faxes
Please let me know the outcome, are you now able to send a Fax?
I hope to hear from you soon.
HevnLgh
I work on behalf of HP
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to the left of the reply button to say “Thanks” for helping!

Mac pro does not recognize ipad device when connected via usb port, suggestions?

mac pro running os 10.6.8 does not recognize ipad device when connected via usb port, suggestions? itunes 10.7

Here's a troubleshooting assistant: http://www.apple.com/support/ipad/assistant/itunes/
The most likely issue: Have you plugged your iPad into a USB port that is not directly part of your MacBook Pro?

What are the settings required to block a particular IP to make connection on particular port no running on another IP?

Problem:
-   What are the settings required to block a particular IP to make connection on particular port no running on another IP?
Environment:
Operating System            : - Windows XP Service
Pack 1
System type                     : - 32 – bit Operating System
Description: - We
have requirement to block Port access from particular IP. It is specific requirement for a machine.
We have service which is running on
Server with IP: - 10.14.15.116 on
Port Number 3366 and we need to
block Client Machine IP: - 10.14.15.114 to make
any connections with server on this port. Not even client machine
should be able to telnet on server on port 3366.
I
will be really thankful.
For any kind of input which can assist us to complete the requirement.

Does it allow in same way with firewall setting in Windows Server 2008?
I will read in details shared link, but as a matter of urgency; kindly let us know, if we can follow some concise instruction to do above activity.
I
will be really thankful

Connection to serial port via USB adapter- error -2147221503

I am trying to drive a stepper motor provided with possible Labview or VB programs. This motor is supposed to be connected via serial port, but the computer has not some, so I bought an USB adpater to connect my motor via USB. I am using the labview programs provided (Labview 8.0). The program cannot connect to the port and returns error -2147221503. Where may I find some help with that ?
Thanks
Attachments:
error labview.JPG ‏234 KB

I see references to 'Luminos'. Is this the provider of the stepper motor and LabVIEW code? If so, your first step should be to contact them. The whole VI is nothing but ActiveX properties and methods and the vendor would be the only one who knows what is going on.

Failed while creating virtual Ethernet switch. Failed to connect Ethernet switch port

Hello Folks
I am completely stuck with the configuration of my virtual networks. I have one logical switch left to add to one of my Hyper-V 2012 R2 hosts when I started getting the error below when I try to add logical switches to either Hyper-V Host. I have been using
the document. 'Hybrid Cloud with NVGRE (Cloud OS)' to implement the virtual networking. Basically using the exact configuration that is in the document. I have added the PA Logical Network and the Network adapters and added the logical switch for it to my
hyper-v 2012 R2 host and everything was fine. I am now trying to add my ISCSI Logical Switch to the host and this is the error I get. My other Hyper-V host I get this error for any logical switch I am trying to add. Can someone help me with this error. I haven't
been able to find any information about it.
Also a some quick info on tracing an error like this so I can figure out what is causing it.
Thsi is my configuration so far
So as far as I know everything is peachy untill the error below. Dead stop now
Error (12700)
VMM cannot complete the host operation on the 08-NY-VHOST01.accounts.ccac-ont.ca server because of the error: Failed while creating virtual Ethernet switch.
Failed to connect Ethernet switch port (switch name = '******', port name = '88C16766-ED02-4AC0-8CD7-660AC9D424DD', adapter GUID = '{FAF431D8-0124-4E40-BB3B-9234BAA02973}'): The system cannot find the file specified. (0x80070002).
Unknown error (0x800b)
Thank you for your time
Christopher
Christopher Scannell

notice your GUID? you may want to consider ensuring that is the same GUID associated in your database. Sometimes during data corruption theres a smidge of a chance your sql database kind of either pulls old guids esp if this was reverted to snapshot
without it being powered off etc.
I would try that first. then i would consider if you get to configure that with your current liscense associated with the host. I would need way more info to help any further

Running Toolkit - Cannot connect socket to port

Hi,
Can anybody help me to try and execute any program with the J2ME Toolkit. After loading the jad file from the samples I get the following error. This happens irrespective of the application I try and the applications do run on the Nokia toolkit I have installed. The error is as follows:
Running with storage root DefaultColorPhone
Cannot connect socket to port 3279
Windows error code 10061
Cannot open socket for LIME events on port 3279
I am running Windows XP Pro, JSDK1.4.2.
Thanks for your help.
Sean Mac

when i run the j2me toolkit 21 get the following message and the device disapears after a second...
cannot connect socket to port 1047
Windows error code 10061
cannot open socket for LIME events on port 1047
plzzz reply

Connect iMac MiniDisplay port to VGA or composite projector, PLEASE!??

I have an iMac and an Epson Powerlite 77c projector I am wanting to link up. I need to go from the minidisplay port in the back of the imac to either composite or vga (female) connection. Apple has a minidisplay to vga adapter which i'm assuming will work.
Epson Projector connections - VGA (female,) Video and audio in (composite), S-video
iMac display connections- Mini display port
Would it be better to use vga or composite for watching movies and using the computer through the projector?
And...if i am thinking of the correct cable i'm also going to need an extension to actually get to the monitor. Since the minidisplay to vga cable is female and so is the vga input on the projector, Is there such thing as male-male vga cable and would it send the signal properly from the imac to the projector?
Is there any other way to link these two devices up? Component switch or wireless transmitter?
Thanks

Apple has a minidisplay to vga adapter which i'm assuming will work.
Yes, it will work fine!
Would it be better to use vga or composite for watching movies and using the computer through the projector?
The iMac is not able to connect via composite cable at all. VGA, Mini Display Port, and HDMI (through adapter) are the only types of cabling that will work. Keep in mind that composite is the absolute WORST video quality you could hope for. Here is the scale from worst to best...
Composite, S Video, Component, VGA, DVI/HDMI/MDP (these last 3 are essentially the same quality)
Is there such thing as male-male vga cable and would it send the signal properly from the imac to the projector?
Yes, they are extremely common, and it will work fine. I would be surprised if there wasn't an extra cable of this sort already in the projector bag. It is standard gear for all of my office's projector sets.
Is there any other way to link these two devices up? Component switch or wireless transmitter?
The best connection you can make with the powerlite 77c is through VGA.

Hi, I have a latest Macbook Pro Retina. I connect its hdmi port to a DisportPort of HP Compaq LA2205wg external monitor, but no signal at all. Could anybody help me

Hi, I have a latest Macbook Pro Retina. I connect its hdmi port to a DisportPort of HP Compaq LA2205wg external monitor, but no signal at all. Could anybody help me

I could be *very* wrong but did not know you could output from HDMI into displayport consistently with no issues.
Try a mDP to DP cable like this (the mDP end will go directly into the thunderbolt port of your laptop)
http://www.monoprice.com/Product?c_id=102&cp_id=10246&cs_id=1024606&p_id=6006&se q=1&format=2

Connection-handling of ports

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