WSA Deployment with existing MS TMG Proxy Server

Hello,
I am interesting if it is possible to deploy WSA in front on MS TMG server. So from user perspective first will be TMG server and second will be WSA. USER LAN ---à TMG --à WSA---à.INTERNET.
If it is possible, how authentication will be handled ?

I don't know if TMG and deal with an upstream proxy, but presumably, the TMG would auth the user, then the request would be handled by the WSA, and you wouldn't require the TMG to auth to the WSA...
I do know that the WSA can be configured to use an upstream proxy, from the menu Network>Upstream Proxy. In that case, have the users auth to the WSA and then have the TMG trust any connections from the WSA...
Trying to do auth on both just sounds like you're looking for a world of complications...

Similar Messages

Little help please with forwarding traffic to proxy server!

hi all, little help please with this error message
i got this when i ran my code and requested only the home page of the google at my client side !!
GET / HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-shockwave-flash, */*
Accept-Language: en-us
UA-CPU: x86
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2; .NET CLR 2.0.50727)
Host: www.google.com
Connection: Keep-Alive
Cookie: PREF=ID=a21457942a93fc67:TB=2:TM=1212883502:LM=1213187620:GM=1:S=H1BYeDQt9622ONKF
HTTP/1.0 200 OK
Cache-Control: private, max-age=0
Date: Fri, 20 Jun 2008 22:43:15 GMT
Expires: -1
Content-Type: text/html; charset=UTF-8
Content-Encoding: gzip
Server: gws
Content-Length: 2649
X-Cache: MISS from linux-e6p8
X-Cache-Lookup: MISS from linux-e6p8:3128
Via: 1.0
Connection: keep-alive
GET /8SE/11?MI=32d919696b43409cb90ec369fe7aab75&LV=3.1.0.146&AG=T14050&IS=0000&TE=1&TV=tmen-us%7Cts20080620224324%7Crf0%7Csq38%7Cwi133526%7Ceuhttp%3A%2F%2Fwww.google.com%2F HTTP/1.1
User-Agent: MSN_SL/3.1 Microsoft-Windows/5.1
Host: g.ceipmsn.com
HTTP/1.0 403 Forbidden
Server: squid/2.6.STABLE5
Date: Sat, 21 Jun 2008 01:46:26 GMT
Content-Type: text/html
Content-Length: 1066
Expires: Sat, 21 Jun 2008 01:46:26 GMT
X-Squid-Error: ERR_ACCESS_DENIED 0
X-Cache: MISS from linux-e6p8
X-Cache-Lookup: NONE from linux-e6p8:3128
Via: 1.0
Connection: close
java.net.SocketException: Broken pipe // this is the error message
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:115)
at java.io.DataOutputStream.writeBytes(DataOutputStream.java:259)
at SimpleHttpHandler.run(Test77.java:61)
at java.lang.Thread.run(Thread.java:595)
at Test77.main(Test77.java:13)

please could just tell me what is wrong with my code ! this is the last idea in my G.p and am havin difficulties with that cuz this is the first time dealin with java :( the purpose of my code to forward the http traffic from client to Squid server ( proxy server ) then forward the response from squid server to the clients !
thanx a lot,
this is my code :
import java.io.*;
import java.net.*;
public class Test7 {
public static void main(String[] args) {
try {
ServerSocket serverSocket = new ServerSocket(1416);
while(true){
System.out.println("Waiting for request");
Socket socket = serverSocket.accept();
new Thread(new SimpleHttpHandler(socket)).run();
socket.close();
catch (Exception e) {
e.printStackTrace();
class SimpleHttpHandler implements Runnable{
private final static String CLRF = "\r\n";
private Socket client;
private DataOutputStream writer;
private DataOutputStream writer2;
private BufferedReader reader;
private BufferedReader reader2;
public SimpleHttpHandler(Socket client){
this.client = client;
public void run(){
try{
this.reader = new BufferedReader(
new InputStreamReader(
this.client.getInputStream()
InetAddress ipp=InetAddress.getByName("192.168.6.29"); \\ my squid server
System.out.println(ipp);
StringBuffer buffer = new StringBuffer();
Socket ss=new Socket(ipp,3128);
this.writer= new DataOutputStream(ss.getOutputStream());
writer.writeBytes(this.read());
this.reader2 = new BufferedReader(
new InputStreamReader(
ss.getInputStream()
this.writer2= new DataOutputStream(this.client.getOutputStream());
writer2.writeBytes(this.read2());
this.writer2.close();
this.writer.close();
this.reader.close();
this.reader2.close();
this.client.close();
catch(Exception e){
e.printStackTrace();
private String read() throws IOException{
String in = "";
StringBuffer buffer = new StringBuffer();
while(!(in = this.reader.readLine()).trim().equals("")){
buffer.append(in + "\n");
buffer.append(in + "\n");
System.out.println(buffer.toString());
return buffer.toString();
private String read2() throws IOException{
String in = "";
StringBuffer buffer = new StringBuffer();
while(!(in = this.reader2.readLine()).trim().equals("")){
buffer.append(in + "\n");
System.out.println(buffer.toString());
return buffer.toString();
Edited by: Tareq85 on Jun 20, 2008 5:22 PM

Issue with Sun Java Web Proxy Server

I am using Sun Java Web Proxy Server to test my webservice in https mode.(SSL mode).When i test the webservice in http mode,its working fine,but when I test it in SSL mode ,it is giving the following error:
Unable to tunnel through localhost:8082. Proxy returns "HTTP/1.1 403 Proxy denies fulfilling the request"
When I am requesting the webservice using the following parameters:
a)-Dcom.yodlee.soap.services.url=https://localhost:1080/yodsoap/services
b)-Dyodlee.sdk.https.proxyHost=localhost
c)-Dyodlee.sdk.https.proxyPort=8082
d)-Dcom.yodlee.soap.client.http11Enabled=1
this parameters is used to set the client http connection to HTTP1.1 by setting the HTTP_TRANSPORT_VERSION.
Detailed error message is as follows:
Caused by: java.io.IOException: Unable to tunnel through localhost:8082. Proxy returns "HTTP/1.1 403 Proxy denies fulfilling the request"
     at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
     at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:131)
     at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:71)
     at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:150)
     at org.apache.axis.SimpleChain.invoke(SimpleChain.java:120)
     at org.apache.axis.client.AxisClient.invoke(AxisClient.java:180)
     at org.apache.axis.client.Call.invokeEngine(Call.java:2492)
     at org.apache.axis.client.Call.invoke(Call.java:2481)
     at org.apache.axis.client.Call.invoke(Call.java:2176)
     at org.apache.axis.client.Call.invoke(Call.java:2099)
     at org.apache.axis.client.Call.invoke(Call.java:1622)
     at com.yodlee.soap.core.login.CobrandLoginSoapBindingStub.loginCobrand(CobrandLoginSoapBindingStub.java:225)
     at com.yodlee.soap.core.login.CobrandLoginSoapClientProxy.loginCobrand(CobrandLoginSoapClientProxy.java:119)
     ... 1 more
Caused by: java.io.IOException: Unable to tunnel through localhost:8082. Proxy returns "HTTP/1.1 403 Proxy denies fulfilling the request"
     at org.apache.axis.components.net.JSSESocketFactory.create(JSSESocketFactory.java:197)
     at org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:157)
     at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:114)
     ... 12 more
This error message shows that its not able to get the socket connection to the server.Can anyone tell me the reason of it.
If you need any more info do let me know.
Regards,
Somendra

First of all, is there a reason why you are using jRockit?
Since the issue appeared after upgrading the windows, the issue would potentially be in the interaction between JVM and OS.
Also, there were some issues related to memory leak that were fixed in AS 8.2.
May be you should try with a Sun JVM and AS 8.2.

Issue with using Sun Java Proxy Server

We are trying to access the WebService using the Sun Proxy Server.
When I access the WebService through proxy ,I find the error message in proxy error log as
[18/Oct/2005:19:10:40] failure ( 1288): for host 127.0.0.1 trying to POST http://localhost:1080/yodsoap/services/CobrandLogin, service-http reports: HTTP7760: error reading request body (Client closed connection)
and the access log is as follows:
POST http://localhost:1080/yodsoap/services/CobrandLogin HTTP/1.1" 400 147
But when i see the WebServer access log for the same WebService POST /yodsoap/services/CobrandLogin HTTP/1.1" 200 1783 "-" "Axis/1.1RC1"
This case is happening when the request is compressed for the webservice. and the request headers are as follows:
POST /yodsoap/services/CobrandLogin HTTP/1.1
Content-Type: text/xml; charset=utf-8
Accept: application/soap+xml, application/dime, multipart/related, text/*
User-Agent: Axis/1.1RC1
Host: 127.0.0.1
Cache-Control: no-cache
Pragma: no-cache
SOAPAction: "loginCobrand"
Content-Length: 1412
Connection: close
Content-Encoding: gzip
And the response headers are as follows:
HTTP/1.1 200 OK
Server: Resin/3.0.8
Content-Type: text/xml; charset=utf-8
Transfer-Encoding: chunked
Date: Tue, 18 Oct 2005 13:41:50 GMT
So ,we found out that if we dont use the proxy server,then the WebService is working properly,but if we start using the proxy server,we are encountering HTTP400 error.
Any ideas will help out to solve this problem..???
Thankz in advance.
Regards,
Somendra

This is what I see in the error message:
ProxyFactory initialized in SOAP_CLIENT_MODE
System property : com.yodlee.soap.client.log4j.config not found. Using the default config resource : com.yodlee.util.soap.log4j
ProxyFactory initialized in SOAP_CLIENT_MODE
System property : com.yodlee.soap.client.log4j.config not found. Using the default config resource : com.yodlee.util.soap.log4j
HTTP Header name and value is HTTP/1.1 400 Bad request
HTTP Header name and value is Server Sun-Java-System-Web-Proxy-Server/4.0
HTTP Header name and value is Date Tue, 18 Oct 2005 14:56:21 GMT
HTTP Header name and value is Connection close
com.yodlee.core.CoreRemoteException: org.xml.sax.SAXException: Bad envelope tag: HTML
     at com.yodlee.soap.core.login.CobrandLoginSoapClientProxy.loginCobrand(CobrandLoginSoapClientProxy.java:132)
     at SoapClient.main(SoapClient.java:45)
Caused by: org.xml.sax.SAXException: Bad envelope tag: HTML
     at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
     at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:543)
     at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
     at org.apache.axis.client.Call.invokeEngine(Call.java:2511)
     at org.apache.axis.client.Call.invoke(Call.java:2481)
     at org.apache.axis.client.Call.invoke(Call.java:2176)
     at org.apache.axis.client.Call.invoke(Call.java:2099)
     at org.apache.axis.client.Call.invoke(Call.java:1622)
     at com.yodlee.soap.core.login.CobrandLoginSoapBindingStub.loginCobrand(CobrandLoginSoapBindingStub.java:225)
     at com.yodlee.soap.core.login.CobrandLoginSoapClientProxy.loginCobrand(CobrandLoginSoapClientProxy.java:119)
     ... 1 more
Caused by: org.xml.sax.SAXException: Bad envelope tag: HTML
     at org.apache.axis.message.EnvelopeBuilder.startElement(EnvelopeBuilder.java:107)
     at org.apache.axis.encoding.DeserializationContextImpl.startElement(DeserializationContextImpl.java:934)
     at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1635)
     at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:634)
     at org.apache.crimson.parser.Parser2.parse(Parser2.java:333)
     at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
     at javax.xml.parsers.SAXParser.parse(SAXParser.java:345)
     at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:230)
     at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
     ... 9 more

Compatibility ADFS 2.0 with ADFS 2.1 proxy server

Hi,
I'll install an ADFS proxy server to support an internal ADFS (Server 2008 R2) environment.
Because of the huge differences between ADFS on Server 2008 R2 and 2012 R2, I'll install the proxy server it on a 2012 server (not R2).
Are there any known things to take in mind when using a config like this?
My preferred option would be to use 2008 R2 too for proxy, but it's quite EOL.

I am not 100% sure what you are doing. But let me be extremely explicit: Use a proxy of the same OS and ADFS version as the ADFS server. Make sure they have the same patches etc. Do not mix the versions.
There are too many subtle differences (if the mix works at all). If you don't want to use 2012R2 then use both ADFS and its proxy on 2012.
Paul Lemmers

I just recieved my Iphone yesterday, and today I was reading somthing off of Safari and recieved "error:there was a problem communicating with the secure web proxy server (HTTPS)" .Now I get this whenever I try opening any of my apps. Even my facebook app

I have never done this before so I do not know if I am even doing this correctly. Anyways, I cleared my history and cookies! I even deleted many apps thinking it might of been from them. I have even turned my phone off for a good thirty minutes. THe last thing I did was set my network settings to default.
I dont know what to do. Since I changed my network settings to default I turned my phone off again. I might just restore all setting to default and go from there..and if this doesnt work, I will just return the iphone for a different one I guess.
this is from my IPHONE4s

Attached is Dennis Linam’s Audition – “Log File” and “Log – Last File”
Contact information Dennis [email protected]
Previous contact information with your organization (DURIM):
Dennis - i just finished my audition trial and bought the subscription the 2014 version.
created by durin in Audition CS5.5, CS6 & CC - View the full discussion
DURIM - Okay. I would expect the "Cache Warning" message because your default directories would not be the same as the ones in the settings file I generated.
If you go back to the "7.0" directory and open the "Logs" folder, can you copy the "Audition Log.txt" file and send it as an attachment to [email protected]? We'll take a look in that logfile and see if it gives us more information about why this is failing now.
Also, do you have any other Adobe applications installed on this machine, such as Premiere Pro? If so, do they launch as expected or fail as well?
I do have the trial Pro version of Adobe reader, but I have not activated it, because I fear the same thing will happen did it. I cannot afford to activate the subscription for that product and take the chance of it not working either. I depend on those two programs religiously. Here is the files that you requested. I appreciate any help you can give me to get this audition program started
Audition Log- file
Ticks = 16 C:\Program Files (x86)\Common Files\Adobe\dynamiclink\7.0\dynamiclinkmanager.exe
Sent from Windows Mail

I have not able to connect with itune store via proxy server - I have upgraded the itunes 11.04 version - Any one knows how to solve this problem

Appreciate if any one help me out to solve this problem ?

Open the Keychain Access in the /Applications/Utilities/ folder and create a new keychain, giving it the name login.
(25187)

Fore Front TMG proxy not allowing SharePoint Office Web App

Hi Everyone,
We are deploying Share Point server 2013 in a week days. we set all things ready to move for live and suddenly we are facing a problem with fore front TMG proxy server. we completely using this Share Point server for internal usage only and completely not
for external networks.
When we open SharePoint Office Web App in IE/Chrome with out any proxy it was working quiet good. But with proxy settings, we can able to log-in to the page and see the contents of the site, but couldn't able to open/edit the documents.
When we open the same SharePoint Office Web App in Firefox with proxy settings, It was not even able to go to the log-in page. Firefox completely blocking this SharePoint site with proxy setting and working good without proxy settings
we are using both ISA 2006 server and Forefront 2010 in our farm. please find the version details.
Forefront Threat Management Gateway Microsoft Corporation version: 7.0.7734.100 ,
Microsoft ISA Server 2006 Microsoft Corporation version 5.0.5720.164
Please help me on this as soon as possible, what I need to do for ForeFront TMG server & ISA Server to allow open/edit the sharepoint office web app.

Hi Sarath,
I would like to clarify the below as it will help others to provide solutions.
First Point is, What is the TMG Topology, Is it SecureNAT as well as Proxy for all the subnet from where you are trying to access the site.
Is your Site hosted internally Ie internal when looking from ISA, If SP is internal then the traffic should not hit ISA itself, Or is it hosted on DMZ interface of ISA ?
Your SP server IP / Gateway Details
Your Sharepoint URL
If this is different from AD domain name, Do you have a split DNS configured ?
Your TMG IP address.
If you have Proxy as ISA and gateway as other Firewall, check the block on gateway as well.

HTTPS and a Proxy server?

Does the plugin-in still not work with HTTPS and a proxy server?
From plug-in docs -
"Java Plug-in supports http, ftp, gopher and SOCKS v4 protocols through the proxy server. Currently, Java Plug-in does not support https (SSL). "

Hello
I am making HTTPS calls from within my applet code and this works fine using the basic Java Plug-in support for HTTPS.
This means my code basically does:
URL url = new URL("https://myhost.com/servlet/Test");
URLConnection conn = url.openConnection();
etc..
We are using Java 1.4.2. I've read in the "How HTTPS Works in Java Plug-in" for 1.3, that the plugin uses the browsers API for making HTTPS connections. Is this still the case for 1.4?
My basic problem is that it all works fine if the browser is NOT configured to use a proxy server. If a proxy server is configured we get the following Exception in the client:
java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 400 Bad Request ( The data is invalid. )"
I have read that "Sun's Java Secure Socket Extension (JSSE) library allows you to access a secure Web server from behind a firewall via proxy tunnelling. However, JSSE expects the proxy's reply to the tunnelling request to begin with "HTTP 1.0"; otherwise, it throws an IOException" (http://www.javaworld.com/javatips/jw-javatip111_p.html)
The article talks about using the JSSE library but it seems to be assuming the client is an application not an applet.
How do I use JSSE from within an applet if all the proxy information I seem to need to set in the JSSE code is held by the browser?
Will JSSE support proxies returning responses beginning HTTP 1.1 in the future?
Any help on this would be greatly appreciated.
Many thanks
mark

Proxy Server 3.6 StdIn Error

I have seen a similiar post previously, but not a response.
Several errors with the Sun/1 Proxy Server 3.6 sp 1 proxy on Solaris 8 with reverse-proxy URL's configured:
1. Attempting to turn on access control from the Restrict Access page on Server properties results in the message "System Error: Cannot read POST variables from stdin"
2. Attempting to access a web server via the reverse proxy results in a web response "You are not authorized to view this page" HTTP 403 error in the browser. The proxy error log includes an entry reading "security: for host xxx trying to GET /: deny-service reports: denying service of /"
3. Connection attempts to the internal web server are not attempted from the proxy server, indicating the authentication error is local with the proxy server configuration itself.
3. If the Admin Server is configured to use an LDAP database the virtual server will not start - the server process continues to clock, forks aproximately 10-12 processes with the server start script, each of which must be manually killed (the stop script has no effect).
The proxy server software has been removed/reloaded to eliminate the potential of corruption in the installation directory to no avail.
Thoughts/Assistance?

Excuse the delay in replying (too much tryptophan ;)
Thanks for the feedback on the post errors - without understanding the specific requirements of the browser (other than Netscape as the required interface) the problem was resolved by using an alternative client. Strange that Netscape 7 (causing the POST error) did initially function properly.
The ldap bind, authentication, etc. against the desired ldap database were verified through command line ldap calls from the host os (Solaris). In production, the challenge was the desired attribute for authentication is not UID but CN. Unfortunately the Proxy server does not provide an interface to modify the ldap query and the UID is hardcoded. Compounding the issue is the fact that the authentication libraries used by the Proxy server are internal to the software, and cannot be redirected to other libraries (such as PAM).
Options such as custom development, etc. were explored but eliminated due to cost and potential complexity. Other Proxy alternatives are being explored based on the authentication issue....
Hope this helps
C. Smith

Build and run Rules with Jdev Integrated Web Determination Server

Hi
I created the rule using Oracle Policy Modeling (OPM). Then built and deployed with Embedded Tomcat web determination server. Successfully done it.
Now I have to run the same rule under Jdeveloper Integrated Server. As I know, current version of OPM doesn't support any external server other than Tomcat. In that case I have to copy the output from OPM to JDev Integrated server manually.
Let me know the server location where I have to copy the rule from OPM to Jdev Server.
Thanks
Dev

There are a couple of ways of deploying a new rulebase into OPA running on weblogic.
These can be found in the documentation in the Oracle Policy Automation Developer's Guide (http://docs.oracle.com/html/E38272_01/toc.htm)
1. The first way is to redploy the OPA runtime .war (web-determinations or determinations-server) when a new rulebase is built. These war files are created in the releases directory of the OPM project. When a new release is built the rulebase is embedded in the .war file
2. The second way is to re-deploy the rulebase only. The rulebase is called <project name>.zip and is found in the output directory of the OPM project.
To use the second approach in weblogic you must configure the OPA runtimes to use an external directory. See the Manage rulebases and application.properties sections of the Oracle Policy Automation Developer's Guide.
Then decide if you want to 'hot-swap' (deploy immediately after copying a new rulebase to this directory. If you do not use hot swapping, you will have to restart the web application when you deploy a new version.
Cheers
Frank
Edited by: frank.hampshire on Dec 13, 2012 11:35 AM

Installing SAP 4.6B with existing database

Good evenning.
I need to install SAP 4.6B with existing database in SQL Server 2003.
How can I do this installation?.
Can you send me many guide?
Best regards.
Luis Gomez.

According to
http://service.sap.com/mcod
--> Availibility
4.6B is not supported (too old).
Markus

Reverse proxy server on top of load balancer

Hi ,
I have seen some customers with setup including Reverse Proxy Server on top of Load balancer with SSL accelerator configured with oracle apps 11i , my query is what is the use of configuring Reverse proxy server on top of Load balancer as load balancer can act as reverse proxy.
Thanks,
Puneeth

Hi;
Pelase see Steven Chan blog entery
In-Depth: Load-Balancing E-Business Suite Environments
http://blogs.oracle.com/stevenChan/2006/06/indepth_loadbalancing_ebusines.html
Also see:
11i Forms LoadBalancing question
Load Balancing for EBS R12
Check notes, i belive those are should gives u some answer
Regard
Helios

Deploying OracleAS Single Sign-On Server Cluster setup with a Proxy Server

I have a question regarding setting up a OracleAS Single Sign-On Server in a cluster mode along with a Apache Proxy Server.
Step1 - I'm planning to install OracleAS Single Sign-On Server on two nodes sso1.oracle.com and sso2.oracle.com in a Cluster. Both the nodes in the cluster accesed via Load balancer i.e sso.oracle.com.
Step2 - Then I'm planning to setup two Apache Servers as Proxy Server i.e apache1.oracle.com and apache2.oracle.com. These two apache servers are accessed via Load balancer i.e apache.oracle.com
The question I have is
1)while setting up OracleAS Single Sign-On cluster I would provide Load balancer host i.e sso.oracle.com as part of the install. So that all the user requests coming to sso1.oracle.com/sso2.oracle.com get redirected back to Load balancer.
2)But as part of the Apache Server proxy setup I am also supposed to redirect from SSO server to apache.oracle.com
But using ssocfg.sh I can only provide either sso.oracle.com or apache.oracle.com NOT BOTH.
In this case what I should
1) avoid redirecting to sso.oracle.com instead redirect only to apache server OR are there any other methods to configure.
I have above setup working fine in DEV environment, where there is only one sso server and one apache proxy server. Problem really comes when I go for setting OSSO server as a cluster in this case I have to redirect to load balancer as well as proxy server?

why not using webcacheclustering between the apache and the 2 sso's?

Lync 2013 Whiteboard attach picture with proxy server

Hi all,
After solving the issue with WAC server, I able to present PowerPoint slide. Attaching picture in Whiteboard still a issue remained (Blank after attach pic).
After few troubleshooting problem exist at IE proxy. If I remove the proxy, I can see the image attached .
I had try to put the WAC server IP and name in the proxy exception list but problem still remained.
Any suggestion?
Thanks and Regards,
Low
http://social.technet.microsoft.com/Forums/en-US/d52cea5b-7370-4293-9a7c-a3b4f5b32185/lync-2013-whiteboard-attach-picture-and-power-point-issue?forum=lyncconferencing

Publish WAC Server on your proxy server, you can refer below link
http://blogs.technet.com/b/dodeitte/archive/2013/11/10/issue-with-office-web-apps-server-2013-published-externally-using-tmg-2010.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"
Mai Ali | My blog: Technical

WSA Deployment with existing MS TMG Proxy Server

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