Client connecting through a proxy

hi
i'm new to RMI programming, i need to clear some things up
. is RMI a standalone protocol like http or does it require another protocol so
it can run over it ?
. how does an RMI connection get through a proxy server, ie. if the client is behind a proxy server and the server is a known public host, can the client still get to the server, or does this have to be done in the proxy configuration?
Is there certain types of proxy servers RMI can't go through or ( they won't let it pass through ) .
i need those infos because i've been stuck with an RMI server deployed on the net and a client behind a web proxy, the same box ( IP ) hosting the RMI server also hosts a WEB server from which javaWS starts the application but this application exits at a certain point sayin it cannot find the RMI server.
i didn't have the chance to test through a direct connection, but have tested
in an intranet environment and it was workin great,
thanks for any help

. is RMI a standalone protocol like http or does it
require another protocol so
it can run over it ?The question doesn't make much sense. HTTP runs over TCP, and so does RMI. RMI also uses the Serialization protocol.
how does an RMI connection get through a proxy
server, ie. if the client is behind a proxy server
and the server is a known public host, can the
client still get to the server, or does this have to
be done in the proxy configuration?http://java.sun.com/j2se/1.5.0/docs/guide/rmi/faq.html#firewallOut
s there certain types of proxy servers RMI can't go
through or ( they won't let it pass through ) .Java supports SOCKS and HTTP proxies.

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Hi,
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A very strange behavior is observed.
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OK I spoke too soon. The user looked like it was working but it was working because it matched another IAS policy further down the list. It seems as though the PIX refuses to use ms-chap of any sort. If I include the authentication type in the VPN policy conditions as ms-chap, it skips the VPN policy I am using to authenticate this. If I remove it, then it gives an invalid authentication type as if whatever the PIX is sending the IAS server does not understand as ms-chap.
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Problem with socket connections through a proxy server.

People,
I set the system properties to use a proxy server so my application can fetch data from servers located outside my local network:
System.setProperty("socksProxyPort", port);
System.setProperty("socksProxyHost", proxy_addy);Then, when I attempt to stabilish a connection:
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I appreciate any help since my available Java documentation is quite obscure regarding proxy servers.

Is the proxy on another machine? Try it's IP. If
not, replace 'proxy' with 'localhost'.
- SaishYes, it is another machine.
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Connecting through HTTP Proxy

How can I make connection to a port of some remote server when I am connected to internet using HTTP Proxy?

If you are going to use the URL object then set your proxy IP and Port in your system properties before you create your URL object.
For example:
System.getProperties().put( "proxyHost", proxyIp );
System.getProperties().put( "proxyPort", proxyPort );
URL url = new URL("http://www.foo.com" );

How can i access web when i am connected through a proxy?

HI,
I am rakesh from bangalore. I want to know how can i access web when i am connected to internet throug a proxy. are there any classes to handle this in java.net package?
Thanking you
Rakesh

the URL class can also handle a proxyserver.
URL urlobj = new URL("http", proxyhost, proxyport, url);

Installing an application (adium x 0.89/msn) + connecting through proxy

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why don't i just use microsoft messenger for mac 5.1 then? you might ask..
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pls enlighten on the above issues, and hopefully provide a solution.

oh come on im sure someone knows sth abt this...
installing any program in /mactintosh hdd/applications
vs /user/applications
........

How many clients can connect through cisco AP 1310 in wireless network ?

I had setup wireless network with
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WIRELESS > 802.11 > RRM
How can do that setting ? Can you reply with
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How to use Axis to access a web service through Authentication proxy

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please help me ,thank you!!!
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import javax.xml.namespace.QName;
//this is my access webservice faliure   codes
public class TestClient
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            System.getProperties().setProperty("http.proxyHost","proxy.com");
            System.getProperties().setProperty("http.proxyPort", "8080");
            System.getProperties().setProperty("http.proxyUser", "username");
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I am also looking for a solution. Does any one know how to do through code instead of jvm settings?
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ConfigMgr Clients connection over direct access.

My test client machine is running Windows 8.1 and connecting to network through Direct Access. I am running SCCM 2012 R2 on Windows Server 2012.
Test Machine: NYWIN8
SCCM Server: SCCM01
Domain: demo.local
I would like to understand how configmgr handles clients connecting through direct access. What all functionality is available for such clients?
On my client machine is see following errors:
FSPSTATEMESSAGE.LOG
Failed in WinHttpSendRequest API, ErrorCode = 0x2ee7
[CCMHTTP] ERROR: URL=HTTP://SCCM01.demo.local/SMS_FSP/.sms_fsp, Port=80, Options=480, Code=12007, Text=ERROR_WINHTTP_NAME_NOT_RESOLVED
POLICYAGENT.LOG
Policy
http://SCCM01.demo.local/SMS_MP/.sms_pol?WRC10000.SHA256:BE60C5A54E508758261E6EDAE80AB21576A214309B9E1E19EE1D5A96C4508EC4 is not available.
DATATRANSFERSERVICE.LOG
DTS job {E6FAADEE-F22E-4E89-92EE-C2D9C10C3056} BITS job {9C444FAB-FD3C-4A6B-B8A4-81DA159E4E45} failed to download source file
http://SCCM01.demo.local:80/SMS_MP/.sms_pol?WRC10000.SHA256:BE60C5A54E508758261E6EDAE80AB21576A214309B9E1E19EE1D5A96C4508EC4 to destination C:\Windows\CCM\Temp\{C9AA0DDC-BD37-442D-A00E-EE7404D47C12}.tmp with error 0x80190194
DTS job {E6FAADEE-F22E-4E89-92EE-C2D9C10C3056} BITS job {9C444FAB-FD3C-4A6B-B8A4-81DA159E4E45} partially completed 0/1 with error 0x80190194 context 5
Software Catalog Update Endpoint
Failed to open portal registry key 'Software\Policies\Microsoft\CCM'. maybe haven't been created yet. Error 0x80070002
WEDMTRACE.LOG
No CCM Identification blob
CAS.LOG
The number of discovered DPs(including Branch DP and Multicast) is 0
SMSCLIUI.LOG
Failed to set DNSSuffix value to the registry.
Are there any issues due to connecting using direct access?

When I try to deploy any software (7-ZIP or Notepad++) to this client I get following error:
The software change returned error code 0x87D00607(-2016410105).
I can deploy same software fine to other machines connecting on LAN.
Server Logs:
Portlctl
PORTALWEB's previous status was 0 (0 = Online, 1 = Failed, 4 = Undefined)
PORTALWEBs http check returned hr=0, bFailed=0
awbsctl
AWEBSVCs http check returned hr=0, bFailed=0
AWEBSVC's previous status was 0 (0 = Online, 1 = Failed, 4 = Undefined)
Client Logs:
CAS
The number of discovered DPs(including Branch DP and Multicast) is 0
CCMEVAL
Client's current MP is http://SCCM01.DEMO.local and is accessible
ClientLocation
Current AD forest name is Demo.local, domain name is Demo.local
Domain joined client is in Intranet
Rotating assigned management point, new management point [1] is: SCCM01.demo.local (7958) with capabilities: <Capabilities SchemaVersion="1.0"><Property Name="SSLState" Value="0"/></Capabilities>
Assigned MP changed from <SCCM01.demo.local> to <SCCM01.demo.local>.
ContentTransferManager
No data since 11/13/2013
CTM job {F6085C09-4C39-489E-A6F6-2C268398B7F2} successfully processed download completion.
DataTransfer
DTS job {B227AB6E-6D0F-4709-B8C6-AA8B66CBBE2D} BITS job {AE61D01C-E251-45FA-8B2C-2E22DDD91016} failed to download source file
http://SCCM01.demo.local:80/SMS_MP/.sms_pol?WRC10000.SHA256:BE60C5A54E508758261E6EDAE80AB21576A214309B9E1E19EE1D5A96C4508EC4 to destination C:\Windows\CCM\Temp\{22619283-47B1-445A-9262-C1FA54AD0F64}.tmp with error 0x80190194
DTS job {B227AB6E-6D0F-4709-B8C6-AA8B66CBBE2D} BITS job {AE61D01C-E251-45FA-8B2C-2E22DDD91016} partially completed 0/1 with error 0x80190194 context 5
Filebits
BranchCache Is Not Enabled
Failed to check PeerDistribution status. NOT able to do branch cache.
FSPSTATEMESSAGE
Failed in WinHttpSendRequest API, ErrorCode = 0x2ee7
[CCMHTTP] ERROR: URL=HTTP://SCCM01.demo.local/SMS_FSP/.sms_fsp, Port=80, Options=480, Code=12007, Text=ERROR_WINHTTP_NAME_NOT_RESOLVED
Successfully sent location services HTTP failure message.
InternetProxy
Failed to get proxy for url 'HTTP://SCCM01.demo.local/SMS_FSP/.sms_fsp'. Error 0x87d00215
InventoryAgent
Inventory: 9 Collection Task(s) failed.
SCCLIENT
Event maps to notification type = Application Enforcement Failed (Microsoft.SoftwareCenter.Client.Data.WmiConnectionManager at EventWatcher_EventArrived)
SMSCLIUI
Failed to set DNSSuffix value to the registry.
IPCONFIG /ALL from CLIENT:
Windows IP Configuration
   Host Name . . . . . . . . . . . . : NYWIN8
   Primary Dns Suffix . . . . . . . : demo.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : demo.local
   System Quarantine State . . . . . : Not Restricted
Ethernet adapter vEthernet (Internal):
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Adapter #3
   Physical Address. . . . . . . . . : 00-15-5D-01-0B-07
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::d3f:4e51:c648:7b26%26(Preferred)
   Autoconfiguration IPv4 Address. . : 169.254.123.38(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.0.0
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 872420701
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-EA-A9-CE-E0-DB-55-D2-5E-59
   DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
                                       fec0:0:0:ffff::2%1
                                       fec0:0:0:ffff::3%1
   NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter vEthernet (External):
   Connection-specific DNS Suffix . : home
   Description . . . . . . . . . . . : Hyper-V Virtual Ethernet Adapter #2
   Physical Address. . . . . . . . . : 84-A6-C8-AF-03-DE
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::9cb5:5132:1f47:e7c6%24(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Thursday, January 2, 2014 1:27:53 PM
   Lease Expires . . . . . . . . . . : Saturday, January 4, 2014 12:27:55 PM
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DHCPv6 IAID . . . . . . . . . . . : 730113736
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-EA-A9-CE-E0-DB-55-D2-5E-59
   DNS Servers . . . . . . . . . . . : 192.168.1.1
   NetBIOS over Tcpip. . . . . . . . : Enabled
Wireless LAN adapter Local Area Connection* 3:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
   Physical Address. . . . . . . . . : 84-A6-C8-AF-03-DF
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Bluetooth Network Connection:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
   Physical Address. . . . . . . . . : 84-A6-C8-AF-03-E2
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Ethernet:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . : home
   Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
   Physical Address. . . . . . . . . : E0-DB-55-D2-5E-59
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.home:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . : home
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
Tunnel adapter iphttpsinterface:
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : iphttpsinterface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : fd64:fc00:d17b:1000:e1a7:9cc8:c3c7:d819(Preferred)
   Temporary IPv6 Address. . . . . . : fd64:fc00:d17b:1000:c598:7f17:e286:369d(Preferred)
   Link-local IPv6 Address . . . . . : fe80::e1a7:9cc8:c3c7:d819%10(Preferred)
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 369098752
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-EA-A9-CE-E0-DB-55-D2-5E-59
   NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter isatap.{DC7D2C63-1506-49EC-A40F-AA4E56DE4001}:
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Since I've downloaded and installed OS X Mavericks I cannot browse from Safari through the proxy server except for Apple's site

I have a brand new MBP 15" Retina display. Decided to download and install OSX Mavericks before I did any other setup. However since I've done this installation the only website I seem able to browse is Apple's. Google just keeps coming up not able to connect through the proxy. I still have tons to do and need to be able to access a number of websites. I also cannot get to the App Store.
Does OSX Mavericks have an issue with proxy servers?
I am writing this on my MBP 13" Retina display on which I have NOT upgraded to OSX Mavericks and I am having no issues at all.
Help please?

System Preferences / Security & Privacy / General tab / Allow apps downloaded from:
Change the settings.

Post Moved Cannot-connect-through-anonymous-prox...

Post moved to Other BB Queries http://community.bt.com/t5/Other-BB-Queries/Cannot-connect-through-anonymous-proxy/td-p/650446
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

You could try reading about wingates, socks and proxies (oh before i forget, turn off java, javascript, cookies, what's related, and smart update ... if you are using IE you're not very smart). Also try installing a firewall, or DHCP or you can learn from me!Here is the info of best 10 proxy software, from which you may try: http://www.techyv.com/article/top-10-free-proxy-software

How to use RDP client through a proxy ?

Hi,
we have some users in our LAN that have to connect to external RDP servers.
Those servers don't use RDP Gateway (and we are not the owner of those servers).
We dont want to open specific trafic from our LAN to those IP Adress on port 3389; we prefer to let this trafic goes through our proxy server (for security reason, because the direct connection will not be supervised).
So, my question is : Is there a way to configure the RDP Client (the official one or another one) to connect through a local proxy instead of trying to directly connect to the external IP address of the RDP Server ?
Thank you

You could do this with an ssh tunnel and putty very easily. Most web proxies won't actually allow port forwarding like that and restricted to 80 and 443.
If you want to know how to do it with a ssh tunnel and putty let me know.
Opening outgoing 3389 from one internal subnet to specific external IP is not such a security risk. Just don't open inbound 3389 from those hosts and you should be fine?
I am not sure if outbound RDP will require inbound ports to be opened. Its quite rare that any external RDP is opened in my experience as its such a security risk (on the part of the external rdp hosts).
ITs much better to VPN to the external hosts then initiate local (via vpn) rdp connections.

BPC Connection Through Proxy

Deal All,
We could not connect BPC through proxy server. Can anybody let me know any specific setting required.
Best Regards
Shesh

Sorin,
Thank you so much for the reply.
I think you are saying that when I connect that when I am connecting directly to BPCWEB it is saying knows you are authenticated to the windows domain. But when it gets it from the proxy server it is now not you anymore the BPCWEB server sees it coming from the proxy server NOT the windows domain.
So instead of DOMAIN/userID connecting it is PROXY/userID connecting. BPC doesn't know you. This cannot be the first time this has been seen.
Do you know a way around this? I am currently using sapwebdispatcher as my reverse proxy here, however I do not mind trying other products.
Would you have any recommendations on what your other clients use as a reverse proxy for BPC.
To simply things, we have DOMAIN users ---> Reverse proxy box ---> BPC Web .NET Server. We want to eliminte the ability for direct access to the BPC web .NET Server
Thanks again... any help would be great as we have been struggling for a few weeks to get this silly access issue resolved.
Edited by: Russell Hull on Feb 20, 2010 7:24 PM

How can i create a socket connection through an http proxy

i'm trying to make a socket connection send an email - i have code that works when you don't have to go through a proxy server but i can't make it pass the proxy server.
import java.net.*;
import java.io.*;
import java.util.*;
public class Mail
public String to_address = "[email protected]";
public String from_address = "[email protected]";
public String sendSub = "HeHeHe";
public String sendBody = "hehehe - it worked";
// This is created to allow data to be read in by the keyboard.
BufferedReader in = new BufferedReader(
new InputStreamReader(System.in));
     private void Mail(String to_address, // recipient's addresses
String from_address, // sender's address
String sendSub, // subject
String sendBody) // Message
               throws IOException, ProtocolException,      UnknownHostException {
     Socket socket;                // creates a Socket named socket
     PrintStream out;               // stream to write to socket
     String host = "imap.btopenworld.com";          // identification of the mail server host
// creates a new socket for connection to the mail server
// as well as two variables for the read and write streams
     socket = new Socket(host, 25); // opens socket to host on port 25 (SMTP port)
     out = new PrintStream(socket.getOutputStream());
// read the initial message
     in.readLine();
// Dialog with the mail server
// send HELO to SMTP server HELO command is given by a connecting SMTP host
     out.println( "HELO " + host );
     out.flush() ;
     in.readLine();
// Once we are connected to the mail server we start sending the email...
// send "from"
     out.println( "MAIL FROM: " + from_address );
     out.flush() ;
     in.readLine();
// send "to"
     out.println( "RCPT TO: " + to_address );
     out.flush() ;
     in.readLine();
// prepare the mailserver to receive the data
     out.println( "DATA" );
     out.flush() ;
     in.readLine();
// Send actual email
     out.println("From: " + from_address);
     out.println("To: " + to_address);
     out.println( "Subject: " + sendSub + "\n" );
     out.flush() ;
     out.println("");
     out.println( sendBody ) ;
     out.println(".") ; // standard to determine end-of-body
     out.flush() ;
     in.readLine();
//Quit and closes socket
     out.println("QUIT");
     out.flush();
     in.close() ;
     socket.close() ;
     return ;
public static void main (String [] args) throws IOException
Mail themail = new Mail();
}

i've tried that but it doesn't seem to do nething - this is how i implemented it...
import java.net.*;
import java.io.*;
import java.util.*;
public class Mail
public String to_address = "[email protected]";
public String from_address = "[email protected]";
public String sendSub = "HeHeHe";
public String sendBody = "hehehe - it worked";
// This is created to allow data to be read in by the keyboard.
BufferedReader in = new BufferedReader(
new InputStreamReader(System.in));
     private void Mail(String to_address, // recipient's addresses
String from_address, // sender's address
String sendSub, // subject
String sendBody) // Message
               throws IOException, ProtocolException,      UnknownHostException {
     Socket socket;                // creates a Socket named socket
     PrintStream out;               // stream to write to socket
     String host = "imap.btopenworld.com";          // identification of the mail server host
// creates a new socket for connection to the mail server
// as well as two variables for the read and write streams
     socket = new Socket(host, 25); // opens socket to host on port 25 (SMTP port)
     out = new PrintStream(socket.getOutputStream());
// read the initial message
     in.readLine();
System.getProperties().put( "proxySet", "true" );
          System.getProperties().put( "proxyHost", "144.124.16.28" );
          System.getProperties().put( "proxyPort", "8080" );
// Dialog with the mail server
// send HELO to SMTP server HELO command is given by a connecting SMTP host
     out.println( "HELO " + host );
     out.flush() ;
     in.readLine();
// Once we are connected to the mail server we start sending the email...
// send "from"
     out.println( "MAIL FROM: " + from_address );
     out.flush() ;
     in.readLine();
// send "to"
     out.println( "RCPT TO: " + to_address );
     out.flush() ;
     in.readLine();
// prepare the mailserver to receive the data
     out.println( "DATA" );
     out.flush() ;
     in.readLine();
// Send actual email
     out.println("From: " + from_address);
     out.println("To: " + to_address);
     out.println( "Subject: " + sendSub + "\n" );
     out.flush() ;
     out.println("");
     out.println( sendBody ) ;
     out.println(".") ; // standard to determine end-of-body
     out.flush() ;
     in.readLine();
//Quit and closes socket
     out.println("QUIT");
     out.flush();
     in.close() ;
     socket.close() ;
     return ;
public static void main (String [] args) throws IOException
Mail themail = new Mail();
}

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