I am facing a strange problem in using HttpClient with ISA proxy server that
supports NTLM.
The program I wrote successfully authenticate to proxy using NTLM and
retrieve pages if I connect to any external website (ex: www.yahoo.com) both
using Http and Https (SSL).
The same program through same proxy also works fine, if I connect to an
internal host within our same corporate domain, if I use Http. However, it
gives 502.2 Bad Gateway error if I connect to the same host using Https
(SSL).
I am able to successfully connect to that internal host using normal browser
(IE) using both Http and Https (using same proxy).
Any help on this is highly appreciated.
The code I used is as follows:
HttpClient client = new HttpClient();
HostConfiguration config = client.getHostConfiguration();
config.setProxy(proxyHost, proxyPort);
NTCredentials credentials = new NTCredentials(userName, password, host,
domain);
HttpState state = client.getState();
state.setProxyCredentials(domain, proxyHost, credentials);
GetMethod httpget = new GetMethod("https://hostname/";);
httpget.setDoAuthentication(true);
int status = client.executeMethod(httpget);
System.out.println(httpget.getStatusLine().toString());
....
finally release connection..
Regards,
hari
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