10.5 Server VPN L2TP racoon cannot connect to socket

So there is another thread that didn't specify a fix and I'm hoping we can get this thing resolved.
OS X 10.5.8 Server with ports forwarded through firewall and landing on this box was working perfectly. It randomly has stopped and the vpnd.log is reporting...
Unable to connect racoon control socket (errno = 61)
This error happens about every second or so if VPN is enabled.
I have tried changing the subnet, disabling and re-enabling of L2TP, but nothing it working. I believe there is a stuck process that cannot die.
I'm assuming a reboot would resolve this, but this is a product system hosting other critical services and rebooting is not an easy process.
Thoughts?

This is also happening to me, but on 10.6.2. I have restarted, changed subnet range, changed the shared secret, but I continue to get the EDT Unable to connect racoon control socket (errno = 61). I have had the same experience as Grant, but everything I try does not work. Has anyone resolve their issues with this error?

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All,
Setting up a new OSX Snow Leopard server. The server is NOT running the firewall service. I created an L2TP VPN, with PPTP. PPTP works fine... however I am unable to connect to the L2TP.
I receive the error: The L2TP-VPN server did not respond. Try reconnecting, if the problem continues, verify your settings.
The server is behind an apple airport N router. I've tried connecting from both inside and outside (outside I mapped ports UDP 1701, 4500, and 500) with no luck. I even tried creating a VPN connection from the actual server to itself, and get the same error.
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I too since yesterday am having the same issue. It's as if the L2TP tunnel is not making it thru the Airport N DualWireless to the MacMini server. It was running just fine up until yesterday when I installed Security Update 2010-001 v1.0. I can use PPTP outside my network all day long and I can even use L2TP from inside my network just fine so I know the server is responding to local requests. I have tried from cell modem, client T1, client cable internet with no joy. I have rebooted AEBS & Server with no results. When trying L2TP from outside LAN and watching log in realtime it does not even show it's trying. I had this issue once before when I had mobileme "back to my mac" turned on and it was causing an issue but it's off and hasn't been on in some time. I suspect the update. Did you install that update?

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Do you mean VPN? (That's a method for connecting to another network securely, and does indeed require a shared secret to connect using the L2TP method.)
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I get the error messages: "Server not found" or "Cannot connect to Server" and thus cannot print. I don't even know what a server is.

Hello: I am not computer savvy.
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ASA Remote Access VPN: internal LAN cannot connect to connected VPN clients

Hi community,
I configured IPSec remote Access VPN in ASA, and remote client use Cisco VPN client to connect to the HQ. The VPN is working now, VPN clients can connect to Servers inside and IT's subnet, but from my PC or Servers inside LAN cannot ping or initial a RDP to connected VPN clients. Below is my configuration:
object-group network RemoteVPN_LocalNet
network-object 172.29.168.0 255.255.255.0
network-object 172.29.169.0 255.255.255.0
network-object 172.29.173.0 255.255.255.128
network-object 172.29.172.0 255.255.255.0
access-list Split_Tunnel remark The Corporation network behind ASA
access-list Split_Tunnel extended permit ip object-group RemoteVPN_LocalNet 10.88.61.0 255.255.255.0
ip local pool remotevpnpool 10.88.61.10-10.88.61.15 mask 255.255.255.0
nat (inside,outside) source static Allow_Go_Internet Allow_Go_Internet destination static remotevpnpool remotevpnpool
crypto ipsec ikev1 transform-set myset esp-aes esp-sha-hmac
crypto dynamic-map dyn1 1 set ikev1 transform-set myset
crypto map mymap 65000 ipsec-isakmp dynamic dyn1
crypto map mymap interface outside
tunnel-group remotevpngroup type remote-access
tunnel-group remotevpngroup general-attributes
address-pool remotevpnpool
authentication-server-group MS_LDAP LOCAL
default-group-policy Split_Tunnel_Policy
I don't know what I miss in order to have internal LANs initial connection to connected vpn clients. Please guide me.
Thanks in advanced.

Hi tranminhc,
Step 1: Create an object.
object network vpn_clients
subnet 10.88.61.0 mask 255.255.255.0
Step 2: Create a standard ACL.
access-list my-split standard permit ip object RemoteVPN_LocalNet
Step 3: Remove this line, because I am not sure what "Allow_Go_Internet" included for nat-exemption.
no nat (inside,outside) source static Allow_Go_Internet Allow_Go_Internet destination static remotevpnpool remotevpnpool
Step 4: Create new nat exemption.
nat (inside,outside) source static RemoteVPN_LocalNet RemoteVPN_LocalNet destination static vpn_clients vpn_clients
Step 5: Apply ACL on the tunnel.
group-policy Split_Tunnel_Policy attributes
split-tunnel-policy tunnelspecified
split-tunnel-network-list value my-split
Step 6:
I assume you have a default route on your inside L3 switch point back to ASA's inside address. If you don't have one.
Please add a default or add static route as shown below.
route 10.88.61.0 mask 255.255.255.0 xxx.xxx.xxx.xxx
xxx.xxx.xxx.xxx = equal to ASA's inside interface address.
Hope this helps.
Thanks
Rizwan Rafeek

OSX Server VPN L2TP secure?

i am using osx server v2.21 (169) and using the L2TP with shared key VPN to connect my iphone to my home server, and browse through my home internet connection...
i have read numerous articles on the internet, and some here on the apple support communities that say L2TP VPN on OSX Server is not secure....
is that really the case?
thanks

There is no perfect security. Ever.   A sufficiently determined attacker can and will succeed against anything you can do, given that sooner or later somebody involved will make an opsec mistake somewhere. Or the existing attacks against MD5, RC4 and SSL/TLS security — attacks including BEAST, CRIME Lucky 13, etc — will continue to be "weaponized".
Firewalls and VPNs only get you so far, and it's common for attackers to use a variety of attacks to try to breach those; to bypass the network security. So-called "spearphishing" tries to get somebody on the network to breach security for the attacker. The best VPN and the best firewall are worth nothing if you have Java lit in your web browser and the Java JVM sandbox gets breached (again), or if you receive and open a document that contains malware, for instance.
Facebook and other entities were recently breached using what was known as a watering hole attack, and that was only spotted based on detecting "odd" out-bound network traffic. The attack got around the firewalls and the VPNs and the rest of the security, and was active on the organizations' internal networks.
If you're securing nuclear secrets or large sums of money or exceedingly embarassing or sensitive data, then you definitely and certainly do need to focus on this stuff, and you're going to be spending time and effort and money on making your organization harder (emphasis on harder) to attack. But attacks will continue.
If you're dealing with a home network or a typical a small business network, then you just don't want to be the lowest of the low-hanging fruit around, and you want to avoid opsec mistakes such as open ports or weak passwords, and you don't want to give the good folks of the Internet reasons to attack you.   You want to be not worth attacking, or not as "fun" and not as valuable to attack.
Even if your security is not attacked, a DDoS can still ruin your day.
As I've mentioned elsewhere, I much prefer using a VPN server in a gateway-firewall-router device — as VPNs and NAT don't mix very well — and I do use private certificate authority chains.    But in terms of attacks? Keep your software and your security current, review your logs and your rules, DMZ any services you provide to "outside", maintain and verify backups — those backups can be your recovery path from a breach — and start looking at "odd" or "unexpected" outbound traffic, too. VPNs are just part of avoiding the mess of a cleanup.

OIM 11g Server Configuration Wizard Error - Cannot Connect to Oracle DB

I appreciate any and all suggestions or thoughts on how to best continue troubleshooting this error that I am describing below.
I am attempting to install Oracle Identity and Access Management Suite 11g on a Windows 7 machine…in following the installation guides I have successfully installed the following Oracle Components
- Oracle Database 11.2.0.1.0
- Created Schemas using RCU 11.1.1.3.3
- Oracle WebLogic Server 10.3.3.0
- Oracle SOA 11.1.1.2.0
- Oracle SOA 11.1.1.3.0 (Patch Set)
- Oracle IAM SUITE 11.1.1.3.0
Following the above installations, I created a new WebLogic Domain and as the next step am running the OIM Configuration Wizard to configure the OIM Server, however I am unable to setup a connection to the Oracle DB via the OIM Configuration Wizard. I am getting an error message when attempting to setup the connection to the Oracle Database using the OIM 11g Server Configuration Wizard:
ERROR:*
INST:6102 Unable to connect to the database with the given credentials.
*+[DETAILS] Check the values. Make sure the Database is up and running and connect string, user name, and password are correct.+*
INST:6102 Unable to connect to the database with the given credentials.
*+[DETAILS] Check the values. Make sure the Database is up and running and connect string, user name, and password are correct.+*
When installing the Oracle Database 11gR2 I used the following install configuration:
Oracle base: C:\MyApps\Oracle
Software location: C:\MyApps\Oracle\DB_HOME\11.2.0\dbhome_1
Database file location: C:\MyApps\Oracle\DB_HOME\oradata
Database Edition: Personal Edition (3.27 GB)
Character Set: Unicode (AL32UTF8)
Global database name: orcl.dev.com
Administrative Password: Password1
Confirm Password: Password1
When creating my Schemas using RCU 11.1.1.3.3 I used the following Database Connection Details
DB TYPE: Oracle Database
HOST NAME: localhost
PORT: 1521
SERVICE NAME: orcl.dev.com
USERNAME: sys
PASSWORD: Password1
ROLE: SYSDBA
I used a Prefix of “DEV” when creating the schemas so Schema Owners DEV_OIM and DEV_MDS where created. Also, I configured to use the same password for all Schemas: “Password1″. So the password for DEV_OIM and DEV_MDS should be the same, “Password1″.
REPRODUCING THE ERROR
To reproduce the error, when I launch the Oracle Identity Management 11g Configuration Wizard I am first brought to the “Welcome” Screen. I click the [Next>] button.
Next, I am on the “Components to Configure” screen where I select OIM Server and OIM Design Console and click the [Next>] button. (NOTE I have also tested by simply selecting only the OIM Server)
Next, I am on the “Database” screen where I enter the connection information
Connection String: localhost:1521:orcl.dev.com
(NOTE I have also tested using localhost:1521:orcl)
OIM Schema User Name: DEV_OIM
OIM Schema Password: Password1
MDS Schema User Name: DEV_MDS
MDS Schema Password: Password1
When I click the [Next>] button after entering the Database Connection details I encounter the following two errors (1 error for each logon DEV_OIM and DEV_MDS)
INST:6102 Unable to connect to the database with the given credentials.
INST:6102 Unable to connect to the database with the given credentials.
TROUBLESHOOTING
NOTE: I can successfully start the Oracle DB Services and connect via the Enterprise Console, SQL Plus, and JDBCTest Java Client…I just cannot get past this connection error in the OIM Server Configuration Wizard.
JDBCTest.java TEST CLIENT
NOTE: THIS IS THE JAVA TEST CLIENT THAT I AM USING TO TEST DATABASE CONNECTIVITY THRU A SPECIFIED JDBC URL AND DRIVER THAT WORKS SUCCESSFULLY.*
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
public class JDBCTest {
public static void main(String[] args) throws Exception {
String url = "jdbc:oracle:thin:@localhost:1521:orcl";
String driver = "oracle.jdbc.OracleDriver";
String user = "DEV_OIM";
String password = "Password1";
try {
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, user, password);
// Get the MetaData
DatabaseMetaData metaData = conn.getMetaData();
// Get driver information
System.out.println("");
System.out.println("#########################################");
System.out.println("# ***DRIVER INFORMATION***");
System.out.println("#");
System.out.println("# Driver Name = " + metaData.getDriverName());
System.out.println("# Driver Version = " + metaData.getDriverVersion());
System.out.println("#");
System.out.println("#########################################");
System.out.println("");
System.out.println("");
// Get database information
System.out.println("#########################################");
System.out.println("# ***DATABASE INFORMATION***");
System.out.println("#");
System.out.println("# Database Product Name = " + metaData.getDatabaseProductName());
System.out.println("# Database Product Version = " + metaData.getDatabaseProductVersion());
System.out.println("#");
System.out.println("#########################################");
System.out.println("");
System.out.println("");
// Get schema information
ResultSet schemas = metaData.getSchemas();
System.out.println("#########################################");
System.out.println("# ***SCHEMA INFORMATION***");
System.out.println("#");
System.out.println("# Schemas:");
while (schemas.next()) {
System.out.println("# " + schemas.getString(1));
System.out.println("#########################################");
System.out.println("");
System.out.println("");
// Get table information
System.out.println("Tables");
ResultSet tables = metaData.getTables("", "", "", null);
while (tables.next()) {
System.out.println(tables.getString(3));
conn.close();
} catch (Exception ex) {
ex.printStackTrace();
*"lsnrctl status" COMMAND TEST SUCCESSFUL*
When the Listener Service is on I get the following output using lsnrctl status command
C:\> lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 21-SEP-2010 15:59:43
Copyright (c) 1991, 2010 Oracle. All rights reserved.
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows:Version 11.2.0.1.0 - Production
Start Date 21-SEP-2010 14:43:57
Uptime 0 days 1 hr. 15 min. 46 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File C:\MyApps\Oracle\DB_HOME\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora
Listener Log File c:\myapps\oracle\diag\tnslsnr\\listener\alert\log.xml
Listening Endpoints Summary…
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary…
Service “CLRExtProc” has 1 instance(s).
Instance “CLRExtProc”, status UNKNOWN, has 1 handler(s) for this service…
Service “orcl.dev.com” has 1 instance(s).
Instance “orcl”, status READY, has 1 handler(s) for this service….
Service “orclXDB.dev.com” has 1 instance(s).
Instance “orcl” status READY, has 1 handler(s) for this service…
The command completed successfully

Whenever installing oracle databases, i install the software only first. Then i setup the listener. Then i create a database instance using the dbca tool. This way all the information is added to the pre-existing listener configurations rather than trying to create the listener afterwards. Also, during the dbca database creation, i supply a full service name such as orcl.hostname and use the service name in future configurations where it asked. This usually solves any issues of the listener or database not being found correctly.
-Kevin

Newbie Windows VPN with 851 Cannot connect

I replaced my Netgear FVS318 with the Cisco 851w in my home office. I VPN using the standard Windows VPN client. This worked fine with the Netgear, but 851 seems to be blocking something. It looks like it is connecting, but times out on the User Name and Password Login. Any idea what I need to allow or not disallow to make this happen? I think I have turned on every application policy related to VPN, but no luck so far.

Hello.
make sure u don't block GRE in any acl's
Tim

Accessing MS Sql Server with Java classes - problem connecting to socket

I found an example at this location which uses java classes to connected to MS Sql Server.
http://search400.techtarget.com/tip/1,289483,sid3_gci1065992,00.html
--bummer - it is a login location - so I will include the article
Anyway, the example is using Websphere, but I am still on Jbuilder (will get wsad soon). So I planted the classes from the example in
C:\Borland\JBuilder\jkd1.4\jre\lib\ext\...the classes
Then I copied the code from the example to my jpx project and got an error that it could not connect to the socket. The only thing I changed in the code was the connection string:
--original string from example:
Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://1433", "");
I was getting an error with the 2 argument version of DriverManager - and the second argument here was empty (properties argument). Here was my connection string:
Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://Myserver:1433;User=sa;Password=");
I am only using the 1 argument version of DriverManager. Note that the password=" is blank because my RnD workstation is standalone - no one accesses the sql server except me - so no password. I also left out the last semicolon I noticed. Any suggestions appreciated how I could fix this.
Thanks
source of article:
http://search400.techtarget.com/tip/1,289483,sid3_gci1065992,00.html
iSeries 400 Tips:
TIPS & NEWSLETTERS TOPICS SUBMIT A TIP HALL OF FAME
Search for: in All Tips All search400 Full TargetSearch with Google
PROGRAMMER
Sample code: Accessing MS SQL Server database from the iSeries
Eitan Rosenberg
09 Mar 2005
Rating: --- (out of 5)
Nowadays with the help of Java the iSeries can be integrated with other databases quite easy. This tip shows you how. The code included here uses the free Microsoft driver that can be downloaded from here. (SQL Server 2000 Driver for JDBC Service Pack 3)
If your SQL server does not include the Northwind Sample Database you can find it here.
http://www.microsoft.com/downloads/details.aspx?familyid=07287b11-0502-461a-b138-2aa54bfdc03a&displaylang=en
The download contains the following files:
msbase.jar
mssqlserver.jar
msutil.jar
Those files needs to be copied to the iSeries directories (/home/r_eitan/ExternalJARs).
Here's the directory structure (on the iSeries) for this sample:
/home/r_eitan/ExternalJARs - Microsoft files (msbase.jar,mssqlserver.jar,msutil.jar)
/home/r_eitan/JdbcTest02 - My code (Main.java,Main.class)
The Java code
import java.sql.*;
import java.io.*;
class Main {
* Connect to Microsoft SQL server and download file northWind.products as tab
* seperated file. (products.txt)
public static void main(String args[]) {
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Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
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Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://Myserver:1433;User=sa;Password=");
System.out.println("Connection Done");
connection.setCatalog("northWind");
String sqlCmdString = "select * from products";
Statement statement = connection.createStatement();
ResultSet resultSet = statement.executeQuery(sqlCmdString);
ResultSetMetaData resultSetMetaData = resultSet.getMetaData();
int columnCount = resultSetMetaData.getColumnCount();
// Iterate throught the rows in resultSet and
// output the columns for each row.
while (resultSet.next()) {
for (int index = 1; index <=columnCount; ++index)
String value;
switch(resultSetMetaData.getColumnType(index))
case 2 :
case 3 :
value = resultSet.getString(index);
break;
default :
value = """ + resultSet.getString(index) + """;
break;
outPut.print(value + (index < columnCount ? "t" : ""));
outPut.println();
outPut.close();
resultSet.close();
connection.close();
System.out.println("Done");
catch (SQLException exception)
exception.printStackTrace();
catch (Exception exception)
exception.printStackTrace();
--------------------------------------------------------------------------------------------------

My guess is that the server's host name isn't right. It necessarily (or even usually) the "windows name" of the computer. Try with the numeric IP address instead (type "ipconfig" to see it).
First aid check list for "connection refused":
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- Check port number in connect string.
- Try numeric IP address of server host in connect string, in case name server is hosed.
- Are there any firewalls between client and server blocking the port.
- Check that the db server is running.
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My computer/Mail program cannot connect to my business mail server.

Suddenly my mailboxes time out from all computers at my house to my mail server. Also, browsers cannot connect to the server to see my website, and I cannot connect directly to my webmail application to bypass Mail. Nothing has changed, but suddenly we are cutoff from our server. I have tried restarting my Airport Extreme, flushing the DNS cache on the computer and screaming at my network admin guy. Nothing is working. My webmaster has no trouble reaching the website or the webmail portal. Only seems to be happening here at this location. Any ideas??

Have you tried restarting/resetting the router?

Basically, I failed to login to an ftp server by typing the password wrong. Now I cannot connect to the website at all. What can I do to fix this?

Pretty much what the question says, I managed to type the password wrong when trying to connect to an ftp server and now I cannot connect to the whole website.

Try to clear the Active Logins (Authenticated Sessions) via Tools > [[Clear Recent History]]

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After installing iCS 2.1, iCS 2.1p1, and iCS 2.1p3, a user will receive the
following error message when trying to start the server:

Fatal error: Cannot connect to user group ldap server.

In addition, the Directory Server access logs will contain the following
entry:

-0400] conn=125 op=1 SRCH base="dc=ldgw-llc,dc=com" scope=2
filter="(objectclass=People)"
In the server.conf file,
check the local.enduseradmindn
parameter. The parameter
should appear as follows:

uid=admin,ou=Administrators,ou=TopologyManagement,o=NetscapeRoot

If the parameter contains
"calmaster" or any user
other than "admin,"
change it to match the line above.

Hi,
I am getting the same error, kindly let me know how did you solved this problem
Thanks
Ahmad

When I hit the e-mail icon on iPad air I always get "cannot connect to server".

However, in a couple of seconds the e-mails load up just fine. It seems as though the iPad is not waiting long enough for the server before giving the "cannot connect" message. Is there a fix for this?

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
Setting up and troubleshooting Mail
http://www.apple.com/support/ipad/assistant/mail/
Using a POP account with multiple devices
http://support.apple.com/kb/ht3228
iOS: Adding an email account
http://support.apple.com/kb/HT4810
iOS: Setting up an Outlook.com, Hotmail, Live, or MSN email account
http://support.apple.com/kb/ht1694
Server does not allow relaying email error, fix
http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/
Why Does My iPad Say "Cannot Connect to Server"?
http://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.html
How to Sync Contacts with Your iPad Using iTunes
http://www.dummies.com/how-to/content/how-to-sync-contacts-with-your-ipad-using- itunes.html
iOS: 'Mailbox Locked', account is in use on another device, or prompt to re-enter POP3 password
http://support.apple.com/kb/ts2621
The iPad's Mail app has no provisions for creating groups. However, you can use a third party app that many users recommend.
MailShot - https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8
Group Email - https://itunes.apple.com/us/app/group-email!-mail-client-attachments/id380690305 ?mt=8
iPad Mail
http://www.apple.com/support/ipad/mail/
Configuration problems with IMAP e-mail on iOS with a non-standard SSL port.
http://colinrobbins.me/2013/02/09/configuration-problems-with-imap-e-mail-on-ios -with-a-non-standard-ssl-port/
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
Or this - Delete the account in Mail and then set it up again. Settings->Mail, Contacts, Calendars -> Accounts Tap on the Account, then on the red button that says Remove Account.
 Cheers, Tom

Cannot connect MacOS X server to an Active Directory

Hello,
My XServe Intel, running OS X Server 10.4.9, cannot connect to our Active Directory. Phase 1 to 4 seems ok but the 5th never ends. I have to force Directory Access to quit and then reboot because Admin Server doesn't respond too. I tried 3 times.
It works well with a MacOS X server running on a G5 or with a MacOS X client.
The XServe is connected to the network using the 2 Ethernet ports agregation.
It was a problem launching OpenDirectory under 10.4.8 but 10.4.9 solve this issue.
Could there be the same problem on 10.4.9 with an AD connection through a dual gigabit Ethernet Link ?
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The solution for anyone who has the same problem.
Return to standalone server, erase the "DirectoryService" folder and the "edu.mit.kerberos" in Library/Preferences and the "krb5.keytab" file in /etc, then reboot.
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Configure as "OpenDirectory Master" again in Admin Server.
AD's users are now visible in the Workgroup Manager and could be nested into OpenDirectory groups to give them specific rights on the shares.

Cannot connect to DB from a client computer

Hi,
I installed 11gR2 last week and can access it from the DB server. However I cannot connect to the DB from my laptop :-(
==============================================================
C:\Users\jchen>tnsping jchen_dev
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 20-MAY-2011 11:55:49
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
C:\app\jchen\product\11.2.0\client_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = jchen-desktop.us.responsys.com)(PORT = 1521))) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = jchendev.us.responsys.com)))
TNS-12535: TNS:operation timed out
C:\Users\jchen>
C:\Users\jchen>ping jchen-desktop.us.responsys.com
Pinging jchen-desktop.us.responsys.com [172.19.192.132] with 32 bytes of data:
Reply from 172.19.192.132: bytes=32 time=3ms TTL=64
Reply from 172.19.192.132: bytes=32 time=1ms TTL=64
Reply from 172.19.192.132: bytes=32 time=1ms TTL=64
Reply from 172.19.192.132: bytes=32 time=1ms TTL=64
Ping statistics for 172.19.192.132:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 3ms, Average = 1ms
C:\Users\jchen>
===========================================================
If I do the same thing on DB server, I got:
========================================================
[oracle@jchen-desktop ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 20-MAY-2011 11:49:29
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 16-MAY-2011 10:52:05
Uptime 4 days 0 hr. 57 min. 23 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/jchen-desktop/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=jchen-desktop.us.responsys.com)(PORT=1521)))
Services Summary...
Service "jchendev.us.responsys.com" has 1 instance(s).
Instance "jchendev", status READY, has 1 handler(s) for this service...
Service "jchendevXDB.us.responsys.com" has 1 instance(s).
Instance "jchendev", status READY, has 1 handler(s) for this service...
The command completed successfully
[oracle@jchen-desktop ~]$
[oracle@jchen-desktop ~]$ tnsping jchendev
TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production on 20-MAY-2011 11:51:15
Copyright (c) 1997, 2009, Oracle. All rights reserved.
Used parameter files:
/u01/app/oracle/product/11.2.0/db_1/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = jchen-desktop.us.responsys.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = jchendev.us.responsys.com)))
OK (40 msec)
[oracle@jchen-desktop ~]$
================================================================
I am totally lost... What is going on here?
Any help is highly appreciated!
James

but I can ping the server and ssh to the server from my laptop...certain ports can be opened through FireWall while all others remain closed.
Listener accepts initial connection request on Port #1521 & then completes request on random high port
use of Wire Shark or similar packet sniffer can answer the mystery

10.5 Server VPN L2TP racoon cannot connect to socket

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