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A way to define / implement failover ldap servers in java code


A way to define / implement failover ldap servers in java code

By : Joana Oliveira
Date : November 28 2020, 11:01 PM
Hope that helps I have the following code for Ldap user authentication: , Just add multiple LDAP PROVIDER_URLs:
code :
// Specify list of [space-separated URL][1]s
env.put(Context.PROVIDER_URL, 
    "ldap://ourLdapServer " +
    "ldap://ourLdapServer2 " + 
    "ldap://ourLdapServer3 " +
    "ldap://ourLdapServer4");


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Specifying failover servers in c# webservice client

Specifying failover servers in c# webservice client


By : Cebo
Date : March 29 2020, 07:55 AM
may help you . We've generally built our own layer; I don't think the default generated client code does anything like this.
More often, we define a custom configSection and then add a bunch of key/value pairs in that section. Then, we round-robin through that list for each request.
How should I write JDBC url for Oracle with LDAP and two LDAP servers?

How should I write JDBC url for Oracle with LDAP and two LDAP servers?


By : ashutosh tiwari
Date : March 29 2020, 07:55 AM
wish helps you It was a driver!
Throw debugging I've found antother issue with String.concat() NPE Our driver (com.oracle ojdbc14 10.2.0.4.0 - found in MVN repo) doesn't suppor two o more URL's.
code :
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
    <!--common dataSource props -->
    <property name="driverClass" value="oracle.jdbc.driver.OracleDriver"/>
    <property name="jdbcUrl" value="jdbc:oracle:thin:@ldaps://oid0.wow.com:666/chost,cn=OracleContext,dc=wow,dc=com ldaps://oid1.wow.com:666/chost,cn=OracleContext,dc=wow,dc=com"/>
    <property name="overrideDefaultUser" value="useruser"/>
    <property name="overrideDefaultPassword" value="strongpassword"/>
    <!-- special c3p0 props -->
    <property name="minPoolSize" value="1"/>
    <property name="maxPoolSize" value="10"/>
    <property name="maxStatements" value="10"/>
    <property name="breakAfterAcquireFailure" value="false"/>
    <property name="acquireRetryAttempts" value="5"/>
    <property name="testConnectionOnCheckin" value="true"/>
    <property name="properties">
        <props>
            <prop key="oracle.net.ldap_loadbalance">OFF</prop>
        </props>
    </property>
</bean>
Failover loading of .js from sequence of servers?

Failover loading of .js from sequence of servers?


By : scofield muhoro
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I have seen this technique to allow a fallback if a CDN is down. If your js file has some testable property like a global variable (I've called it marker), you can attempt to load the file from server A, test for the marker and if it is not found script another attempt.
code :
<script type="text/javascript" src="http://server_A.tld/my.js"></script>
<script type="text/javascript">
if( !window.marker ) {
    document.write(
        '<script type="text\/javascript" src="http:\/\/server_B.tld\/my.js"><\/script>'
    );
}
</script>
Spring LDAP implementation failover capability

Spring LDAP implementation failover capability


By : user3827635
Date : March 29 2020, 07:55 AM
should help you out Set the urls property (pass it an array of ldap server urls) instead of the url property on your LDAPContextSource bean in your spring config. This will allow it to fail over if it can't talk to the first server.
Configuring LDAP Proxy Server with multiple AD/LDAP Servers

Configuring LDAP Proxy Server with multiple AD/LDAP Servers


By : awinson
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I am able to resolve my problem by using meta database instead of ldap database. The slapd.conf configuration finally looks like this:
I am only posting DB config here
code :
#######################################################################
# META Database Definitions
#######################################################################

# Database
database        meta
suffix "dc=ldapproxy,dc=com"
rootdn "cn=manager,dc=ldapproxy,dc=com"
rootpw secret

# LDAP 1
uri ldap://ldaphost1.example.com/ou=LDAP1,dc=ldapproxy,dc=com

lastmod       off
suffixmassage   "ou=LDAP1,dc=ldapproxy,dc=com" "ou=People,dc=example,dc=com"
idassert-bind bindmethod=simple
   binddn="cn=ldapadm,dc=example,dc=com"
   credentials="secret"
   mode=none
   flags=non-prescriptive
idassert-authzFrom "dn.exact:cn=Manager,dc=ldapproxy,dc=com"


# LDAP 2
uri  ldap://ldaphost2.example.biz/ou=LDAP2,dc=ldapproxy,dc=com

lastmod       off
suffixmassage "ou=LDAP2,dc=ldapproxy,dc=com" "ou=People,dc=example,dc=biz"
idassert-bind bindmethod=simple
  binddn="cn=ldapadm,dc=example,dc=biz"
  credentials="secret"
  mode=none
  flags=non-prescriptive
idassert-authzFrom "dn.exact:cn=Manager,dc=ldapproxy,dc=com"

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