Starttls ldap. html>gg
To enable automatic home directory creation, run the following command: MySQL LDAP plugins support the StartTLS method, which initializes TLS on top of a plain LDAP connection. extendedOperation(new StartTlsRequest()); // Open a TLS connection (over the existing LDAP association) and get details // of the negotiated TLS session: cipher suite, peer certificate SSLContext¶. in/asn1-ber. 暗号化接続に必要な LDAPS または STARTTLS. LDAP_FORCE_STARTTLS=true is optional, you can use it to conditionally start your LDAP server with StartTLS enforced. OpenLDAP clients and servers are capable of using the Transport Layer Security (TLS) framework to provide integrity and confidentiality protections and to support LDAP authentication using the SASL EXTERNAL mechanism. Applies to: Windows Server 2003 Original KB number: 938703. Authentication Source Options¶ url¶ Required, Default="" The url option should be set to the URL of your LDAP server. The other part is that the LDAP RFC only talks about STARTTLS while LDAPS is a nonstandard extension. Deselecting this default setting will display an alert that you must accept to proceed. The default port is 389. Doesn't make sense in my eyes Feb 19, 2024 · NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. If the client presents a Jun 12, 2014 · The LDAP protocol is by default not secure, but the protocol defines an operation to establish a TLS session over an existing LDAP one (the StartTLS extended operation). Test StartTLS: Sep 12, 2022 · Warning: ldap_start_tls() [function. In general, there are two ways to encrypt LDAP traffic with SSL/TLS. Jul 14, 2023 · In the LoadMaster WUI, go to Certificates & Security > LDAP Configuration. Alternately, some authentication mechanisms (through SASL) allow establishing signing and encryption. If you want to also enable START_TLS for the id_provider, specify ldap_id_use_start_tls = true. Step 1: Verify the Server Authentication certificate. start_tls_s() function and tls should work then. – Aug 12, 2019 · In case of plain LDAP or startTLS, the limit applies to the establishment of the TCP session; for LDAP this includes the SSL/TLS handshake as well. Feb 8, 2023 · The ldap_start_tls_s function is called on an existing LDAP session to initiate the use of TLS (SSL) encryption. Environment: Product: Loadmaster Version: Any Platform: Any Application: LDAPS using startTLS May 9, 2013 · LDAP over TLS/SSL (ldaps://) is deprecated in favour of StartTLS. That's what controlled by the UseSSL setting. Jul 22, 2015 · Openssl 1. 1 BER encoded structures to communicate between a client and server, to query directory information (ie users, groups, locations, etc). 42. The latter supports StartTLS, i. key -out ldap_server. ldaps has been deprecated in favour of start-TLS for ldap. Apr 14, 2015 · You should use TCP ports 389 and/or 636. Take steps to address the DNS resolution delays and errors. Typically, a JNDI program uses the StartTLS extended request and response classes as follows. 14. Make sure that the Server Authentication certificate that you use meets the following requirements: For those looking to grab the certs over a LDAP connection using StartTLS: I have re-submitted a patch to OpenSSL to support LDAP when using -starttls for s_client. Typically, it’s possible to stop securing a connection, using a Graceful Closure operation. For the latest version use: go get gopkg. May 6, 2013 · This connects to LDAP and binds the user. Unencrypted and unsigned LDAP traffic is used for "pinging" Domain Controllers or discovery, iirc. example. This allows the LDAP server to listen on Support for LDAP over TLS (STARTTLS) using a self-signed cert, or valid certificates (LetsEncrypt, etc) memberOf overlay support; MS-AD style groups support; Supports Forced STARTTLS; Supports custom domain and custom directory structure The Start TLS extended request and response are used to establish a TLS connection over the existing LDAP connection associated with the JNDI context on which extendedOperation() is invoked. Create a new LDAP endpoint by typing a valid name and clicking Add. These are controls which alter the behaviour The second is by connecting to a DC on a regular LDAP port (TCP ports 389 or 3268 in AD DS, and a configuration-specific port in AD LDS), and later sending an LDAP_SERVER_START_TLS_OID extended operation . The latter refers to an existing LDAP session (listening on TCP port 389) becoming protected by TLS/SSL whereas LDAPS, like HTTPS, is a distinct encrypted-from-the-start protocol that operates over TCP port 636. Secure LDAP access to your managed domain over the internet is disabled by default. ldap_start_tls_s() sends a StartTLS request to a server, waits for the reply, and // Open an LDAP association LdapContext ctx = new InitialLdapContext(); // Perform a StartTLS extended operation StartTlsResponse tls = (StartTlsResponse) ctx. ~/. SSLContext make TLS operation more flexible, It integrates with the system wide Certification Authorities and also ensure that there are “reasonable” security defaults when using the TLS layer. ldaprc or /etc/ldap/ldap. # If you need both ldap startTLS as well as SSL for your ldap server then set ibm-slapdSecurity value to SSLTLS C. ) Jan 2, 2024 · Self-signed certificates are suitable for internal (intranet) sites or testing environments . Jul 9, 2010 · My distro is SLES11-SP1, so I just used zypper to install perl-ldap and perl-ldap-ssl. Although we’ve encrypted our web interface, external LDAP clients are still connecting to the server and passing information around in plain text. com:389) or TLS / SSL (ldaps://ldap. The Windows updates KB5014668 and KB5014665 add support for Transport Layer Security (TLS) 1. LDAPS communication occurs over port TCP 636. Generate csr. 1 included a patch to add LDAP support (RFC 4511) to s_client and -starttls ldap is now supported. 1. sos-berlin. This article discusses steps about how to troubleshoot LDAP over SSL (LDAPS) connection problems. e. # Establish an SSL LDAP connection on port 636. If everything is correct, you should see slapd starting as your last log message. However, I was unable to authenticate any more, getting. So eventually this should work (if it ever makes it in I guess -- not yet as of 10/18/16): openssl s_client -connect servername:389 -starttls ldap -showcerts If this doesn't work, try using one of the following standard port numbers: 636 (ldaps); for Active Directory Global Catalog forest-wide search, use 3268 (ldap) or 3269 (ldaps). How does it work ? The SSL protocol ensures that data is transmitted encrypted, and guarantees that the data received Mar 29, 2019 · $ openssl rsa -in ldap_server. When connecting to ports 636 or 3269, SSL/TLS is negotiated before any LDAP traffic is exchanged. Change Connection security to SSL/TLS from Simple. 1. StartTLS Request A client requests TLS establishment by transmitting a StartTLS request message to the server. callLater every now and then Apr 17, 2019 · Basic LDAP v3 functionality for the GO programming language. . # ibmslapd -I tlsinst -n GLPSRV041I Server starting . com Please note there is a difference between ldaps and start-TLS for ldap. The FortiGate LDAP client sends these requests: Bind: Authentication. Oct 19, 2022 · If ssl_key_path and ssl_cert_path are present then the Authentication Proxy will listen for incoming LDAPS connections on this port, as well as listening on port 389 (or the specified value for port for unsecured LDAP or STARTTLS connections. For non-anonymous binds, ldapbinddn and ldapbindpasswd must be specified as separate options. Jul 30, 2014 · Thank you for your response. Enabing LDAP Authentication with STARTTLS and TLS. Multiple SSL certificates See full list on kb. 暗号化接続に必要な LDAPS または STARTTLS; 3. 3. The only differences are that you should use the port on which the server is listening for unencrypted LDAP requests and that you should indicate that StartTLS should be used instead of SSL (that is, use --useStartTLS instead of --useSSL). Step 4 – Configuring StartTLS LDAP Encryption. コマンドラインで Directory Server が LDAPS または STARTTLS で暗号化した接続のみを受け入れるように設定; 3. To use encrypted LDAP connections using the StartTLS operation, use the normal URL scheme ldap and specify the ldaptls option in addition to ldapurl. in/ldap. 4 暗黙のtls(またはssl。 以下単にtls)では、暗号化 通信のために専用のポートを割り当てなければならない。 starttlsを利用すれば、専用のポート番号を割り当てずに、途中から平文の通信を暗号化通信に切り替えることができる。 Jan 31, 2024 · LDAP with StartTLS (Still Port 389): You need to configure the server with a valid SSL/TLS certificate. , using PGP or S/MIME), and verifying the digital signatures of email messages. Feb 19, 2024 · openssl s_client -debug -connect server:636 -starttls ldap -tls1_3 -cert c_usr. Before configuring an LDAP middleware, an LDAP Authentication Source must be defined in the static configuration. Then, specify your parameters. 0, Deep Security 11. Save the changes. Supported protocols include smtp, pop3, imap, ftp, xmpp, xmpp-server, irc, postgres, mysql, lmtp, nntp, sieve and ldap. The LDAP StartTLS RFC requires more than securing connections. ldap-start-tls]: Unable to start TLS: Server is unavailable. I don't like to deferToThread every single call to ldap, and working with the asyncronous version of the python-ldap calls inside the reactor loop is a mess (the only way I found was to poll the ldap server results with ldap. Aug 12, 2021 · StartTLS in LDAP. It resolved a bunch of dependencies, too, including IO::Socket::SSL. org:636 for example. Yes. In both cases, the DC will request (but not require) the client's certificate as part of the SSL/TLS handshake. my_secure_remote_server. I have enabled Start TLS with a certificate generated using my own CA certificate (since it is for internal use). No special characters or spaces are allowed. Sep 7, 2010 · Essentially, the first part of the LDAP communication happens in plain text, then a STARTTLS message is sent (still in plain text), which indicates that the current TCP connection will be reused but that the next commands will be wrapped within a TLS/SSL layer. The Lightweight Directory Access Protocol (LDAP) is an application protocol for accessing and maintaining distributed directory information services. controls module can be used for constructing and decoding LDAPv3 controls. Load 5 more related questions Show fewer related questions Sorted by: Reset to Jun 10, 2019 · We also want to use StartTLS to encrypt the connection. The Start TLS extension allows an application to serialize secure and plain requests against an LDAP server on a single connection. Unbind: Close the connection. com:636). With the tls or tls-rustls feature, the ldaps scheme and StartTLS over ldap are additionally supported. 1 and newer supports two methods for encrypting the LDAP channel for simple bind: StartTLS and LDAPS. CSCvt31344 - secure LDAP fails after UCS infra upgrade from 4. This suggests LDAP works the same way: This value activates STARTTLS encryption for any server-side traffic that requires STARTTLS encryption. Just to brief the setup, my LDAP server hostname is server. BASE dc=coretesting,dc=com URI ldap://ldap. Send LDAP Start TLS Request Some LDAP server implementations support the Start TLS directive rather than using native LDAP over TLS. LDAP Server(s) = The IP address(es) of your LDAP server. I have already configured an LDAP server and LDAP client in my previous articles so I will use the same setup here. pem -CAfile c_ca. v1; Features: Connecting to LDAP server (non-TLS, TLS, STARTTLS) Binding to LDAP server; Searching for entries; Filter Compile I'm trying to configure OpenLDAP on Ubuntu using the the Ubuntu server guide. If enabled, the LDAP Connection Handler allows clients to use the StartTLS extended operation to initiate secure communication over an otherwise insecure channel. In this example, the authentication method parameters include the ldaptls parameter. naming. If you receive the following error message after updating the Keycloak application it may be, because the default settings have been changed in the latest Nov 9, 2015 · StartTLS: Encryption. 2, TLS is enforced for simple bind LDAP connections to Active Directory. 2k package they ship, as the manual now has 8 additional starttls protocols:-starttls protocol Oct 6, 2023 · On the left-hand side of the Microsoft Entra Domain Services window, choose Secure LDAP. Install. Step-1: Create Self Signed Certificate. Change the # "yourdomain. SSSD (System Security Services Daemon) is a system service to access remote directories and authentication mechanisms such as an LDAP directory, an Identity Management (IdM) or Active Directory (AD) domain, or a Kerberos realm. JumpCloud's LDAP-as-a-Service allows users to connect using StartTLS (ldap://ldap. 168. Jul 8, 2024 · LDAPS (LDAP over SSL) and STARTTLS (LDAP over TLS) are both secure versions of LDAP that encrypt the authentication process. $ openssl req -new -days 3650 -key ldap_server. Oct 8, 2019 · Note: As STARTTLS doesn’t guarantee a secure connection, users should be discouraged from using it or use other measures in conjunction with STARTTLS, such as using strong authentication methods, encrypting the email content with end-to-end encryption (e. csr You are about to be asked to enter information that will be incorporated into your certificate request. To enable STARTTLS with the TLS protocol, specify the ldaptls parameter with the value 1. Choices are Unencrypted, StartTLS or LDAPS. For example, an application might use secure requests to make modifications to the directory and use plain requests to read parts of the directory that are open for unauthenticated browsing. Some additional help for others, the certificate solution here solved my ldapsearch command line issue, but still PHP complained **Can't contact LDAP server**. As with the previous option, this value may need to be increased when the network connection or the LDAP server is slow. The updates were released on 6/21/2022. If the ldap_simple_bind_s is successful then the authentication is successful. referral is set to follow. start-TLS uses port 389, while ldaps uses port 636. 4 or newer. StartTLS: This is the default configuration for communicating with Active Directory in Tableau Server 2021. org" # Default port is 389 or 636 if use_ssl = true port = 636 # Set to true if LDAP server should use an encrypted TLS connection (either with STARTTLS or LDAPS) use_ssl = true # If set to true, use LDAP with STARTTLS instead of LDAPS Oct 2, 2022 · In this guide, I will show you how to configure StartTLS on an OpenLDAP server, enabling clients to communicate with the server using StartTLS and allowing LDAP accounts to log in to the host over an encrypted tunnel with the integration of nss-pam-ldapd. Please refer the article OpenSSL create self signed certificate Linux with example for a more detailed explanation about creating a self-signed certificate. conf). g. I want to get a copy of the SSL certificate so I can specify it as a known certificate (in a jssecacerts file, since my application is written in Java). ldap. Please note there is a difference between ldaps and start-TLS for ldap. DirectoryServices. Turned out to be SELinux on RHEL7 ( CentOS7 ) blocks HTTPD from using LDAP ports 389 and 636 by default, you can unblock with: [[servers]] # Ldap server host (specify multiple hosts space separated) host = "ldap. The SSSD configuration option to enforce TLS, ldap_id_use_start_tls, defaults to false. but I had to put the name of the DC in. That feature isn’t currently supported. I guess for user experience it would make sense to have a checkbox in the gui use tls for this. Note that this is only allowed if the LDAP Connection Handler is not configured to use SSL, and if the server is configured with a valid key manager provider and a valid trust manager 3. 1, then you should be able to use opensssl s_client to connect to your LDAP server and then proceed with the protocol to upgrade the connection to SSL/TLS using STARTTLS, using a command along the lines of: openssl s_client -starttls ldap -crlf -connect host. Restart the ibmslapd process as follows: # ibmslapd -I tlsinst -k GLPSRV176I Terminated directory server instance 'tlsinst' normally. Un-secure or clear text communications happen on tcp port 389 by default, but there is the option to run an extended operation called start TLS, to establish a security layer before the bind operation, when using tcp port 389. The standard port to use for unencrypted LDAP communication (or LDAP using StartTLS) is 389, and the standard port for SSL-encrypted LDAP is 636. *; Sep 17, 2013 · I am trying to configure my application to access an LDAP server that is listening only on port 389 using the StartTLS extension for security. What you are about to Jun 23, 2023 · My LDAP server's ldap. Microsoft Support Article: 2020 LDAP channel binding and LDAP signing requirements for Windows; Sophos UTM: Configure AD/LDAP authentication over SSL/TLS due to Microsoft's new recommendation Feb 17, 2023 · As it is using python-ldap, the only missing piece would be to call the conn. TLS is defined in RFC4346. ldap ldapserver=ldap. The process for using StartTLS with the ldapsearch utility is almost identical to the process for using SSL. Unix-like platforms also support ldapi, using Unix domain sockets. 3 when using LDAP over SSL or issuing the StartTLS command. These arguments are available in the methods with names ending in _ext or _ext_s: serverctrls is a list of ldap. We would like to show you a description here but the site won’t allow us. Requires that # mod_ldap and mod_authnz_ldap be loaded. 2. con Start setting up the server in the LDAP setup Enter Server, Port and BaseDN in the Ser LDAPS differs from LDAP in two ways: 1) upon connect, the client and server establish TLS before any LDAP messages are transferred (without a StartTLS operation) and 2) the LDAPS connection must be closed upon TLS closure. controls. – The ldap scheme, which uses a plain TCP connection, is always available. tld:port Jul 21, 2023 · Adding the -starttls flag to our openssl s_client -connect command will send the protocol specific message for switching to SSL/TLS communication. Apr 21, 2023 · After I had applied this to my ldap, attempts to connect without STARTTLS were indeed rejected. If you want to use ldaps, then the tcp port number 636 is in use, this is for ldap over ssl. If omitted, encryption will not be used. I understand StartTLS can be done using javax. Feb 19, 2024 · Start TLS extended request. key Enter pass phrase for ldap_server. When using ldap:// without TLS for identity lookups, it can pose a risk for an attack vector, namely a man-in-the-middle (MITM) attack which could allow you to impersonate a user by altering, for example, the UID or GID of an object returned in an LDAP search. For the ldap example: openssl s_client -connect ldap-host:389 -starttls ldap Sep 2, 2020 · With SMTP, TLS is started first and authentication is performed over the encrypted connection. LDAP as a protocol is a binary protocol which uses ASN. com with IP address 192. LDAPS communication to a global catalog server occurs over TCP 3269. Legal values are “none” for unencrypted LDAP, “ssl” for LDAP over SSL/TLS (commonly known as LDAPS), or “starttls” for STARTTLS. The StartTLS operation is defined using the Extended operation mechanism described in Section 4. LdapContext#extendedOperation(ExtendedRequest) And that referrals can be followed when java. So if you want to be RFC compliant you need STARTTLS. Concepts. We can upgrade the existing insecure connection to a secure connection using LDAPv3 Transport Layer Jun 20, 2024 · LDAP client may crash while initialising the ssl library if the ldap_start_tls_s call takes more than 60 secs to complete the initialisation. Without this setting in SLAPD_SERVICES, slapd will only listen on port 389 (ldap). Beginning with Tableau Server 2021. import javax. If you have multiple LDAP server sections with SSL certs configured you should use a unique port for Mar 14, 2024 · This guide will take you through how to install and configure SSSD for LDAP authentication on Ubuntu 20. That being said, many servers accept LDAPS, and the Apache LDAP API supports it. Jun 13, 2021 · Pay attention to the LDAP_BASEDN and LDAP_BINDDN variables, they should match your Domain root as well. Search: Query. However, it might be desirable or necessary to change this in some environments (for example, if the standard port is already in use, or if you are running on a UNIX system as a user without Tableau Server 2021. StartTLS: Encryption. 0. LDAP Protocol = The protocol. com ldaptls=1 ldapprefix="uid=" ldapsuffix=",ou=People,dc=example Jun 9, 2019 · StartTLS is the name of the standard LDAP operation for initiating TLS/SSL over LDAP server. I thought that if my domain controller was say dc1. LDAP structure. Microsoft's KB article says: Start TLS extended request. conf(5) for details # This file should be world readable but not world writable. conf file # # LDAP Defaults # # See ldap. authentication_ldap_sasl_user_search_attr One reason might be the optional Kerberos encryption used by LDAP clients, which makes TLS optional. key: <Enter passphrase> writing RSA key. I didn't have Digest::MD5, so I installed it just now with CPAN and specified the LDAP version also, but no love. Jan 15, 2016 · To provide more background, SSL/TLS can be used in LDAP on two levels: 1) the LDAP server might listen on a port which speaks SSL/TLS right away. crt :Unable to connect the server when the option "-starttls ldap" is used Whereas the openssl client gets connected to the ldapserver when the option "-starttls ldap" is not provided. 0, View More These directives specify the CA and optional client certificates to be used, as well as the type of encryption to be used on the connection (none, SSL or TLS/STARTTLS). v3 Import the latest version with: import "gopkg. 04. Port 636 is for LDAPS, which is LDAP over SSL. Oct 16, 2019 · SECURITY BULLETIN: Trend Micro Deep Security StartTLS LDAP Confidentiality and Local Arbitrary File Overwrite Vulnerabilities Product/Version includes: Deep Security 10. Apr 18, 2021 · Most modern implementations of LDAP server, including Active Directory, support TLS. Both encrypted (start-TLS ldap) and unencrypted ldap (ldap) run on port 389 concurrently. Encryption on port 389 is also possible using the STARTTLS mechanism, but in that case you should explicitly verify that encryption is being done. The default port for LDAP is 389, but LDAPS uses port 636. domain. This could happen only incase of invalid DNS entry / delays in DNS resolution. The StartTLS extended operation [RFC 2830] is LDAPv3's standard mechanism for enabling TLS (SSL) data confidentiality protection. The StartTLS request is defined in terms of an ExtendedRequest. Note: sssd will use START_TLS by default for authentication requests against the LDAP server (the auth_provider), but not for the id_provider. Related information. You can use SSLContext if running in Python 3. However what I could find no documentation for is whether StartTLS is applied to the referrals as well. com" to match your domain. (Note that “LDAPS” is often used to denote LDAP over SSL, STARTTLS, and a Secure LDAP implementation. upgrading a connection from unencrypted LDAP to TLS-encrypted LDAP, whereas 636/ldaps will always enforce encrypted connections. LDAPS can be used by setting the authentication_ldap_sasl_server_port system variable. controls). Jul 15, 2015 · Warning: ldap_start_tls() [function. Automatic home directory creation. Oct 26, 2023 · Problem. Mar 8, 2018 · Steps to reproduce Setup LDAP server using StartTLS Setup a nextcloud instance and enable the LDAP plugin Add server certificate in /etc/ldap/ldap. Jul 14, 2023 · Information Summary: How to set up the LDAP load balancing using the startTLS connection. LDAPControl instances sent to the server along with the LDAP request (see module ldap. com the short domain would be domain because that is the actual domain name. Apr 21, 2024 · Lab Environment. jumpcloud. By default, secure LDAP access to your managed domain is disabled. v3" Required Libraries: gopkg. The ldap. com with an IP address 192. 114 while my client's hostname is client. LDAP URLs are currently only supported with OpenLDAP, not on Windows. Mar 7, 2019 · I added the cert to the trusted store and I found out that I was putting in the wrong info into the portal. It should use either the ldaps or ldap protocol and end with a port, like ldaps://ldap. The mechanism uses an LDAPv3 extended operation to establish an encrypted SSL/TLS connection within an already established LDAP connection. 0, Deep Security 12. You can't disable unencrypted LDAP completely (StartTLS is the supported way to get encryption in LDAP, LDAPS is deprecated) but you can and must require signing to be secure. Jun 1, 2017 · Now that we’ve logged in and familiarized ourselves with the web interface, let’s take a moment to provide more security to our LDAP server. These routines are used to initiate TLS processing on an LDAP session. Feb 19, 2024 · In this article. Toggle Secure LDAP to Enable. 152 LDAP supports SSL, it’s called LDAPS, and it uses a dedicated port. Jul 8, 2020 · I don't have an LDAP server to test this with, but if you have openssl 1. At this stage, the TLS/SSL handshake happens and the communication is "upgraded" to 3. Feb 23, 2024 · Connecting WSO2 Identity Server to an External LDAP source using startTLS. crt -key c_usr. Using StartTLS with LDAP from System. Modify the LDAP server configuration to enable StartTLS. If you do use encryption when connecting to your LDAP server, you will need to ensure that its certificate chain can be verified using the certificates in Java’s Nov 10, 2020 · You can try adding an LDAP extended operation for STARTTLS onto the URI in your client LDAP configuration file (e. Is there any documentation for building LDAP client to connect to LDAP server on SSL and StartTLS? These directives specify the CA and optional client certificates to be used, as well as the type of encryption to be used on the connection (none, SSL or TLS/STARTTLS). The connection must not already have TLS (SSL) encryption enabled, and neither signing nor sealing can already be enabled. As of today, and since 2000, LDAPS is deprecated and StartTLS should be used. key. I'm already using python-ldap ina a twisted based project and hoped to get higher integration with ldaptor. RHEL/CentOS 7 versions of openssl appear to have backported that update (and others) to the openssl 1. The use of ssl. Many client If you need access to LDAPS (LDAP over SSL), then you need to edit /etc/default/slapd and include ldaps:/// in SLAPD_SERVICES like below: SLAPD_SERVICES="ldap:/// ldapi:/// ldaps:///" And restart slapd with: sudo systemctl restart slapd Note that StartTLS will be available without the change above, and does NOT need a slapd restart. 12. 4. 2) the LDAP server might accept a special protocol command, typically known as "STARTTLS" (it's also present in extensions to SMTP, and IMAP for instance).
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