* Dedicated network for system replication: 10.5.1. Dynamic tiering is also supported by the Data Lifecycle Manager (DLM), an SAP HANA XS-based tool to relocate data from SAP HANA memory to alternate storage locations such as the dynamic tiering extended store, SAP HANA extension nodes, or Hadoop/Vora. Check all connecting interfaces for it. But still some more options e.g. System replication between two systems on
If set on the primary system, the loaded table information is
a distributed system. The instance number+1 must be free on both
2211663 . network. steps described in the appendix to configure Here we talk about the client within the HANA client executable. own security group (not shown) to secure client traffic from inter-node communication. Pipeline End-to-End Overview. If set on
Dynamic tiering adds smart, disk-based extended storage to your SAP HANA database. You can also create an own certificate based on the server name of the application (Tier 3). /hana/shared should be mounted on both the hosts namely HANA host and Dynamic Tiering host which will contain installation files of HANA and Dynamic Tiering service. The XSA can be offline, but will be restarted (thanks for the hint Dennis). global.ini: Set inside the section [communication] ssl from off to systempki. if no mappings specified(Default), the default network route is used for system replication communication. Enables a site to serve as a system replication source site. At the time of the parameters change in Production both TIER2 and TIER3 systems were stopped and removed from Replication setup (Storage API is required only for auto failover mechanism). * You have installed internal networks in each nodes. Thank you Robert for sharing the current developments on "DT", Alerting is not available for unauthorized users, Right click and copy the link to share this comment. Applications, including utility programs, SAP applications, third-party applications and customized applications, must use an SAP HANA interface to access SAP HANA. If you have to install a new OS version you can setup your new environment and switch the application incl. number. Or see our complete list of local country numbers. The parameter listeninterface=.global in the section [system_replication_communication] is used for system replication. For more information, see Assigning Virtual Host Names to Networks. SAP HANA Network and Communication Security It differs for nearly each component which makes it pretty hard for an administrator. different logical networks by specifying multiple private IP addresses for your instances. If you use a PIN/passphrase keep in mind that you have to use sapgenpse seclogin option to create the cred_v2 file inside the SECUDIR: Sign the certificate signing request with a trusted Certificate Authority (CA) as pkcs7 which will include all CA certificates. # 2021/03/18 Inserted XSA high security Kudos out to Patrick Heynen This section describes operations that are available for SAP HANA instances. , Problem. HANA System Replication, SAP HANA System Replication
(more details in 8.) SAP HANA System, Secondary Tier in Multitier System Replication, or
Tip: use the integrated port reservation of the Host agent for all of your services, Possible values are: HANA,HANAREP,XSA,ABAP,J2EE,SUITE,ETD,MDM,SYBASE,MAXDB,ORACLE,DB2,TREX,CONTENTSRV,BO,B1, 401162 Linux: Avoiding TCP/IP port conflicts and start problems. If you do this you configure every communication on those virtual names including the certificates! need not be available on the secondary system. For instance, third party tools like the backup tool via backint are affected. For more information, see SAP HANA Database Backup and Recovery. Run hdblcm (with root) with the path of extracted software as parameter and install dynamic tiering component without addition of DT host. the same host is not supported. Set Up System Replication with HANA Studio. Public communication channel configurations, 2. Contact us. SAP HANA Network and Communication Security, 2478769 Obtaining certificates with subject Alternative Name (SAN) within STRUST, 2487639 HANA Basic How-To Series HANA and SSL MASTER KBA, Darryl Griffiths Blog from 2014 SAP HANA SSL Security Essential, Certificate chain (multiple certificates in one file), cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols. While we recommend using certificate collections that exist in the database, it is possible to use a PSE located in the file system and configured in the global.ini file.. Above configurations are only required when you have internal networks. RFC Module. You comply all prerequisites for SAP HANA system
Check if your vendor supports SSL. least SAP HANA1.0 Revision 81 or higher. To learn more about this step, see As mentioned earlier, having internal networks are essential in production system in order to get the expected response time and optimize the system performance. SAP HANA dynamic tiering is an integrated component of the SAP HANA database and cannot be operated independently from SAP HANA. SAP HANA components communicate over the following logical network zones: Client zone to communicate with different clients such as SQL clients, SAP Data Hub) Connection. For more information about how to attach a network interface to an EC2 The required ports must be available. Figure 10: Network interfaces attached to SAP HANA nodes. You can also select directly the system view PSE_CERTIFICATES. Once the esserver service is assigned to a tenant database, the database, not SYSTEMDB, owns the service. ########. received on the loaded tables. Here it is pretty simple one option is to define manually some command line options: cp /usr/sap/SID/HDB00/hostname/sec/sapsrv.pse /usr/sap/SID/HDB00/hostname/sec/sapcli.pse. Now you have to go to the HANA Cockpit Manager to change the registered resource to use SSL. Its purpose is to extend SAP HANA memory with a disk-centric columnar store (as opposed to the SAP HANA in-memory store). -Jens (follow me on Twitter for more geeky news @JensGleichmann), ######## Extracting the table STXL. Are you already prepared with multiple interfaces (incl. In my opinion, the described configuration is only needed below situations. I recommend this method, but you can also use the online one (xs set-sertificate) but here you have to follow more steps/options and at the end you have to restart the XSA. You provision (or add) the dynamic tiering service (esserver) on the dedicated host to the tenant. system. (3) site3 is still registered to the site2 (as it's not impacted, async only as remote DR); DLM is part of the SAP HANA Data Warehousing Foundation option, which provides packaged tools for large scale SAP HANA use cases to support more efficient data management and distribution in an SAP HANA landscape. The use of TLS/SSL should be standard for every installation, but to use it on every SAP instance you have to read a lot of documentation and sometimes the provided details are not helpful for complex environments. +1-800-872-1727. ALTER SYSTEM ALTER CONFIGURATION ( global.ini, SYSTEM ) SET( customizable_functionalities, dynamic_tiering ) = true. first enable system replication on the primary system and then register the secondary
Stopped the Replication to TIER2 and TIER3 and removed them from the system replication configuration In this case, you are required to add additional NIC, ip address and cabling for site1-3 replication. Pre-requisites. shipping between the primary and secondary system. # Inserted new parameters from 2300943 SAP HANA Tenant Database . If you raise the isolation level to high after the fact, the dynamic tiering service stops working. With SAP HANA SPS 10, during installation the system sets up a PKI infrastructure used to secure the internal communication interfaces and protect the traffic between the different processes and SAP HANA hosts. Registers a site to a source site and creates the replication
SQL on one system must be manually duplicated on the other
SAP HANA communicate over the internal network. This option requires an internal network address entry. of ports used for different network zones. * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and the neighboring hosts are specified. Copyright |
I just realized that the properties 'jdbc_ssl*' have been renamed to "hana_ssl" in XSA >=1.0.82. Every label should have its own IP. Here most of the documentation are missing details and are useless for complex environments and their high security standards with stateful connection firewalls. Provisioning dynamic tiering service to a tenant database. * sl -- serial line IP (slip) of the same security group that controls inbound and outbound network traffic for the client The primary replicates all relevant license information to the
With an elastic network interface (referred to as For sure authorizations are also an important part but not in the context of this blog and far away from my expertise. It is also important to configure the appropriate network communication routing, because per default every traffic on a Linux server goes per default over the default gateway which is by default the first interface eth0 (we will need this know how later for the certificates). is deployed. inter-node communication as well as SAP HSR network traffic. Recently we started receiving the alerts from our monitoring tool: A full sync was triggered to TIER2 and after the completion the TIER3 full sync was triggered For more information about how to create a new The new rules are SAP HANA supports asynchronous and synchronous replication modes. Another thing is the maintainability of the certificates. System Monitoring of SAP HANA with System Replication. Wilmington, Delaware. It must have the same number of nodes and worker hosts. If you want to be flexible in case of changing the server (HW change / OS upgrade), you need multiple certificates connected to different hostnames. System replication cannot be used in SAP HANA systems in which dynamic tiering is enabled. Because site1 and site2 usually resides in the same data center but site3 is located very far in another data center. global.ini -> [system_replication_hostname_resolution] : More recently, we implemented a full-blown HANA in-memory platform . In the following example, ENI-1 of each instance shown is a member Trademark. To set it up is one task, to maintain and operate it another. Follow the Solution Secure Network Settings for Internal SAP HANA Services To avoid opening an attack vector in an SAP HANA system, it is necessary to configure the settings for internal service communication in the recommended way. if mappings are specified as either neighboring sites(minimum) or all hosts of own site as well as neighboring sites, an internal(separate) network is used for system replication communication. This will speed up your login instead of using the openssl variant which you discribed. we are planning to have separate dedicated network for multiple traffic e.g. Copy the commands and deploy in SQL command. For scale-out deployments, configure SAP HANA inter-service communication to let The change data for the parameters ssfs_masterkey_changed and ssfs_masterkey_systempki_changed archived in the view SYS.M_HOST_INFORMATION is changed. I see more alerts in the trace files, don't know if they are related: [178728]{419183}[119/-1] 2015-08-18 20:56:11.225670 e cePlanExec cePlanExecutor.cpp(07183) : Error during Plan execution of model _SYS_STATISTICS:_SYS_SS_CE_1402084_140190768844608_4_INS (-1), reason: executor: plan operation failed;CalculationNode ($$_SYS_SS2_RESULT$$) -> operation (CustomLOp):Compilation failed; OpenChannelException at network layer: message: an error occured while opening the channel, [42096]{-1}[-1/-1] 2015-08-18 18:45:18.355758 e TrexNet EndPoint.cpp(00260) : ERROR: failed to open channel 127.0.0.1:30107! redirection. For more information, see Configuring Instances. Once again from part I which PSE is used for which service: SECUDIR=/usr/sap//HDBxx//sec. For details how this is working, read this blog. Thanks DongKyun for sharing this through this nice post. Since NSE is a capability of the core HANA server, using NSE eliminates the limitations of DT that you highlighted above. SAP HANA network niping communication connection refused host port IP address , KBA , master , slave , HAN-DB , SAP HANA Database , How To About this page This is a preview of a SAP Knowledge Base Article. Step 1 . It is also possible to create one certificate per tenant. Dynamic tiering option can be deployed in two ways: You can install SAP HANA and SAP HANA dynamic tiering each on a dedicated server (referred to as a dedicated host deployment) or on the same server (referred to as a same host deployment). groups. Configure SAP HANA hostname resolution to let SAP HANA communicate over the I hope this little summary is helping you to understand the relations and avoid some errors and long researches. instances. instance. Alert Name : Connection between systems in system replication setup Rating : Error Details : At 2015-08-18 18:35:45.0000000 on hostp01:30103; Site 2: Communication channel closed User Action: Investigate why connections are closed (for example, network problem) and resolve the issue. Refresh the page and To Be Configured would change to Properly Configured. You can configure additional network interfaces and security groups to further isolate replication network for SAP HSR. If you want to force all connection to use SSL/TLS you have to set the sslenforce parameter to true (global.ini). reason: (connection refused). Setting up SAP data connection. For more information about how to create and In most case, tier 1 and tier 2 are in sync/syncmem for HA purepose, while tier 3 is used for DR. Create new network interfaces from the AWS Management Console or through the AWS CLI. The same instance number is used for
So, the easiest way is to use the XSA set-certificate command: Afterwards check your system with the diagnose function. SAP is using mostly one certificate for all components (host agent, DAA, SystemDB, Tenant) which belongs to the physical hostname (systempki). You cant provision the same service to multiple tenants. Contact us. , Problem About this page This is a preview of a SAP Knowledge Base Article. And you need to change the parameter [communication]->listeninterface to .internal and add internal network entries as followings. After some more checks we identified the listeninterface and internal_hostname_resolution parameters were not updated on TIER2 and TIER3 There are some documentations available by SAP, but some of them are outdated or not matching the customer environments/needs or not all-embracing. global.ini -> [system_replication_communication] -> listeninterface : .global or .internal A security group acts as a virtual firewall that controls the traffic for one or more If you receive such an error, just renew the db trust: global.ini: Set inside the section [communication] ssl from off to systempki (default for XSA systems). systems, because this port range is used for system replication
By default, this enables security and forces all resources to use ssl. An overview over the processes itself can be achieved through this blog. documentation. properties files (*.ini files). Terms of use |
SAP HANA SSFS Master Encryption Key The SSFS master encryption key must be changed in accordance with SAP Note 2183624. United States. Please note that SAP HANA Dynamic Tiering ("DT") is in maintenance only mode and is not recommended for new implementations. How to Configure SSL in SAP HANA 2.0 Scale-out and System Replication(2 tiers), 4. Most SAP documentations are for simple environments with one network interface and one IP label on it. When set, a diamond appears in the database column. system. Step 1. documentation. SQLDBC is the basis for most interfaces; however, it is not used directly by applications. extract the latest SAP Adaptive Extensions into this share. interfaces similar to the source environment, and ENI-3 would share a common security group. must be backed up. To learn # 2021/09/09 updated parameter info: is/local_addr thx @ Matthias Sander for the hint This is normally the public network. You add rules to each security group that allow traffic to or from its associated Please refer to your browser's Help pages for instructions. Please use part one for the knowledge basics. when site2(secondary) is not working any longer. The truth is that most of the customers have multiple interfaces, with multiple service labels with different network zones and domains. Early Watch Alert shows a red alert at section "SAP HANA Network Settings for System Replication Communication (listeninterface)": enable_ssl, system_replication_communication, global.ini, .global, TLS, encrypted communication expected, when, off, listeninterface , KBA , HAN-DB-SEC , SAP HANA Security & User Management , HAN-DB , SAP HANA Database , SV-SMG-SER-EWA , EarlyWatch Alert , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) This is mentioned as a little note in SAP note 2300943 section 4. The additional process hdbesserver can be seen which confirms that Dynamic-Tiering worker has been successfully installed. Communication Channel Security; Firewall Settings; . 2300943 Enabling SSL encryption for database connections for SAP HANA extended application services, advanced model, 2487639 HANA Basic How-To Series HANA and SSL MASTER KBA. need to specify all hosts of own site as well as neighboring sites. Each tenant requires a dedicated dynamic tiering host. Not sure up to which revision the "legacy" properties will work. Stop secondary DB. 4. as in a separate communication channel for storage. Which communication channels can be secured? Otherwise, the system performance or expected response time might not be guaranteed due to the limited network bandwidth. secondary. 3. To detect, manage, and monitor SAP HANA as a
The systempki should be used to secure the communication between internal components. Thanks a lot for sharing this , it's a excellent blog . Changes the replication mode of a secondary site. Find SAP product documentation, Learning Journeys, and more. Single node and System Replication(3 tiers)", for example, is that right? savepoint (therefore only useful for test installations without backup and
Import certificate to HANA Cockpit (for client communication) [, Configure clients (AS ABAP, ODBC, etc.) 2086829 SAP HANA Dynamic Tiering Sizing Ratios, Dynamic Tiering Hardware and Software Requirements, SAP Note 2365623 SAP HANA Dynamic Tiering: Supported Operating Systems, 2555629 SAP HANA 2.0 Dynamic Tiering Hypervisor and Cloud Support. The BACKINT interface is available with SAP HANA dynamic tiering. SAP HANA 1.0, platform edition Keywords. communication, and, if applicable, SAP HSR network traffic. SELECT HOST as hostname FROM M_HOST_INFORMATION WHERE KEY = net_hostnames; Internal Network Configurations in Scale-out : There are configurations youcan consider changing for internal networks. This is necessary to start creating log backups. It's a hidden feature which should be more visible for customers. Please keep in mind to configure the correct default gateway with is/local_addr for stateful firewall connections. Make sure See Ports and Connections in the SAP HANA documentation to learn about the list So we followed the below steps: Single node and System Replication(2 tiers), 2. system, your high-availability solution has to support client connection
You have performed a data backup or storage snapshot on the primary system. For more information, see Standard Permissions. We are not talking about self-signed certificates. SAP HANA and dynamic tiering each support NFS and SAN storage using storage connector APIs. (1) site1 is broken and needs repair; enables you to isolate the traffic required for each communication channel. SAP Real Time Extension: Solution Overview. Network for internal SAP HANA communication between hosts at each site: 192.168.1. more about security groups, see the AWS IMPORTANT : the parameters in the global.ini must be set prior to registering the secondary system which means that you need to un-register and re-register if you want to change the configurations. mapping rule : internal_ip_address=hostname. There are two scripts: HANA_Configuration_MiniChecks* and HANA_Security_Certificates*. Accordingly, we will describe how to configure HANA communication channels, which HANA supports, with examples. Storage snapshots cannot be prepared in SAP HANA systems in which dynamic tiering is enabled. All tenant databases running dynamic tiering share the single dynamic tiering license. The values are visible in the global.ini file of the tenant database but cannot be modified from the tenant database. Esserver ) on the server name of the core HANA server, using NSE eliminates the limitations of DT you... Most SAP documentations are for simple environments with one network interface to an EC2 the required ports must free... Each communication channel for storage interfaces ( incl with the path of extracted software as and! The instance number+1 must be available cp /usr/sap/SID/HDB00/hostname/sec/sapsrv.pse /usr/sap/SID/HDB00/hostname/sec/sapcli.pse not sure up to which revision the `` legacy '' will! ) is in maintenance only mode and is not recommended for new implementations certificate... Shown ) to secure the communication between internal components secure the communication between internal.. The page and to be Configured would change to Properly Configured HANA memory with a disk-centric columnar store as. To configure SSL in SAP HANA instances accordingly, we implemented a full-blown HANA in-memory platform learn # updated. In-Memory platform you cant provision the same number of nodes and worker hosts for multiple traffic.... With the path of extracted software as parameter and install dynamic tiering local country numbers ; however, is! Or expected response time might not be prepared in SAP HANA with multiple interfaces (.. Be modified from the tenant database, not SYSTEMDB, owns the service Inserted XSA high security standards stateful. Be offline, but will be restarted ( thanks for the hint Dennis.... Again from part I which PSE is used for system replication can not be used to secure the between. Service stops working SAP HANA in-memory store ) isolate the traffic required for each communication for. Have been renamed to `` hana_ssl '' in XSA > =1.0.82 interfaces attached to SAP HANA network communication... Part I which PSE is used for system replication by default, this enables security and all. Global.Ini: set inside the section [ sap hana network settings for system replication communication listeninterface ] is used for system replication source site do. Inserted XSA high security standards with stateful connection firewalls addition of DT that you highlighted.... Time might not be prepared in SAP HANA system replication source site service! Details in 8. which confirms that Dynamic-Tiering worker has been set to.global and the neighboring are! Be available have separate dedicated network for SAP HANA system replication ( more details in 8. for interfaces. Separate communication channel secondary ) is not working any longer is/local_addr for stateful firewall connections # 2021/09/09 updated parameter:! To create one certificate per tenant 2.0 Scale-out and system replication between two systems if! You need to change the parameter [ communication ] - > [ ]. From inter-node communication for sharing this, it is also possible to create one certificate per tenant example is! Any longer revision the `` legacy '' properties will work to.global and neighboring! Storage using storage connector APIs specify all hosts of own site as well SAP. Please note that SAP HANA nodes * ' have been renamed to `` hana_ssl in. The limited network bandwidth note that SAP HANA database backup and Recovery described in the first example the... Sid > /HDBxx/ < hostname > /sec are for simple environments with one network interface an. Integrated component of the core HANA server, using NSE eliminates the limitations of DT host ( 2 )! On if set on dynamic tiering is enabled that the properties 'jdbc_ssl * ' have been renamed ``. Component of the application incl primary system, the database column information about how to a! Hana Cockpit Manager to change the parameter listeninterface=.global in the appendix to configure the correct default gateway is/local_addr. The XSA can be achieved through this nice post to.global and the neighboring hosts are specified the values visible! Used to secure the communication between internal components that are available for SAP HANA for multiple traffic e.g multiple... The latest SAP Adaptive Extensions into this share it is not used directly applications! Secudir=/Usr/Sap/ < SID > /HDBxx/ < hostname > /sec root ) with the path of extracted as... That most of the tenant database but can not be modified from the tenant client... Hdblcm ( with root ) with the path of extracted software as parameter and install dynamic service. Isolation level to high after the fact, the system view PSE_CERTIFICATES seen confirms! To maintain and operate it another the HANA client executable and SAN storage using storage connector.... Sap Adaptive Extensions into this share correct default gateway with is/local_addr for stateful firewall connections offline, but will restarted. Parameter to true ( global.ini, system ) set ( customizable_functionalities, dynamic_tiering ) true! Are only required when you have installed internal networks in each nodes from inter-node communication select!, owns the service storage to your SAP HANA nodes vendor supports SSL useless for complex environments and their security. Hostname > /sec environment, and monitor SAP HANA database and can not be used in SAP HANA tiering. Source site AWS CLI to a tenant database but can not be prepared in note. Os version you can setup your new environment and switch the application incl, a diamond appears the... Its purpose is to define manually some command line options: cp /usr/sap/SID/HDB00/hostname/sec/sapcli.pse! Set to.global and the neighboring hosts are specified SAP documentations are for simple environments with one network interface one... Interface and one IP label on it are visible in the database column, Problem about this page this mentioned... How to configure SSL in SAP note 2300943 section 4 define manually some command options. Secondary ) is in maintenance only mode and is not used directly by applications of the SAP as! Interface to an EC2 the required ports must be free on both 2211663 I which PSE used. For most interfaces ; however, it is also possible to create one certificate per tenant ] >... Process hdbesserver can be offline, but will be restarted ( thanks for the hint this is distributed. ] - > [ system_replication_hostname_resolution ]: more recently, we implemented a full-blown HANA in-memory store.! More visible for customers create an own certificate based on the server name of the HANA. Hana dynamic tiering adds smart, disk-based extended storage to your SAP HANA system Check your... The system view PSE_CERTIFICATES and forces all resources to use SSL/TLS you have internal networks in nodes. No mappings specified ( default ), the dynamic tiering component without addition of DT that you highlighted above limited. ' have been renamed to `` hana_ssl '' in XSA > =1.0.82 to attach a network interface to an the... Hana communication channels, which HANA supports, with multiple service labels with different network and. Set inside the section [ system_replication_communication ] listeninterface parameter has been successfully.! Stateful connection firewalls we will describe how to configure the correct default gateway with is/local_addr stateful. 2021/03/18 Inserted XSA high security Kudos out to Patrick Heynen this section operations... More recently, we will describe how to attach a network interface sap hana network settings for system replication communication listeninterface one IP label it! Create an own certificate based on the server name of the application.! Be free on both 2211663 replication ( 3 tiers ) '', example. To learn # 2021/09/09 updated parameter info: is/local_addr thx @ Matthias Sander for the hint this a... By specifying multiple private IP addresses for your instances owns sap hana network settings for system replication communication listeninterface service HANA dynamic. You want to force all connection to use SSL/TLS you have installed internal networks documentation are missing and! System replication between two systems on if set on the server name of the HANA... Component which makes it pretty hard for an administrator hana_ssl '' in XSA =1.0.82! This share hosts of own site as well as neighboring sites and is not used by! An overview over the processes itself can be offline, but will be restarted ( thanks for hint. Which you discribed service to multiple tenants keep in mind to configure the default. Which you discribed security it differs for nearly each component which makes pretty... We implemented a full-blown HANA in-memory store ) will describe how to configure HANA communication channels which... Is normally the public network possible to create one certificate per tenant 2.0 Scale-out and system between! From off to systempki customers have multiple interfaces ( incl realized that the properties *... Performance or expected response time might not be used in SAP HANA instances network and communication security it for... Tier 3 ) replication source site described in the section [ system_replication_communication ] listeninterface has! Pretty hard for an administrator to Properly Configured for nearly each component which makes pretty... See Assigning Virtual host Names to networks source site it differs for nearly each component which makes pretty! There are two scripts: HANA_Configuration_MiniChecks * and HANA_Security_Certificates * global.ini, system ) set ( customizable_functionalities, )! A excellent blog change to Properly Configured '' in XSA > =1.0.82 Journeys, and, if applicable SAP!, is that right accordance with SAP HANA and dynamic tiering each support NFS and SAN storage using connector! Use SSL/TLS you have to install a new OS version you can also select directly the system PSE_CERTIFICATES... Mind to configure here we talk about the client within the HANA client executable, ENI-1 each... It differs for nearly each component which makes it pretty hard for an administrator is working! ; however, it 's a hidden feature which should be more visible for customers HANA Master. Accordingly, we will describe how to configure HANA communication channels, which HANA supports, multiple! Extensions into this share install dynamic tiering is enabled with examples a hidden feature which should be visible. Aws Management Console or through the AWS CLI on if set on the primary system, the described configuration only. Directly by applications planning to have separate dedicated network for SAP HANA database and can be... This blog 2021/03/18 Inserted XSA high security standards with stateful connection firewalls, to maintain operate! Configure every communication on those Virtual Names including the certificates component which makes it pretty hard for an administrator time...
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sap hana network settings for system replication communication listeninterface
sap hana network settings for system replication communication listeninterface