Da das aber gewnscht ist, mssen die Zugriffskontrolllisten schrittweise um jedes bentigte Programm erweitert werden. Its location is defined by parameter gw/sec_info. P USER=* USER-HOST=internal,local HOST=internal,local TP=*. Thus, part of your reginfo might not be active.The gateway is logging an error while performing name resolution.The operating system / DNS took 5 seconds to reply - 5006ms per the error message you posted; and the response was "host unknown".If the "HOST" argument on the reginfo rule from line 9 has only one host, then the whole rule is ignored as the Gateway could not determine the IP address of the server.Kind regards. this parameter controls the value of the default internal rules that the Gateway will use, in case the reginfo/secinfo file is not maintained. As we learned in part 3 SAP introduced the following internal rule in the in the secinfo ACL: Click more to access the full version on SAP for Me (Login . NUMA steht fr Non-Uniform Memory Access und beschreibt eine Computer-Speicher-Architektur fr Multiprozessorsysteme, bei der jeder Prozessor ber einen eigenen, lokalen physischen Speicher verfgt, aber anderen Prozessoren ber einen gemeinsamen Adressraum direkten Zugriff darauf gewhrt (Distributed Shared Memory). Instead, a cluster switch or restart must be executed or the Gateway files can be read again via an OS command. Darber hinaus stellt die dauerhafte manuelle Freischaltung einzelner Verbindungen einen stndigen Arbeitsaufwand dar. This publication got considerable public attention as 10KBLAZE. The blogpost Secure Server Communication in SAP Netweaver AS ABAPor SAP note 2040644 provides more details on that. To assign the new settings to the registered programs too (if they have been changed at all), the servers must first be deregistered and then registered again. The Gateway uses the rules in the same order in which they are displayed in the file. Darber hinaus stellt die dauerhafte manuelle Freischaltung einzelner Verbindungen einen stndigen Arbeitsaufwand dar. P TP=cpict2 ACCESS=ld8060,localhost CANCEL=ld8060,localhost. Hufig ist man verpflichtet eine Migration durchzufhren. The network service that, in turn, manages the RFC communication is provided by the RFC Gateway. TP is restricted to 64 non-Unicode characters for both secinfo and reginfo files. Mglichkeit 2: Logging-basiertes Vorgehen Eine Alternative zum restriktiven Verfahren ist das Logging-basierte Vorgehen. BC-CST-GW , Gateway/CPIC , BC-NET , Network Infrastructure , Problem . In production systems, generic rules should not be permitted. Prior to the change in the reginfo and Secinfo the rfc was defined on THE dialogue instance and IT was running okay. This is defined in, how many Registered Server Programs with the same name can be registered. The notes1408081explain and provide with examples of reginfo and secinfo files. TP is a mandatory field in the secinfo and reginfo files. If no cancel list is specified, any client can cancel the program. The reginfo file has the following syntax. Then the file can be immediately activated by reloading the security files. Based on the original Gateway log files in the system, default values can be determined and generated for the ACL files directly after the evaluation of the data found. Obviously, if the server is unavailable, an error message appears, which might be better only just a warning, some entries in reginfo and logfile dev_rd shows (if the server is noch reachable), NiHLGetNodeAddr: to get 'NBDxxx' failed in 5006ms (tl=2000ms; MT; UC)*** ERROR => NiHLGetNodeAddr: NiPGetHostByName failed (rc=-1) [nixxhl.cpp 284]*** ERROR => HOST=NBDxxx invalid argument in line 9 (NIEHOST_UNKNOWN) [gwxxreg.c 2897]. 2) It is possible to change the rules in the files and reload its configuration without restart the RFC Gateway: open the transaction SMGW -> Goto -> expert functions -> external security -> reload However, in such situation, it is mandatory to de-register the registered program involved and reregister it again because programs already registered Whrend der Freischaltung aller Verbindungen wird mit dem Gateway-Logging eine Aufzeichnung aller externen Programmaufrufe und Systemregistrierungen vorgenommen. It is configured to start the tax calculation program at the CI of the SAP system, as the tax system is installed only there. To prevent the list of application servers from tampering we have to take care which servers are allowed to register themselves at the Message Server as an application server. With this blogpost series i try to give a comprehensive explanation of the RFC Gateway Security: Part 1: General questions about the RFC Gateway and RFC Gateway security. For example: an SAP SLD system registering the SLD_UC and SLD_NUC programs at an ABAP system.The secinfo file has rules related to the start of programs by the local SAP instance. The simulation mode is a feature which could help to initially create the ACLs. When using SNC to secure logon for RFC Clients or Registered Server Programs the so called SNC User ACL, also known as User Authentication, is introduced and must be maintained accordingly. The secinfo security file is used to prevent unauthorized launching of external programs. If the called program is not an RFC enabled program (compiled with the SAP RFC library) the call will time out, but the program is still left running on the OS level! Furthermore the means of some syntax and security checks have been changed or even fixed over time. To overcome this issue the RFC enabled program SAPXPG can be used as a wrapper to call any OS command. For AS ABAP the ACLs should be maintained using the built-in ACL file editor of transaction SMGW (Goto Expert Functions External Security Maintain ACL Files). The RFC Gateway allows external RFC Server programs (also known as Registered Server or Registered Server Program) to register to itself and allows RFC clients to consume the functions offered by these programs. Check the availability and use SM59 to ping all TP IDs.In the case of an SCS/ASCS instance, it cannot be reloaded via SMGW. Of course the local application server is allowed access. TP=Foo NO=1, that is, only one program with the name foo is allowed to register, all further attempts to register a program with this name are rejected. Add a Comment All subsequent rules are not checked at all. Someone played in between on reginfo file. There are various tools with different functions provided to administrators for working with security files. Part 7: Secure communication They also have a video (the same video on both KBAs) illustrating how the reginfo rules work. The reginfo file have ACLs (rules) related to the registration of external programs (systems) to the local SAP instance. All programs started by hosts within the SAP system can be started on all hosts in the system. The gateway replaces this internally with the list of all application servers in the SAP system. In case of TP Name this may not be applicable in some scenarios. The reginfo file is holding rules controlling which remote servers (based on their hostname/ip-address) are allowed to either register, access or cancel which 'Registered Server Programs' (based on their program alias (also known as 'TP name')). Part 7: Secure communication 1. other servers had communication problem with that DI. secinfo und reginfo Generator anfordern Mglichkeit 1: Restriktives Vorgehen Fr den Fall des restriktiven . In the following i will do the question and answer game to develop a basic understanding of the RFC Gateway, the RFC Gateway security and its related terms. After implementing this note, modify the Gateway security files "reg_info" and "sec_info" with TP=BIPREC* (Refer notes 614971 and 1069911). Program cpict4 is allowed to be registered by any host. If you have a program registered twice, and you restart only one of the registrations, one of the registrations will continue to run with the old rule (the one that was not restarted after the changes), and another will be running with the current rule (the recently restarted registration). You have a non-SAP tax system that needs to be integrated with SAP. In a pure Java system, one Gateway is sufficient for the whole system because the instances do not use RFC to communicate. Whlen Sie dazu das Support Package aus, das das letzte in der Queue sein soll. You can define the file path using profile parameters gw/sec_infoand gw/reg_info. On SAP NetWeaver AS ABAP there exist use cases where registering and accessing of Registered Server Programs by the local application server is necessary. Part 1: General questions about the RFC Gateway and RFC Gateway security. Part 8: OS command execution using sapxpg. The RFC destination would look like: The secinfo files from the application instances are not relevant. Ausfhrliche Erluterungen zur Funktionsweise und zur Einstellung des Kollektors finden Sie in der SAP-Onlinehilfe sowie in den SAP-Hinweisen, die in Anhang E zusammengestellt sind. Wir untersttzen Sie gerne bei Ihrer Entscheidungen. The parameter is gw/logging, see note 910919. In other words the host running the ABAP system differs from the host running the Registered Server Program, for example the SAP TREX server will register the program alias Trex__ at the RFC Gateway of an application server. Each instance can have its own security files with its own rules. The secinfo file from the CI would look like the below: In case you dont want to use the keywords local and internal, youll have to manually specify the hostnames. In ABAP systems, every instance contains a Gateway that is launched and monitored by the ABAP Dispatcher. When a remote server of a Registered Server Program is going to be shutdown due to maintenance it may de-register its program from the RFC Gateway to avoid errors. You can define the file path using profile parameters gw/sec_info and gw/reg_info. secinfo: P TP=* USER=* USER-HOST=* HOST=*. If you want to use this syntax, the whole file must be structured accordingly and the first line must contain the entry #VERSION=2 (written precisely in this format). Such third party system is to be started on demand by the SAP system.Only the (SAP level) user IDs BOB and JOHN can start this program, and they will be logged on to one of the instances from this SAP system.You have an RFC destination named TAX_SYSTEM. Individuelle Entwicklungen nimmt gerne unser SAP Development Team vor. As such, it is an attractive target for hacker attacks and should receive corresponding protections. Unfortunately, in this directory are also the Kernel programs saphttp and sapftp which could be utilized to retrieve or exfiltrate data. If these profile parameters are not set the default rules would be the following allow all rules: reginfo: P TP=* Hint: For AS ABAP the built-in ACL file editor of transaction SMGW (Goto Expert Functions External Security Maintain ACL Files) performs a syntax check. Datenbankschicht: In der Datenbank, welche auf einem Datenbankserver liegt, werden alle Daten eines Unternehmens gesichert. We made a change in the location of Reginfo and Secinfo file location we moved it to SYS directory and updated the profile parameter accordingly (instance profile). D prevents this program from being registered on the gateway. This allows default values to be determined for the security control files of the SAP Gateway (Reginfo; Secinfo; Proxyinfo) based on statistical data in the Gateway log. Common examples are the program tp for transport management via STMS started on the RFC Gateway host of AS ABAP or the program gnetx.exe for the graphical screen painter started on the SAP GUI client host. Beachten Sie, da der SAP Patch Manager die Konfiguration Ihres SAP-Systems bercksichtigt und nur solche Support Packages in die Queue aufnimmt, die in Ihr System eingespielt werden drfen.

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