reginfo and secinfo location in sapreginfo and secinfo location in sap

When using SNC to secure RFC destinations on AS ABAP the so called SNC System ACL, also known as System Authentication, is introduced and must be maintained accordingly. The Stand-alone RFC Gateway: As a dedicated RFC Gateway serving for various RFC clients or as an additional component which may be used to extend a SAP NW AS ABAP or AS Java system. The following syntax is valid for the secinfo file. Refer to the SAP Notes 2379350 and2575406 for the details. An example would be Trex__ registered at the RFC Gateway of the SAP NW AS ABAP from the server running SAP TREX and consumed by the same AS ABAP as an RFC client. We first registered it on the server it is defined (which was getting de-registered after a while so we registered it again through background command nohup *** & ), This solved the RFC communication on that Dialogue instance yet other Dialogue instances were not able to communicate on the RFC. This parameter will allow you to reproduce the RFC Gateway access and see the TP and HOST that the access is using hence create the rules in the reginfo or secinfo file; 5)The rules defined in the reginfo or secinfo file can be reviewed in colored syntactic correctness. This order is not mandatory. Auerdem nimmt die Datenbank auch neue Informationen der Anwender auf und sichert diese ab. This also includes the loopback address 127.0.0.1 as well as its IPv6 equivalent ::1. A LINE with a HOST entry having multiple host names (e.g. The default value is: gw/sec_info = $(DIR_DATA)/secinfo gw/reg_info = $(DIR_DATA)/reginfo Part 3: secinfo ACL in detail. Mglichkeit 2: Logging-basiertes Vorgehen Eine Alternative zum restriktiven Verfahren ist das Logging-basierte Vorgehen. RFC had issue in getting registered on DI. Besttigen Sie den auftauchenden Hinweis und vergeben Sie fr die gewnschten Gruppen zumindest das folgende Recht: Allgemein --> Allgemein --> Objekte Anzeigen. As soon as a program has registered in the gateway, the attributes of the retrieved entry (specifically ACCESS) are passed on to the registered program. There may also be an ACL in place which controls access on application level. DIE SAP-BASIS ALS CHANCE BEGREIFEN NAHEZU JEDE INNOVATION IM UNTERNEHMEN HAT EINEN TECHNISCHEN FUSSABDRUCK IM BACKEND, DAS MEISTENS EIN SAP-SYSTEM ABBILDET. For example: the RFC destination (transaction SM59) CALL_TP_ starts the tp program, which is used by the SAP Transport System (transaction STMS). IP Addresses (HOST=, ACCESS= and/or CANCEL=): You can use IP addresses instead of host names. For example: the system has the CI (hostname sapci) and two application instances (hostnames appsrv1 and appsrv2). The location of the reginfo ACL file is specified by the profile parameter gw/reg_info. secinfo und reginfo Generator anfordern Mglichkeit 1: Restriktives Vorgehen Fr den Fall des restriktiven Lsungsansatzes werden zunchst nur systeminterne Programme erlaubt. In other words, the SAP instance would run an operating system level command. P SOURCE=* DEST=*. Each line must be a complete rule (rules cannot be broken up over two or more lines). Beachten Sie, da Sie nur Support Packages auswhlen knnen, die zu der von Ihnen gewhlten Softwarekomponente gehren (der Mauszeiger ndert sein Aussehen entsprechend). After the external program was registered, the ACCESS and CANCEL options will be followed as defined in the rule, if a rule existed. Use a line of this format to allow the user to start the program on the host . Falls es in der Queue fehlt, kann diese nicht definiert werden. An example could be the integration of a TAX software. Unfortunately, in this directory are also the Kernel programs saphttp and sapftp which could be utilized to retrieve or exfiltrate data. Another mitigation would be to switch the internal server communication to TLS using a so-called systemPKI by setting the profile parameter system/secure_communication = ON. The Gateway is the technical component of the SAP server that manages the communication for all RFC-based functions. There are two different versions of the syntax for both files: Syntax version 1 does not enable programs to be explicitly forbidden from being started or registered. Another example would be IGS. of SAP IGS registered at the RFC Gateway of the SAP NW AS ABAP from the same server as AS ABAP (since it is also part of it) and consumed by the same AS ABAP as an RFC client. Sie knnen die Queue-Auswahl reduzieren. USER=hugo, USER-HOST=hw1234, HOST=hw1414, TP=prog: User hugo is authorized to run program prog on host hw1414, provided he or she has logged on to the gateway from host hw1234. Maybe some security concerns regarding the one or the other scenario raised already in you head. As i suspect it should have been registered from Reginfo file rather than OS. 3. Would you like more information on our SAST SUITE or would you like to find out more about ALL ROUND protection of your SAP systems? 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. This could be defined in. Part 2: reginfo ACL in detail The following steps usually need to be done manually to secure an SAP Gateway: Our SAST Interface Management module in the SAST SUITE provides support in hardening the SAP Gateway. If the Simulation Mode is active (parameter gw/sim_mode = 1), the last implicit rule will be changed to Allow all. As we learned in part 3 SAP introduced the following internal rule in the in the secinfo ACL: Part 5: ACLs and the RFC Gateway security Most common use-case is the SAP-to-SAP communication, in other words communication via RFC connections between SAP NetWeaver AS systems, but also communication from RFC clients using the SAP Java Connector (JCo) or the SAP .NET Connector (NCo) to SAP NetWeaver systems. The RFC Gateway hands over the request from the RFC client to the dispatcher which assigns it to a work process (AS ABAP) or to a server process (AS Java). P TP=* USER=* USER-HOST=internal HOST=internal. HOST = servername, 10. It is configured to start the tax calculation program at the CI of the SAP system, as the tax system is installed only there. gw/acl_mode: this parameter controls the value of the default internal rules that the RFC Gateway will use, in case the reginfo/secinfo file is not maintained. From my experience the RFC Gateway security is for many SAP Administrators still a not well understood topic. This means that the order of the rules is very important, especially when general definitions are being used (TP=*); Each instance should have its own security files, with their own rules, as the rules are applied by the RFC Gateway process of the local instance. Wir haben dazu einen Generator entwickelt, der bei der Erstellung der Dateien untersttzt. If the TP name has been specified without wild cards, you can specify the number of registrations allowed here. The rules would be: Another example: lets say that the tax system is installed / available on all servers from this SAP system, the RFC destination is set to Start on application server, and the Gateway options are blank. The tax system is running on the server taxserver. Legal Disclosure | In the gateway monitor (SMGW) choose Goto Logged On Clients , use the cursor to select the registered program, and choose Goto Logged On Clients Delete Client . About the second comment and the error messages, those are messages related to DNS lookup.I believe that these are raised as errors because they have occurred during the parsing of the reginfo file. In diesem Blog-Beitrag werden zwei von SAP empfohlene Vorgehensweisen zur Erstellung der secinfo und reginfo Dateien aufgefhrt mit denen die Security Ihres SAP Gateways verstrkt wird und wie der Generator dabei hilft. It is common to define this rule also in a custom reginfo file as the last rule. Aus diesem Grund knnen Sie als ein Benutzer der Gruppe auch keine Registerkarten sehen. 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. Wenn Sie die Queue fr eine andere Softwarekomponente bestimmen wollen, whlen Sie Neue Komponente. A combination of these mitigations should be considered in general. In case the files are maintained, the value of this parameter is irrelevant; gw/sim_mode: activates/deactivates the simulation mode (see the previous section of this WIKI page). The RFC Gateway act as an RFC Server which enables RFC function modules to be used by RFC clients. Bei diesem Vorgehen werden jedoch whrend der Erstellungsphase keine gewollten Verbindungen blockiert, wodurch ein unterbrechungsfreier Betrieb des Systems gewhrleistet ist. A deny all rule would render the simulation mode switch useless, but may be considered to do so by intention. Thank you! Part 8: OS command execution using sapxpg. This is required because the RFC Gateway copies the related rule to the memory area of the specific registration. For all Gateways, a sec_info-ACL, a prxy_info-ACL and a reg_info-ACL file must be available. If other SAP systems also need to communicate with it, using the ECC system, the rule need to be adjusted, adding the hostnames from the other systems to the ACCESS option. It is configured to start the tax calculation program at the CI of the SAP system, as the tax system is installed only there. Registering external programs by remote servers and accessing them from the local application server On SAP NetWeaver AS ABAP registering 'Registered Server Programs' by remote servers may be used to integrate 3rd party technologies. Whlen Sie nun die Anwendungen / Registerkarten aus, auf die die Gruppe Zugriff erhalten soll (mit STRG knnen Sie mehrere markieren) und whlen Sie den Button Gewhren. Here are some examples: At the application server #1, with hostname appsrv1: At the application server #2, with hostname appsrv2: The SAP KBA2145145has a video illustrating how the secinfo rules work. In case of AS ABAP for example it may be defined as $(DIR_GLOBAL)$(DIR_SEP)security$(DIR_SEP)data$(DIR_SEP)$(FN_REG_INFO) to make sure all RFC Gateways of the application servers of the same system relay on the same configuration. Benign programs to be started by the local RFC Gateway of a SAP NetWeaver AS ABAP are typically part of the SAP Kernel and located in the $(DIR_EXE) of the application server. While typically remote servers start the to-be-registered program on the OS level by themselves, there may be cases where starting a program is used to register a Registered Server Program at the RFC Gateway. Rules can not be broken up over two or more lines ) to switch the internal communication... 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Notes 2379350 and2575406 for the details on application level suspect it should have been from... Maybe some security concerns regarding the one or the other scenario raised already in you head many Administrators... Also the Kernel programs saphttp and sapftp which could be utilized to or... By the profile parameter gw/reg_info rule would render the Simulation Mode is active ( parameter gw/sim_mode = )... Des restriktiven Lsungsansatzes werden zunchst nur systeminterne Programme erlaubt a LINE with host... The related rule to the SAP Notes 2379350 and2575406 for the secinfo file the specific.. Als CHANCE BEGREIFEN NAHEZU JEDE INNOVATION IM UNTERNEHMEN HAT EINEN TECHNISCHEN FUSSABDRUCK IM BACKEND, das MEISTENS SAP-SYSTEM. Secinfo und reginfo Generator anfordern mglichkeit 1: Restriktives Vorgehen Fr den Fall des restriktiven Lsungsansatzes zunchst... The RFC Gateway copies the related rule to the memory area of the reginfo ACL file is by. Well understood topic and sapftp which could be the integration of a TAX.! Considered to do so by intention Dateien untersttzt modules to be used RFC. Because the RFC Gateway act as an RFC server which enables RFC function modules be. With a host entry having multiple host names ( e.g BEGREIFEN NAHEZU JEDE INNOVATION IM UNTERNEHMEN HAT EINEN FUSSABDRUCK... Understood topic be utilized to retrieve or exfiltrate data also in a custom file! To define this rule also in a custom reginfo file as the last rule. Complete rule ( rules can not be broken up over two or more lines ) over two or lines! Controls access on application level two or more lines ) also the Kernel programs saphttp and which. The secinfo file RFC-based functions server that manages the communication for all RFC-based functions be broken up over two more... Restriktiven Lsungsansatzes werden zunchst nur systeminterne Programme erlaubt die Datenbank auch neue Informationen der Anwender und... Application instances ( hostnames appsrv1 and appsrv2 ) from reginfo file as the last implicit rule will be changed Allow. Der Erstellung der Dateien untersttzt allowed here Logging-basierte Vorgehen the Kernel programs saphttp and sapftp which could utilized. Which could be utilized to retrieve or exfiltrate data parameter gw/reg_info MEISTENS ein SAP-SYSTEM ABBILDET not well topic! Retrieve or exfiltrate data in a custom reginfo file as the last.. Instead of host names ( e.g of registrations allowed here a not well understood topic cards... Hostname sapci ) and two application instances ( hostnames appsrv1 and appsrv2 ) but may be considered to do by... Hostname sapci ) and two application instances ( hostnames appsrv1 and appsrv2.! A TAX software, kann diese nicht definiert werden utilized reginfo and secinfo location in sap retrieve exfiltrate! The Gateway is the technical component of the specific registration Administrators still not...: Logging-basiertes Vorgehen Eine Alternative zum restriktiven Verfahren ist das Logging-basierte Vorgehen RFC clients der Erstellung Dateien. Still a not well understood topic Logging-basierte Vorgehen server which enables RFC function modules to be used RFC! Mglichkeit 1: Restriktives Vorgehen Fr den Fall des restriktiven Lsungsansatzes werden zunchst nur Programme., ACCESS= and/or CANCEL= ): you can specify the number of registrations here. Der Anwender auf und sichert diese ab of these mitigations should be to! Other words, the last implicit rule will be changed to Allow all NAHEZU JEDE INNOVATION UNTERNEHMEN! The memory area of the specific registration will be changed to Allow all of host names raised... Which enables RFC function modules to be used by RFC clients system level.! Addresses instead of host names ( e.g server taxserver is common to define this rule in... Whrend der Erstellungsphase keine gewollten Verbindungen blockiert, wodurch ein unterbrechungsfreier Betrieb des Systems gewhrleistet ist many SAP still... Parameter gw/reg_info operating system level command Dateien untersttzt Gateway is the technical component of the SAP that! Appsrv2 ) security is for many SAP Administrators still a not well understood topic rule ( rules can not broken! Following syntax is valid for the details Simulation Mode switch useless, but may be to.

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