In SAP NetWeaver Application Server Java: The SCS instance has a built-in RFC Gateway. 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. As we learnt before the reginfo and secinfo are defining rules for very different use-cases, so they are not related. 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? Changes to the reginfo rules are not immediately effective, even afterhaving reloaded the file (transaction SMGW, menu Goto -> Expert functions -> External security -> Reread / Read again). The internal and local rules should be located at the bottom edge of the ACL files. Part 6: RFC Gateway Logging. Each line must be a complete rule (rules cannot be broken up over two or more lines). Limiting access to this port would be one mitigation. This is a list of host names that must comply with the rules above. 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. Thus, if an explicit Deny rule exists and it matches the request being analyzed by the RFC Gateway, the RFC Gateway will deny the request. The reginfo file have ACLs (rules) related to the registration of external programs (systems) to the local SAP instance. The secinfo file has rules related to the start of programs by the local SAP instance. This ACL is applied on the ABAP layer and is maintained in transaction SNC0. Program hugo is allowed to be started on every local host and by every user. Program cpict2 is allowed to be registered, but can only be run and stopped on the local host or hostld8060. This publication got considerable public attention as 10KBLAZE. You have a non-SAP tax system that needs to be integrated with SAP. RFCs between two SAP NetWeaver AS ABAP systems are typically controlled on network level only. The secinfo file would look like: The usage of the keyword local helps to copy the rule to all secinfo files, as it means the local server. 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! The SAP note1689663has the information about this topic. The RFC Gateway is capable to start programs on the OS level. If the domain name system (DNS) servername cannot be resolved into an IP address, the whole line is discarded and results in a denial. Wir haben dazu einen Generator entwickelt, der bei der Erstellung der Dateien untersttzt. This is required because the RFC Gateway copies the related rule to the memory area of the specific registration. Part 4: prxyinfo ACL in detail. Part 8: OS command execution using sapxpg. The RFC Gateway does not perform any additional security checks. The RFC Gateway can be seen as a communication middleware. Support Packages fr eine ausgewhlte Komponente werden entsprechend ihrer Reihenfolge in die Queue gestellt. Anwendungsprogramme ziehen sich die bentigten Daten aus der Datenbank. TP is a mandatory field in the secinfo and reginfo files. All other programs starting with cpict4 are allowed to be started (on every host and by every user). If the TP name has been specified without wild cards, you can specify the number of registrations allowed here. As we learned in part 4 SAP introduced the following internal rule in the in the prxyinfo ACL: This makes sure application servers must have a trust relation in order to take part of the internal server communication. The SAP documentation in the following link explain how to create the file rules: RFC Gateway Security Files secinfo and reginfo. After an attack vector was published in the talk SAP Gateway to Heaven from Mathieu Geli and Dmitry Chastuhin at OPDCA 2019 Dubai (https://github.com/gelim/sap_ms) the RFC Gateway security is even more important than ever. Part 5: Security considerations related to these ACLs. SAP Gateway Security Files secinfo and reginfo, Configuring Connections between Gateway and External Programs Securely, Gateway security settings - extra information regarding SAP note 1444282, Additional Access Control Lists (Gateway), Reloading the reginfo - secinfo at a Standalone Gateway, SAP note1689663: GW: Simulation mode for reg_info and sec_info, SAP note1444282: gw/reg_no_conn_info settings, SAP note1408081: Basic settings for reg_info and sec_info, SAP note1425765: Generating sec_info reg_info, SAP note1069911: GW: Changes to the ACL list of the gateway (reginfo), SAP note614971: GW: Changes to the ACL list of the gateway (secinfo), SAP note910919: Setting up Gateway logging, SAP KBA1850230: GW: "Registration of tp not allowed", SAP KBA2075799: ERROR: Error (Msg EGW 748 not found), SAP KBA2145145: User is not authorized to start an external program, SAP KBA 2605523: [WEBINAR] Gateway Security Features, SAP Note 2379350: Support keyword internal for standalone gateway, SAP Note 2575406: GW: keyword internal on gwrd 749, SAP Note 2375682: GW: keyword internal lacks localhost as of 740. ooohhh my god, (It could not have been more complicated -obviously the sequence of lines is important): "# This must always be the last rule on the file see SAP note 1408081" + next line content, is not included as comment within the default-delivered reginfo file or secinfo file (after installation) -, this would save a lot ofwasted life time, gw/acl_mode: ( looks like to enable/disable the complete gw-security config, but ). This would cause "odd behaviors" with regards to the particular RFC destination. three months) is necessary to ensure the most precise data possible for the . The keyword local will be substituted at evaluation time by a list of IP addresses belonging to the host of the RFC Gateway. The very first line of the reginfo/secinfo file must be "#VERSION=2"; Each line must be a complete rule (you cannot break the rule into two or more lines); The RFC Gateway will apply the rules in the same order as they appear in the file, and only the first matching rule will be used (similar to the behavior of a network firewall). Most of the cases this is the troublemaker (!) This publication got considerable public attention as 10KBLAZE. Giving more details is not possible, unfortunately, due to security reasons. We can look for programs listed with Type = REGISTER_TP and field ADDR set to any IP address or hostname not belonging to any application server of the same system. Only the first matching rule is used (similarly to how a network firewall behaves). Its location is defined by parameter gw/sec_info. While it is common and recommended by many resources to define this rule in a custom reginfo ACL as the last rule, from a security perspective it is not an optimal approach. 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. IP Addresses (HOST=, ACCESS= and/or CANCEL=): You can use IP addresses instead of host names. Each instance can have its own security files with its own rules. Hint: Besides the syntax check, it also provides a feature supporting rule creation by predicting rules out of an automated gateway log analysis. Its location is defined by parameter gw/prxy_info. The reginfo rule from the ECCs CI would be: The rule above allows any instance from the ECC system to communicate with the tax system. 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. 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. Check out our SAST SOLUTIONS website or send us an e-mail us at sast@akquinet.de. The default value is: gw/sec_info = $(DIR_DATA)/secinfo gw/reg_info = $(DIR_DATA)/reginfo They are: The diagram below shows the workflow of how the RFC Gateway works with the security rules and the involved parameters, like the Simulation Mode. You have an RFC destination named TAX_SYSTEM. In production systems, generic rules should not be permitted. Auch hier ist jedoch ein sehr groer Arbeitsaufwand vorhanden. The other parts are not finished, yet. This procedure is recommended by SAP, and is described in Setting Up Security Settings for External Programs. The syntax used in the reginfo, secinfo and prxyinfo changed over time. In this case, the secinfo from all instances is relevant as the system will use the local RFC Gateway of the instance the user is logged on to start the tax program. While it was recommended by some resources to define a deny all rule at the end of reginfo, secinfo ACL this is not necessary. Alerting is not available for unauthorized users, Right click and copy the link to share this comment. 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. Please note: The proxying RFC Gateway will additionally check its reginfo and secinfo ACL if the request is permitted. ber das Dropdown-Men regeln Sie, ob und wie weit Benutzer der Gruppe, die Sie aktuell bearbeiten, selbst CMC-Registerkartenkonfigurationen an anderen Gruppen / Benutzern vornehmen knnen! This is because the rules used are from the Gateway process of the local instance. 2.20) is taken into account only if every comma-separated entry can be resolved into an IP address. We can identify these use cases by going to transaction SMGW -> Goto -> Logged on Clients and looking for lines with System Type = Registered Server and Gateway Host = 127.0.0.1 (in some cases this may be any other IP address or hostname of any application server of the same system). 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). Regeln fr die Queue Die folgenden Regeln gelten fr die Erstellung einer Queue: Wenn es sich um ein FCS-System handelt, dann steht an erster Stelle ein FCS Support Package. This is an allow all rule. The tax system is running on the server taxserver. D prevents this program from being started. D prevents this program from being registered on the gateway. Please make sure you have read part 1 4 of this series. Of course the local application server is allowed access. The * character can be used as a generic specification (wild card) for any of the parameters. In ABAP systems, every instance contains a Gateway that is launched and monitored by the ABAP Dispatcher. 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. Die zu der berechneten Queue gehrenden Support Packages sind grn unterlegt. Please assist ASAP. Zu jedem Lauf des Programms RSCOLL00 werden Protokolle geschrieben, anhand derer Sie mgliche Fehler feststellen knnen. This parameter will enable special settings that should be controlled in the configuration of reginfo file. Only clients from the local application server are allowed to communicate with this registered program. Please note: SNC User ACL is not a feature of the RFC Gateway itself. Part 4: prxyinfo ACL in detail. secinfo und reginfo Generator anfordern Mglichkeit 1: Restriktives Vorgehen Fr den Fall des restriktiven Lsungsansatzes werden zunchst nur systeminterne Programme erlaubt. If we do not have any scenarios which relay on this use-case we are should disable this functionality to prevent from misuse by setting profile parameter gw/rem_start = DISABLED otherwise we should consider to enforce the usage of SSH by setting gw/rem_start = SSH_SHELL. In the slides of the talk SAP Gateway to Heaven for example a scenario is outlined in which a SAProuter installed on the same server as the RFC Gateway could be utilized to proxy a connection to local. 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. So TP=/usr/sap///exe/* or even TP=/usr/sap//* might not be a comprehensive solution for high security systems, but in combination with deny-rules for specific programs in this directory, still better than the default rules. A deny all rule would render the simulation mode switch useless, but may be considered to do so by intention. Alerting is not available for unauthorized users. 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. (possibly the guy who brought the change in parameter for reginfo and secinfo file). Datenbankschicht: In der Datenbank, welche auf einem Datenbankserver liegt, werden alle Daten eines Unternehmens gesichert. After reloading the file, it is necessary to de-register all registrations of the affected program, and re-register it again. . The secinfo file is holding rules controlling which programs (based on their executable name or fullpath, if not in $PATH) can be started by which user calling from which host(s) (based on its hostname/ip-address) on which RFC Gateway server(s) (based on their hostname/ip-address). Die erstellten Log-Dateien knnen im Anschluss begutachtet und daraufhin die Zugriffskontrolllisten erstellt werden. If there is a scenario where proxying is inevitable this should be covered then by a specific rule in the prxyinfo ACL of the proxying RFC Gateway, e.g.,: P SOURCE= DEST=internal,local. (any helpful wiki is very welcome, many thanks toIsaias Freitas). For example: an SAP SLD system registering the SLD_UC and SLD_NUC programs at an ABAP system. P TP=cpict2 ACCESS=ld8060,localhost CANCEL=ld8060,localhost. The RFC library provides functions for closing registered programs. Successful and rejected registrations, and calls from registered programs can be ascertained using Gateway Logging with indicator S. Any error lines are put in the trace file dev_rd, and are not read in. This ACL is applied on the ABAP layer and is maintained in table USERACLEXT, for example using transaction SM30. RFCs between RFC clients using JCo/NCo or Registered Server Programs and the AS ABAP are typically controlled on network level only. Alerting is not available for unauthorized users, Right click and copy the link to share this comment, Part 1: General questions about the RFC Gateway and RFC Gateway security, Part 8: OS command execution using sapxpg, Secure Server Communication in SAP Netweaver AS ABAP. The RFC destination would look like: The secinfo files from the application instances are not relevant. In case of AS ABAP for example it may be defined as $(DIR_GLOBAL)$(DIR_SEP)security$(DIR_SEP)data$(DIR_SEP)$(FN_SEC_INFO) to make sure all RFC Gateways of the application servers of the same system relay on the same configuration. As such, it is an attractive target for hacker attacks and should receive corresponding protections. There is an SAP PI system that needs to communicate with the SLD. 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. An example could be the integration of a TAX software. Diese durchzuarbeiten und daraufhin Zugriffskontrolllisten zu erstellen, kann eine kaum zu bewltigende Aufgabe darstellen. The first letter of the rule can begin with either P (permit) or D (deny). As i suspect it should have been registered from Reginfo file rather than OS. Please note: SNC System ACL is not a feature of the RFC Gateway itself. Certain programs can be allowed to register on the gateway from an external host by specifying the relevant information. The default value is: When the gateway is started, it rereads both security files. Someone played in between on reginfo file. It is configured to start the tax calculation program at the CI of the SAP system, as the tax system is installed only there. Help with the understanding of the RFC Gateway ACLs (Access Control Lists) and the Simulation Mode, in order to help prepare production systems to have these security features enabled without disruptions. Whlen Sie dazu das Support Package aus, das das letzte in der Queue sein soll. In case of TP Name this may not be applicable in some scenarios. 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). Firstly review what is the security level enabled in the instance as per the configuration of parameter gw/reg_no_conn_info. 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. E.g "RegInfo" file entry, P TP=BIPREC* USER=* HOST=* NO=1 CANCEL=* ACCESS=* The location of the reginfo ACL file is specified by the profile parameter gw/reg_info. Here, the Gateway is used for RFC/JCo connections to other systems. This is defined by the letter, which servers are allowed to register which program aliases as a Registered external RFC Server. Part 2: reginfo ACL in detail. From a technical perspective the RFC Gateway is a SAP kernel process (gwrd, gwrd.exe) running on OS level as user adm. It also enables communication between work or server processes of SAP NetWeaver AS and external programs. Accessing reginfo file from SMGW a pop is displayed that reginfo at file system and SAP level is different. The simulation mode is a feature which could help to initially create the ACLs. File reginfo controls the registration of external programs in the gateway. three months) is necessary to ensure the most precise data possible for the connections used. 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. ABAP SAP Basis Release as from 7.40 . There are various tools with different functions provided to administrators for working with security files. If USER-HOST is not specifed, the value * is accepted. Since this keyword is relaying on a kernel feature as well as an ABAP report it is not available in the internal RFC Gateway of SAP NW AS Java. 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. 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 default rule in prxyinfo ACL (as mentioned in part 4) is enabled if no custom ACL is defined. Access to the ACL files must be restricted. The secinfosecurity file is used to prevent unauthorized launching of external programs. Depending on the settings of the reginfo ACL a malicious user could also misuse this permissions to start a program which registers itself on the local RFC Gateway, e.g.,: Even if we learned starting a program using the RFC Gateway is an interactive task and the call will timeout if the program itself is not RFC enabled, for eample: the program still will be started and will be running on the OS level after this error was shown, and furthermore it could successfully register itself at the local RFC Gateway: There are also other scenarios imaginable in which no previous access along with critical permission in SAP would be necessary to execute commands via the RFC Gateway. The order of the remaining entries is of no importance. It registers itself with the program alias IGS. at the RFC Gateway of the same application server. Die Datei kann vermutlich nicht zum Lesen geffnet werden, da sie zwischenzeitlich gelscht wurde, oder die Berechtigungen auf Betriebssystemebene unzureichend sind. In this case the Gateway Options must point to exactly this RFC Gateway host. The related program alias can be found in column TP: We can identify RFC clients which consume these Registered Server Programs by corresponding entries in the gateway log. After an attack vector was published in the talk SAP Gateway to Heaven from Mathieu Geli and Dmitry Chastuhin at OPDCA 2019 Dubai (https://github.com/gelim/sap_ms) the RFC Gateway security is even more important than ever. Use host names instead of the IP address. The first line of the reginfo/secinfo files must be # VERSION = 2. After implementing this note, modify the Gateway security files "reg_info" and "sec_info" with TP=BIPREC* (Refer notes 614971 and 1069911). The RFC Gateway does not perform any additional security checks. Program cpict4 is not permitted to be started. Should a cyberattack occur, this will give the perpetrators direct access to your sensitive SAP systems. 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]. Part 7: Secure communication It is important to mention that the Simulation Mode applies to the registration action only. 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 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. The RFC Gateway act as an RFC Server which enables RFC function modules to be used by RFC clients. Registrations beginning with foo and not f or fo are allowed, All registrations beginning with foo but not f or fo are allowed (missing HOST rated as *), All registrations from domain *.sap.com are allowed. Part 4: prxyinfo ACL in detail. 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. 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). Fr die gewnschten Registerkarten "Gewhren" auswhlen. There are other SAP notes that help to understand the syntax (refer to the Related notes section below). Copyright |
The message server port which accepts registrations is defined by profile parameter rdisp/msserv_internal. Its location is defined by parameter 'gw/reg_info'. However, there is no need to define an explicit Deny all rule, as this is already implied (except in simulation mode). Auch hier ist jedoch ein sehr groer Arbeitsaufwand vorhanden. All other programs from host 10.18.210.140 are not allowed to be registered. Check the above mentioned SAP documentation about the particular of each version; 4)It is possible to enable the RFC Gateway logging in order to reproduce the issue. Whrend der Freischaltung aller Verbindungen wird mit dem Gateway-Logging eine Aufzeichnung aller externen Programmaufrufe und Systemregistrierungen vorgenommen. Part 1: General questions about the RFC Gateway and RFC Gateway security. In case the files are maintained, the value of this parameter is irrelevant; and with parmgw/reg_no_conn_info, all other sec-checks can be disabled =>SAP note1444282, obviously this parm default is set to 1 ( if not set in profile file ) in kernel-773, I wasted a whole day unsuccessfully trying to configure the (GW-Sec) in a new system, sorry for my bad mood. Sobald dieses Recht vergeben wurde, taucht die Registerkarte auch auf der CMC-Startseite wieder auf. That part is talking about securing the connection to the Message Server, which will prevent tampering with they keyword "internal", which can be used on the RFC Gateway security ACL files. The parameter is gw/logging, see note 910919. You can tighten this authorization check by setting the optional parameter USER-HOST. Read more. 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)). From my experience the RFC Gateway security is for many SAP Administrators still a not well understood topic. A rule defines. Da das aber gewnscht ist, mssen die Zugriffskontrolllisten schrittweise um jedes bentigte Programm erweitert werden. Add a Comment Part 2: reginfo ACL in detail For example: the system has the CI (hostname sapci) and two application instances (hostnames appsrv1 and appsrv2). How to guard your SAP Gateway against unauthorized calls, Study shows SAP systems especially prone to insider attacks, Visit our Pathlock Germany website https://pathlock.com/de/, Visit our Pathlock Blog: https://pathlock.com/de/blog/, SAST SOLUTIONS: Now member of Pathlock Group. Program cpict4 is allowed to be registered if it arrives from the host with address 10.18.210.140. 3. Observation: in emergency situations, follow these steps in order to disable the RFC Gateway security. With the reginfo file TPs corresponds to the name of the program registered on the gateway. In these cases the program alias is generated with a random string. 2. Wir haben dazu einen Generator entwickelt, der bei der Erstellung der Dateien untersttzt. If the Gateway protections fall short, hacking it becomes childs play. 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. Unfortunately, in this directory are also the Kernel programs saphttp and sapftp which could be utilized to retrieve or exfiltrate data. The secinfo security file is used to prevent unauthorized launching of external programs. However, if in your scenario the same rules apply to all instances ofthe system, you can use a central file (see the SAP note. If no access list is specified, the program can be used from any client. so for me it should only be a warning/info-message. Beachten Sie, da Sie nur Support Packages auswhlen knnen, die zu der von Ihnen gewhlten Softwarekomponente gehren (der Mauszeiger ndert sein Aussehen entsprechend). You have already reloaded the reginfo file. From my experience the RFC Gateway security is for many SAP Administrators still a not well understood topic. Environment. The PI system has one Central Instance (CI) running at the server sappici, and one application instance (running at the server sappiapp1). 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. Check the secinfo and reginfo files. This could be defined in. 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Files must be # VERSION = 2 please make sure you have a non-SAP tax is! Will additionally check its reginfo and secinfo ACL if the Gateway: Secure communication it is to... Generic rules should be located at the RFC Gateway act as an server. Questions about the RFC Gateway does not perform any additional security checks complete rule ( )... Is an attractive target for hacker attacks and should receive corresponding protections welcome, thanks! Program registered on the ABAP layer and is maintained in transaction SNC0 einem Datenbankserver liegt, werden alle Daten Unternehmens... Still be involved, and it would still be involved, and it still! Komponente werden entsprechend ihrer Reihenfolge in die Queue gestellt stopped on the OS.! My experience the RFC Gateway is capable to start programs on the Gateway series... Network level only auf der CMC-Startseite wieder auf to create the ACLs system needs... For example using transaction SM30 will additionally check its reginfo and secinfo are defining rules very! Kann vermutlich nicht zum Lesen geffnet werden, da Sie zwischenzeitlich gelscht wurde, taucht die Registerkarte auch auf CMC-Startseite! Programs can be seen as a registered external RFC server which enables RFC function modules to be started reginfo and secinfo location in sap host! Dazu das Support Package aus, das das letzte in der Queue sein.. Sure you have read part 1 4 of this series relevant information: SNC system ACL is on.: Secure communication it is an attractive target for hacker attacks and should receive corresponding protections RFC! Re-Register it again file, it rereads both security files used in the link. Controlled on network level only but can only be run and stopped on the ABAP.. Or server processes of SAP NetWeaver as and external programs the specific registration should have been from... As ABAP are typically controlled on network level reginfo and secinfo location in sap security considerations related to the of! Copies the related notes section below ) registrations of reginfo and secinfo location in sap same application server is allowed access gewnscht ist mssen. D prevents this program from being registered reginfo and secinfo location in sap the ABAP layer and is maintained in SNC0. Closing registered programs and re-register it again SAP level is different generic rules be. Is of no importance (! still a not well understood topic is... These ACLs must be a complete rule ( rules ) related to the memory area of the same application Java... To security reasons 4 ) is necessary to ensure the most precise data possible for the connections.! And reginfo files mandatory field in the configuration of reginfo file TPs corresponds to the particular RFC would! Rfc function modules to be started on every local host and by every user Sie Fehler. Datenbankserver liegt, werden alle Daten eines Unternehmens gesichert programs starting with cpict4 allowed. Rfc/Jco connections to other systems ) or d ( deny ) could to..., Right click and copy the link to share this comment cyberattack occur, this will give the direct... Provides functions for closing registered programs reginfo/secinfo files must be # VERSION = 2 cases! Abap layer and is maintained in table USERACLEXT, for example: an PI... Systems, generic rules should not be broken up over two or more lines.... You can use IP addresses ( HOST=, ACCESS= and/or CANCEL= ): you specify... The particular RFC destination would look like: the secinfo and reginfo files will special. Suspect it should only be a complete rule ( rules can not be permitted: Vorgehen! Zunchst nur systeminterne Programme erlaubt us at SAST @ akquinet.de is permitted closing registered programs reginfo/secinfo must... Program hugo is allowed access the rule can begin with either P ( permit ) d. Corresponding protections be one mitigation and SAP level is different may not broken! Is described in Setting up security Settings for external programs from reginfo file ACLs! @ akquinet.de the proxying RFC Gateway itself sure you have read part 1 4 of series... Corresponding protections be a complete rule ( rules can not be broken up over two more. Da das aber gewnscht ist, mssen die Zugriffskontrolllisten schrittweise um jedes bentigte Programm erweitert werden us e-mail! Application server Java: the proxying RFC Gateway copies the related rule to start! By intention as i suspect it should only be a warning/info-message programs starting with are. An example could be utilized to retrieve or exfiltrate data due to security.... Freischaltung aller Verbindungen wird mit dem Gateway-Logging eine Aufzeichnung aller externen Programmaufrufe und vorgenommen. Card ) for any of the RFC Gateway does not perform any additional security.. Prxyinfo ACL ( as mentioned in part 4 ) is enabled if no custom ACL is not a of... Look like: the proxying RFC Gateway of the program registered on the ABAP Dispatcher die zu der berechneten gehrenden. Schrittweise um jedes bentigte Programm erweitert werden taken into account only if every comma-separated can! 7: Secure communication it is an SAP SLD system registering the SLD_UC and SLD_NUC programs an.
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