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Change Key exchange fail



we are trying to generate our PRTG server DH key exchange from 1024 to 2048, but error appear after generating the key. Here is the error message

PS C:\Program Files (x86)\PRTG Network Monitor\cert> ..\openssl.exe dhparam -out dh.pem -2 2048; Restart-Service PRTGCoreService -Confirm
4324:error:02001015:system library:fopen:Is a directory:.\crypto\bio\bss_file.c:175:fopen('D:\projects\PRTG\libraries\openssl\openssl-1.0.2k\00_openssl_binaries_32/ssl/openssl.cnf','rb')
4324:error:2006D002:BIO routines:BIO_new_file:system lib:.\crypto\bio\bss_file.c:184:
4324:error:0E078002:configuration file routines:DEF_LOAD:system lib:.\crypto\conf\conf_def.c:197:

we are referring to this link https://kb.paessler.com/en/topic/64622-how-can-i-generate-a-dh-key-that-is-longer-than-the-existing-default-key-in-prtg

Our current PRTG server version is x64

keyexchange prtg snmp

Created on Jul 13, 2023 2:33:18 AM

Last change on Jul 13, 2023 9:02:13 AM by  Felix Wiesneth [Paessler Support]

1 Reply



The article you are mentioning applies to PRTG version 22 or newer. We recommend to update your PRTG first.

Created on Jul 18, 2023 1:15:47 AM by  Jonathan Mena [Paessler Technical Support]

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