Doubts in Netopeer2-cli Listen command about netopeer2 HOT 3 OPEN

Nothing I can help with, obviously a libssh issue. And you must be using an old libnetconf2 version if you could compile it with libssh 0.8.6, currently the oldest supported version is 0.9.5 so if you updated it, it should work.

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Thanks Michal but the issue is I'm unable to install the latest libssh due to compiling issue regarding openssl fips . I have checked with latest openssl 3 version and also along with it I have installed the fips module (openssl-fips-2.0.16) but still I'm encountering the issue in compiling libssh,

/home/tester/netopeer/latest_netopeer2/libssh-0.9.5/src/kex.c: In function ‘ssh_client_select_hostkeys’:
/home/tester/netopeer/latest_netopeer2/libssh-0.9.5/include/libssh/libcrypto.h:116:26: error: implicit declaration of function ‘FIPS_mode’ [-Werror=implicit-function-declaration]
116 | #define ssh_fips_mode() (FIPS_mode() != 0)
| ^~~~~~~~~
/home/tester/netopeer/latest_netopeer2/libssh-0.9.5/src/kex.c:583:13: note: in expansion of macro ‘ssh_fips_mode’
583 | if (ssh_fips_mode()) {
| ^~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [src/CMakeFiles/ssh.dir/build.make:300: src/CMakeFiles/ssh.dir/kex.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:399: src/CMakeFiles/ssh.dir/all] Error 2

openssl version
OpenSSL 3.0.0 7 sep 2021 (Library: OpenSSL 3.0.0 7 sep 2021)
built on: Thu May 16 09:17:45 2024 UTC
platform: linux-x86_64
options: bn(64,64)
compiler: gcc -fPIC -pthread -m64 -Wa,--noexecstack -Wall -O3 -DOPENSSL_USE_NODELETE -DL_ENDIAN -DOPENSSL_PIC -DOPENSSL_BUILDING_OPENSSL -DNDEBUG
OPENSSLDIR: "/usr/local/ssl"
ENGINESDIR: "/usr/local/lib64/engines-3"
MODULESDIR: "/usr/local/lib64/ossl-modules"
Seeding source: os-specific
CPUINFO: OPENSSL_ia32cap=0x7ffaf3bfffebffff:0x18c05fdef3bfa7eb

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Ask libssh for support, I really cannot help you with this. However, it seems you have a rather constrained environment and we have recently added support for compiling libnetconf2 with MbedTLS, libssh can be compiled with that as well, so maybe you do not want to use OpenSSL. But if you do, I would try using a newer version than 3.0.0, not sure why you have not picked the latest libssh and OpenSSL versions.

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