Hi, You can test ports with OpenSSL. But you gotta need a certificate for your s_server. You can generate a self signed certificate with openssl. Try this
https://stackoverflow.com/questions/10175812/how-to-create-a-self-signed-certificate-with-openssl And place that file in the dir were you are running the s_server command, or can use -cert argument to give the generated certificate. And from the s_client connect to the port that you are listening with s_server Client: openssl s_client -connect hostname:port Server: openssl s_server -accept PORT Regards Saiteja. On 21-Dec-2017 7:07 PM, "warron.french" <warron.fre...@gmail.com> wrote: > Hello Community, and Merry Christmas/Happy Seasons Greetings, > anyway, I need some help with understanding an openssl feature - > *s_server*. > > I executed the following command: openssl s_server -accept 21937 -www & > And immediately got the following output: > [1] 3286 > [sysadm@wfrench-rhel6c-cit ~]$ Error opening server certificate private > key file server.pem > 140679739017032:error:02001002:system library:fopen:No such file or > directory:bss_file.c:398:fopen('server.pem','r') > 140679739017032:error:20074002:BIO routines:FILE_CTRL:system > lib:bss_file.c:400: > unable to load server certificate private key file > > In order to test ports that are not encrypted with SSL/TLS do I still have > to generate a certificate and private key file (each)? > > I would like to test ports from one machine using openssl s_client against > a remote machine on an opposing network, running a "listener", using > openssl s_server. > > Perhaps I am way off? I am not allowed to use openssl for this sort of > thing? > Any guidance would be greatly appreciated because I want to expand my > understanding of the openssl suite of commands and its offerings. > > > Have a nice day, > -------------------------- > Warron French > > > -- > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users > >
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