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
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.french@xxxxxxxxx> wrote:
I executed the following command: openssl s_server -accept 21937 -www &Hello Community, and Merry Christmas/Happy Seasons Greetings,anyway, I need some help with understanding an openssl feature - s_server.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 fileIn 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
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