Enabling RC4 from command line tools in OpenSSL 3.1

"'Ladd, Watson' via openssl-users" <[email protected]>
Newsgroups gmane.comp.encryption.openssl.user
Message-ID <[email protected]>
Dear users,


I have been struggling to sort out what compile flags and arguments are required to get s_client from OpenSSL 3.1.7 to connect to a server with only RC4 enabled. I thought ./Configure enable-rc4 enable-weak-ssl-ciphers would be enough, and then  ./openssl s_client -tls1 -cipher RC4. However this results in

Call to SSL_CONF_cmd(-cipher, RC4) failed

004CA1EE01000000:error:0A0000B9:SSL routines:SSL_CTX_set_cipher_list:no cipher match:ssl/ssl_lib.c:2909


which surprises me.


What am I missing?


Sincerely,

Watson Ladd

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