s_server -www -cert /root/.acme.sh/symposia-staging.gerad.ca_ecc/tls.validation.cert -key /root/.acme.sh/symposia-staging.gerad.ca_ecc/tls.validation.key -accept 443 -alpn acme-tls/1 
Secure Renegotiation IS supported
Ciphers supported in s_server binary
TLSv1/SSLv3:ECDHE-RSA-AES256-GCM-SHA384TLSv1/SSLv3:ECDHE-ECDSA-AES256-GCM-SHA384
TLSv1/SSLv3:ECDHE-RSA-AES256-SHA384  TLSv1/SSLv3:ECDHE-ECDSA-AES256-SHA384
TLSv1/SSLv3:ECDHE-RSA-AES256-SHA     TLSv1/SSLv3:ECDHE-ECDSA-AES256-SHA   
TLSv1/SSLv3:DH-DSS-AES256-GCM-SHA384 TLSv1/SSLv3:DHE-DSS-AES256-GCM-SHA384
TLSv1/SSLv3:DH-RSA-AES256-GCM-SHA384 TLSv1/SSLv3:DHE-RSA-AES256-GCM-SHA384
TLSv1/SSLv3:DHE-RSA-AES256-SHA256    TLSv1/SSLv3:DHE-DSS-AES256-SHA256    
TLSv1/SSLv3:DH-RSA-AES256-SHA256     TLSv1/SSLv3:DH-DSS-AES256-SHA256     
TLSv1/SSLv3:DHE-RSA-AES256-SHA       TLSv1/SSLv3:DHE-DSS-AES256-SHA       
TLSv1/SSLv3:DH-RSA-AES256-SHA        TLSv1/SSLv3:DH-DSS-AES256-SHA        
TLSv1/SSLv3:DHE-RSA-CAMELLIA256-SHA  TLSv1/SSLv3:DHE-DSS-CAMELLIA256-SHA  
TLSv1/SSLv3:DH-RSA-CAMELLIA256-SHA   TLSv1/SSLv3:DH-DSS-CAMELLIA256-SHA   
TLSv1/SSLv3:ECDH-RSA-AES256-GCM-SHA384TLSv1/SSLv3:ECDH-ECDSA-AES256-GCM-SHA384
TLSv1/SSLv3:ECDH-RSA-AES256-SHA384   TLSv1/SSLv3:ECDH-ECDSA-AES256-SHA384 
TLSv1/SSLv3:ECDH-RSA-AES256-SHA      TLSv1/SSLv3:ECDH-ECDSA-AES256-SHA    
TLSv1/SSLv3:AES256-GCM-SHA384        TLSv1/SSLv3:AES256-SHA256            
TLSv1/SSLv3:AES256-SHA               TLSv1/SSLv3:CAMELLIA256-SHA          
TLSv1/SSLv3:PSK-AES256-CBC-SHA       TLSv1/SSLv3:ECDHE-RSA-AES128-GCM-SHA256
TLSv1/SSLv3:ECDHE-ECDSA-AES128-GCM-SHA256TLSv1/SSLv3:ECDHE-RSA-AES128-SHA256  
TLSv1/SSLv3:ECDHE-ECDSA-AES128-SHA256TLSv1/SSLv3:ECDHE-RSA-AES128-SHA     
TLSv1/SSLv3:ECDHE-ECDSA-AES128-SHA   TLSv1/SSLv3:DH-DSS-AES128-GCM-SHA256 
TLSv1/SSLv3:DHE-DSS-AES128-GCM-SHA256TLSv1/SSLv3:DH-RSA-AES128-GCM-SHA256 
TLSv1/SSLv3:DHE-RSA-AES128-GCM-SHA256TLSv1/SSLv3:DHE-RSA-AES128-SHA256    
TLSv1/SSLv3:DHE-DSS-AES128-SHA256    TLSv1/SSLv3:DH-RSA-AES128-SHA256     
TLSv1/SSLv3:DH-DSS-AES128-SHA256     TLSv1/SSLv3:DHE-RSA-AES128-SHA       
TLSv1/SSLv3:DHE-DSS-AES128-SHA       TLSv1/SSLv3:DH-RSA-AES128-SHA        
TLSv1/SSLv3:DH-DSS-AES128-SHA        TLSv1/SSLv3:DHE-RSA-SEED-SHA         
TLSv1/SSLv3:DHE-DSS-SEED-SHA         TLSv1/SSLv3:DH-RSA-SEED-SHA          
TLSv1/SSLv3:DH-DSS-SEED-SHA          TLSv1/SSLv3:DHE-RSA-CAMELLIA128-SHA  
TLSv1/SSLv3:DHE-DSS-CAMELLIA128-SHA  TLSv1/SSLv3:DH-RSA-CAMELLIA128-SHA   
TLSv1/SSLv3:DH-DSS-CAMELLIA128-SHA   TLSv1/SSLv3:ECDH-RSA-AES128-GCM-SHA256
TLSv1/SSLv3:ECDH-ECDSA-AES128-GCM-SHA256TLSv1/SSLv3:ECDH-RSA-AES128-SHA256   
TLSv1/SSLv3:ECDH-ECDSA-AES128-SHA256 TLSv1/SSLv3:ECDH-RSA-AES128-SHA      
TLSv1/SSLv3:ECDH-ECDSA-AES128-SHA    TLSv1/SSLv3:AES128-GCM-SHA256        
TLSv1/SSLv3:AES128-SHA256            TLSv1/SSLv3:AES128-SHA               
TLSv1/SSLv3:SEED-SHA                 TLSv1/SSLv3:CAMELLIA128-SHA          
TLSv1/SSLv3:PSK-AES128-CBC-SHA       TLSv1/SSLv3:ECDHE-RSA-DES-CBC3-SHA   
TLSv1/SSLv3:ECDHE-ECDSA-DES-CBC3-SHA TLSv1/SSLv3:EDH-RSA-DES-CBC3-SHA     
TLSv1/SSLv3:EDH-DSS-DES-CBC3-SHA     TLSv1/SSLv3:DH-RSA-DES-CBC3-SHA      
TLSv1/SSLv3:DH-DSS-DES-CBC3-SHA      TLSv1/SSLv3:ECDH-RSA-DES-CBC3-SHA    
TLSv1/SSLv3:ECDH-ECDSA-DES-CBC3-SHA  TLSv1/SSLv3:DES-CBC3-SHA             
TLSv1/SSLv3:IDEA-CBC-SHA             TLSv1/SSLv3:PSK-3DES-EDE-CBC-SHA     
TLSv1/SSLv3:KRB5-IDEA-CBC-SHA        TLSv1/SSLv3:KRB5-DES-CBC3-SHA        
TLSv1/SSLv3:KRB5-IDEA-CBC-MD5        TLSv1/SSLv3:KRB5-DES-CBC3-MD5        
TLSv1/SSLv3:ECDHE-RSA-RC4-SHA        TLSv1/SSLv3:ECDHE-ECDSA-RC4-SHA      
TLSv1/SSLv3:ECDH-RSA-RC4-SHA         TLSv1/SSLv3:ECDH-ECDSA-RC4-SHA       
TLSv1/SSLv3:RC4-SHA                  TLSv1/SSLv3:RC4-MD5                  
TLSv1/SSLv3:PSK-RC4-SHA              TLSv1/SSLv3:KRB5-RC4-SHA             
TLSv1/SSLv3:KRB5-RC4-MD5             
---
Ciphers common between both SSL end points:
ECDHE-ECDSA-AES256-GCM-SHA384 ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-RSA-AES256-GCM-SHA384
ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES256-SHA       ECDHE-RSA-AES128-SHA      
AES256-GCM-SHA384          AES128-GCM-SHA256          AES256-SHA                
AES128-SHA
Signature Algorithms: ECDSA+SHA256:ECDSA+SHA384:ECDSA+SHA512:0x04+0x08:0x05+0x08:0x06+0x08:0x09+0x08:0x0A+0x08:0x0B+0x08:RSA+SHA256:RSA+SHA384:RSA+SHA512:DSA+SHA256:ECDSA+SHA224:RSA+SHA224:DSA+SHA224:ECDSA+SHA1:RSA+SHA1:DSA+SHA1
Shared Signature Algorithms: ECDSA+SHA256:ECDSA+SHA384:ECDSA+SHA512:RSA+SHA256:RSA+SHA384:RSA+SHA512:DSA+SHA256:ECDSA+SHA224:RSA+SHA224:DSA+SHA224:ECDSA+SHA1:RSA+SHA1:DSA+SHA1
Supported Elliptic Curves: 0x001D:P-256:P-384:P-521:0x001E:0x0100:0x0101:0x0102:0x0103:0x0104
Shared Elliptic curves: P-256:P-384:P-521
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES256-GCM-SHA384
    Session-ID: 1C49E28CC020EB38571B372F4292FCBBD860EE813882BA17692CFB0DBDEF5D46
    Session-ID-ctx: 01000000
    Master-Key: 19041A7084E15E243C057EA06EF79B1844C579A77E6B917B6E0971712F1D042FAC362701FEAAFEC3881866688CCBDC31
    Key-Arg   : None
    Krb5 Principal: None
    PSK identity: None
    PSK identity hint: None
    Start Time: 1718210454
    Timeout   : 300 (sec)
    Verify return code: 0 (ok)
---
   6 items in the session cache
   0 client connects (SSL_connect())
   0 client renegotiates (SSL_connect())
   0 client connects that finished
   6 server accepts (SSL_accept())
   0 server renegotiates (SSL_accept())
   6 server accepts that finished
   0 session cache hits
   6 session cache misses
   0 session cache timeouts
   0 callback cache hits
   0 cache full overflows (128 allowed)
---
no client certificate available