Disable SSLv2/v3 by default.

This is already the default for INN 2.6.

--- a/doc/pod/inn.conf.pod
+++ b/doc/pod/inn.conf.pod
@@ -1089,7 +1089,7 @@ The list of SSL/TLS protocol versions to
 B<SSLv2>, B<SSLv3>, B<TLSv1>, B<TLSv1.1> and B<TLSv1.2>.  The default
 value is to allow all these protocols:
 
-    tlsprotocols: [ SSLv2 SSLv3 TLSv1 TLSv1.1 TLSv1.2 ]
+    tlsprotocols: [ TLSv1 TLSv1.1 TLSv1.2 ]
 
 Note that the default value will be to only allow TLS protocols in
 the next major release of INN (using SSLv2 and SSLv3 will be disabled
--- a/nnrpd/tls.c
+++ b/nnrpd/tls.c
@@ -524,7 +524,7 @@ tls_init_serverengine(int verifydepth, i
         }
     } else {
         /* Default value:  allow all protocols. */
-        tls_protos = (INN_TLS_SSLv2 | INN_TLS_SSLv3 | INN_TLS_TLSv1
+        tls_protos = (INN_TLS_TLSv1
                       | INN_TLS_TLSv1_1 | INN_TLS_TLSv1_2);
     }
 
