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Allow specifying cipher suites instead of single ciphers (#343)

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* Allow specifying cipher suites instead of single ciphers.

CipherName now specifies all cipher suites instead of the
preferred cipher. This allows insecure ciphers like RC4 to
be permanently disabled, instead of being the default fallback
when the preferred cipher is unsupported.

CipherName is now left for OpenSSL to verify. Should it be
invalid, a secure default is used. The default CipherName setting
for new servers is one such invalid string: "~DEFAULT~". This
allows for future updates to change the default and the servers
can stay secure.

* Remove unused temporary variable.
This commit is contained in:
Guanzhong Chen
2018-02-07 15:13:41 -08:00
committed by Moataz Elmasry
parent 8cafa07d9c
commit 56c4582da8
5 changed files with 9 additions and 43 deletions
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2
src/Mayaqua/Network.h
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@ -153,6 +153,7 @@ struct DYN_VALUE
#define DEFAULT_GETIP_THREAD_MAX_NUM 64
#endif // USE_STRATEGY_LOW_MEMORY
#define DEFAULT_CIPHER_LIST "ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20:ECDHE+AES256:DHE+AES256:RSA+AES"
// SSL logging function
//#define ENABLE_SSL_LOGGING
@ -1382,7 +1383,6 @@ void RenewDhcp();
void AcceptInit(SOCK *s);
void AcceptInitEx(SOCK *s, bool no_lookup_hostname);
void DisableGetHostNameWhenAcceptInit();
bool CheckCipherListName(char *name);
TOKEN_LIST *GetCipherList();
COUNTER *GetNumTcpConnectionsCounter();
void InitWaitThread();