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| author | Amber Brown <hawkowl@atleastfornow.net> | 2019-01-22 21:58:50 +1100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-22 21:58:50 +1100 |
| commit | 23b08135998e932d5d600941bd42389db0628a11 (patch) | |
| tree | cea4e213399995b4393541fb70d46cd05e399df1 /synapse/crypto/context_factory.py | |
| parent | Merge pull request #4402 from matrix-org/erikj/fed_v2_invite_server (diff) | |
| download | synapse-23b08135998e932d5d600941bd42389db0628a11.tar.xz | |
Require ECDH key exchange & remove dh_params (#4429)
* remove dh_params and set better cipher string
Diffstat (limited to 'synapse/crypto/context_factory.py')
| -rw-r--r-- | synapse/crypto/context_factory.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/synapse/crypto/context_factory.py b/synapse/crypto/context_factory.py index 02b76dfcfb..6ba3eca7b2 100644 --- a/synapse/crypto/context_factory.py +++ b/synapse/crypto/context_factory.py @@ -46,8 +46,10 @@ class ServerContextFactory(ContextFactory): if not config.no_tls: context.use_privatekey(config.tls_private_key) - context.load_tmp_dh(config.tls_dh_params_path) - context.set_cipher_list("!ADH:HIGH+kEDH:!AECDH:HIGH+kEECDH") + # https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/ + context.set_cipher_list( + "ECDH+AESGCM:ECDH+CHACHA20:ECDH+AES256:ECDH+AES128:!aNULL:!SHA1" + ) def getContext(self): return self._context |