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README updated to reflect replay attack changes

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Сергей Прохоров 2019-05-20 03:35:05 +02:00
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@ -16,6 +16,7 @@ Features
* Very high performance - can handle tens of thousands connections! Scales to all CPU cores.
* Supports multiplexing (Many connections Client -> Proxy are wrapped to small amount of
connections Proxy -> Telegram Server)
* Protection from [replay attacks](https://habr.com/ru/post/452144/) used to detect proxies in some countries
* Small codebase compared to official one
* A lots of metrics could be exported (optional)
@ -243,6 +244,30 @@ You should disable all protocols other than `mtp_secure` by providing `allowed_p
<..>
```
### Tune resource consumption
If your server have low amount of RAM, try to set
```erlang
{upstream_socket_buffer_size, 5120},
{downstream_socket_buffer_size, 51200},
{replay_checks_enabled, []},
```
this may make proxy slower, it can start consume more CPU, will be vulnerable to replay attacks,
but will use less RAM.
If your server have lots of RAM, you can make it faster (users will get higher uppload/download speed),
it will use less CPU and will be better protected from replay attacks, but will use more RAM:
```erlang
{upstream_socket_buffer_size, 20480},
{downstream_socket_buffer_size, 512000},
{replay_checks_enabled, [mtp_session_storage]},
{replay_check_session_storage_opts,
#{max_memory_mb => 2048,
max_age_minutes => 1440}},
```
Helpers
-------