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Extend lookup_host_with_cache comment

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link2xt
2023-01-19 21:06:31 +00:00
parent 0978357c5f
commit 41ccc13394
1 changed files with 5 additions and 1 deletions
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6
src/net.rs
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@@ -129,7 +129,11 @@ async fn lookup_host_with_cache(
/// to the network, which is important to reduce the latency of interactive protocols such as IMAP.
///
/// If `load_cache` is true, may use cached DNS results.
/// Use this only if the connection is going to be protected with TLS.
/// Because the cache may be poisoned with incorrect results by networks hijacking DNS requests,
/// this option should only be used when connection is authenticated,
/// for example using TLS.
/// If TLS is not used or invalid TLS certificates are allowed,
/// this option should be disabled.
pub(crate) async fn connect_tcp(
context: &Context,
host: &str,