Skip to content

gateway: add configurable DNS TXT resolve timeout #461

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
kvinwang merged 1 commit into from
Jan 25, 2026
Merged

gateway: add configurable DNS TXT resolve timeout #461

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions gateway/gateway.toml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,8 @@ handshake = "5s"

# Timeout for top n hosts selection
cache_top_n = "30s"
# Timeout for DNS TXT record resolution (app address lookup).
dns_resolve = "5s"

# Enable data transfer timeouts below. This might impact performance. Turn off if
# bad performance is observed.
Expand Down
4 changes: 4 additions & 0 deletions gateway/src/config.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,10 @@ pub struct Timeouts {
#[serde(with = "serde_duration")]
pub cache_top_n: Duration,

/// Timeout for DNS TXT record resolution (app address lookup).
#[serde(with = "serde_duration")]
pub dns_resolve: Duration,

pub data_timeout_enabled: bool,
#[serde(with = "serde_duration")]
pub idle: Duration,
Expand Down
4 changes: 3 additions & 1 deletion gateway/src/proxy/tls_passthough.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,10 @@ pub(crate) async fn proxy_with_sni(
) -> Result<()> {
let ns_prefix = &state.config.proxy.app_address_ns_prefix;
let compat = state.config.proxy.app_address_ns_compat;
let addr = resolve_app_address(ns_prefix, sni, compat)
let dns_timeout = state.config.proxy.timeouts.dns_resolve;
let addr = timeout(dns_timeout, resolve_app_address(ns_prefix, sni, compat))
.await
.context("DNS TXT resolve timeout")?
.context("failed to resolve app address")?;
debug!("target address is {}:{}", addr.app_id, addr.port);
proxy_to_app(state, inbound, buffer, &addr.app_id, addr.port).await
Expand Down