diff --git a/config.toml b/config.toml
index 7650d9e..69c3853 100644
--- a/config.toml
+++ b/config.toml
@@ -11,6 +11,7 @@ max_proxies_per_source = 100000
 # Request timeout for fetching proxy sources (seconds)
 # Higher values may find more sources but take longer
 timeout = 60.0
+connect_timeout = 5.0
 
 
 [checking]
@@ -26,12 +27,13 @@ check_url = "https://api.ipify.org"
 
 # Concurrent proxy checks (adjust based on RAM/network capacity)
 # Start low and increase gradually if system handles it well
-max_concurrent_checks = 4096
+max_concurrent_checks = 1024
 
 # Proxy response timeout (seconds)
 # Higher = more working proxies found, slower checking
 # Lower = faster checking, may miss slower proxies
-timeout = 5.0
+timeout = 60.0
+connect_timeout = 5.0
 
 
 [output]
diff --git a/src/config.rs b/src/config.rs
index f6149f8..55e1758 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -18,6 +18,7 @@ pub struct HttpbinResponse {
 pub struct ScrapingConfig {
     pub max_proxies_per_source: usize,
     pub timeout: tokio::time::Duration,
+    pub connect_timeout: tokio::time::Duration,
     pub sources: HashMap<ProxyType, HashSet<String>>,
 }
 
@@ -25,6 +26,7 @@ pub struct CheckingConfig {
     pub check_url: String,
     pub max_concurrent_checks: usize,
     pub timeout: tokio::time::Duration,
+    pub connect_timeout: tokio::time::Duration,
 }
 
 pub struct TxtOutputConfig {
@@ -122,6 +124,9 @@ impl Config {
                 timeout: tokio::time::Duration::from_secs_f64(
                     raw_config.scraping.timeout,
                 ),
+                connect_timeout: tokio::time::Duration::from_secs_f64(
+                    raw_config.scraping.connect_timeout,
+                ),
                 sources: [
                     (ProxyType::Http, raw_config.scraping.http),
                     (ProxyType::Socks4, raw_config.scraping.socks4),
@@ -139,6 +144,9 @@ impl Config {
                 timeout: tokio::time::Duration::from_secs_f64(
                     raw_config.checking.timeout,
                 ),
+                connect_timeout: tokio::time::Duration::from_secs_f64(
+                    raw_config.checking.connect_timeout,
+                ),
             },
             output: OutputConfig {
                 path: output_path,
diff --git a/src/http.rs b/src/http.rs
index a06032a..c832a09 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -2,11 +2,11 @@ use std::time::{Duration, SystemTime};
 
 use color_eyre::Result;
 
+use crate::config::Config;
+
 pub const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) \
                               AppleWebKit/537.36 (KHTML, like Gecko) \
                               Chrome/138.0.0.0 Safari/537.36";
-const TIMEOUT: Duration = tokio::time::Duration::from_secs(60);
-const CONNECT_TIMEOUT: Duration = tokio::time::Duration::from_secs(5);
 
 const DEFAULT_MAX_RETRIES: u32 = 2;
 const INITIAL_RETRY_DELAY: Duration = Duration::from_millis(500);
@@ -68,11 +68,10 @@ fn calculate_retry_timeout(
 pub async fn fetch_text(
     http_client: reqwest::Client,
     url: &str,
-    timeout: Duration,
 ) -> Result<String> {
     let mut attempt: u32 = 0;
     loop {
-        let resp = http_client.get(url).timeout(timeout).send().await;
+        let resp = http_client.get(url).send().await;
         match resp {
             Ok(resp) => {
                 let status = resp.status();
@@ -126,11 +125,13 @@ pub async fn fetch_text(
     }
 }
 
-pub fn create_reqwest_client() -> reqwest::Result<reqwest::Client> {
+pub fn create_reqwest_client(
+    config: &Config,
+) -> reqwest::Result<reqwest::Client> {
     reqwest::Client::builder()
         .user_agent(USER_AGENT)
-        .timeout(TIMEOUT)
-        .connect_timeout(CONNECT_TIMEOUT)
+        .timeout(config.scraping.timeout)
+        .connect_timeout(config.scraping.connect_timeout)
         .use_rustls_tls()
         .build()
 }
diff --git a/src/main.rs b/src/main.rs
index e506ff7..ce24729 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -151,7 +151,7 @@ async fn main_task(
         event::Event,
     >,
 ) -> color_eyre::Result<()> {
-    let http_client = http::create_reqwest_client()
+    let http_client = http::create_reqwest_client(&config)
         .wrap_err("failed to create reqwest HTTP client")?;
 
     let ((), mut proxies) = tokio::try_join!(
diff --git a/src/proxy.rs b/src/proxy.rs
index 6df832c..5adad04 100644
--- a/src/proxy.rs
+++ b/src/proxy.rs
@@ -88,6 +88,7 @@ impl Proxy {
             .user_agent(USER_AGENT)
             .proxy(self.try_into()?)
             .timeout(config.checking.timeout)
+            .connect_timeout(config.checking.connect_timeout)
             .pool_max_idle_per_host(0)
             .tcp_keepalive(None)
             .use_rustls_tls()
diff --git a/src/raw_config.rs b/src/raw_config.rs
index 930b394..2cbfa25 100644
--- a/src/raw_config.rs
+++ b/src/raw_config.rs
@@ -45,6 +45,8 @@ pub struct ScrapingConfig {
     pub max_proxies_per_source: usize,
     #[serde(deserialize_with = "validate_positive_f64")]
     pub timeout: f64,
+    #[serde(deserialize_with = "validate_positive_f64")]
+    pub connect_timeout: f64,
 
     pub http: ScrapingProtocolConfig,
     pub socks4: ScrapingProtocolConfig,
@@ -58,6 +60,8 @@ pub struct CheckingConfig {
     pub max_concurrent_checks: NonZero<usize>,
     #[serde(deserialize_with = "validate_positive_f64")]
     pub timeout: f64,
+    #[serde(deserialize_with = "validate_positive_f64")]
+    pub connect_timeout: f64,
 }
 
 #[derive(Deserialize)]
diff --git a/src/scraper.rs b/src/scraper.rs
index e86a48b..d563bf7 100644
--- a/src/scraper.rs
+++ b/src/scraper.rs
@@ -21,7 +21,7 @@ async fn scrape_one(
     #[cfg(feature = "tui")] tx: tokio::sync::mpsc::UnboundedSender<Event>,
 ) -> color_eyre::Result<()> {
     let text_result = if is_http_url(source) {
-        http::fetch_text(http_client, source, config.scraping.timeout).await
+        http::fetch_text(http_client, source).await
     } else {
         tokio::fs::read_to_string(
             source.strip_prefix("file://").unwrap_or(source),