diff --git a/README.md b/README.md
index 762f924..cebe430 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,3 @@ features:
   - libmusl static release builds, no libc dependency
   - lighter alternative to fail2ban
 
-Todo: more granular CLI args to filter HTTP Status codes (e.g. 5 401 leads to a block, but 30 404 before a block) ?
diff --git a/src/main.rs b/src/main.rs
index 92b1833..5cff1b9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,7 +43,7 @@ fn judge(
 
 async fn run() -> Result<()> {
     let args = utils::cli().get_matches();
-    let mut lines = MuxedLines::new()?;
+    let mut lines = MuxedLines::new().context("parsing cli args")?;
 
     // jail
     let jailtime_str = args.value_of("jailtime").unwrap_or("");
@@ -52,7 +52,7 @@ async fn run() -> Result<()> {
     let allowance_str = args.value_of("allowance").unwrap_or("");
     let allowance = allowance_str.parse().context("parsing allowance")?;
 
-    let jail = Jail::new(allowance, jailtime)?;
+    let jail = Jail::new(allowance, jailtime).context("init jail")?;
     eprintln!(
         "+ jail setup, offences allowed: {}, jailtime {}s",
         allowance, jailtime
@@ -68,7 +68,7 @@ async fn run() -> Result<()> {
     // common log format
     let path_clf = args.value_of("clf_logpath").unwrap_or("");
     if !path_clf.is_empty() {
-        lines.add_file(path_clf).await?;
+        lines.add_file(path_clf).await.context("opening log file")?;
         eprintln!("+ starting with clf parsing at {}", path_clf);
     }
 
diff --git a/src/utils.rs b/src/utils.rs
index afd98a8..0045b5b 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -29,14 +29,14 @@ pub fn cli() -> App<'static, 'static> {
             Arg::with_name("jailtime")
                 .short("j")
                 .help("jail time (seconds)")
-                .default_value("3600")
+                .default_value("7200")
                 .takes_value(true),
         )
         .arg(
             Arg::with_name("allowance")
                 .short("a")
                 .help("how many offences allowed (max 255")
-                .default_value("5")
+                .default_value("6")
                 .takes_value(true),
         )
         .arg(