diff --git a/ircbot/src/bin/ban.rs b/ircbot/src/bin/ban.rs
new file mode 100644
index 0000000..2fc2705
--- /dev/null
+++ b/ircbot/src/bin/ban.rs
@@ -0,0 +1,91 @@
+#[macro_use]
+extern crate serde_derive;
+extern crate serde;
+extern crate serde_json;
+extern crate ircbot;
+extern crate irc;
+extern crate amqp;
+extern crate env_logger;
+
+#[macro_use]
+extern crate log;
+use irc::client::server::Server;
+use irc::client::prelude::Command;
+use irc::client::prelude::ServerExt;
+use irc::client::prelude::IrcServer;
+use irc::proto::mode::Mode;
+use irc::proto::mode::ChannelMode;
+
+use ircbot::config;
+
+use std::thread;
+use std::env;
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Message {
+    target: String,
+    body: String
+}
+
+fn main() {
+    if let Err(_) = env::var("RUST_LOG") {
+        env::set_var("RUST_LOG", "info");
+        env_logger::init().unwrap();
+        info!("Defaulting RUST_LOG environment variable to info");
+    } else {
+        env_logger::init().unwrap();
+    }
+
+    let cfg = config::load(env::args().nth(1).unwrap().as_ref());
+
+
+    let server = IrcServer::from_config(cfg.irc_config()).unwrap();
+    server.identify().unwrap();
+    let reader = server.clone();
+
+    reader.for_each_incoming(|message| {
+        match message.command {
+            Command::PRIVMSG(ref _target, ref msg) => {
+                let badwords: Vec<&str> = vec![
+                    "▄",
+                    "companieshouse.gov.uk",
+                    "christel sold",
+                    "freenode to private",
+                    "snoonet",
+                    "nigger",
+                    "chan freenode",
+                    "supernets.org",
+                    "flooding challenge",
+                    "details!!",
+                ];
+
+                if let Some(from) = message.source_nickname() {
+                    if let Some(inchan) = message.response_target() {
+                        for word in badwords {
+                            if msg.to_lowercase().contains(word) {
+                                server.send_mode(
+                                    inchan,
+                                    &[
+                                        Mode::Plus(
+                                            ChannelMode::Ban,
+                                            Some(from.to_owned())
+                                        )
+                                    ]
+                                );
+                                server.send_kick(
+                                    inchan,
+                                    from,
+                                    "PM gchristensen to dispute this"
+                                );
+                                println!("Banning: {:?}, {:?}", from, msg);
+                            }
+                        }
+                    }
+                }
+            }
+            _ => {
+                print!("{:?}\n", message.command);
+            },
+        }
+    }).unwrap();
+}
diff --git a/ircbot/src/bin/factoids.rs b/ircbot/src/bin/factoids.rs
index 6f7a321..3082fb1 100644
--- a/ircbot/src/bin/factoids.rs
+++ b/ircbot/src/bin/factoids.rs
@@ -24,11 +24,18 @@ use ircbot::config;
 use std::env;
 
 #[derive(Serialize, Deserialize, Debug)]
-struct Message {
+struct MessageToIRC {
     target: String,
     body: String
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+struct MessageFromIRC {
+    from: String,
+    sender: String,
+    body: String
+}
+
 fn main() {
     if let Err(_) = env::var("RUST_LOG") {
         env::set_var("RUST_LOG", "info");
@@ -58,12 +65,12 @@ fn main() {
     let consumer_name = channel.basic_consume(
         move |chan: &mut Channel, _deliver: Deliver, _headers: BasicProperties, body: Vec<u8>| {
             debug!("Got a message");
-            let msg: Result<Message, serde_json::Error> = serde_json::from_slice(&body);
+            let msg: Result<MessageFromIRC, serde_json::Error> = serde_json::from_slice(&body);
             if let Ok(msg) = msg {
                 let trigger = msg.body.trim();
                 if let Some(response) = factoids.get(trigger) {
-                    let resp = Some(Message{
-                        target: msg.target.clone(),
+                    let resp = Some(MessageToIRC{
+                        target: msg.from.clone(),
                         body: response.clone(),
                     });
 
diff --git a/ircbot/src/bin/gateway.rs b/ircbot/src/bin/gateway.rs
index 67aaaff..b1341aa 100644
--- a/ircbot/src/bin/gateway.rs
+++ b/ircbot/src/bin/gateway.rs
@@ -28,11 +28,18 @@ use std::thread;
 use std::env;
 
 #[derive(Serialize, Deserialize, Debug)]
-struct Message {
+struct MessageToIRC {
     target: String,
     body: String
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+struct MessageFromIRC {
+    from: String,
+    sender: String,
+    body: String
+}
+
 fn main() {
     if let Err(_) = env::var("RUST_LOG") {
         env::set_var("RUST_LOG", "info");
@@ -72,7 +79,7 @@ fn main() {
     thread::spawn(move || {
         let consumer_name = readchan.basic_consume(
             move |_channel: &mut Channel, _deliver: Deliver, _headers: BasicProperties, body: Vec<u8>| {
-                let msg: Result<Message, serde_json::Error> = serde_json::from_slice(&body);
+                let msg: Result<MessageToIRC, serde_json::Error> = serde_json::from_slice(&body);
                 if let Ok(msg) = msg {
                     server.send_privmsg(&msg.target, &msg.body).unwrap();
                 }
@@ -90,10 +97,13 @@ fn main() {
     reader.for_each_incoming(|message| {
         match message.command {
             Command::PRIVMSG(ref _target, ref msg) => {
-                let msg = serde_json::to_string(&Message{
-                    target: message.response_target()
+                let msg = serde_json::to_string(&MessageFromIRC{
+                    from: message.response_target()
                         .expect("a response target for a privmsg")
                         .to_owned(),
+                    sender: message.source_nickname()
+                        .expect("a source nickname for a privmsg")
+                        .to_owned(),
                     body: msg.clone(),
                 }).unwrap();
 
diff --git a/ofborg/src/commentparser.rs b/ofborg/src/commentparser.rs
index 526392c..383e6c6 100644
--- a/ofborg/src/commentparser.rs
+++ b/ofborg/src/commentparser.rs
@@ -46,7 +46,7 @@ pub fn parse_line(text: &str) -> Option<Vec<Instruction>> {
                     Instruction::Build(Subset::NixOS,
                                        right
                                        .into_iter()
-                                       .map(|attr| format!("tests.{}", attr))
+                                       .map(|attr| format!("tests.{}.x86_64-linux", attr))
                                        .collect()
                     )
                 );