diff --git a/lib/channel.js b/lib/channel.js
index 56b95c77..1c7001ba 100644
--- a/lib/channel.js
+++ b/lib/channel.js
@@ -2150,41 +2150,88 @@ Channel.prototype.tryUpdateOptions = function(user, data) {
         password: true
     };
 
-    if ("afk_timeout" in data) {
-        data.afk_timeout = parseInt(data.afk_timeout);
-        if(data.afk_timeout < 0)
-            data.afk_timeout = 0;
+    if ("allow_voteskip" in data) {
+        var vs = Boolean(data.allow_voteskip);
+        this.opts.voteskip = vs;
     }
 
-    if ("password" in data) {
-        data.password = data.password === "" ? false : ""+data.password;
-    }
-
-    for(var key in this.opts) {
-        if(key in data) {
-            if(key in adminonly && user.rank < 3) {
-                continue;
-            }
-            if (key === "chat_antiflood_params") {
-                var b = parseInt(data[key].burst);
-                if (isNaN(b) || b < 0)
-                    b = 1;
-                var s = parseFloat(data[key].sustained);
-                if (isNaN(s) || s <= 0)
-                    s = 1;
-                var c = b / s;
-                this.opts.chat_antiflood_params.burst = b;
-                this.opts.chat_antiflood_params.sustained = s;
-                this.opts.chat_antiflood_params.cooldown = c;
-                continue;
-            }
-            this.opts[key] = data[key];
-            if(key === "afk_timeout" && this.opts[key] != data[key]) {
-                this.users.forEach(function (u) {
-                    u.autoAFK();
-                });
-            }
+    if ("voteskip_ratio" in data) {
+        var ratio = parseFloat(data.voteskip_ratio);
+        if (isNaN(ratio) || ratio < 0) {
+            ratio = 0;
         }
+        this.opts.voteskip_ratio = ratio;
+    }
+
+    if ("afk_timeout" in data) {
+        var tm = parseInt(data.afk_timeout);
+        if (isNaN(tm) || tm < 0) {
+            tm = 0;
+        }
+        var same = tm == this.opts.afk_timeout;
+        this.opts.afk_timeout = tm;
+        if (!same) {
+            this.users.forEach(function (u) {
+                u.autoAFK();
+            });
+        }
+    }
+
+    if ("pagetitle" in data && user.rank >= 3) {
+        this.opts.pagetitle = ""+data.pagetitle;
+    }
+
+    if ("maxlength" in data) {
+        var ml = parseInt(data.maxlength);
+        if (isNaN(ml) || ml < 0) {
+            ml = 0;
+        }
+        this.opts.maxlength = ml;
+    }
+
+    if ("externalcss" in data && user.rank >= 3) {
+        this.opts.externalcss = ""+data.externalcss;
+    }
+
+    if ("externaljs" in data && user.rank >= 3) {
+        this.opts.externaljs = ""+data.externaljs;
+    }
+
+    if ("chat_antiflood" in data) {
+        this.opts.chat_antiflood = Boolean(data.chat_antiflood);
+    }
+
+    if ("chat_antiflood_params" in data) {
+        if (typeof data.chat_antiflood_params !== "object") {
+            data.chat_antiflood_params = {
+                burst: 4,
+                sustained: 1
+            };
+        }
+        var b = parseInt(data.chat_antiflood_params.burst);
+        if (isNaN(b) || b < 0)
+            b = 1;
+        var s = parseFloat(data.chat_antiflood_params.sustained);
+        if (isNaN(s) || s <= 0)
+            s = 1;
+        var c = b / s;
+        this.opts.chat_antiflood_params.burst = b;
+        this.opts.chat_antiflood_params.sustained = s;
+        this.opts.chat_antiflood_params.cooldown = c;
+    }
+
+    if ("show_public" in data && user.rank >= 3) {
+        this.opts.show_public = Boolean(data.show_public);
+    }
+
+    if ("enable_link_regex" in data) {
+        this.opts.enable_link_regex = Boolean(data.enable_link_regex);
+    }
+
+    if ("password" in data && user.rank >= 3) {
+        var pw = data.password+"";
+        pw = pw === "" ? false : pw;
+        this.opts.password = pw;
     }
 
     this.logger.log("%%% " + user.name + " updated channel options");
diff --git a/lib/user.js b/lib/user.js
index b6171f64..0fe5872d 100644
--- a/lib/user.js
+++ b/lib/user.js
@@ -116,12 +116,22 @@ User.prototype.autoAFK = function () {
     if (self.awaytimer)
         clearTimeout(self.awaytimer);
 
-    if (!self.inChannel() || self.channel.opts.afk_timeout === 0)
+    if (!self.inChannel()) {
         return;
+    }
+
+    var timeout = parseFloat(self.channel.opts.afk_timeout);
+    if (isNaN(timeout)) {
+        return;
+    }
+
+    if (timeout <= 0) {
+        return;
+    }
 
     self.awaytimer = setTimeout(function () {
         self.setAFK(true);
-    }, self.channel.opts.afk_timeout * 1000);
+    }, timeout * 1000);
 };
 
 User.prototype.kick = function (reason) {