diff --git a/Builder/IISMainHandler/build.txt b/Builder/IISMainHandler/build.txt
index 34f7d67..a85890d 100644
--- a/Builder/IISMainHandler/build.txt
+++ b/Builder/IISMainHandler/build.txt
@@ -1 +1 @@
-1818
\ No newline at end of file
+1829
\ No newline at end of file
diff --git a/Common/Config.cs b/Common/Config.cs
index 10e890d..6129667 100644
--- a/Common/Config.cs
+++ b/Common/Config.cs
@@ -37,6 +37,8 @@ namespace FLocal.Common {
 		
 		public readonly HashSet<string> AdditionalHosts;
 
+		public readonly string CookiesPrefix;
+
 		public readonly int MinPostId;
 
 		protected Config(NameValueCollection data) : base(data) {
@@ -54,6 +56,7 @@ namespace FLocal.Common {
 			this.IsMigrationEnabled = parseBool(data["EnableMigration"]);
 			this.BaseHost = data["BaseHost"];
 			this.AdditionalHosts = new HashSet<string>(from host in data["AdditionalHosts"].Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries) select host.Trim());
+			this.CookiesPrefix = data["CookiesPrefix"];
 			this.MinPostId = int.Parse(data["MinPostId"]);
 		}
 
diff --git a/Common/dataobjects/Account.cs b/Common/dataobjects/Account.cs
index ef51d03..b6892c7 100644
--- a/Common/dataobjects/Account.cs
+++ b/Common/dataobjects/Account.cs
@@ -135,11 +135,11 @@ namespace FLocal.Common.dataobjects {
 		}
 
 		private string hashPasswordLegacy(string password) {
-			return Util.md5(Util.md5(password) + " " + Util.md5(Config.instance.SaltMigration) + " " + Util.md5(this.id.ToString()));
+			return Util.md5(Util.md5(password) + " " + Util.md5(Config.instance.SaltPasswords) + " " + Util.md5(this.id.ToString()));
 		}
 
 		private static string hashPassword(string password, string name) {
-			return Util.md5(Util.md5(password) + " " + Util.md5(Config.instance.SaltMigration) + " " + Util.md5(name));
+			return Util.md5(Util.md5(password) + " " + Util.md5(Config.instance.SaltPasswords) + " " + Util.md5(name));
 		}
 
 		private string hashPassword(string password) {
diff --git a/IISMainHandler/WebContext.cs b/IISMainHandler/WebContext.cs
index d0b1b09..d949c16 100644
--- a/IISMainHandler/WebContext.cs
+++ b/IISMainHandler/WebContext.cs
@@ -130,7 +130,7 @@ namespace FLocal.IISHandler {
 			this.requestTime = DateTime.Now;
 			this.design = this.detectDesign();
 
-			HttpCookie sessionCookie = this.httprequest.Cookies["session"];
+			HttpCookie sessionCookie = this.httprequest.Cookies[Config.instance.CookiesPrefix + "_session"];
 			if(sessionCookie != null && sessionCookie.Value != null && sessionCookie.Value != "") {
 				try {
 					var session = Session.LoadByKey(sessionCookie.Value);
@@ -142,7 +142,7 @@ namespace FLocal.IISHandler {
 						}
 					}
 					session.updateLastActivity(lastUrl);
-					HttpCookie newCookie = this.createCookie("session");
+					HttpCookie newCookie = this.createCookie(Config.instance.CookiesPrefix + "_session");
 					newCookie.Value = session.sessionKey;
 					newCookie.Expires = DateTime.Now.AddDays(3);
 					this.httpresponse.AppendCookie(newCookie);
diff --git a/IISMainHandler/handlers/request/LoginHandler.cs b/IISMainHandler/handlers/request/LoginHandler.cs
index 112edb1..96da78f 100644
--- a/IISMainHandler/handlers/request/LoginHandler.cs
+++ b/IISMainHandler/handlers/request/LoginHandler.cs
@@ -43,7 +43,7 @@ namespace FLocal.IISHandler.handlers.request {
 			Account account = Account.tryAuthorize(context.httprequest.Form["name"], context.httprequest.Form["password"]);
 			Session session = Session.create(account);
 
-			HttpCookie sessionCookie = context.createCookie("session");
+			HttpCookie sessionCookie = context.createCookie(Config.instance.CookiesPrefix + "_session");
 			sessionCookie.Value = session.sessionKey;
 			sessionCookie.Expires = DateTime.Now.AddDays(3);
 			context.httpresponse.AppendCookie(sessionCookie);
diff --git a/IISMainHandler/handlers/request/LogoutHandler.cs b/IISMainHandler/handlers/request/LogoutHandler.cs
index cc27636..a6c6357 100644
--- a/IISMainHandler/handlers/request/LogoutHandler.cs
+++ b/IISMainHandler/handlers/request/LogoutHandler.cs
@@ -26,10 +26,11 @@ namespace FLocal.IISHandler.handlers.request {
 			}
 			context.session.delete();
 
-			HttpCookie sessionCookie = context.createCookie("session");
+			HttpCookie sessionCookie = context.createCookie(Config.instance.CookiesPrefix + "_session");
 			sessionCookie.Value = "";
 			sessionCookie.Expires = DateTime.Now.AddDays(-1);
 			context.httpresponse.AppendCookie(sessionCookie);
+	
 			context.session = null;
 			
 			return new XElement[0];