diff --git a/plugins/include/amxconst.inc b/plugins/include/amxconst.inc
index 33d0610c..fef8543e 100755
--- a/plugins/include/amxconst.inc
+++ b/plugins/include/amxconst.inc
@@ -55,10 +55,45 @@ public stock const NULL_STRING[1];
 public stock const Float:NULL_VECTOR[3];
 
 /**
- * The maximum buffer size required to store a clients name.
+ * The maximum buffer size required to store a client's name.
  */
 #define MAX_NAME_LENGTH 32
 
+/**
+ * The maximum buffer size required to store a client's IP address without a port.
+ */
+#define MAX_IP_LENGTH 16
+
+/**
+ * The maximum buffer size required to store a client's IP address with a port.
+ */
+#define MAX_IP_WITH_PORT_LENGTH 22
+
+/**
+ * The maximum buffer size required to store a client's AuthID.
+ */
+#define MAX_AUTHID_LENGTH 64
+
+/**
+ * The maximum buffer size required to store a resource path.
+ */
+#define MAX_RESOURCE_PATH_LENGTH 64
+
+/**
+ * The maximum buffer size that can be displayed in a MOTD.
+ */
+#define MAX_MOTD_LENGTH 1536
+
+/**
+ * The maximum size accepted by the user info buffer.
+ */
+#define MAX_USER_INFO_LENGTH 256
+
+/**
+ * The maximum buffer size that can be displayed in a menu.
+ */
+#define MAX_MENU_LENGTH 512
+
 /**
  * π
  */