Index: syslogd.c
===================================================================
--- syslogd.c	(revision 240078)
+++ syslogd.c	(working copy)
@@ -1931,6 +1931,7 @@
 	case '@':
 		{
 			char *tp;
+			char endkey = ':';
 			/*
 			 * scan forward to see if there is a port defined.
 			 * so we can't use strlcpy..
@@ -1939,9 +1940,19 @@
 			tp = f->f_un.f_forw.f_hname;
 			p++;
 
-			while (*p && (*p != ':') && (i-- > 0)) {
+			/*
+			 * an ipv6 address should start with a '[' in that case
+			 * we should scan for a ']'
+			 */
+			if (*p == '[') {
+				p++;
+				endkey = ']';
+			}
+			while (*p && (*p != endkey) && (i-- > 0)) {
 				*tp++ = *p++;
 			}
+			if (endkey == ']' && *p == endkey)
+				p++;
 			*tp = '\0';
 		}
 		/* See if we copied a domain and have a port */