diff -aur ipsec-tools-0.4-orig/src/racoon/sockmisc.c ipsec-tools-0.4/src/racoon/sockmisc.c
--- ipsec-tools-0.4-orig/src/racoon/sockmisc.c	2004-11-16 11:15:42.000000000 -0500
+++ ipsec-tools-0.4/src/racoon/sockmisc.c	2004-12-16 14:42:25.543888328 -0500
@@ -834,7 +834,7 @@
 	if (saddr == NULL)
 		return NULL;
 
-	GETNAMEINFO(saddr, addr, NULL);
+	GETNAMEINFO_NULL(saddr, addr);
 	snprintf(buf, sizeof(buf), "%s", addr);
 
 	return buf;
diff -aur ipsec-tools-0.4-orig/src/racoon/var.h ipsec-tools-0.4/src/racoon/var.h
--- ipsec-tools-0.4-orig/src/racoon/var.h	2004-06-11 12:00:17.000000000 -0400
+++ ipsec-tools-0.4/src/racoon/var.h	2004-12-16 14:42:14.983493752 -0500
@@ -82,6 +82,15 @@
 	} \
 } while (0);
 
+#define GETNAMEINFO_NULL(x, y) \
+do { \
+	if (getnameinfo((x), sysdep_sa_len(x), (y), sizeof(y), NULL, 0, \
+			NIFLAGS) != 0) { \
+		if (y) \
+			strncpy((y), "(invalid)", sizeof(y)); \
+	} \
+} while (0);
+
 #include <sys/queue.h>
 #ifndef LIST_FOREACH
 #define LIST_FOREACH(elm, head, field) \