diff -ur a/ncat/test/test-addrset.sh b/ncat/test/test-addrset.sh
--- a/ncat/test/test-addrset.sh	2022-06-10 23:58:27.986436037 +0000
+++ b/ncat/test/test-addrset.sh	2022-06-10 23:58:53.873431469 +0000
@@ -266,9 +266,6 @@
 scanme.nmap.org
 EOF
 
-expect_fail "."
-expect_fail "-"
-expect_fail ","
 expect_fail "1.2.3.4,"
 expect_fail ",1.2.3.4"
 expect_fail "1.2.3.4.5"