Makoto Sakaguchi created NET-624: ------------------------------------ Summary: SubnetInfo#toCidrNotation - allow a subnet mask Key: NET-624 URL: https://issues.apache.org/jira/browse/NET-624 Project: Commons Net Issue Type: Bug Affects Versions: 2.0 Reporter: Makoto Sakaguchi
An IPv4 subnet mask, which is also the network mask, must consist of a set of contiguous 1-bits followed by a block of 0-bits (i.e. 255.255.255.0), but it does not check. {code} /* 255.255.0.1 is 11111111.11111111.00000000.00000001 in binary */ SubnetUtils su = new Subnet("192.168.0.1", "255.255.0.1"); // expect error SubnetInfo si = su.getInfo(); System.out.println(si.getNetmask()); // Expect error or 255.255.0.1 255.255.128.0 {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)