/**
         * Creates a new witness IP address.
         *
         * @param address the IP address
         */
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        /**
         * Gets the IP address.
         *
         * @return the IP address
         */

     *
     * 1) IP Address - If a dot-quad IP string is used with getByName (or used
     * to create an NbtAddress internal to this netbios package), no query is
     * sent on the wire and the only state this object has is it's IP address
     * (but that's enough to connect to a host using *SMBSERVER for CallingName).
     *
     * 2) IP Address, NetBIOS name, nodeType, groupName - If however a

        String username = "testuser";
        String ip = "192.168.1.2";

        // First attempts should be allowed
        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

    }

    /**
     * Manually unblock an IP
     *
     * @param sourceIp the IP to unblock
     * @return true if IP was unblocked, false if not found
     */
    public boolean unblockIp(String sourceIp) {
        IpAttempts ip = ipAttempts.get(sourceIp);
        if (ip != null) {
            ip.reset();
            log.info("Manually unblocked IP: {}", sourceIp);
            return true;
        }

    /**
     * Gets the active external host IP address for active mode FTP.
     *
     * @return The active external host IP address
     */
    public String getActiveExternalHost() {
        return activeExternalHost;
    }

    /**
     * Sets the active external host IP address for active mode FTP.
     *
     * @param activeExternalHost The active external host IP address
     */

     *
     * 1) IP Address - If a dot-quad IP string is used with getByName (or used
     * to create an NbtAddress internal to this netbios package), no query is
     * sent on the wire and the only state this object has is it's IP address
     * (but that's enough to connect to a host using *SMBSERVER for CallingName).
     *
     * 2) IP Address, NetBIOS name, nodeType, groupName - If however a

    NetbiosName getUnknownName();

    /**
     * Retrieve all addresses of a host by it's address. NetBIOS hosts can
     * have many names for a given IP address. The name and IP address make the
     * NetBIOS address. This provides a way to retrieve the other names for a
     * host with the same IP address.
     *
     * @param addr
     *            the address to query
     * @return resolved addresses
     * @throws UnknownHostException

    /**
     * Check whether a hostname is actually an ip address
     *
     * @param hostname the hostname to check
     * @return whether this is an IP address
     */
    public static boolean isDotQuadIP(final String hostname) {
        if (Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();

        /**
         * Get the list of IP addresses for IP change notifications
         *
         * @return list of IP addresses
         */
        public List<String> getIpAddresses() {
            return ipAddresses;
        }

        /**
         * Sets the list of IP addresses for IP change notifications.
         *
         * @param ipAddresses the list of new IP addresses available for the witness service

        // Create a temporary lmhosts file with invalid IP formats
        File lmhostsFile = tempDir.resolve("lmhosts_invalid").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168 HOST1\n"); // Invalid IP - missing 2 octets (should be skipped)
            writer.write("192.168.1.100 VALIDHOST\n");
            writer.write("not.an.ip HOST2\n"); // Invalid IP format