return false;
        }

        // Basic hostname/IP validation
        return host.matches("^[a-zA-Z0-9.-]+$");
    }

    /**
     * Add path to blacklist
     *
     * @param path path or pattern to blacklist
     */
    public void addToBlacklist(String path) {
        blacklistedPaths.add(normalizePath(path).toLowerCase());
    }

    /**
     * Add path to whitelist
     *

    public void testBlacklistPriority() throws Exception {
        // Add to both blacklist and whitelist
        validator.addToBlacklist("\\share\\test");
        validator.addToWhitelist("\\share\\test");

        // Blacklist should take priority
        try {
            validator.validatePath("\\share\\test\\file.txt");
            fail("Blacklist should take priority over whitelist");
        } catch (SmbException e) {

            // continue the build but ban all projects that depend on the failed one
            buildContext.getReactorBuildStatus().blackList(mavenProject);
        } else if (MavenExecutionRequest.REACTOR_FAIL_FAST.equals(rootSession.getReactorFailureBehavior())) {
            buildContext.getReactorBuildStatus().halt();
        } else {