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) {

            allowed by the alias or set of aliases defined.
            """
        ),
    ] = None,
    serialization_alias: Annotated[
        Union[str, None],
        Doc(
            """
            'Blacklist' validation step. The vanilla parameter field will be the
            single one of the alias' or set of aliases' fields and all the other
            fields will be ignored at serialization time.
            """
        ),

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