/**
     * Whether the server requires encrypted passwords.
     */
    public boolean encryptedPasswords;
    /**
     * Whether message signing is enabled.
     */
    public boolean signaturesEnabled;
    /**
     * Whether message signing is required.
     */
    public boolean signaturesRequired;
    /**
     * Maximum number of virtual circuits.
     */
    public int maxNumberVcs;
    /**

        server.securityMode = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;
        server.signaturesRequired = (server.securityMode & 0x08) == 0x08;
        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        assertEquals(0x0F, serverData.securityMode);
        assertEquals(0x01, serverData.security);
        assertTrue(serverData.encryptedPasswords);
        assertTrue(serverData.signaturesEnabled);
        assertTrue(serverData.signaturesRequired);
        assertEquals(50, serverData.maxMpxCount);
        assertEquals(10, serverData.maxNumberVcs);
        assertEquals(8192, serverData.maxBufferSize);