}
        this.server.securityMode = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        this.server.security = this.server.securityMode & 0x01;
        this.server.encryptedPasswords = (this.server.securityMode & 0x02) == 0x02;
        this.server.signaturesEnabled = (this.server.securityMode & 0x04) == 0x04;
        this.server.signaturesRequired = (this.server.securityMode & 0x08) == 0x08;

     */
    public int scapabilities;
    /**
     * OEM domain name of the server.
     */
    public String oemDomainName;
    /**
     * Security mode flags.
     */
    public int securityMode;
    /**
     * Security settings for the session.
     */
    public int security;
    /**
     * Whether the server requires encrypted passwords.
     */
    public boolean encryptedPasswords;
    /**

        }

        this.securityMode = SMBUtil.readInt2(buffer, bufferIndex + 2);
        // Validate security mode flags
        if ((this.securityMode & ~(Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED | Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED)) != 0) {
            log.warn("Server returned unknown security mode flags: 0x{}", Integer.toHexString(this.securityMode));
        }
        bufferIndex += 4;

        byte[] token = negoResp.getSecurityBlob();
        final int securityMode = negoResp.getSecurityMode();
        boolean anonymous = this.credentials.isAnonymous();
        final boolean doSigning = securityMode != 0 && !anonymous;
        long newSessId = 0;
        long curSessId = this.sessionId;

        synchronized (trans) {

        int securityMode = Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED;
        if (this.signingEnforced || first != null && first.isSigningRequired()) {
            securityMode = Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED | Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED;
        }

        return securityMode;
    }

        assertEquals(0, serverData.maxBufferSize);
        assertEquals(0, serverData.sessKey);
        assertEquals(0, serverData.scapabilities);
        assertNull(serverData.oemDomainName);
        assertEquals(0, serverData.securityMode);
        assertEquals(0, serverData.security);
        assertFalse(serverData.encryptedPasswords);
        assertFalse(serverData.signaturesEnabled);
        assertFalse(serverData.signaturesRequired);

    class ServerData {
        byte flags;
        int flags2;
        int maxMpxCount;
        int maxBufferSize;
        int sessionKey;
        int capabilities;
        String oemDomainName;
        int securityMode;
        int security;
        boolean encryptedPasswords;
        boolean signaturesEnabled;
        boolean signaturesRequired;
        int maxNumberVcs;
        int maxRawSize;
        long serverTime;