+ ((this.negotiatedFlags2 & SmbConstants.FLAGS2_SECURITY_REQUIRE_SIGNATURES) != 0 ? "required" : "not-required"));
        }

        this.maxMpxCount = Math.min(this.maxMpxCount, this.server.smaxMpxCount);
        if (this.maxMpxCount < 1) {
            this.maxMpxCount = 1;
        }
        this.snd_buf_size = Math.min(this.snd_buf_size, this.server.maxBufferSize);

        return 0;
    }

    @Override
    public String toString() {
        return ("SmbComSessionSetupAndX[" + super.toString() + ",snd_buf_size=" + session.transport.snd_buf_size + ",maxMpxCount="
                + session.transport.maxMpxCount + ",VC_NUMBER=" + SmbConstants.VC_NUMBER + ",sessionKey=" + sessionKey + ",lmHash.length="

        buffer.putShort((short) 0); // dialectIndex
        buffer.put((byte) 0x0F); // securityMode (user, encrypted, sigs enabled, sigs required)
        buffer.putShort((short) 50); // maxMpxCount
        buffer.putShort((short) 10); // maxNumberVcs
        buffer.putInt(8192); // maxBufferSize
        buffer.putInt(65536); // maxRawSize
        buffer.putInt(123456789); // sessionKey

                + (server.security == SECURITY_SHARE ? "share" : "user") + ",encryptedPasswords=" + server.encryptedPasswords
                + ",maxMpxCount=" + server.maxMpxCount + ",maxNumberVcs=" + server.maxNumberVcs + ",maxBufferSize=" + server.maxBufferSize
                + ",maxRawSize=" + server.maxRawSize + ",sessionKey=0x" + Hexdump.toHexString(server.sessionKey, 8) + ",capabilities=0x"

        } else {
            flags2 &= 0xFFFF ^ SmbConstants.FLAGS2_SECURITY_SIGNATURES;
        }
        maxMpxCount = Math.min(maxMpxCount, server.maxMpxCount);
        if (maxMpxCount < 1) {
            maxMpxCount = 1;
        }
        snd_buf_size = Math.min(snd_buf_size, server.maxBufferSize);
        capabilities &= server.capabilities;

        int bufferIndex = 0;

        // dialectIndex
        buffer[bufferIndex++] = 5;
        buffer[bufferIndex++] = 0;
        // securityMode
        buffer[bufferIndex++] = 0x03;
        // maxMpxCount
        buffer[bufferIndex++] = 50;
        buffer[bufferIndex++] = 0;
        // maxNumberVcs
        buffer[bufferIndex++] = 1;
        buffer[bufferIndex++] = 0;
        // maxBufferSize

jcifs.smb.client.encryptionEnforced=false
jcifs.smb.client.disablePlainTextPasswords=true

# Performance
jcifs.smb.client.useBatching=true
jcifs.smb.client.useUnicode=true
jcifs.smb.client.maxMpxCount=10
```

### Usage with Properties

```java
Properties props = new Properties();
props.setProperty("jcifs.smb.client.domain", "MYDOMAIN");
props.setProperty("jcifs.smb.client.useLeases", "true");

        mockTransport.sessionKey = 0x12345678;
        mockTransport.capabilities = SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS;
        mockTransport.snd_buf_size = 16644;
        mockTransport.maxMpxCount = 50;

        // Configure mock session
        mockSession.transport = mockTransport;

        // Configure authentication - set fields directly since NtlmPasswordAuthentication is final

    }

    @Override
    public String toString() {
        return ("SmbComSessionSetupAndX[" + super.toString() + ",snd_buf_size=" + this.negotiated.getNegotiatedSendBufferSize()
                + ",maxMpxCount=" + this.negotiated.getNegotiatedMpxCount() + ",VC_NUMBER=" + getConfig().getVcNumber() + ",sessionKey="
                + this.negotiated.getNegotiatedSessionKey() + ",lmHash.length=" + (this.lmHash == null ? 0 : this.lmHash.length)

    /** Local port to bind to */
    int LPORT = Config.getInt("jcifs.smb1.smb.client.lport", 0);
    /** Maximum multiplex count */
    int MAX_MPX_COUNT = Config.getInt("jcifs.smb1.smb.client.maxMpxCount", DEFAULT_MAX_MPX_COUNT);
    /** Send buffer size in bytes */
    int SND_BUF_SIZE = Config.getInt("jcifs.smb1.smb.client.snd_buf_size", DEFAULT_SND_BUF_SIZE);
    /** Receive buffer size in bytes */