微软厂商
微软厂商自定义的私有属性，属性号为 26 ， Vendor ID = 311 ，子属性号为 1～255 。
| 属性名 | 编码 |
|---|---|
| MS-CHAP-Response | 1 |
| MS-CHAP-Error | 2 |
| MS-CHAP-CPW-1 | 3 |
| MS-CHAP-CPW-2 | 4 |
| MS-CHAP-LM-Enc-PW | 5 |
| MS-CHAP-NT-Enc-PW | 6 |
| MS-MPPE-Encryption-Policy | 7 |
| MS-MPPE-Encryption-Type | 8 |
| MS-RAS-Vendor | 9 |
| MS-CHAP-Domain | 10 |
| MS-CHAP-Challenge | 11 |
| MS-CHAP-MPPE-Keys | 12 |
| MS-BAP-Usage | 13 |
| MS-Link-Utilization-Threshold | 14 |
| MS-Link-Drop-Time-Limit | 15 |
| MS-MPPE-Send-Key | 16 |
| MS-MPPE-Recv-Key | 17 |
| MS-RAS-Version | 18 |
| MS-Old-ARAP-Password | 19 |
| MS-New-ARAP-Password | 20 |
| MS-ARAP-PW-Change-Reason | 21 |
| MS-Filter | 22 |
| MS-Acct-Auth-Type | 23 |
| MS-Acct-EAP-Type | 24 |
| MS-CHAP2-Response | 25 |
| MS-CHAP2-Success | 26 |
| MS-CHAP2-CPW | 27 |
| MS-Primary-DNS-Server | 28 |
| MS-Secondary-DNS-Server | 29 |
| MS-Primary-NBNS-Server | 30 |
| MS-Secondary-NBNS-Server | 31 |
| MS-ARAP-Challenge | 33 |