Radius Packet Types & Attributes

The RADIUS protocol is defined in RFC 2865. These are just the highlights...

Packet Types

Type Code Type Name Notes
1 Access-Request  
2 Access-Accept  
3 Access-Reject  
11 Access-Challenge  

Standard Attributes

Value Name Notes
1 User-Name  
2 User-Password  
3 CHAP-Password  
4 NAS-IP-Address  
5 NAS-Port  
6 Service-Type  
7 Framed-Protocol  
8 Framed-IP-Address  
9 Framed-IP-Netmask  
10 Framed-Routing  
11 Filter-Id  
12 Framed-MTU  
13 Framed-Compression  
14 Login-IP-Host  
15 Login-Service  
16 Login-TCP-Port  
17 (unassigned)  
18 Reply-Message  
19 Callback-Number  
20 Callback-Id  
21 (unassigned)  
22 Framed-Route  
23 Framed-IPX-Network  
24 State  
25 Class  
26 Vendor-Specific  
27 Session-Timeout  
28 Idle-Timeout  
29 Termination-Action  
30 Called-Station-Id  
31 Calling-Station-Id  
32 NAS-Identifier  
33 Proxy-State  
34 Login-LAT-Service  
35 Login-LAT-Node  
36 Login-LAT-Group  
37 Framed-AppleTalk-Link  
38 Framed-AppleTalk-Network  
39 Framed-AppleTalk-Zone  
40-59 (reserved for accounting)  
60 CHAP-Challenge  
61 NAS-Port-Type  
62 Port-Limit  
63 Login-LAT-Port  

:-)
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