Reference Materials

ASCII characters are categorized into printable and non-printable (control) characters.

Reference: Custom Attack Object Protocol Numbers

Table 1 protocol numbers used in the IDP system.

Table 1: IDP Attack Objects: Protocol Numbers
Protocol Name	Protocol Number
HOPOPT	0
ICMP	1
IGMP	2
GGP	3
IPIP	4
ST	5
TCP	6
CBT	7
EGP	8
IGP	9
BBN-RCC-MON	10
NVP-II	11
PUP	12
ARGUS	13
EMCON	14
XNET	15
CHAOS	16
UDP	17
MUX	18
DCN-MEAS	19
HMP	20
PRM	21
XND-IDP	22
TRUNK-1	23
TRUNK-2	24
LEAF-1	25
LEAF-2	26
RDP	27
IRTP	28
ISO-TP4	29
NETBLT	30
MFE-NSP	31
MERIT-INP	32
SEP	33
3PC	34
IDPR	35
XTP	36
DDP	37
TP_PLUS_PLUS	39
IL	40
IPV6	41
SDRP	42
IPV6-ROUTING	43
IDV6-FRAGMENT	44
IDRP	45
RSVP	46
GRE	47
MHRP	48
BNA	49
ESP	50
AH	51
I-NLSP	52
SWIPE	53
NARP	54
MOBILE	55
TLSP	56
SKIP	57
IPV6-ICMP	58
IPV6-NONXT	59
IPV6-OPTS	60
AHIP	61
CFTP	62
ALNP	63
SAT-EXPAK	64
KRYPTOLAN	65
RVD	66
IPPC	67
ADFSP	68
SAT-MON	69
VISA	70
IPCV	71
CPNX	72
CPHB	73
WSN	74
PVP	75
BR-SAT-MON	76
SUN-ND	77
WB-MON	78
WB-EXPAK	79
ISO-IP	80
VMTP	81
SECURE-VMTP	82
VINES	83
TTP	84
NSFNET-IBP	85
DGP	86
TCF	87
EIGRP	88
OSPFIGP	89
SPRITE-RPC	90
LARP	91
MTP	92
AX_25	93
IPIP	94
MICP	95
SCC-SP	96
ETHERIP	97
ENCAP	98
APES	99
GMTP	100
IFMP	101
PNNI	102
PIM	103
ARIS	104
SCPS	105
QNX	106
A/N	107
IPCOMP	108
SNP	109
COMPAT-PEER	110
IPZ-IN-IP	111
VRRP	112
PGM	113
HOP-O	114
L2TP	115
DDX	116
IATP	117
STP	118
SRP	119
UTI	120
SMP	121
SSM	122
PTP	123
ISIS	124
FIRE	125
CRTP	126
CRUDP	127
SSCOPMCE	128
IPLT	129
SPS	130
PIPE	131
SCTP	132
FC	133
RSVP-E2E-IGNORE	134
n/a
n/a
n/a
RESERVED	255

Reference: Nonprintable and Printable ASCII Characters

The following tables provide details on ASCII representation of nonprintable and printable characters.

Table 2: ASCII Reference: Nonprintable Characters
Dec	Hex	Oct	Char	Comment
0	0	000	NUL	Null
1	1	001	SOH	Start of Heading
2	2	002	STX	Start of Text
3	3	003	ETX	End of Text
4	4	004	EOT	End of Transmission
5	5	005	ENQ	Enquiry
6	6	006	ACK	Acknowledge
7	7	007	BEL	Bell
8	8	010	BS	Backspace
9	9	011	TAB	Horizontal Tab
10	A	012	LF	Line Feed
11	B	013	VT	Vertical Tab
12	C	014	FF	Form Feed
13	D	015	CR	Carriage Return
14	E	016	SO	Shift Out
15	F	017	SI	Shift In
16	10	020	DLE	Data Link Escape
17	11	021	DC1	Device Control 1
18	12	022	DC2	Device Control 2
19	13	023	DC3	Device Control 3
20	14	024	DC4	Device Control 4
21	15	025	NAK	Negative Acknowledgement
22	16	026	SYN	Synchronous Idle
23	17	027	ETB	End of Transmission Block
24	18	030	CAN	Cancel
25	19	031	EM	End of Medium
26	1A	032	SUB	Substitute
27	1B	033	ESC	Escape
28	1C	034	FS	File Separator
29	1D	035	GS	Group Separator
30	1E	036	RS	Record Separator
31	1F	037	US	Unit Separator

Table 3: ASCII Reference: Printable Characters
Dec	Hex	Oct	Char
32	20	040	Space
33	21	041	!
34	22	042
35	23	043	#
36	24	044	$
37	25	045	%
38	26	046	&
39	27	047
40	28	050	(
41	29	051	)
42	2A	052	*
43	2B	053	+
44	2C	054	,
45	2D	055	-
46	2E	056	.
47	2F	057	/
48	30	060	0
49	31	061	1
50	32	062	2
51	33	063	3
52	34	064	4
53	35	065	5
54	36	066	6
55	37	067	7
56	38	070	8
57	39	071	9
58	3A	072	:
59	3B	073	;
60	3C	074	<
61	3D	075	=
62	3E	076	>
63	3F	077	?
64	40	100	@
65	41	101	A
66	42	102	B
67	43	103	C
68	44	104	D
69	45	105	E
70	46	106	F
71	47	107	G
72	48	110	H
73	49	111	I
74	4A	112	J
75	4B	113	K
76	4C	114	L
77	4D	115	M
78	4E	116	N
79	4F	117	O
80	50	120	P
81	51	121	Q
82	52	122	R
83	53	123	S
'84	54	124	T
85	55	125	U
86	56	126	V
87	57	127	W
88	58	130	X
89	59	131	Y
90	5A	132	Z
91	5B	133	[
92	5C	134	\
93	5D	135	]
94	5E	136	^
95	5F	137	_
96	60	140	`
97	61	141	a
98	62	142	b
99	63	143	c
100	64	144	d
101	65	145	e
102	66	146	f
103	67	147	g
104	68	150	h
105	69	151	I
106	6A	152	j
107	6B	153	k
108	6C	154	l
109	6D	155	m
110	6E	156	n
111	6F	157	o
112	70	160	p
113	71	161	q
114	72	162	r
115	73	163	s
116	74	164	t
117	75	165	u
118	76	166	v
119	77	167	w
120	78	170	x
121	79	171	y
122	7A	172	z
123	7B	173	{
124	7C	174	\|
125	7D	175	}
126	7E	176	~
127	7F	177	DEL
128	80	200	Ç
129	81	201	ü
130	82	202	é
131	83	203	â
132	84	204	ä
133	85	205	à
134	86	206	å
135	87	207	ç
136	88	210	ê
137	89	211	ë
138	8A	212	è
139	8B	213	ï
140	8C	214	î
141	8D	215	ì
142	8E	216	Ä
143	8F	217	Å
144	90	220	É
145	91	221	æ
146	92	222	Æ
147	93	223	ô
148	94	224	ö
149	95	225	ò
150	96	226	û
151	97	227	ù
152	98	230	ÿ
153	99	231	Ö
154	9A	232	Ü
155	9B	233	¢
156	9C	234	£
157	9D	235	¥
158	9E	236	P
159	9F	237	ƒ
160	A0	240	á
161	A1	241	í
162	A2	242	ó
163	A3	243	ú
164	A4	244	ñ
165	A5	245	Ñ
166	A6	246	ª
167	A7	247	º
168	A8	250	¿
169	A9	251	¬
170	AA	252
171	AB	253	½
172	AC	254	¼
173	AD	255	¡
174	AE	256	"
175	AF	257	"
176	B0	260	¦
177	B1	262	¦
178	B2	262	¦
179	B3	263	¦
180	B4	264	¦
181	B5	265	¦
182	B6	266	¦
183	B7	267	+
184	B8	270	+
185	B9	271	¦
186	BA	272	¦
187	BB	273	+
188	BC	274	+
189	BD	275	+
190	BE	276	+
191	BF	277	+
192	C0	300	+
193	C1	301	-
194	C2	302	-
195	C3	303	+
196	C4	304	-
197	C5	305	+
198	C6	306	¦
199	C7	307	¦
200	C8	310	+
201	C9	311	+
202	CA	312	-
203	CB	313	-
204	CC	314	¦
205	CD	315	-
206	CE	316	+
207	CF	317	-
208	D0	320	-
209	D1	321	-
210	D2	322	-
211	D3	323	+
212	D4	324	+
213	D5	325	+
214	D6	326	+
215	D7	327	+
216	D8	330	+
217	D9	331	+
218	DA	332	+
219	DB	333	¦
220	DC	334	_
221	DD	335	¦
222	DE	336	¦
223	DF	337	¯
224	E0	340	a
225	E1	341	ß
226	E2	342	G
227	E3	343	p
228	E4	344	S
229	E5	345	s
230	E6	346	µ
231	E7	347	t
232	E8	350	F
233	E9	351	T
234	EA	352	O
235	EB	353	d
236	EC	354	8
237	ED	355	f
238	EE	356	e
239	EF	357	n
240	F0	360	=
241	F1	361	+/-
242	F2	362	=
243	F3	363	=
244	F4	364	(
245	F5	365	)
246	F6	366	÷
247	F7	367	˜
248	F8	370	°
249	F9	371	﹒
250	FA	372	﹒
251	FB	373	v
252	FC	374	n
253	FD	375	²
254	FE	376	¦
255	FF	377

ON THIS PAGE

Reference Materials

Reference: Custom Attack Object Protocol Numbers

Reference: Nonprintable and Printable ASCII Characters