Knowledge

Header (computing)

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81:: The text (body) is preceded by header lines indicating sender, recipient, subject, sending time stamp, receiving time stamps of all intermediate and the final 301: 17: 359: 119:
governing the format of the payload and several other formats. The header's format is specified in the
153:, the header might give information about an image's size, resolution, number of colors, and the like. 224: 180: 297:
Update to Internet Message Format to Allow Group Syntax in the "From:" and "Sender:" Header Fields
116: 111:, the data (payload) are preceded by header information such as the sender's and the recipient's 354: 127: 31: 143: 323: 261: 176: 150: 8: 218: 157: 82: 48: 315: 213: 120: 43: 305: 251: 335: 326: 295: 281: 277: 273: 264: 245: 142:
to allow the receiver to adapt to analog amplitude and speed variations and for
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placed at the beginning of a block of data being stored or transmitted. In
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Information at the beginning of data which describes or defines the data
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It is vital that header composition follows a clear and unambiguous
139: 108: 66: 89: 184: 93: 39: 46:, the data following the header is sometimes called the 346: 243: 309: 255: 293: 14: 347: 287: 237: 138:, typically the header begins with a 172:and corresponding software utility. 160:, the file header might serve as a 24: 25: 371: 244:P. Resnick, ed. (October 2008). 302:Internet Engineering Task Force 13: 1: 230: 221:, used in computer networking 88:Similar headers are used in 7: 202: 72: 10: 376: 338:. 284:. 250:. Network Working Group. 168:to identify the specific 225:Field (computer science) 126:In data packets sent by 65:or format, to allow for 294:B. Leiba (March 2013). 247:Internet Message Format 38:refers to supplemental 280:. Updated by RFC  128:wireless communication 32:information technology 177:programming languages 151:graphics file formats 144:frame synchronization 158:archive file formats 83:mail transfer agents 276:. Updates RFC  272:Obsoletes RFC  219:Trailer (computing) 332:Proposed Standard. 134:of data stored on 360:Data transmission 334:Updates RFC  214:Protocol overhead 121:Internet Protocol 44:data transmission 16:(Redirected from 367: 339: 330: 313: 311:10.17487/RFC6854 291: 285: 268: 259: 257:10.17487/RFC5322 241: 191:are declared in 96:) messages, and 85:, and much more. 21: 375: 374: 370: 369: 368: 366: 365: 364: 345: 344: 343: 342: 292: 288: 270:Draft Standard. 242: 238: 233: 205: 199: 75: 28: 23: 22: 15: 12: 11: 5: 373: 363: 362: 357: 341: 340: 286: 235: 234: 232: 229: 228: 227: 222: 216: 211: 204: 201: 197: 196: 173: 154: 147: 136:magnetic media 124: 101: 86: 74: 71: 26: 9: 6: 4: 3: 2: 372: 361: 358: 356: 355:Computer data 353: 352: 350: 337: 333: 328: 325: 321: 317: 312: 307: 303: 299: 298: 290: 283: 279: 275: 271: 266: 263: 258: 253: 249: 248: 240: 236: 226: 223: 220: 217: 215: 212: 210: 207: 206: 200: 194: 190: 186: 182: 179:(for example 178: 174: 171: 167: 163: 159: 155: 152: 148: 145: 141: 137: 133: 129: 125: 122: 118: 114: 110: 107:sent via the 106: 102: 99: 95: 91: 87: 84: 80: 79:E-mail header 77: 76: 70: 68: 64: 63:specification 59: 57: 56: 51: 50: 45: 41: 37: 33: 19: 18:Packet header 331: 296: 289: 269: 246: 239: 198: 193:header files 113:IP addresses 98:HTTP headers 60: 53: 47: 35: 29: 170:file format 162:fingerprint 105:data packet 349:Categories 231:References 320:2070-1721 189:functions 166:signature 130:, and in 203:See also 175:In some 140:syncword 117:protocol 109:Internet 73:Examples 132:sectors 67:parsing 49:payload 318:  209:Footer 187:) the 115:, the 90:Usenet 36:header 103:In a 336:5322 327:6854 316:ISSN 282:6854 278:4021 274:2822 265:5322 183:and 94:NNTP 55:body 40:data 324:RFC 306:doi 262:RFC 252:doi 185:C++ 164:or 156:In 149:In 52:or 30:In 351:: 322:. 314:. 304:. 300:. 260:. 69:. 58:. 34:, 329:. 308:: 267:. 254:: 195:. 181:C 146:. 123:. 100:. 92:( 20:)

Index

Packet header
information technology
data
data transmission
payload
body
specification
parsing
E-mail header
mail transfer agents
Usenet
NNTP
HTTP headers
data packet
Internet
IP addresses
protocol
Internet Protocol
wireless communication
sectors
magnetic media
syncword
frame synchronization
graphics file formats
archive file formats
fingerprint
signature
file format
programming languages
C

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