Knowledge (XXG)

QOTD

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405:. As indicated there, the QOTD concept predated the specification, when QOTD was used by mainframe sysadmins to broadcast a daily quote on request by a user. It was then formally codified both for prior purposes as well as for testing and measurement purposes. 368: 128: 361: 88: 545: 218: 213: 183: 43: 290: 233: 158: 492: 300: 270: 354: 285: 78: 103: 93: 409: 223: 203: 153: 143: 138: 133: 540: 320: 280: 148: 427:
attacks, interest continues in the pre-existing purpose of serving quotes as can be seen with web engine searches.
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port 17. To keep the quotes at a reasonable length, RFC 865 specifies a maximum of 512 octets for the quote.
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Although some sources indicate that the QOTD service is rarely enabled, and is in any case often
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A host may connect to a server that supports the QOTD protocol, on either
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Internet protocol that provides the quote of the day
476: 362: 8: 442:, which are more robust adaptations of the 506: 504: 369: 355: 18: 467: 310: 243: 193: 28: 21: 7: 430:Current testing and measurement of 14: 1: 389:) service is a member of the 513:"Check for presence of qotd" 456:Wikiquote's Quote of the day 546:Application layer protocols 434:is more commonly done with 562: 483:. Academic Press. p.  511:Perrin, Mathieu (1999). 391:Internet protocol suite 23:Internet protocol suite 475:Graham, Buck (1997). 393:, defined in 1983 in 541:Internet protocols 479:TCP/IP Addressing 425:denial-of-service 379: 378: 30:Application layer 553: 525: 524: 522: 520: 515:. security space 508: 499: 498: 482: 472: 383:Quote of the Day 371: 364: 357: 19: 561: 560: 556: 555: 554: 552: 551: 550: 531: 530: 529: 528: 518: 516: 510: 509: 502: 495: 474: 473: 469: 464: 452: 375: 195:Transport layer 17: 12: 11: 5: 559: 557: 549: 548: 543: 533: 532: 527: 526: 500: 493: 466: 465: 463: 460: 459: 458: 451: 448: 377: 376: 374: 373: 366: 359: 351: 348: 347: 346: 345: 338: 333: 328: 323: 315: 314: 308: 307: 306: 305: 298: 293: 288: 283: 278: 268: 267: 266: 261: 248: 247: 245:Internet layer 241: 240: 239: 238: 231: 226: 221: 216: 211: 206: 198: 197: 191: 190: 189: 188: 181: 176: 171: 166: 161: 156: 151: 146: 141: 136: 131: 126: 121: 116: 111: 106: 101: 96: 91: 86: 81: 76: 71: 61: 56: 51: 41: 33: 32: 26: 25: 15: 13: 10: 9: 6: 4: 3: 2: 558: 547: 544: 542: 539: 538: 536: 514: 507: 505: 501: 496: 494:0-12-294630-8 490: 486: 481: 480: 471: 468: 461: 457: 454: 453: 449: 447: 445: 444:echo protocol 441: 437: 433: 428: 426: 422: 417: 415: 411: 406: 404: 400: 396: 392: 388: 384: 372: 367: 365: 360: 358: 353: 352: 350: 349: 344: 343: 339: 337: 334: 332: 329: 327: 324: 322: 319: 318: 317: 316: 313: 309: 304: 303: 299: 297: 294: 292: 289: 287: 284: 282: 279: 276: 272: 269: 265: 262: 260: 257: 256: 255: 252: 251: 250: 249: 246: 242: 237: 236: 232: 230: 227: 225: 222: 220: 217: 215: 212: 210: 207: 205: 202: 201: 200: 199: 196: 192: 187: 186: 182: 180: 177: 175: 172: 170: 167: 165: 162: 160: 157: 155: 152: 150: 147: 145: 142: 140: 137: 135: 132: 130: 127: 125: 122: 120: 117: 115: 112: 110: 107: 105: 102: 100: 97: 95: 92: 90: 87: 85: 82: 80: 77: 75: 72: 69: 65: 62: 60: 57: 55: 52: 49: 45: 42: 40: 37: 36: 35: 34: 31: 27: 24: 20: 517:. Retrieved 478: 470: 429: 418: 407: 386: 382: 380: 341: 301: 234: 184: 432:IP networks 535:Categories 462:References 440:traceroute 421:firewalled 403:Jon Postel 312:Link layer 519:23 August 423:to avoid 450:See also 342:more... 326:Tunnels 302:more... 235:more... 185:more... 174:TLS/SSL 129:ONC/RPC 66: ( 491:  397:  169:Telnet 68:HTTP/3 296:IPsec 74:HTTPS 521:2015 489:ISBN 438:and 436:ping 387:QOTD 381:The 291:IGMP 271:ICMP 229:QUIC 224:RSVP 219:SCTP 214:DCCP 179:XMPP 159:SNMP 154:SMTP 139:RTSP 114:OSPF 104:NNTP 99:MQTT 94:MGCP 89:LDAP 79:IMAP 64:HTTP 44:DHCP 414:UDP 412:or 410:TCP 401:by 399:865 395:RFC 336:MAC 331:PPP 321:ARP 286:ECN 281:NDP 209:UDP 204:TCP 164:SSH 149:SIP 144:RIP 134:RTP 124:PTP 119:POP 109:NTP 84:IRC 59:FTP 54:DNS 39:BGP 537:: 503:^ 487:. 485:26 275:v6 264:v6 259:v4 254:IP 48:v6 523:. 497:. 385:( 370:e 363:t 356:v 277:) 273:( 70:) 50:) 46:(

Index

Internet protocol suite
Application layer
BGP
DHCP
v6
DNS
FTP
HTTP
HTTP/3
HTTPS
IMAP
IRC
LDAP
MGCP
MQTT
NNTP
NTP
OSPF
POP
PTP
ONC/RPC
RTP
RTSP
RIP
SIP
SMTP
SNMP
SSH
Telnet
TLS/SSL

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