TCP/IP¸¦ ÅëÇÑ ¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©¿¡ ´ëÇÑ ¼³¸í

±â¼ú ÀÚ·á: 172983 - ÀÌ ¹®¼­°¡ Àû¿ëµÇ´Â Á¦Ç° º¸±â.
¸ðµÎ È®´ë | ¸ðµÎ Ãà¼Ò

ÀÌ ÆäÀÌÁö¿¡¼­

¿ä¾à

ÀÌ ¹®¼­´Â TCP/IP¸¦ Àß ¾Ë°í ÀÖ´Â µ¶ÀÚ¸¦ À§ÇÑ °ÍÀ̸ç TCP ¿¬°áÀ» ½ÃÀÛÇϰųª Á¾·áÇÒ ¶§ Ŭ¶óÀ̾ðÆ®¿Í ¼­¹ö »çÀÌ¿¡¼­ ¹ß»ýÇÏ´Â TCP ¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©ÀÇ ÇÁ·Î¼¼½º¸¦ ¼³¸íÇÕ´Ï´Ù.

À§·Î °¡±â | Çǵå¹é º¸³»±â

Ãß°¡ Á¤º¸

TCP/IP Àü¼Û ÇÁ·ÎÅäÄÝÀÇ Àü¼Û Á¦¾î ÇÁ·ÎÅäÄÝ(TCP) ¼öÁØÀº ¿¬°á ÁöÇâÀÔ´Ï´Ù. ¿¬°á ÁöÇâÀ̶õ µ¥ÀÌÅ͸¦ Àü¼ÛÇϱâ Àü¿¡ ½Å·Ú¼º ÀÖ´Â ¿¬°áÀ» ¾ò°í ÀÀ´äÇØ¾ß ÇÏ´Â °ÍÀ» ÀǹÌÇÕ´Ï´Ù. TCP ¼öÁØ µ¥ÀÌÅÍ Àü¼Û, ¿¬°á ¼³Á¤ ¹× ¿¬°á Á¾·á´Â Àüü ÇÁ·Î¼¼½º¸¦ Á¦¾îÇϴ ƯÁ¤ Á¦¾î ¸Å°³ º¯¼ö¸¦ À¯ÁöÇÕ´Ï´Ù. Á¦¾î ºñÆ®´Â ´ÙÀ½°ú °°½À´Ï´Ù.
URG: ±ä±ÞÇÑ ÁöÁ¡ À¯È¿ Çʵå
ACK: ÀÀ´ä À¯È¿ Çʵå
PSH: ¹Ð¾î³Ö±â(Push) ±â´É
RST: ¿¬°á Àç¼³Á¤
SYN: ½ÃÄö½º ¹øÈ£ µ¿±âÈ­
FIN: º¸³½ »ç¶÷À¸·ÎºÎÅÍ ´õ ÀÌ»óÀÇ µ¥ÀÌÅÍ ¾øÀ½
¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©°¡ ¹ß»ýÇÏ´Â ½Ã³ª¸®¿À´Â µÎ °¡Áö°¡ ÀÖ½À´Ï´Ù.
  • ¿¬°á ¼³Á¤(È°¼º ¿­±â)
  • ¿¬°á Á¾·á(È°¼º ´Ý±â)
´ÙÀ½ ¿¹Á¦ Á¤º¸´Â ³×Æ®¿öÅ© ¸ð´ÏÅÍ Ä¸Ã³¿¡¼­ ¾òÀº °ÍÀÔ´Ï´Ù. ³×Æ®¿öÅ© ¸ð´ÏÅÍ´Â Microsoft Systems Management Server¿¡¼­ ¾òÀ» ¼ö ÀÖ´Â ÇÁ·ÎÅäÄÝ ºÐ¼®±âÀÔ´Ï´Ù.

¿¬°á ¼³Á¤

´ÙÀ½ ½ÃÄö½º´Â ¼³Á¤ ÁßÀÎ TCP ¿¬°áÀÇ ÇÁ·Î¼¼½º¸¦ º¸¿©ÁÝ´Ï´Ù.

ÇÁ·¹ÀÓ 1:

ù ¹ø° ÇÁ·¹ÀÓ¿¡¼­ º¼ ¼ö ÀÖµíÀÌ Å¬¶óÀ̾ðÆ® NTW3Àº SYN ¼¼±×¸ÕÆ®(TCP ....S.)¸¦ º¸³À´Ï´Ù. ÀÌ°ÍÀº ½ÃÄö½º ¹øÈ£ µ¿±âÈ­¸¦ ¼­¹ö¿¡ ¿äûÇϸç 1¾¿ Áõ°¡(8221821+1=8221822)µÇ°í ¼­¹ö·Î º¸³»Áö´Â Ãʱ⠽ÃÄö½º ¹øÈ£(ISN)¸¦ ÁöÁ¤ÇÕ´Ï´Ù. ¿¬°áÀ» ÃʱâÈ­ÇÏ·Á¸é Ŭ¶óÀ̾ðÆ®¿Í ¼­¹ö°¡ ¼­·ÎÀÇ ½ÃÄö½º ¹øÈ£¸¦ µ¿±âÈ­ÇØ¾ß ÇÕ´Ï´Ù. ¶ÇÇÑ ÃÖ´ë ¼¼±×¸ÕÆ® Å©±â(MSS)¸¦ ¼³Á¤ÇÏ´Â ¿É¼Çµµ ÀÖ½À´Ï´Ù. ÀÌ°ÍÀº ±æÀÌ·Î Á¤Àǵ˴ϴÙ(len: 4). ÀÌ ¿É¼ÇÀº º¸³½ »ç¶÷ÀÌ ¹ÞÀ¸·Á°í ÇÏ´Â ÃÖ´ë ¼¼±×¸ÕÆ® Å©±â¸¦ ¾Ë·ÁÁÝ´Ï´Ù. ÀÀ´ä Çʵå(ack: 0)´Â ¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©ÀÇ Ã¹ ¹ø° ºÎºÐÀ̱⠶§¹®¿¡ 0À¸·Î ¼³Á¤µË´Ï´Ù. 
1    2.0785 NTW3 --> BDC3 TCP ....S., len: 4, seq: 8221822-8221825, ack: 0,
win: 8192, src: 1037  dst:  139 (NBT Session)  NTW3 -->  BDC3 IP

TCP: ....S., len: 4, seq: 8221822-8221825, ack: 0, win: 8192, src: 1037
dst:  139 (NBT Session)

   TCP: Source Port = 0x040D
   TCP: Destination Port = NETBIOS Session Service
   TCP: Sequence Number = 8221822 (0x7D747E)
   TCP: Acknowledgement Number = 0 (0x0)
   TCP: Data Offset = 24 (0x18)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x02 : ....S.

      TCP: ..0..... = No urgent data
      TCP: ...0.... = Acknowledgement field not significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......1. = Synchronize sequence numbers
      TCP: .......0 = No Fin

   TCP: Window = 8192 (0x2000)
   TCP: Checksum = 0xF213
   TCP: Urgent Pointer = 0 (0x0)
   TCP: Options

         TCP: Option Kind (Maximum Segment Size) = 2 (0x2)
         TCP: Option Length = 4 (0x4)
         TCP: Option Value = 1460 (0x5B4)

   TCP: Frame Padding

00000:  02 60 8C 9E 18 8B 02 60 8C 3B 85 C1 08 00 45 00   .`.....`.;....E.
00010:  00 2C 0D 01 40 00 80 06 E1 4B 83 6B 02 D6 83 6B   .,..@....K.k...k
00020:  02 D3 04 0D 00 8B 00 7D 74 7E 00 00 00 00 60 02   .......}t~....`.
00030:  20 00 F2 13 00 00 02 04 05 B4 20 20                .........
ÇÁ·¹ÀÓ 2:

µÎ ¹ø° ÇÁ·¹ÀÓ¿¡¼­ ¼­¹ö BDC3Àº ÀÌ ¼¼±×¸ÕÆ®¿¡ ACK¿Í SYN(TCP .A..S.)À» º¸³À´Ï´Ù. ÀÌ ¼¼±×¸ÕÆ®¿¡¼­ ¼­¹ö´Â µ¿±âÈ­¸¦ À§ÇÑ Å¬¶óÀ̾ðÆ®ÀÇ ¿äûÀ» ÀÀ´äÇÕ´Ï´Ù. µ¿½Ã¿¡ ¼­¹ö´Â ½ÃÄö½º ¹øÈ£ÀÇ µ¿±âÈ­¸¦ À§ÇØ Å¬¶óÀ̾ðÆ®¿¡µµ ¿äûÀ» º¸³À´Ï´Ù. ÀÌ ¼¼±×¸ÕÆ®¿¡´Â ÇÑ °¡Áö Áß¿äÇÑ Â÷ÀÌÁ¡ÀÌ ÀÖ½À´Ï´Ù. ¼­¹ö´Â Ŭ¶óÀ̾ðÆ®¿¡ ÀÀ´ä ¹øÈ£(8221823)¸¦ Àü¼ÛÇÕ´Ï´Ù. ÀÀ´äÀº ACK°¡ Ŭ¶óÀ̾ðÆ®¿¡¼­ ½ÃÀÛÇÑ SYN°ú °ü·ÃÀÌ ÀÖÀ½À» Ŭ¶óÀ̾ðÆ®¿¡ Áõ¸íÇÏ´Â °ÍÀÏ »ÓÀÔ´Ï´Ù. Ŭ¶óÀ̾ðÆ® ¿äûÀ» ÀÀ´äÇÏ´Â ÇÁ·Î¼¼½º¸¦ »ç¿ëÇÏ¸é ¼­¹ö°¡ Ŭ¶óÀ̾ðÆ®ÀÇ ½ÃÄö½º ¹øÈ£¸¦ 1¾¿ Áõ°¡½ÃÅ°°í ÀÌ°ÍÀ» ÀÀ´ä ¹øÈ£·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. 
2   2.0786 BDC3 --> NTW3  TCP .A..S., len: 4, seq: 1109645-1109648, ack:
8221823, win: 8760, src: 139 (NBT Session)  dst: 1037 BDC3 --> NTW3  IP

TCP: .A..S., len:    4, seq:   1109645-1109648, ack:   8221823, win: 8760,
src:  139 (NBT Session)  dst: 1037

   TCP: Source Port = NETBIOS Session Service
   TCP: Destination Port = 0x040D
   TCP: Sequence Number = 1109645 (0x7D747E)
   TCP: Acknowledgement Number = 8221823 (0x7D747F)
   TCP: Data Offset = 24 (0x18)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x12 : .A..S.

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......1. = Synchronize sequence numbers
      TCP: .......0 = No Fin

   TCP: Window = 8760 (0x2238)
   TCP: Checksum = 0x012D
   TCP: Urgent Pointer = 0 (0x0)
   TCP: Options

         TCP: Option Kind (Maximum Segment Size) = 2 (0x2)
         TCP: Option Length = 4 (0x4)
         TCP: Option Value = 1460 (0x5B4)

   TCP: Frame Padding

00000:  02 60 8C 3B 85 C1 02 60 8C 9E 18 8B 08 00 45 00   .`.;...`......E.
00010:  00 2C 5B 00 40 00 80 06 93 4C 83 6B 02 D3 83 6B   .,[.@....L.k...k
00020:  02 D6 00 8B 04 0D 00 10 EE 8D 00 7D 74 7F 60 12   ...........}t`.
00030:  22 38 01 2D 00 00 02 04 05 B4 20 20               "8.-......
ÇÁ·¹ÀÓ 3:

¼¼ ¹ø° ÇÁ·¹ÀÓ¿¡¼­ Ŭ¶óÀ̾ðÆ®´Â ÀÌ ¼¼±×¸ÕÆ®¿¡ ACK(TCP .A....)¸¦ º¸³À´Ï´Ù. ÀÌ ¼¼±×¸ÕÆ®¿¡¼­ Ŭ¶óÀ̾ðÆ®´Â µ¿±âÈ­¸¦ À§ÇÑ ¼­¹öÀÇ ¿äûÀ» ÀÀ´äÇÕ´Ï´Ù. Ŭ¶óÀ̾ðÆ®´Â ÀÀ´ä ¹øÈ£¸¦ Á¦°øÇÏ´Â µ¥ ¼­¹ö¿¡¼­ ±¸ÇöµÇ´Â µ¿ÀÏÇÑ ¾Ë°í¸®ÁòÀ» »ç¿ëÇÕ´Ï´Ù. µ¿±âÈ­¸¦ À§ÇÑ ¼­¹öÀÇ ¿äûÀ» Ŭ¶óÀ̾ðÆ®°¡ ÀÀ´äÇÏ¸é ½Å·Ú¼º ÀÖ´Â ¿¬°áÀ» ¼³Á¤ÇÏ´Â ÇÁ·Î¼¼½º°¡ ¿Ï·áµÇ¹Ç·Î ÀÌ·± ½ÄÀ¸·Î ¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©°¡ ÀÌ·ç¾îÁý´Ï´Ù. 
3   2.787 NTW3 --> BDC3  TCP .A...., len: 0, seq: 8221823-8221823, ack:
1109646, win: 8760, src: 1037  dst:  139 (NBT Session)  NTW3 -->  BDC3 IP

TCP: .A...., len:    0, seq:   8221823-8221823, ack:   1109646, win: 8760,
src: 1037  dst:  139 (NBT Session)

   TCP: Source Port = 0x040D
   TCP: Destination Port = NETBIOS Session Service
   TCP: Sequence Number = 8221823 (0x7D747F)
   TCP: Acknowledgement Number = 1109646 (0x10EE8E)
   TCP: Data Offset = 20 (0x14)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x10 : .A....

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......0. = No Synchronize
      TCP: .......0 = No Fin

   TCP: Window = 8760 (0x2238)
   TCP: Checksum = 0x18EA
   TCP: Urgent Pointer = 0 (0x0)
   TCP: Frame Padding

00000:  02 60 8C 9E 18 8B 02 60 8C 3B 85 C1 08 00 45 00   .`.....`.;....E.
00010:  00 28 0E 01 40 00 80 06 E0 4F 83 6B 02 D6 83 6B   .(..@....O.k...k
00020:  02 D3 04 0D 00 8B 00 7D 74 7F 00 10 EE 8E 50 10   .......}t....P.
00030:  22 38 18 EA 00 00 20 20 20 20 20 20               "8....

¿¬°á Á¾·á

¼¼ ¹æÇâ ÇÚµå¼ÎÀÌÅ©´Â ³×Æ®¿öÅ©·Î ¿¬°áµÈ ¹Ìµð¾î¸¦ ÅëÇØ ¼¼ °³ÀÇ ÆÐŶ¸¸ Àü¼ÛÇÏ¸é µÇÁö¸¸ ÀÌ ½Å·Ú¼º ÀÖ´Â ¿¬°áÀ» Á¾·áÇÏ·Á¸é ³× °³ÀÇ ÆÐŶÀ» Àü¼ÛÇØ¾ß ÇÕ´Ï´Ù. TCP ¿¬°áÀº µ¥ÀÌÅÍ°¡ ¼­·Î¿¡ °ü°è ¾øÀÌ °¢ ¹æÇâÀ¸·Î È带 ¼ö ÀÖ´Â ÀüÀÌÁßÀ̱⠶§¹®¿¡ °¢ ¹æÇâÀ¸·Î °³º°ÀûÀ¸·Î Àü¼ÛÇØ¾ß ÇÕ´Ï´Ù.

ÇÁ·¹ÀÓ 4:

ÇÁ·¹ÀÓÀÇ ÀÌ ¼¼¼Ç¿¡¼­´Â ACK¿Í ÇÔ²² FIN(TCP .A...F)À» º¸³»´Â Ŭ¶óÀ̾ðÆ®¸¦ º¼ ¼ö ÀÖ½À´Ï´Ù. ÀÌ ¼¼±×¸ÕÆ®¿¡´Â µÎ °¡Áö ±âº» ±â´ÉÀÌ ÀÖ½À´Ï´Ù. ¸ÕÀú, FIN ¸Å°³ º¯¼ö°¡ ¼³Á¤µÇ¸é º¸³¾ µ¥ÀÌÅÍ°¡ ´õ ÀÌ»ó ¾øÀ½À» ¼­¹ö¿¡°Ô ¾Ë·Á ÁÝ´Ï´Ù. µÑ°, ACK´Â ¼³Á¤µÈ ƯÁ¤ ¿¬°áÀ» ½Äº°ÇÏ´Â µ¥ ÇʼöÀûÀÔ´Ï´Ù. 
4   16.0279 NTW3 --> BDC3 TCP .A...F, len: 0, seq: 8221823-8221823,
ack:3462835714, win: 8760, src: 2337  dst: 139 (NBT Session)  NTW3 --> BDC3
IP

TCP: .A...F, len:   0, seq: 8221823-8221823, ack:  1109646, win: 8760, src:
1037  dst:  139 (NBT Session)

   TCP: Source Port = 0x040D
   TCP: Destination Port = NETBIOS Session Service
   TCP: Sequence Number = 8221823 (0x7D747F)
   TCP: Acknowledgement Number = 1109646 (0x10EE8E)
   TCP: Data Offset = 20 (0x14)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x11 : .A...F

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......0. = No Synchronize
      TCP: .......1 = No more data from sender

   TCP: Window = 8760 (0x2238)
   TCP: Checksum = 0x236C
   TCP: Urgent Pointer = 0 (0x0)

00000:  00 20 AF 47 93 58 00 A0 C9 22 F5 39 08 00 45 00   . .G.X...".9..E.
00010:  00 28 9B F5 40 00 80 06 21 4A C0 5E DE 7B C0 5E   .(..@...!J.^.{.^
00020:  DE 57 09 21 05 48 0B 20 96 AC CE 66 AE 02 50 11   .W.!.H. ...f..P.
00030:  22 38 23 6C 00 00                                 "8#l..
ÇÁ·¹ÀÓ 5:

ÀÌ ÇÁ·¹ÀÓ¿¡¼­´Â Ŭ¶óÀ̾ðÆ®¿¡¼­ Àü¼ÛÇÑ FINÀ» ¼­¹ö°¡ ÀÀ´äÇÏ´Â °ÍÀ» Á¦¿ÜÇÏ°í´Â Ưº°ÇÑ °ÍÀÌ ¾ø½À´Ï´Ù. 
5    16.0281 BDC3 --> NTW3 TCP .A...., len:    0, seq: 1109646-1109646,
ack: 8221824, win:28672, src: 139  dst: 2337 (NBT Session) BDC3 -->  NTW3
IP

TCP: .A...., len:    0, seq: 1109646-1109646, ack: 8221824, win:28672, src:
139  dst: 2337 (NBT Session)

   TCP: Source Port = 0x040D
   TCP: Destination Port = NETBIOS Session Service
   TCP: Sequence Number = 1109646 (0x10EE8E)
   TCP: Acknowledgement Number = 8221824 (0x7D7480)
   TCP: Data Offset = 20 (0x14)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x10 : .A....

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......0. = No Synchronize
      TCP: .......0 = No Fin

   TCP: Window = 28672 (0x7000)
   TCP: Checksum = 0xD5A3
   TCP: Urgent Pointer = 0 (0x0)
   TCP: Frame Padding

00000:  00 A0 C9 22 F5 39 08 00 02 03 BA 84 08 00 45 00   ...".9........E.
00010:  00 28 D2 82 00 00 3F 06 6B BD C0 5E DE 57 C0 5E   .(....?.k..^.W.^
00020:  DE 7B 05 48 09 21 CE 66 AE 02 0B 20 96 AD 50 10   .{.H.!.f... ..P.
00030:  70 00 D5 A3 00 00 90 00 01 00 86 00               p...........
ÇÁ·¹ÀÓ 6:

Ŭ¶óÀ̾ðÆ® ÄÄÇ»ÅÍ¿¡¼­ FINÀ» ¹ÞÀº ÈÄ¿¡ ¼­¹ö°¡ ÀÀ´ä(ACK)ÇÕ´Ï´Ù. µÎ ÄÄÇ»ÅÍ »çÀÌ¿¡ TCP°¡ ¼³Á¤µÇ¾î À־ ¿¬°áÀº ¿©ÀüÈ÷ ¼­·Î¿¡°Ô µ¶¸³ÀûÀÔ´Ï´Ù. µû¶ó¼­ ¼­¹ö´Â Ŭ¶óÀ̾ðÆ®¿¡µµ FIN(TCP .A...F)À» Àü¼ÛÇØ¾ß ÇÕ´Ï´Ù. 
6   17.0085 BDC3 --> NTW3 TCP .A...F, len: 0, seq: 1109646-1109646, ack:
8221824, win:28672, src: 139  dst: 2337 (NBT Session) BDC3 -->  NTW3   IP

TCP: .A...F, len:  0, seq: 1109646-1109646, ack: 8221824, win:28672, src:
139  dst: 2337 (NBT Session)

   TCP: Source Port = 0x0548
   TCP: Destination Port = 0x0921
   TCP: Sequence Number = 1109646 (0x10EE8E)
   TCP: Acknowledgement Number = 8221824 (0x7D7480)
   TCP: Data Offset = 20 (0x14)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x11 : .A...F

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......0. = No Synchronize
      TCP: .......1 = No more data from sender

   TCP: Window = 28672 (0x7000)
   TCP: Checksum = 0xD5A2
   TCP: Urgent Pointer = 0 (0x0)
   TCP: Frame Padding

00000:  00 A0 C9 22 F5 39 08 00 02 03 BA 84 08 00 45 00   ...".9........E.
00010:  00 28 D2 94 00 00 3F 06 6B AB C0 5E DE 57 C0 5E   .(....?.k..^.W.^
00020:  DE 7B 05 48 09 21 CE 66 AE 02 0B 20 96 AD 50 11   .{.H.!.f... ..P.
00030:  70 00 D5 A2 00 00 02 04 05 B4 86 00               p...........
ÇÁ·¹ÀÓ 7:

Ŭ¶óÀ̾ðÆ®´Â ¼­¹öÀÇ FINÀ» ÀÀ´äÇÏ°í ½ÃÄö½º ¹øÈ£¸¦ 1¾¿ Áõ°¡½ÃÄÑ °°Àº Çü½Ä¿¡¼­ ¼­¹ö·Î ÀÀ´äÇÕ´Ï´Ù. 
7   17.0085 NTW3 --> BDC3  TCP .A...., len: 0, seq: 8221824-8221824, ack:
1109647, win: 8760, src: 2337  dst: 139 (NBT Session)  NTW3 -->  BDC3 IP

TCP: .A...., len:    0, seq: 8221824-8221824, ack: 1109647, win: 8760, src:
2337  dst: 139 (NBT Session)

   TCP: Source Port = 0x0921
   TCP: Destination Port = 0x0548
   TCP: Sequence Number = 8221824 (0x7D7480)
   TCP: Acknowledgement Number = 1109647 (0x10EE8F)
   TCP: Data Offset = 20 (0x14)
   TCP: Reserved = 0 (0x0000)
   TCP: Flags = 0x10 : .A....

      TCP: ..0..... = No urgent data
      TCP: ...1.... = Acknowledgement field significant
      TCP: ....0... = No Push function
      TCP: .....0.. = No Reset
      TCP: ......0. = No Synchronize
      TCP: .......0 = No Fin

   TCP: Window = 8760 (0x2238)
   TCP: Checksum = 0x236B
   TCP: Urgent Pointer = 0 (0x0)

00000:  00 20 AF 47 93 58 00 A0 C9 22 F5 39 08 00 45 00   . .G.X...".9..E.
00010:  00 28 BA F5 40 00 80 06 02 4A C0 5E DE 7B C0 5E   .(..@....J.^.{.^
00020:  DE 57 09 21 05 48 0B 20 96 AD CE 66 AE 03 50 10   .W.!.H. ...f..P.
00030:  22 38 23 6B 00 00                                 "8#k..
¼­¹ö¿¡¼­ FIN ¾Ë¸²À» ÀÀ´äÇϴ Ŭ¶óÀ̾ðÆ®´Â TCP ¿¬°áÀÇ µÎ ´Ü°è ´Ý±â ÀÛ¾÷(graceful)À» ½Äº°ÇÕ´Ï´Ù.
À§·Î °¡±â | Çǵå¹é º¸³»±â

ÂüÁ¶

ICMP¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº
Microsoft ±â¼ú ÀÚ·áÀÇ ´ÙÀ½ ¹®¼­¸¦ ÂüÁ¶ÇϽʽÿÀ.
170292
(http://support.microsoft.com/kb/170292/KO/ )
ICMP(Internet Control Message Protocol)¿¡ ´ëÇÑ ±âº» »çÇ×
¶Ç´Â
RFC 793À» ±¸ÇϽʽÿÀ.
RFC´Â ´ÙÀ½°ú °°ÀÌ ÀÎÅͳÝÀ» ÅëÇØ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.

¸ðµç RFCÀÇ ¹®¼­ º¹»çº»Àº °³º°ÀûÀ¸·Î ¶Ç´Â µî·ÏÇÏ¿© NIC·ÎºÎÅÍ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº NIC@NIC.DDN.MIL¿¡ ¹®ÀÇÇϽʽÿÀ. ¿Â¶óÀÎ º¹»çº»Àº FTP ¶Ç´Â NIC.DDN.MILÀÇ KermitÀ» ÅëÇØ rfc/rfc####.txt ¶Ç´Â rfc/rfc####.PS(####Àº ¾Õ¿¡ 0ÀÌ ¾ø´Â RFC ¹øÈ£)·Î ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.



Microsoft Á¦Ç° °ü·Ã ±â¼ú Àü¹®°¡µé°ú ¿Â¶óÀÎÀ¸·Î Á¤º¸¸¦ ±³È¯ÇϽ÷Á¸é Microsoft ´º½º ±×·ì
(http://support.microsoft.com/newsgroups/default.aspx)
¿¡ Âü¿©ÇϽñ⠹ٶø´Ï´Ù.
À§·Î °¡±â | Çǵå¹é º¸³»±â
Âü°í ÀÌ°ÍÀº Microsoft ±â¼ú Áö¿ø ¼­ºñ½º ³»¿¡¼­ Á÷Á¢ ÀÛ¼ºÇÑ ¡°ºü¸¥ °Ô½Ã¡± ¹®¼­ÀÔ´Ï´Ù. ¿©±â¿¡ Æ÷ÇÔµÈ Á¤º¸´Â ¹ß»ýÇÑ ¹®Á¦¿¡ ´ëÇØ ÀÖ´Â ±×´ë·Î Á¦°øµË´Ï´Ù. ÀÌ ¹®¼­´Â Áï½Ã ÂüÁ¶ÇÒ ¼ö ÀÖµµ·Ï ºü¸£°Ô ÀÛ¼ºµÇ¾î¼­ Ç¥±â»óÀÇ ¿À·ù°¡ Æ÷ÇԵǾî ÀÖÀ» ¼ö ÀÖ°í ¾ðÁ¦µçÁö ¿¹°í ¾øÀÌ ¼öÁ¤µÉ ¼ö ÀÖ½À´Ï´Ù. ±âŸ °í·Á »çÇ×Àº»ç¿ë ¾à°ü
(http://go.microsoft.com/fwlink/?LinkId=151500)
À» ÂüÁ¶ÇϽʽÿÀ. Á¤º¸
À§·Î °¡±â | Çǵå¹é º¸³»±â

¼Ó¼º

±â¼ú ÀÚ·á: 172983 - ¸¶Áö¸· °ËÅä: 2011³â 5¿ù 17ÀÏ È­¿äÀÏ - ¼öÁ¤: 3.0
º» ¹®¼­ÀÇ Á¤º¸´Â ´ÙÀ½ÀÇ Á¦Ç°¿¡ Àû¿ëµË´Ï´Ù.
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 for Itanium-Based Systems
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Tablet PC Edition
  • Microsoft Windows XP Media Center Edition 2005 Update Rollup 2
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Server
  • Windows Vista Business
  • Windows Vista Business 64-bit edition
  • Windows Vista Enterprise
  • Windows Vista Enterprise 64-bit edition
  • Windows Vista Home Basic
  • Windows Vista Home Basic 64-bit edition
  • Windows Vista Home Premium
  • Windows Vista Home Premium 64-bit edition
  • Windows Vista Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
Å°¿öµå:?
kbinfo kbnetwork KB172983
À§·Î °¡±â | Çǵå¹é º¸³»±â

Çǵå¹é º¸³»±â

 
À§·Î °¡±âÀ§·Î °¡±â