Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated: 1 00:00:01,220 --> 00:00:11,920 Since scanning and map s as target IP command is the most commonly used form of scanning and then map 2 00:00:13,430 --> 00:00:22,630 course if we do not give a parameter while scanning and map will always scan DCP so the scan uses the 3 00:00:22,630 --> 00:00:30,060 ever mentioned three way handshake system since scan is faster and less detectable than a DCP scan. 4 00:00:30,070 --> 00:00:35,200 Because in this scan the connection is terminated before it's fully established. 5 00:00:36,700 --> 00:00:42,640 However you should also remember that they may be detected by next generation firewalls and security 6 00:00:42,640 --> 00:00:52,450 software I'll show you how this scan works So step 1 and map will send a send packet to the scan port 7 00:00:52,590 --> 00:00:54,680 of the target computer. 8 00:00:54,850 --> 00:01:03,460 Step to the computer receiving this response will send a sin ACH Step 3 after receiving this answer 9 00:01:03,760 --> 00:01:09,550 and map does not send the Act packet from the computer that we're scanning to complete the connection. 10 00:01:09,550 --> 00:01:12,670 Instead it sends a reset packet 11 00:01:15,560 --> 00:01:21,950 so that way the possibility of logging is reduced and our speed increases as there is not a full connection. 12 00:01:23,460 --> 00:01:28,550 Now this type of scan is especially useful for systems that use firewalls. 13 00:01:28,550 --> 00:01:31,940 That way the status of the corresponding port of the target is determined 14 00:01:34,700 --> 00:01:40,080 since scanning comments are made according to the answers received. 15 00:01:40,160 --> 00:01:45,720 So when a since scan is performed the following answers can be received from the target system. 16 00:01:45,720 --> 00:01:52,840 The port open status zone map sends us in packet to the destination and the destination system sends 17 00:01:52,840 --> 00:02:00,590 this an egg packet and map terminates that connection by sending a recent packet instead of sending 18 00:02:00,590 --> 00:02:10,660 an act packet that indicates that the port is open and accessible and that the port accepts DCP or UDP 19 00:02:10,660 --> 00:02:21,730 connection port closed status and map sends the sin packet to the destination and the destination system 20 00:02:21,730 --> 00:02:30,360 sends a reset message instead of the Sinek back at and then terminates the connection and in this case 21 00:02:31,140 --> 00:02:34,320 the board is accessible but cannot be processed 22 00:02:37,100 --> 00:02:46,060 now about the port filtered stats so two kinds of answers can be received here on the map side first 23 00:02:46,570 --> 00:02:53,170 the UN map sends a sin packet to the target system and no response is received from the target system 24 00:02:54,130 --> 00:03:03,080 when that happens it is not commented whether the port on the target system is open or closed then secondly 25 00:03:03,680 --> 00:03:11,570 and map sends a send packet to the target system and the destination system sends the ICMP unreachable 26 00:03:11,690 --> 00:03:20,430 error packet so then in this case the port is accessible but it's not known whether it's open or closed. 3428