1 00:00:00,840 --> 00:00:06,840 As a professional ethical haircutter or Ben Bestir, the first step is to check reasonability for your 2 00:00:06,840 --> 00:00:08,220 target, right? 3 00:00:09,120 --> 00:00:14,370 So Vivien's check the connectivity between you and your target. 4 00:00:15,100 --> 00:00:17,100 OK, let's see how to do that. 5 00:00:17,400 --> 00:00:23,340 First of all, let's open your windows virtual machine and open your command prompt and let's check 6 00:00:23,340 --> 00:00:23,970 the IP. 7 00:00:26,310 --> 00:00:29,790 So not zero to seven is the IP address of my window. 8 00:00:29,800 --> 00:00:30,960 10 virtual machine. 9 00:00:31,380 --> 00:00:33,510 OK, now let's switch to Carly. 10 00:00:35,770 --> 00:00:37,090 Let's check its I.P.. 11 00:00:41,100 --> 00:00:46,780 If convicted and it is standard zero to vote for. 12 00:00:47,230 --> 00:00:50,280 OK, so let's check the connectivity between the two. 13 00:00:50,910 --> 00:00:53,040 So then dot zero. 14 00:00:53,040 --> 00:00:54,270 Dot, dot, dot seven. 15 00:01:01,310 --> 00:01:07,570 OK, it's not showing a reply because the firewall is turned on, right? 16 00:01:08,240 --> 00:01:11,270 So let's watch the window and turn off the firewall first. 17 00:01:13,250 --> 00:01:14,980 So go to control panel. 18 00:01:26,180 --> 00:01:27,800 Select Windows Firewall. 19 00:01:36,550 --> 00:01:37,700 Click OK. 20 00:01:43,150 --> 00:01:44,830 And now let's go back to Carly. 21 00:01:48,150 --> 00:01:52,850 Let's try one more time, see, now it's singing, OK? 22 00:01:57,590 --> 00:02:06,260 Now, let's do the same thing for the Galeazzo, so Bing then dot zero, dot, dot, dot for C it's 23 00:02:06,260 --> 00:02:07,120 connected ok. 24 00:02:07,940 --> 00:02:10,430 It's saying reply coming from this IP address. 25 00:02:10,880 --> 00:02:14,960 This is the size of the packet and detainments time bulu. 26 00:02:17,420 --> 00:02:27,980 Now, what if your target is a Web site, in that case, we will use Bing and the website name, for 27 00:02:27,980 --> 00:02:29,570 example, Facebook dot com. 28 00:02:34,910 --> 00:02:42,260 OK, so this is the IP address for this server on which Facebook dot com is hosted. 29 00:02:42,940 --> 00:02:49,270 OK, now there may be possibilities that a single server can hold multiple websites. 30 00:02:49,580 --> 00:02:54,420 OK, so we can't assume that Facebook is the only Web site that is running on this server. 31 00:02:55,520 --> 00:03:01,460 So for all the Web websites that are running on the same server, this is the only IP. 32 00:03:01,620 --> 00:03:06,560 OK, so if you ping any other Web site posted on the same server, you will receive the same IP. 33 00:03:07,880 --> 00:03:10,670 OK, so this is the IP for the server. 34 00:03:13,160 --> 00:03:23,150 Now the next step is to find out the maximum frame size, OK, or the maximum package size that we can 35 00:03:23,150 --> 00:03:24,650 send to our target. 36 00:03:25,760 --> 00:03:30,040 OK, because you can read here the by default because size is tardigrades. 37 00:03:30,680 --> 00:03:33,880 OK, so let's find out the maximum packet size. 38 00:03:35,270 --> 00:03:37,100 And to do that you spin 39 00:03:39,680 --> 00:03:44,810 target name, OK, frame and define the length. 40 00:03:45,440 --> 00:03:49,310 For example, I will drive a hundred bytes first. 41 00:03:49,720 --> 00:03:53,850 OK, yes, we are receiving a reply. 42 00:03:54,650 --> 00:03:58,590 Now let's increase the package size to 500. 43 00:04:00,840 --> 00:04:05,920 OK, now let's introduce you to fifteen hundred. 44 00:04:07,580 --> 00:04:12,170 See now Edwards's package needs to be fragmented. 45 00:04:12,740 --> 00:04:17,360 OK, so let's reduce the size, let's say. 46 00:04:20,030 --> 00:04:24,220 OK, we will receive a reply now. 47 00:04:24,230 --> 00:04:25,350 Fourteen hundred. 48 00:04:27,260 --> 00:04:30,640 Yes it's working now. 49 00:04:30,650 --> 00:04:33,440 Let's try 40 and 50. 50 00:04:34,850 --> 00:04:40,740 OK, now let's increase it to 70. 51 00:04:42,260 --> 00:04:45,500 Still, we are getting a reply now. 52 00:04:45,500 --> 00:04:48,040 Let's try it. 53 00:04:49,010 --> 00:04:49,480 OK. 54 00:04:52,260 --> 00:05:03,140 So to see 14, 72 bytes is the maximum size of a frame we can send to our target. 55 00:05:04,280 --> 00:05:07,850 OK, so now we have this maximum size. 56 00:05:11,180 --> 00:05:22,130 Now, as we can see then, we've been to Facebook dot com, we're getting a reply right, but we don't 57 00:05:22,130 --> 00:05:23,410 know the actual fact. 58 00:05:23,750 --> 00:05:26,920 OK, we don't know the actual part of our package. 59 00:05:27,800 --> 00:05:28,120 Right. 60 00:05:28,400 --> 00:05:35,720 There may be multiple hops or there will be multiple points or multiple routers in between you and your 61 00:05:35,720 --> 00:05:36,200 target. 62 00:05:37,250 --> 00:05:41,360 So to get a list of all of them, we use a command called Prasert. 63 00:05:43,890 --> 00:05:44,330 OK. 64 00:05:45,660 --> 00:05:47,940 And the process is called trace route. 65 00:05:49,110 --> 00:05:56,640 OK, so Dreiser is a command line utility or should I say it is a network tool which help us to determine 66 00:05:56,790 --> 00:06:03,610 the part of our Becket's transmitting from you and your target. 67 00:06:04,030 --> 00:06:07,350 OK, so to know the details about the U.S. 68 00:06:07,380 --> 00:06:08,110 Research Command. 69 00:06:08,310 --> 00:06:11,490 So Traceroute and the name of your target. 70 00:06:16,610 --> 00:06:26,270 OK, now it's his dressing room, OK, and it will show, what, a maximum of 30 hops. 71 00:06:26,300 --> 00:06:30,550 OK, see this band? 72 00:06:30,550 --> 00:06:31,130 Door two. 73 00:06:31,760 --> 00:06:38,750 Door one is the IP address of of NetNet book. 74 00:06:39,670 --> 00:06:44,090 OK, and then you getting one nine one six eight, not one, but one. 75 00:06:44,090 --> 00:06:48,710 Oteri This is the IP address of my model. 76 00:06:50,040 --> 00:07:00,680 OK then we've been getting this sondergaard seven to two to go for one is another order and it's showing 77 00:07:00,680 --> 00:07:01,360 time here. 78 00:07:01,370 --> 00:07:01,560 OK. 79 00:07:01,580 --> 00:07:02,660 Total time taken. 80 00:07:07,620 --> 00:07:15,840 So let me pose this video for a while, because it is going to take a little bit time, the process 81 00:07:15,840 --> 00:07:20,670 has been completed and you can see there are total 17 hops. 82 00:07:20,760 --> 00:07:29,670 OK, so a package is traveling from these points, which comes between my PC and my target. 83 00:07:29,670 --> 00:07:30,640 Facebook dot com. 84 00:07:30,990 --> 00:07:31,410 OK.