tailieunhanh - syngress sniffer pro network optimization troubleshooting handbook phần 6

Trong quá trình học hỏi làm thế nào để sử dụng giao diện này, tập trung không phải là chỉ để làm chủ điều hướng của sản phẩm, nhưng để đạt được hai mục tiêu khác. với một lĩnh vực loại 0800 (xem Hình 7,40). Kích thước của gói tin là 14 byte, và không có va chạm truyền đã xuất hiện chỉ đơn giản là vấn đề stopped. | 310 Chapter 6 Capturing Network Data for Analysis The Packet size option allows you to choose if the whole packet should be captured the default option or only some part of it between 32 bytes and 18 432 bytes . The When buffer is full option allows you to modify Sniffer Pro s behavior in the event that the capture buffer becomes program can either Stop capture or Wrap buffer and keep capturing data. To enable automatic saving choose the Save to File option and specify the filename prefix as well as the number of files you want to be created on your hard drive. Indicate the directory to which you want the files to be saved. Other options you should specify to complete your setup are as follows Filename prefix Defines a common prefix of saved capture files. Unique names This option specifies whether the analyzer must use a unique filename for each saved file. Sniffer Pro will make sure that the filenames are unique by assigning three random letters prior to the extension as shown see in the following example. This option can be useful if you want to be sure that you don t overwrite the files you have previously captured. Check to make sure that you have enough space on your hard drive to accommodate all the files. Number of files This option sets the maximum number of files Sniffer Pro will create on the hard drive. Wrap filenames This option specifies whether the files for this capture can be overwritten as soon as the number of saved files has been reached. Disabling of this option tells Sniffer Pro that it should stop capturing as soon as it fills its buffer and saves the number of files you have specified. To better understand what these options actually do perform the following exercise. Modify the new profile you have just created using these options 1. Type LightPave as the filename prefix. 2. Select 3 as the number of files. 3. Enable the Unique Names option. Do not enable the Wrap filenames option so Sniffer Pro will stop after the files become .