Research Article
Key Update and Device Location of Internet of Things Based on Smart Contract
Table 2
Source information of response packets.
| | The name of the protocol | The port number | Data volume size (G) | The time stamp |
| | HTTP | 80 | 512 | 2020-08-15 | | FTP | 21 | 32 | 2020-08-15 | | Telnet | 23 | 3 | 2020-08-15 | | ssh | 22 | 50 | 2020-08-15 |
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