Sequential (28) binding

https://chihaukam.blogspot.com/2024/08/every-time-kelvin-hack-me-he-must-show.html?m=1

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Ref: https://wodewangzhishime.blogspot.com/2022/03/httpswodewangzhishime_21.html?m=1

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John: Inside the cache of the "Public Telephone Switch Network", we have records like these, 

[telephone number 133-133-133][physcial address 1]

[telephone number 123-123-123][physcial address 2]

[telephone number 111-111-111][physcial address 3]

[telephone number 222-222-222][physcial address 4]

And, many plenty more cache's record.

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Method 1. Hacker can directly add a line of record in the Cache of PSTN, for example, [telephone number 444-444-444][physical address 8] 

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Method 2. Hackers can add a record in the harddisk of a company of telecom, for example, [telephone number 444-444-444][physical address 8]. And then, the cache of the PSTN will be automatically updated.

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John: The above 2 methods will finally bind (a telephone number, a physical address).

Me: Which method is better ?

John: Method 1 is better.