Collection accounts often change hands every six months or so. Debts are assigned and sold to other collectors, so thereâs a strong possibility the collection agency listed on your credit report isnât the agency that's currently collecting on the debt.
Alice decides to message Bob. Alice's phone establishes a connection to the WhatsApp server and it is established that this connection is definitely from Alice's phone. Alice now sends via TCP the following message: For Bob: A giant monster is attacking the Golden Gate Bridge.
The 50 and 51 you're referring to aren't TCP or UDP ports, they're the IP protocol numbers for ESP and AH, respectively. ESP and AH are layer 4 protocols, on the same level as TCP (IP proto 6) and UDP (IP proto 17).he 50 and 51 you're referring to aren't TCP or UDP ports, they're the IP protocol numbers for ESP and AH, respectively. ESP and AH are layer 4 protocols, on the same level as TCP (IP proto 6) and UDP (IP proto 17).