header fields
[HED-er feeldz]
nounpl: header fields
campos de cabeçalho
1. In computing and telecommunications, the metadata fields at the beginning of a message, packet, or document that contain control information and routing details
The email header fields include 'From', 'To', 'Subject', and 'Date'.
Os campos de cabeçalho do email incluem 'De', 'Para', 'Assunto' e 'Data'.
2. In HTTP protocol, the lines that precede the message body and provide information about the request or response
The HTTP header fields contain Content-Type, Authorization, and User-Agent information.
Os campos de cabeçalho HTTP contêm informações de Content-Type, Authorization e User-Agent.
3. In network packets, the initial portion containing source and destination addresses and other control data
TCP header fields specify the source port, destination port, and sequence number.
Os campos de cabeçalho TCP especificam a porta de origem, porta de destino e número de sequência.
This term is primarily used in technical and IT contexts in both Brazil and the USA. In Brazilian Portuguese technical documentation, the English term 'headers' is frequently used alongside or instead of the full Portuguese translation. Understanding header fields is essential for professionals working in networking, web development, and system administration in both countries.
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