Ip Port
Is it possible to explore port cities independently during a cruise ?
Exploring port cities independently during a cruise is possible but requires careful consideration of factors such as time in port, distance to city center, safety concerns, local customs and language barriers, transportation options, and cost considerations. To successfully plan an independent excursion, research your destination, plan your itinerary, arrange transportation, consider safety precautions, pack appropriately, and stay in touch with the cruise ship's schedule. By following these steps, you can ensure a safe and enjoyable adventure in each port of call while respecting local cultures and prioritizing safety.
Can you explain the working of HTTP and HTTPS protocols ?
HTTP and HTTPS are two important protocols for data transmission on the internet. The main difference between them is that HTTPS encrypts the transmitted data to protect it from interception and tampering, while HTTP does not. HTTP operates by default on TCP port 80 and transmits data in plaintext, while HTTPS uses SSL/TLS for data encryption and operates by default on TCP port 443. The working steps of HTTP include address parsing, DNS resolution, HTTP request packaging, establishing a TCP connection, sending a request command, server response, and closing the connection. On the other hand, the working steps of HTTPS involve an initial handshake, verifying a digital certificate, session key exchange, encrypted data transmission, and connection closure. With increasing concerns about cybersecurity, HTTPS has gradually become the preferred choice for websites requiring secure data transmission.