TCP 53 DNS 服务器间的区域传输(Zone Transfer)使用 **TCP 53** 端口,原因如下: 1. **可靠性需求**:区域传输需要传输完整的 DNS 数据库文件(如区域文件),数据量大且需要可靠的连接。TCP 提供可靠传输机制(如重传、校验),而 UDP 无此保障。 2. **协议规范**:DNS 标准(RFC 5936)明确要求区域传输必须...
Port scan is a technique hackers use to discover weak points in a network. Discover port scanning techniques, the difference between port scanning vs. network scanning, & how to prevent port checker attacks.
Port 53: Domain Name System (DNS). DNS is an essential process for the modern Internet; it matches human-readable domain names to machine-readable IP addresses, enabling users to load websites and applications without memorizing a long list of IP addresses. Port 80: Hypertext Transfer Protocol...
All hybrids will use 443 (HTTPS) and 53 (DNS), by default, for hybrid traffic. Some will use additional ports like port 25 (SMTP). But the most complex case in hybrid workloads for ports is Skype for Business. Fortunately, the ports aredocumented. The standout protocol ...
Find out what your public IPv4 and IPv6 address is revealing about you! My IP address information shows your IP location; city, region, country, ISP and location on a map. Many proxy servers, VPNs, and Tor exit nodes give themselves away.
53 TCP DNS Internet Connection Firewall /Internet Connection Sharing80 TCP HTTP Windows Media Service80 TCP HTTP Web Distribution Service80 TCP HTTP SharePoint Portal Server88 TCP Kerberos Kerberos Key Distribution Center102 TCP X.400 Microsoft Exchange MTA Stack110 TCP POP3 Microsoft POP3 Service110...
iCloud DNS Bypass iCloud DNS bypass is a method to temporarily access an iCloud-locked device’s functions and features.DNS is the abbreviation forDomain Name Serverand its purpose is to translate your domains into IP addresses. When you type in a domain name in your browser, your DNS serv...
Port 53.Domain Name System (DNS) is a critical process that matches human-readable domain names to machine-readable IP addresses on the internet. It helps users load websites and applications without having to type in a long list of IP addresses. ...
Accept: application/dns-json From there it is just a matter of passing in the name that you want to look up, and the DNS record type using query string parameters. The response we'll get from the server looks something like this: ...
port scanning is considered illegal if performed without permission, as it can be seen as an attempt to gain unauthorized access. However, when done by security professionals with consent (e.g., penetration testing or vulnerability assessments), it is a legitimate and valuable tool for enhancing ...