Ports That Are Commonly Targeted By Hackers

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Common ports, such as TCP port 80 (HTTP), may be locked down — but other ports may get overlooked and be vulnerable to hackers. In your security tests, be sure to check these commonly hacked TCP and UDP ports:

TCP port 21 – FTP (File Transfer Protocol)

TCP port 22 – SSH (Secure Shell)

TCP port 23 – telnet

TCP port 25 – SMTP (Simple Mail Transfer Protocol)

TCP and UDP port 53 – DNS (Domain Name System)

TCP port 443 – HTTP (Hypertext Transport Protocol) and HTTPS (HTTP over SSL)

TCP port 110 – POP3 (Post Office Protocol version 3)

TCP and UDP port 135 – Windows RPC

TCP and UDP ports 137–139 – Windows NetBIOS over TCP/IP

TCP port 1433 and UDP port 1434 – Microsoft SQL Serve

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Please note that the article you are reading has an unallocated author as the original author is no longer employed at latesthackingnews.com, this has been put in place to adhere with general data protection regulations (GDPR). If you have any further queries, please contact: [email protected]