June 2018
Intermediate to advanced
294 pages
7h 5m
English
Content preview from Practical Web Penetration Testing
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Port numbers and services
Well-known ports: 0-1023
Registered ports: 1024-49,151
Dynamic ports: 49,152-65,535
Most common ports and services:
| Protocol name | TCP/UDP | Port number |
| File Transfer Protocol (FTP) | TCP | 20, 21 |
| Secure Shell (SSH) | TCP | 22 |
| Telnet | TCP | 23 |
| Simple Mail Transfer Protocol (SMTP) | TCP | 25 |
| Domain Name System (DNS) | TCP/UDP | 53 |
| Dynamic Host Configuration Protocol (DHCP) | UDP | 67, 68 |
| Trivial File Transfer Protocol (TFTP) | UDP | 69 |
| Hypertext Transfer Protocol (HTTP) | TCP | 80 |
| Post Office Protocol version 3 (POP3) | TCP | 110 |
| NetBIOS | TCP/UDP | 137, 138, 139 |
| Internet Message Access Protocol (IMAP) | TCP | 143 |
| Simple Network Management Protocol (SNMP) | UDP | 161, 162 |
| Lightweight Directory Access Protocol (LDAP) | TCP | 389 |
| Hypertext ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.