April 2016
Intermediate to advanced
504 pages
16h 9m
English
Content preview from The Security Risk Assessment Handbook, 2nd Edition
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Technical Data Gathering ◾ 275
© 2011 by Taylor & Francis Group, LLC
Table7.13 Well-Known Port Numbers
Port Number Service
7 ECHO
20 File Transfer Protocol—Data
21 File Transfer Protocol—Control
22 SSH Remote Login Protocol
23 Telnet
25 Simple Mail Transfer Protocol
42 Host Name Server
43 Who Is
53 Domain Name Server
69 Trivial File Transfer Protocol
110 Post Office Protocol v3
118 SQL Services
137 NetBIOS Name Service
138 NetBIOS Datagram Service
139 NetBIOS Session Service
143 Interim Mail Access Protocol
156 SQL server
161 SNMP
179 Border Gateway Protocol
194 Internet Relay Chat
389 Lightweight Directory Access Protocol
443 HTTPS
458 Apple Quick Time
546 DHCP client ...