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TCP/UDP Ports

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Question
Answer
FTP   TCP 20-FTP data 21-FTP control  
🗑
SSH   TCP22, UDP 22  
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Telnet   TCP 23  
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SMTP   TCP 25  
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DNS   TCP53, UDP 53  
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BOOTP & DHCP   UPD 67, 68  
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Trivial FTP (TFPT)   UDP 69  
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HTTP   TCP 80  
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POP3   TCP 110  
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NNTP   TCP 119  
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NTP   UDP 123  
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IMAP   TCP 143, UDP 143  
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SNMP   TCP 161, UDP 161  
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Secure HTTP   TCP 443  
🗑
Remote Desktop   3389  
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TCP   Transmission Control Protocol  
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UDP   User Datagram Protocol  
🗑
TCP Ports   22, 23, 25, 53, 80, 110, 119, 143, 161, 443  
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UDP Ports   22, 53, 67, 68, 69, 123, 143, 161  
🗑
22   SSH  
🗑
23   Telnet  
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25   SMTP  
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53   DNS  
🗑
67   BOOTP & DHCP  
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68   BOOTP & DHCP  
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69   Trivial FTP (TFPT)  
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80   HTTP  
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110   POP3  
🗑
119   NNTP  
🗑
123   NTP  
🗑
143   IMAP  
🗑
161   SNMP  
🗑
443   Secure HTTP  
🗑
3389   Remote Desktop  
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22 xxP   TCP  
🗑
23 xxP   TCP  
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25 xxP   TCP  
🗑
53 xxP   TCP  
🗑
67 xxP   UDP  
🗑
68 xxP   UDP  
🗑
69 xxP   UDP  
🗑
80 xxP   TCP  
🗑
110 xxP   TCP  
🗑
119 xxP   TCP  
🗑
123 xxP   UDP  
🗑
143 xxP   TCP & UDP  
🗑
161 xxP   TCP & UDP  
🗑
443 xxP   TCP  
🗑
3389 xxP   TCP  
🗑


   

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