IPv4
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-diff --git a/evolution_of_the_internet/EOTI.html b/evolution_of_the_internet/EOTI.html
index f1c3fa4..79a8af9 100644
--- a/evolution_of_the_internet/EOTI.html
+++ b/evolution_of_the_internet/EOTI.html
@@ -50,6 +50,14 @@
Originally created for DARPA, IPv4 was used for The ARPAnet whichlater became the internet as we know it today.
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+Port: 21
FTP is the protocol that handles transfering files from one device to another. It operates by considering one device as a server and the other as a client, thereby allowing the client to send and request files from the server
FTP/S
Port: 900
This protocol allows FTP over a secure encryption using SSL.
SFTP
This protocol allows FTP over a secure encryption using SSH.
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+Port: 80
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+Port: 443
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+Ports: 25,465,587
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+Port: 110
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+Basic Port: 5060, 5004 UDP
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+Port: 22
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+Port: 23
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+Ports: 143,993
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+Port: 161
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+Port: 219
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+Port: 5060, 5061