diff --git a/RFCs/RFC-4346-TLS1_1.pdf b/RFCs/RFC-4346-TLS1_1.pdf
new file mode 100644
index 0000000..f43f57d
Binary files /dev/null and b/RFCs/RFC-4346-TLS1_1.pdf differ
diff --git a/RFCs/RFC-5246-TLS1_2.pdf b/RFCs/RFC-5246-TLS1_2.pdf
new file mode 100644
index 0000000..fc3df5f
Binary files /dev/null and b/RFCs/RFC-5246-TLS1_2.pdf differ
diff --git a/RFCs/RFC-768-UDP.pdf b/RFCs/RFC-768-UDP.pdf
new file mode 100644
index 0000000..e9bf16d
Binary files /dev/null and b/RFCs/RFC-768-UDP.pdf differ
diff --git a/RFCs/RFC-793-TCP.pdf b/RFCs/RFC-793-TCP.pdf
new file mode 100644
index 0000000..cc2cfb0
Binary files /dev/null and b/RFCs/RFC-793-TCP.pdf differ
diff --git a/RFCs/RFC-8446-TLS1_3.pdf b/RFCs/RFC-8446-TLS1_3.pdf
new file mode 100644
index 0000000..6cad4eb
Binary files /dev/null and b/RFCs/RFC-8446-TLS1_3.pdf differ