\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{Aelphi (Aelphi)} \pdfinfo{ /Title (network-03-tcp-ip-model.pdf) /Creator (Cheatography) /Author (Aelphi (Aelphi)) /Subject (Network+ | 03.TCP/IP Model Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{476A91} \definecolor{LightBackground}{HTML}{F3F5F8} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Network+ | 03.TCP/IP Model Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Aelphi (Aelphi)} via \textcolor{DarkBackground}{\uline{cheatography.com/179727/cs/37451/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}Aelphi (Aelphi) \\ \uline{cheatography.com/aelphi} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 3rd March, 2023.\\ Updated 28th March, 2023.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{x{2.16 cm} x{5.84 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{4-Layer Model}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Application}} & OSI L7, L6, L5 - user interface, defines protocols used, interface wth transport layer, IP adresses \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} ex : & HTTP, SNMP, Telnet, DNS, FTP, SMTP, SSH, SSL/TLS \tn % Row Count 6 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{Transport}} & TCP, UDP, RTP (Real-Time Protocol) \tn % Row Count 8 (+ 2) % Row 3 \SetRowColor{white} {\bf{Internet}} & data is packaged into IP datagrams (IP, ICMP, ARP, Reverse ARP \tn % Row Count 11 (+ 3) % Row 4 \SetRowColor{LightBackground} {\bf{Network}} & how to transmit bits, how NW medium is used (wireless, cable, etc) \tn % Row Count 14 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.76 cm} x{4.24 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{IP Protocol Types}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{TCP}} & Layer 4 of OSI Model \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} {\emph{Transmission Control Protocol}} & 3-way Handshake Client\textless{}\textgreater{}Server \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} & connection oriented method, reliable \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} {\bf{UDP}} & lightweight data transport protocol \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} {\emph{User Datagram Protocol}} & error \& integrity datagram check ({\emph{checksum}}) \tn % Row Count 10 (+ 3) % Row 5 \SetRowColor{white} & used in streaming audio/video, not reliable \tn % Row Count 13 (+ 3) % Row 6 \SetRowColor{LightBackground} {\bf{ICMP}} & check network connectivity issues \tn % Row Count 15 (+ 2) % Row 7 \SetRowColor{white} {\emph{Internet Control Message Protocol}} & ping scan \& NW mapping \tn % Row Count 17 (+ 2) % Row 8 \SetRowColor{LightBackground} {\bf{GRE}} & packets tunneling protocol \tn % Row Count 19 (+ 2) % Row 9 \SetRowColor{white} {\emph{Generic Routing Encapsulation}} & can encapusulate variety of protocols over IP \tn % Row Count 22 (+ 3) % Row 10 \SetRowColor{LightBackground} & used for VPN \tn % Row Count 23 (+ 1) % Row 11 \SetRowColor{white} {\bf{IPsec}} & set of secure communication protocols \tn % Row Count 25 (+ 2) % Row 12 \SetRowColor{LightBackground} . {\bf{AH}} & {\emph{Autentification Header}} \tn % Row Count 27 (+ 2) % Row 13 \SetRowColor{white} & -\textgreater{} for authentication \& integrity \tn % Row Count 29 (+ 2) % Row 14 \SetRowColor{LightBackground} . {\bf{ESP}} & {\emph{Encapsulating security payload}} \tn % Row Count 31 (+ 2) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.76 cm} x{4.24 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{IP Protocol Types (cont)}} \tn % Row 15 \SetRowColor{LightBackground} & -\textgreater{} for encryption \& integrity \tn % Row Count 2 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.48 cm} x{5.52 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Data Transfer Over Networks}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Ports}} & 0-65'535 \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} . {\bf{{\emph{well-known}}}} & 0-1024, reserved and unchanged \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} . {\bf{{\emph{ephemeral}}}} & 1024-65'535, short-lived, random selection \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} {\bf{{\emph{IPv4 Packets}}}} & Source, Dest, IP Flags, Protocol \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{{\emph{Overheads}}}} & TCP is heavy (20bytes), UDP lighter (8bytes) \tn % Row Count 9 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.128 cm} x{3.724 cm} x{1.748 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Protocols and Ports}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{FTP}} & File Transfer Protocol & {\bf{20, 21}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{SSH}} & Secure Shell & {\bf{22}} \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} {\bf{SFTP}} & Secure FTP & {\bf{22}} \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} {\bf{Telnet}} & & {\bf{23}} \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} {\bf{SMTP}} & Simple Transfer Mail Protocol & {\bf{25}} \tn % Row Count 7 (+ 2) % Row 5 \SetRowColor{white} {\bf{DNS}} & Domain Name System & {\bf{53}} \tn % Row Count 8 (+ 1) % Row 6 \SetRowColor{LightBackground} {\bf{DHCP}} & Dynamic Host Control Protocol & {\bf{67, 68}} \tn % Row Count 10 (+ 2) % Row 7 \SetRowColor{white} {\bf{TFTP}} & Trivial FTP & {\bf{69}} \tn % Row Count 11 (+ 1) % Row 8 \SetRowColor{LightBackground} {\bf{HTTP}} & HyperText Transfer Protocol & {\bf{80}} \tn % Row Count 13 (+ 2) % Row 9 \SetRowColor{white} {\bf{POP3}} & Post Office Pr. v3 & {\bf{110}} \tn % Row Count 14 (+ 1) % Row 10 \SetRowColor{LightBackground} {\bf{NTP}} & Network Time Protocol & {\bf{123}} \tn % Row Count 16 (+ 2) % Row 11 \SetRowColor{white} {\bf{NetBios}} & & {\bf{139}} \tn % Row Count 17 (+ 1) % Row 12 \SetRowColor{LightBackground} {\bf{IMAP}} & Internet Mail Access Protocol & {\bf{143}} \tn % Row Count 19 (+ 2) % Row 13 \SetRowColor{white} {\bf{SNMP}} & Simple Network Management & {\bf{161}} \tn % Row Count 21 (+ 2) % Row 14 \SetRowColor{LightBackground} {\bf{LDAP}} & Lightweight Directory Access & {\bf{389}} \tn % Row Count 23 (+ 2) % Row 15 \SetRowColor{white} {\bf{HTTPS}} & HTTP Secure & {\bf{443}} \tn % Row Count 24 (+ 1) % Row 16 \SetRowColor{LightBackground} {\bf{SMB}} & Server Message Block & {\bf{445}} \tn % Row Count 26 (+ 2) % Row 17 \SetRowColor{white} {\bf{SLPS}} & System Logging Protocol Syslog & {\bf{514}} \tn % Row Count 28 (+ 2) % Row 18 \SetRowColor{LightBackground} {\bf{SMTP TLS}} & SMTP Transport Layer Security & {\bf{587}} \tn % Row Count 30 (+ 2) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{2.128 cm} x{3.724 cm} x{1.748 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Protocols and Ports (cont)}} \tn % Row 19 \SetRowColor{LightBackground} {\bf{LDAPS}} & LDAP Secure & {\bf{636}} \tn % Row Count 1 (+ 1) % Row 20 \SetRowColor{white} {\bf{IMAP over SSL}} & & {\bf{993}} \tn % Row Count 3 (+ 2) % Row 21 \SetRowColor{LightBackground} {\bf{POP3 over SSL}} & & {\bf{995}} \tn % Row Count 5 (+ 2) % Row 22 \SetRowColor{white} {\bf{SQL Server}} & client \textgreater{} database engine & {\bf{1433}} \tn % Row Count 7 (+ 2) % Row 23 \SetRowColor{LightBackground} {\bf{SQLnet}} & client \textgreater{} oracle database & {\bf{1521}} \tn % Row Count 9 (+ 2) % Row 24 \SetRowColor{white} {\bf{MySQL}} & client \textgreater{} MySQL database engine & {\bf{3306}} \tn % Row Count 11 (+ 2) % Row 25 \SetRowColor{LightBackground} {\bf{RDP}} & Remote Desktop Protocol & {\bf{3389}} \tn % Row Count 13 (+ 2) % Row 26 \SetRowColor{white} {\bf{SIP}} & Session Initiation Protocol & {\bf{5060, 5061}} \tn % Row Count 15 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}---} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}