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% Document Info
\author{Mikaël LE BERRE (mikael.leberre)}
\pdfinfo{
  /Title (firewall-cmd.pdf)
  /Creator (Cheatography)
  /Author (Mikaël LE BERRE (mikael.leberre))
  /Subject (firewall-cmd Cheat Sheet)
}

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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{firewall-cmd Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Mikaël LE BERRE (mikael.leberre)} via \textcolor{DarkBackground}{\uline{cheatography.com/113443/cs/21731/}}}
\end{tabulary}
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\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}Mikaël LE BERRE (mikael.leberre) \\
  \uline{cheatography.com/mikael-leberre} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 4th February, 2020.\\
   Updated 25th February, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  \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
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\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Initial information}}  \tn
% Row 0
\SetRowColor{LightBackground}
Get the status of firewalld & firewall-cmd -{}-state \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Reload the firewall & firewall-cmd -{}-reload \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
List of all supported zones & firewall-cmd -{}-get-zones \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
List of all supported services & firewall-cmd -{}-get-services \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
List of all supported icmptypes & firewall-cmd -{}-get-icmptypes \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
List all zones with the enabled features & firewall-cmd -{}-list-all-zones \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Print zone with the enabled features & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-list-all \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
Get the default zone & firewall-cmd -{}-get-default-zone \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Set the default zone & firewall-cmd -{}-set-default-zone=\textless{}zone\textgreater{} \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
Get active zones & firewall-cmd -{}-get-active-zones \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Get zone related to an interface & firewall-cmd -{}-get-zone-of-interface=\textless{}interface\textgreater{} \tn 
% Row Count 23 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.4623 cm} x{8.8077 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Interface}}  \tn
% Row 0
\SetRowColor{LightBackground}
Add an interface to a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-interface=\textless{}interface\textgreater{} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Change the zone an interface belongs to & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-change-interface=\textless{}interface\textgreater{} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Remove an interface from a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-interface=\textless{}interface\textgreater{} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
Query if an interface is in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-interface=\textless{}interface\textgreater{} \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
List the enabled services in a zone & firewall-cmd {[} -{}-zone=\textless{}zone\textgreater{} {]} -{}-list-services \tn 
% Row Count 15 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.4623 cm} x{8.8077 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Service}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable a service in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-service=\textless{}service\textgreater{} {[}-{}-timeout=\textless{}seconds\textgreater{}{]} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Disable a service in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-service=\textless{}service\textgreater{} \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Query if a service is enabled in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-service=\textless{}service\textgreater{} \tn 
% Row Count 10 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.4623 cm} x{8.8077 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Source}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable a source in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-source=\textless{}address\textgreater{} {[}-{}-timeout=\textless{}seconds\textgreater{}{]} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Disable a source in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-source=\textless{}address\textgreater{} \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Query if a source is enabled in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-source=\textless{}address\textgreater{} \tn 
% Row Count 10 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.2534 cm} x{10.0166 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{ICMP}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable ICMP blocks in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-icmp-block=\textless{}icmptype\textgreater{} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Disable ICMP blocks in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-icmp-block=\textless{}icmptype\textgreater{} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Query ICMP blocks in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-icmp-block=\textless{}icmptype\textgreater{} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
{\bf{Example:}} & firewall-cmd -{}-zone=public -{}-add-icmp-block=echo-reply \tn 
% Row Count 12 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{port and protocol combination}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable a port and protocol combination in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}/\textless{}protocol\textgreater{} {[}-{}-timeout=\textless{}seconds\textgreater{}{]} \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
Disable a port and protocol combination in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}/\textless{}protocol\textgreater{} \tn 
% Row Count 9 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Query if a port and protocol combination in enabled in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}/\textless{}protocol\textgreater{} \tn 
% Row Count 13 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{port forwarding or port mapping}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable port forwarding or port mapping in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-forward-port=port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:proto=\textless{}protocol\textgreater{} \{ :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]} | :toaddr=\textless{}address\textgreater{} | :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:toaddr=\textless{}address\textgreater{} \} \tn 
% Row Count 9 (+ 9)
% Row 1
\SetRowColor{white}
Disable port forwarding or port mapping in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-forward-port=port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:proto=\textless{}protocol\textgreater{} \{ :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]} | :toaddr=\textless{}address\textgreater{} | :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:toaddr=\textless{}address\textgreater{} \} \tn 
% Row Count 18 (+ 9)
% Row 2
\SetRowColor{LightBackground}
Query port forwarding or port mapping in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-forward-port=port=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:proto=\textless{}protocol\textgreater{} \{ :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]} | :toaddr=\textless{}address\textgreater{} | :toport=\textless{}port\textgreater{}{[}-\textless{}port\textgreater{}{]}:toaddr=\textless{}address\textgreater{} \} \tn 
% Row Count 27 (+ 9)
% Row 3
\SetRowColor{white}
{\bf{Example:}} & firewall-cmd -{}-zone=home -{}-add-forward-port=port=22:proto=tcp:toaddr=127.0.0.2 \tn 
% Row Count 31 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Permanent}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{The permanent options are not affecting runtime directly. These  options are only available after a reload or restart. To have runtime  and permanent setting, you need to supply both. The {\bf{–permanent}} option needs to be the first option for all permanent calls.% Row Count 6 (+ 6)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{6.7353 cm} x{10.5347 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{panic mode}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable panic & firewall-cmd -{}-enable-panic \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Disable panic mode & firewall-cmd -{}-disable-panic \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Query panic mode & firewall-cmd -{}-query-panic \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Block all network traffic in case of emergency}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.4261 cm} x{9.8439 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Masquerading}}  \tn
% Row 0
\SetRowColor{LightBackground}
Enable masquerading in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-add-masquerade \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Disable masquerading in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-remove-masquerade \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Query masquerading in a zone & firewall-cmd {[}-{}-zone=\textless{}zone\textgreater{}{]} -{}-query-masquerade \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Direct options}}  \tn
% Row 0
\SetRowColor{LightBackground}
Pass a command through to the firewall. \textless{}args\textgreater{} can be all iptables, ip6tables and ebtables command line arguments & firewall-cmd -{}-direct -{}-passthrough \{ ipv4 | ipv6 | eb \} \textless{}args\textgreater{} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
Add a new chain \textless{}chain\textgreater{} to a table \textless{}table\textgreater{}. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-add-chain \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \tn 
% Row Count 11 (+ 5)
% Row 2
\SetRowColor{LightBackground}
Remove a chain with name \textless{}chain\textgreater{} from table \textless{}table\textgreater{}. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-remove-chain \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \tn 
% Row Count 16 (+ 5)
% Row 3
\SetRowColor{white}
Query if a chain with name \textless{}chain\textgreater{} exists in table \textless{}table\textgreater{}. Returns 0 if true, 1 otherwise. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-query-chain \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \tn 
% Row Count 21 (+ 5)
% Row 4
\SetRowColor{LightBackground}
Get all chains added to table \textless{}table\textgreater{} as a space separated list. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-get-chains \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \tn 
% Row Count 25 (+ 4)
% Row 5
\SetRowColor{white}
Add a rule with the arguments \textless{}args\textgreater{} to chain \textless{}chain\textgreater{} in table \textless{}table\textgreater{} with priority \textless{}priority\textgreater{}. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-add-rule \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \textless{}priority\textgreater{} \textless{}args\textgreater{} \tn 
% Row Count 31 (+ 6)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Direct options (cont)}}  \tn
% Row 6
\SetRowColor{LightBackground}
Remove a rule with the arguments \textless{}args\textgreater{} from chain \textless{}chain\textgreater{} in table \textless{}table\textgreater{}. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-remove-rule \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \textless{}args\textgreater{} \tn 
% Row Count 5 (+ 5)
% Row 7
\SetRowColor{white}
Query if a rule with the arguments \textless{}args\textgreater{} exists in chain  \textless{}chain\textgreater{} in table \textless{}table\textgreater{}. Returns 0 if true, 1 otherwise. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-query-rule \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \textless{}args\textgreater{} \tn 
% Row Count 11 (+ 6)
% Row 8
\SetRowColor{LightBackground}
Get all rules added to chain \textless{}chain\textgreater{} in table \textless{}table\textgreater{} as a newline separated list of arguments. & firewall-cmd {[}-{}-permanent{]} -{}-direct -{}-get-rules \{ ipv4 | ipv6 | eb \} \textless{}table\textgreater{} \textless{}chain\textgreater{} \tn 
% Row Count 16 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{The direct options give a more direct access to the firewall. These  options require user to know basic iptables concepts.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}