https://clonwiki0.jlab.org/wiki/index.php?action=history&feed=atom&title=Iptables
Iptables - Revision history
2026-04-09T11:18:47Z
Revision history for this page on the wiki
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https://clonwiki0.jlab.org/wiki/index.php?title=Iptables&diff=8272&oldid=prev
Boiarino at 19:48, 15 May 2025
2025-05-15T19:48:26Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:48, 15 May 2025</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> iptables -t nat -F</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> iptables -t nat -F</div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Set needed settings (we assumes <del style="font-weight: bold; text-decoration: none;">loval </del>network port is 'enp_bond', and uplink port is 'em1'):</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Set needed settings (we assumes <ins style="font-weight: bold; text-decoration: none;">here that local </ins>network port is 'enp_bond', and uplink port is 'em1'):</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> iptables -A INPUT -i lo -j ACCEPT</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> iptables -A INPUT -i lo -j ACCEPT</div></td></tr>
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Boiarino
https://clonwiki0.jlab.org/wiki/index.php?title=Iptables&diff=8270&oldid=prev
Boiarino: Created page with "'''IPTABLES''' Show tables: iptables -vL -t filter iptables -vL -t nat iptables -vL -t mangle iptables -vL -t raw iptables -vL -t security Only first two seems relevant. Clear them: iptables -t filter -F iptables -t nat -F Set needed settings (we assumes loval network port is 'enp_bond', and uplink port is 'em1'): iptables -A INPUT -i lo -j ACCEPT iptables -A INPUT -i enp_bond -j ACCEPT iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT ipt..."
2025-05-15T19:34:28Z
<p>Created page with "'''IPTABLES''' Show tables: iptables -vL -t filter iptables -vL -t nat iptables -vL -t mangle iptables -vL -t raw iptables -vL -t security Only first two seems relevant. Clear them: iptables -t filter -F iptables -t nat -F Set needed settings (we assumes loval network port is 'enp_bond', and uplink port is 'em1'): iptables -A INPUT -i lo -j ACCEPT iptables -A INPUT -i enp_bond -j ACCEPT iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT ipt..."</p>
<p><b>New page</b></p><div>'''IPTABLES'''<br />
<br />
Show tables:<br />
iptables -vL -t filter<br />
iptables -vL -t nat<br />
iptables -vL -t mangle<br />
iptables -vL -t raw<br />
iptables -vL -t security<br />
<br />
Only first two seems relevant. Clear them:<br />
iptables -t filter -F<br />
iptables -t nat -F<br />
<br />
Set needed settings (we assumes loval network port is 'enp_bond', and uplink port is 'em1'):<br />
iptables -A INPUT -i lo -j ACCEPT<br />
iptables -A INPUT -i enp_bond -j ACCEPT<br />
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT<br />
iptables -t nat -A POSTROUTING -o em1 -j MASQUERADE<br />
iptables -A FORWARD -i em1 -o enp_bond -m state --state RELATED,ESTABLISHED -j ACCEPT<br />
iptables -A FORWARD -i enp_bond -o em1 -j ACCEPT<br />
<br />
Save rules and restart service:<br />
iptables-save > /etc/sysconfig/iptables<br />
systemctl enable iptables<br />
systemctl start iptables</div>
Boiarino