https://wiki.ixheim.de/index.php?action=history&feed=atom&title=Iptables_und_ipsec 2026-06-29T07:54:50Z Versionsgeschichte dieser Seite in Xinux Wiki MediaWiki 1.35.1 https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=38840&oldid=prev 2022-12-09T06:16:36Z

<p><span dir="auto"><span class="autocomment">Zu Bedenken</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 9. Dezember 2022, 06:16 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l41" >Zeile 41:</td> <td colspan="2" class="diff-lineno">Zeile 41:</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>==Zu Bedenken==</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>==Zu Bedenken==</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>;Verkehr der in den VPN Tunnel soll, muss vom SNAT ausgenommen werden.</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>;Verkehr der in den VPN Tunnel soll, muss vom SNAT ausgenommen werden.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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><ins style="font-weight: bold; text-decoration: none;">*iptables -t nat -A POSTROUTING -o $WANDEV -s $LAN -d $DIENET -j RETURN</ins></div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=38815&oldid=prev 2022-12-08T14:41:19Z

<p><span dir="auto"><span class="autocomment">VPN Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 8. Dezember 2022, 14:41 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l18" >Zeile 18:</td> <td colspan="2" class="diff-lineno">Zeile 18:</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>==VPN Traffic==</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>==VPN Traffic==</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>;Eingehendes IKE erlauben</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>;Eingehendes IKE erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>INPUT -p udp --dport 500 -i $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>INPUT -p udp --dport 500 -i $WANDEV -j ACCEPT  -m state --state NEW</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>;Ausgehend IKE erlauben</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>;Ausgehend IKE erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>OUTPUT -p udp --dport 500 -o $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>OUTPUT -p udp --dport 500 -o $WANDEV -j ACCEPT  -m state --state NEW</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>;Eingehendes NAT-TRAVERSAL erlauben</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>;Eingehendes NAT-TRAVERSAL erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>INPUT -p udp --dport 4500 -i $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>INPUT -p udp --dport 4500 -i $WANDEV -j ACCEPT  -m state --state NEW</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>;Ausgehend NAT-TRAVERSAL erlauben</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>;Ausgehend NAT-TRAVERSAL erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>OUTPUT -p udp --dport 4500 -o $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>OUTPUT -p udp --dport 4500 -o $WANDEV -j ACCEPT  -m state --state NEW</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>;Eingehendes ESP erlauben</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>;Eingehendes ESP erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>INPUT  -p esp -i $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>INPUT  -p esp -i $WANDEV -j ACCEPT  -m state --state NEW</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>;Ausgehend ESP erlauben</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>;Ausgehend ESP erlauben</div></td></tr> <tr><td class='diff-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>*iptables -<del class="diffchange diffchange-inline">I </del>OUTPUT -p esp -o $WANDEV -j ACCEPT  -m state --state NEW</div></td><td class='diff-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>*iptables -<ins class="diffchange diffchange-inline">A </ins>OUTPUT -p esp -o $WANDEV -j ACCEPT  -m state --state NEW</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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> </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>==Realer Traffic==</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>==Realer Traffic==</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>;Verwenden des Policy Moduls</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>;Verwenden des Policy Moduls</div></td></tr> </table>

Linkai.zhang https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36326&oldid=prev 2022-09-26T08:45:07Z

<p><span dir="auto"><span class="autocomment">=Zu Bedenken</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:45 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l38" >Zeile 38:</td> <td colspan="2" class="diff-lineno">Zeile 38:</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>;Ausgehender Traffic von dem eignen Netz ins andere erlauben</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>;Ausgehender Traffic von dem eignen Netz ins andere erlauben</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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> <tr><td class='diff-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>==Zu Bedenken=</div></td><td class='diff-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>==Zu Bedenken<ins class="diffchange diffchange-inline">=</ins>=</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>;Verkehr der in den VPN Tunnel soll, muss vom SNAT ausgenommen werden.</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>;Verkehr der in den VPN Tunnel soll, muss vom SNAT ausgenommen werden.</div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36325&oldid=prev 2022-09-26T08:44:59Z

<p><span dir="auto"><span class="autocomment">Realer Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:44 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l38" >Zeile 38:</td> <td colspan="2" class="diff-lineno">Zeile 38:</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>;Ausgehender Traffic von dem eignen Netz ins andere erlauben</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>;Ausgehender Traffic von dem eignen Netz ins andere erlauben</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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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><ins style="font-weight: bold; text-decoration: none;">==Zu Bedenken=</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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><ins style="font-weight: bold; text-decoration: none;">;Verkehr der in den VPN Tunnel soll, muss vom SNAT ausgenommen werden.</ins></div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36324&oldid=prev 2022-09-26T08:35:33Z

<p><span dir="auto"><span class="autocomment">Realer Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:35 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l34" >Zeile 34:</td> <td colspan="2" class="diff-lineno">Zeile 34:</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>;Beim Entpacken des VPN Traffic wird das Paket mit dem TAG &quot;ipsec&quot; auf kernelebene markiert.</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>;Beim Entpacken des VPN Traffic wird das Paket mit dem TAG &quot;ipsec&quot; auf kernelebene markiert.</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>;Dies kann später mit dem policy modul abgefragt werden.</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>;Dies kann später mit dem policy modul abgefragt werden.</div></td></tr> <tr><td class='diff-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>;<del class="diffchange diffchange-inline">Ausgehender </del>Traffic von dem <del class="diffchange diffchange-inline">anderen </del>Netz ins eigene <del class="diffchange diffchange-inline">erlauben</del></div></td><td class='diff-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>;<ins class="diffchange diffchange-inline">Eingehender </ins>Traffic von dem <ins class="diffchange diffchange-inline">andere </ins>Netz ins eigene erlauben</div></td></tr> <tr><td class='diff-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><del class="diffchange diffchange-inline">*iptables -A FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT  </del></div></td><td colspan="2"> </td></tr> <tr><td class='diff-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><del class="diffchange diffchange-inline">;Eingehender Traffic von dem eignen Netz ins andere </del>erlauben</div></td><td colspan="2"> </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 FORWARD -i $WANDEV -o $LANDEV -s $DIENEN -d $LAN -m policy --dir in  --pol ipsec -m state --state NEW -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 FORWARD -i $WANDEV -o $LANDEV -s $DIENEN -d $LAN -m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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><ins style="font-weight: bold; text-decoration: none;">;Ausgehender Traffic von dem eignen Netz ins andere erlauben</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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><ins style="font-weight: bold; text-decoration: none;">*iptables -A FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT</ins></div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36323&oldid=prev 2022-09-26T08:33:08Z

<p><span dir="auto"><span class="autocomment">Realer Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:33 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l37" >Zeile 37:</td> <td colspan="2" class="diff-lineno">Zeile 37:</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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -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 FORWARD -i $LANDEV -o $WANDEV -s $LAN -d $DIENET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT   </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>;Eingehender Traffic von dem eignen Netz ins andere erlauben</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>;Eingehender Traffic von dem eignen Netz ins andere erlauben</div></td></tr> <tr><td class='diff-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>*iptables -A FORWARD -i $WANDEV -o $LANDEV -s $<del class="diffchange diffchange-inline">DIEBEN </del>-d $LAN -m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td><td class='diff-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>*iptables -A FORWARD -i $WANDEV -o $LANDEV -s $<ins class="diffchange diffchange-inline">DIENEN </ins>-d $LAN -m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36322&oldid=prev 2022-09-26T08:32:58Z

<p><span dir="auto"><span class="autocomment">Realer Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:32 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l35" >Zeile 35:</td> <td colspan="2" class="diff-lineno">Zeile 35:</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>;Dies kann später mit dem policy modul abgefragt werden.</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>;Dies kann später mit dem policy modul abgefragt werden.</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>;Ausgehender Traffic von dem anderen Netz ins eigene erlauben</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>;Ausgehender Traffic von dem anderen Netz ins eigene erlauben</div></td></tr> <tr><td class='diff-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>*iptables -A FORWARD -i $LANDEV -o $WANDEV -s $<del class="diffchange diffchange-inline">LEFTNET </del>-d $<del class="diffchange diffchange-inline">RIGHTNET </del>-m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT   </div></td><td class='diff-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>*iptables -A FORWARD -i $LANDEV -o $WANDEV -s $<ins class="diffchange diffchange-inline">LAN </ins>-d $<ins class="diffchange diffchange-inline">DIENET </ins>-m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT   </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>;Eingehender Traffic von dem eignen Netz ins andere erlauben</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>;Eingehender Traffic von dem eignen Netz ins andere erlauben</div></td></tr> <tr><td class='diff-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>*iptables -A FORWARD -i $WANDEV -o $LANDEV -s $<del class="diffchange diffchange-inline">RIGHTNET </del>-d $<del class="diffchange diffchange-inline">LEFTNET </del>-m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td><td class='diff-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>*iptables -A FORWARD -i $WANDEV -o $LANDEV -s $<ins class="diffchange diffchange-inline">DIEBEN </ins>-d $<ins class="diffchange diffchange-inline">LAN </ins>-m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=36321&oldid=prev 2022-09-26T08:31:51Z

<p><span dir="auto"><span class="autocomment">Realer Traffic</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 26. September 2022, 08:31 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l34" >Zeile 34:</td> <td colspan="2" class="diff-lineno">Zeile 34:</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>;Beim Entpacken des VPN Traffic wird das Paket mit dem TAG &quot;ipsec&quot; auf kernelebene markiert.</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>;Beim Entpacken des VPN Traffic wird das Paket mit dem TAG &quot;ipsec&quot; auf kernelebene markiert.</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>;Dies kann später mit dem policy modul abgefragt werden.</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>;Dies kann später mit dem policy modul abgefragt werden.</div></td></tr> <tr><td class='diff-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>;<del class="diffchange diffchange-inline">Eingehender </del>Traffic von dem anderen Netz ins eigene erlauben</div></td><td class='diff-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>;<ins class="diffchange diffchange-inline">Ausgehender </ins>Traffic von dem anderen Netz ins eigene erlauben</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 FORWARD -i $LANDEV -o $WANDEV -s $LEFTNET -d $RIGHTNET -m policy --dir out --pol ipsec -m state --state NEW -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 FORWARD -i $LANDEV -o $WANDEV -s $LEFTNET -d $RIGHTNET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT   </div></td></tr> <tr><td class='diff-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>;<del class="diffchange diffchange-inline">Ausgehender </del>Traffic von dem eignen Netz ins andere erlauben</div></td><td class='diff-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>;<ins class="diffchange diffchange-inline">Eingehender </ins>Traffic von dem eignen Netz ins andere erlauben</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 FORWARD -i $WANDEV -o $LANDEV -s $RIGHTNET -d $LEFTNET -m policy --dir in  --pol ipsec -m state --state NEW -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 FORWARD -i $WANDEV -o $LANDEV -s $RIGHTNET -d $LEFTNET -m policy --dir in  --pol ipsec -m state --state NEW -j ACCEPT</div></td></tr> </table>

Thomas.will https://wiki.ixheim.de/index.php?title=Iptables_und_ipsec&diff=34577&oldid=prev 2022-09-05T11:08:31Z

<p>Die Seite wurde neu angelegt: „=Verbinungsaufbau= &lt;pre&gt; tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on eth0, link-type EN10MB (Ethernet), snapshot len…“</p> <p><b>Neue Seite</b></p><div>=Verbinungsaufbau=<br /> &lt;pre&gt;<br /> tcpdump: verbose output suppressed, use -v[v]... for full protocol decode<br /> listening on eth0, link-type EN10MB (Ethernet), snapshot length 262144 bytes<br /> 10:46:55.688317 IP 10.82.227.22.500 &gt; 10.82.227.12.500: isakmp: parent_sa ikev2_init[I]<br /> 10:46:55.789900 IP 10.82.227.12.500 &gt; 10.82.227.22.500: isakmp: parent_sa ikev2_init[R]<br /> 10:46:55.846630 IP 10.82.227.22.500 &gt; 10.82.227.12.500: isakmp: child_sa ikev2_auth[I]<br /> 10:46:55.850998 IP 10.82.227.12.500 &gt; 10.82.227.22.500: isakmp: child_sa ikev2_auth[R]<br /> &lt;/pre&gt;<br /> =Verschlüsselter Verkehr=<br /> &lt;pre&gt;<br /> 10:47:28.011055 IP 10.82.227.22 &gt; 10.82.227.12: ESP(spi=0xc25a59e4,seq=0x1), length 136<br /> 10:47:28.011282 IP 10.82.227.12 &gt; 10.82.227.22: ESP(spi=0xc13ff7cb,seq=0x1), length 136<br /> 10:47:29.012067 IP 10.82.227.22 &gt; 10.82.227.12: ESP(spi=0xc25a59e4,seq=0x2), length 136<br /> 10:47:29.012211 IP 10.82.227.12 &gt; 10.82.227.22: ESP(spi=0xc13ff7cb,seq=0x2), length 136<br /> &lt;/pre&gt;<br /> =Firewall Regeln=<br /> ==VPN Traffic==<br /> ;Eingehendes IKE erlauben<br /> *iptables -I INPUT -p udp --dport 500 -i $WANDEV -j ACCEPT -m state --state NEW<br /> ;Ausgehend IKE erlauben<br /> *iptables -I OUTPUT -p udp --dport 500 -o $WANDEV -j ACCEPT -m state --state NEW<br /> ;Eingehendes NAT-TRAVERSAL erlauben<br /> *iptables -I INPUT -p udp --dport 4500 -i $WANDEV -j ACCEPT -m state --state NEW<br /> ;Ausgehend NAT-TRAVERSAL erlauben<br /> *iptables -I OUTPUT -p udp --dport 4500 -o $WANDEV -j ACCEPT -m state --state NEW<br /> ;Eingehendes ESP erlauben<br /> *iptables -I INPUT -p esp -i $WANDEV -j ACCEPT -m state --state NEW<br /> ;Ausgehend ESP erlauben<br /> *iptables -I OUTPUT -p esp -o $WANDEV -j ACCEPT -m state --state NEW<br /> ==Realer Traffic==<br /> ;Verwenden des Policy Moduls<br /> ;Funktion<br /> ;Beim Entpacken des VPN Traffic wird das Paket mit dem TAG &quot;ipsec&quot; auf kernelebene markiert.<br /> ;Dies kann später mit dem policy modul abgefragt werden.<br /> ;Eingehender Traffic von dem anderen Netz ins eigene erlauben<br /> *iptables -A FORWARD -i $LANDEV -o $WANDEV -s $LEFTNET -d $RIGHTNET -m policy --dir out --pol ipsec -m state --state NEW -j ACCEPT <br /> ;Ausgehender Traffic von dem eignen Netz ins andere erlauben<br /> *iptables -A FORWARD -i $WANDEV -o $LANDEV -s $RIGHTNET -d $LEFTNET -m policy --dir in --pol ipsec -m state --state NEW -j ACCEPT</div>

Thomas.will