Difference between revisions of "Firewall configuration"

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UFW configuration to redirect and masquerade from vpn to internal address<br>
 
UFW configuration to redirect and masquerade from vpn to internal address<br>
 +
Taken from a Raspberry Pi which works<br>
 +
<source lang="text">
 +
# Generated by iptables-save v1.4.14 on Mon Mar 27 00:04:08 2017
 +
*filter
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:INPUT ACCEPT [3796:458494]
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:FORWARD ACCEPT [891:104728]
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:OUTPUT ACCEPT [3014:356934]
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-A FORWARD -i eth0 -o tun0 -m state --state RELATED,ESTABLISHED -j ACCEPT
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COMMIT
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# Completed on Mon Mar 27 00:04:08 2017
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# Generated by iptables-save v1.4.14 on Mon Mar 27 00:04:08 2017
 +
*nat
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:PREROUTING ACCEPT [301:36128]
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:INPUT ACCEPT [46:5786]
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:OUTPUT ACCEPT [157:11272]
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:POSTROUTING ACCEPT [19:1254]
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-A POSTROUTING -o tun0 -j MASQUERADE
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COMMIT
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# Completed on Mon Mar 27 00:04:08 2017
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 +
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</source>
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That's odd the forwarding is in the filter table<br>
 +
We want to copy this rule to Ubuntu 17<br>
 +
The above may be deprecated and wrong<br>

Latest revision as of 12:41, 30 August 2018

UFW configuration to redirect and masquerade from vpn to internal address
Taken from a Raspberry Pi which works

# Generated by iptables-save v1.4.14 on Mon Mar 27 00:04:08 2017
*filter
:INPUT ACCEPT [3796:458494]
:FORWARD ACCEPT [891:104728]
:OUTPUT ACCEPT [3014:356934]
-A FORWARD -i eth0 -o tun0 -m state --state RELATED,ESTABLISHED -j ACCEPT
COMMIT
# Completed on Mon Mar 27 00:04:08 2017
# Generated by iptables-save v1.4.14 on Mon Mar 27 00:04:08 2017
*nat
:PREROUTING ACCEPT [301:36128]
:INPUT ACCEPT [46:5786]
:OUTPUT ACCEPT [157:11272]
:POSTROUTING ACCEPT [19:1254]
-A POSTROUTING -o tun0 -j MASQUERADE
COMMIT
# Completed on Mon Mar 27 00:04:08 2017

That's odd the forwarding is in the filter table
We want to copy this rule to Ubuntu 17
The above may be deprecated and wrong