tips:linux:networknamespaces

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tips:linux:networknamespaces [2019/01/24 15:31] – [setup] scipiotips:linux:networknamespaces [2019/01/24 19:03] (current) – [use] scipio
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 </code> </code>
  
 +bash prompt, add to .bashrc
 +<code>
 +_ns_name=$(ip netns identify 2>/dev/null)
 +PS1=${_ns_name:+(${_ns_name})}${PS1}
 +unset _ns_name
 +</code>
  
  
 +===== use =====
 +
 +create namespace "0"
 +<code>
 +netns 0 start
 +</code>
 +
 +run bach inside
 +<code>
 +netns 0 exec
 +</code>
 +
 +permit routing 
 +<code>
 +ip netns exec netns0 sysctl -w net.ipv4.ip_forward=1
 +iptables -t nat -A POSTROUTING -o tun0 -j MASQUERADE
 +</code>
 +
 +
 +inside NS 
 +<code>
 +iptables -t nat -A PREROUTING -d 10.9.0.2 -p tcp --dport 443 -j DNAT --to-destination 10.139.231.1:443
 +</code>
 +
 +<code>
 +curl -k --header "Host: www.xxx.it" https://10.9.0.2:443/Info-ws/services/xxx/
 +</code>
  • tips/linux/networknamespaces.1548340304.txt.gz
  • Last modified: 2019/01/24 15:31
  • by scipio