566 B
566 B
title | date | description | tags | |
---|---|---|---|---|
Clean conntrack states | 2018-03-02 | How to clean conntrack states |
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A not so simple command
Firewalling on linux is messy, here is an example of how to clean conntrack states that match a specific query on a linux firewall :
{{< highlight sh >}}
conntrack -L conntrack -p tcp –orig-dport 65372 |
while read _ _ _ _ src dst sport dport _; do
conntrack -D conntrack –proto tcp –orig-src ${src#=} –orig-dst ${dst#=}
–sport ${sport#=} –dport ${dport#=}
done
{{< /highlight >}}