How to block all udp traffic in iptables?

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Alexander Nazarov2021-06-02 19:42:00

iptables

Alexander Nazarov, 2021-06-02 19:42:00

How to block all udp traffic in iptables?

How to block all udp traffic in iptables?
Operating system UBUNTU, installed DOCKER
Tried:

iptables -A INPUT -p udp -j DROP
iptables -A OUTPUT -p udp -j DROP
iptables -A DOCKER-p udp -j DROP

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1 answer(s)

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CityCat4, 2021-06-02
@CityCat4

where is -A FORWARD -p udp -j DROP?

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