TAPSET::NETFILTER(3stap) TAPSET::NETFILTER(3stap)

# [NAME](#NAME)

tapset::netfilter - systemtap netfilter tapset

# [DESCRIPTION](#DESCRIPTION)

[**netfilter.ip.pre\_routing**](#netfilter.ip.pre_routing)

Called before an IP packet is routed

See [*probe::netfilter.ip.pre\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.pre_routing.3stap)  
for details.

[**netfilter.ip.local\_in**](#netfilter.ip.local_in)

Called on an incoming IP packet addressed to the local computer

See [*probe::netfilter.ip.local\_in*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.local_in.3stap)  
for details.

[**netfilter.ip.forward**](#netfilter.ip.forward)

Called on an incoming IP packet addressed to some other computer

See [*probe::netfilter.ip.forward*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.forward.3stap)  
for details.

[**netfilter.ip.local\_out**](#netfilter.ip.local_out)

Called on an outgoing IP packet

See [*probe::netfilter.ip.local\_out*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.local_out.3stap)  
for details.

[**netfilter.ip.post\_routing**](#netfilter.ip.post_routing)

Called immediately before an outgoing IP packet leaves the computer

See [*probe::netfilter.ip.post\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.post_routing.3stap)  
for details.

[**netfilter.bridge.local\_in**](#netfilter.bridge.local_in)

Called on a bridging packet destined for the local computer

See [*probe::netfilter.bridge.local\_in*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.local_in.3stap)  
for details.

[**netfilter.bridge.forward**](#netfilter.bridge.forward)

Called on an incoming bridging packet destined for some other computer

See [*probe::netfilter.bridge.forward*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.forward.3stap)  
for details.

[**netfilter.bridge.local\_out**](#netfilter.bridge.local_out)

Called on a bridging packet coming from a local process

See [*probe::netfilter.bridge.local\_out*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.local_out.3stap)  
for details.

# [SEE ALSO](#SEE_ALSO)

[*probe::netfilter.ip.pre\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.pre_routing.3stap), [*probe::netfilter.ip.local\_in*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.local_in.3stap), [*probe::netfilter.ip.forward*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.forward.3stap), [*probe::netfilter.ip.local\_out*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.local_out.3stap), [*probe::netfilter.ip.post\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.ip.post_routing.3stap), [*probe::netfilter.arp.in*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.arp.in.3stap), [*probe::netfilter.arp.out*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.arp.out.3stap), [*probe::netfilter.arp.forward*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.arp.forward.3stap), [*probe::netfilter.bridge.pre\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.pre_routing.3stap), [*probe::netfilter.bridge.local\_in*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.local_in.3stap), [*probe::netfilter.bridge.forward*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.forward.3stap), [*probe::netfilter.bridge.local\_out*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.local_out.3stap), [*probe::netfilter.bridge.post\_routing*(3stap)](/man/enterprise-packages/systemtap/probe::netfilter.bridge.post_routing.3stap), [*stap*(1)](/man/enterprise-packages/systemtap/stap.1), [*stapprobes*(3stap)](/man/enterprise-packages/systemtap/stapprobes.3stap)

September 2026 SystemTap Tapset Reference

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Document: tapset::netfilter(3stap) from systemtap 5.6-r1 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git