PROBE::TCP.DISCONN(3stap) Networking Tapset PROBE::TCP.DISCONN(3stap)

# [NAME](#NAME)

probe::tcp.disconnect - TCP socket disconnection

# [SYNOPSIS](#SYNOPSIS)

```
probe tcp.disconnect {}
```

# [VALUES](#VALUES)

*sport*

TCP source port

*daddr*

A string representing the destination IP address

*sock*

Network socket

*family*

IP address family

*flags*

TCP flags (e.g. FIN, etc)

*name*

Name of this probe

*dport*

TCP destination port

*saddr*

A string representing the source IP address

# [CONTEXT](#CONTEXT)

The process which disconnects tcp

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::tcp*(3stap)](/man/enterprise-packages/systemtap/tapset::tcp.3stap)

September 2026 SystemTap Tapset Reference Ver

---

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