[PR #1559] [MERGED] Narrow range for ephemeral ports to IANA-suggested range #2417

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opened 2026-03-16 08:52:44 +03:00 by kerem · 0 comments

kerem commented

2026-03-16 08:52:44 +03:00

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📋 Pull Request Information

Original PR: https://github.com/hickory-dns/hickory-dns/pull/1559
Author: @peterthejohnston
Created: 9/30/2021
Status: ✅ Merged
Merged: 10/1/2021
Merged by: @bluejekyll

Base: main ← Head: main

📝 Commits (1)

d539df1 Narrow range for ephemeral ports

📊 Changes

2 files changed (+13 additions, -4 deletions)

View changed files

📝 crates/proto/src/multicast/mdns_stream.rs (+7 -2)
📝 crates/proto/src/udp/udp_stream.rs (+6 -2)

📄 Description

The IANA suggests using ports 49152 and above for the purpose of ephemeral ports, so when choosing a random source port for a new UDP socket, restrict it to this range.

Fixes #1555

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/hickory-dns/hickory-dns/pull/1559 **Author:** [@peterthejohnston](https://github.com/peterthejohnston) **Created:** 9/30/2021 **Status:** ✅ Merged **Merged:** 10/1/2021 **Merged by:** [@bluejekyll](https://github.com/bluejekyll) **Base:** `main` ← **Head:** `main` --- ### 📝 Commits (1) - [`d539df1`](https://github.com/hickory-dns/hickory-dns/commit/d539df1be84dc0b854dd82e8f935167486b772a6) Narrow range for ephemeral ports ### 📊 Changes **2 files changed** (+13 additions, -4 deletions) <details> <summary>View changed files</summary> 📝 `crates/proto/src/multicast/mdns_stream.rs` (+7 -2) 📝 `crates/proto/src/udp/udp_stream.rs` (+6 -2) </details> ### 📄 Description The IANA [suggests](https://datatracker.ietf.org/doc/html/rfc6335#section-6) using ports 49152 and above for the purpose of ephemeral ports, so when choosing a random source port for a new UDP socket, restrict it to this range. Fixes #1555 --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>