apache/trafficserver

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Apache Traffic Server™ is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server.

Stars: 2k
Forks: 874
Open beginner issues: 0
Indexed issues: 226
Avg merge: 6d 15h
Merged PRs (30d): 46

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

223 open issues indexed

IPv6 to v4 failover? Open

Enhancement HostDB Stale

apache/trafficserver#7663 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
When rewriting cache.config in YAML, make it not additive. Open

Cache Stale YAML

apache/trafficserver#7701 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Adjust naming scheme for session specific timeouts Open

Cleanup Configuration Incompatible Stale

apache/trafficserver#7722 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
⛱️ HTTP/2 Session Refactoring Open

HTTP/2 Stale

apache/trafficserver#7852 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
exec_thread.affinity INT [34] - causes 'collisions' Open

Performance Stale

apache/trafficserver#7903 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Should we remove support for NPN? Open

Cleanup Incompatible TLS

apache/trafficserver#7982 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
HostDB does not properly cache negative responses Open

HostDB Stale

apache/trafficserver#7988 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Cache needs invalidated for PATCH and unknown methods Open

Bug HTTP

apache/trafficserver#8006 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS should keep a read-only copy of the original client request Open

HTTP Logging New Feature Stale

apache/trafficserver#8016 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Http2Stream may not be used across threads Open

HTTP/2 Performance Stale

apache/trafficserver#8044 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Rename proxy.config.http.default_buffer_size to default_buffer_index Open

Configuration Incompatible Stale

apache/trafficserver#8046 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Transform tunnels stall when no bytes are sent Open

Bug HttpSM Stale Transform

apache/trafficserver#8081 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Configuration loading of file or plugins need to be able to handle a set of paths Open

Configuration New Feature Stale

apache/trafficserver#8219 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
body_factory performance, configuration and errors Open

Performance Stale

apache/trafficserver#8304 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CACHE_LOOKUP_HIT_FRESH status for POST request is not good Open

Bug Cache HTTP

apache/trafficserver#8539 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Stop write_fail actions from going to origin if parentage with go_direct=false Open

Core HttpSM Parent Proxy Stale

apache/trafficserver#8555 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
proxy.config.http.cache.open_read_retry_time default value impractical Open

Cache Stale

apache/trafficserver#8598 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Run micro benchmark programs periodically Open

CI Stale

apache/trafficserver#8726 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TLS session ticket get out of sync between servers Open

Server Session Stale TLS

apache/trafficserver#8734 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Provide support for request body in lua intercept plugin. Open

Lua New Feature Plugins

apache/trafficserver#8748 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Non-cryptographic hash for cache key Open

New Feature Stale

apache/trafficserver#8756 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Plugins ought live in lib rather than libexec Open

Stale

apache/trafficserver#8823 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Ramcache disabled does not split remaining free cache Open

Cache Stale

apache/trafficserver#8824 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ArenaBlock's defaultSizeArenaBlock allocator under high contention on a busy server Open

Performance Stale

apache/trafficserver#8826 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add std::format style formatted print support to proxy/Log class Open

Logging Performance Stale

apache/trafficserver#8876 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Do some core intercept plugins leak resources on early session termination? Open

Stale

apache/trafficserver#8896 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
No Available PARENTS and ATS not adhering to parent configurations. Open

Stale Support

apache/trafficserver#8914 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Event's null ethread pointer is sometimes dereferenced. Open

Bug Crash Stale

apache/trafficserver#8920 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
clear hostdb cache without restarting ATS Open

DNS Stale

apache/trafficserver#9022 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
H2 is not negotiated when transparent mode is enabled Open

HTTP/2 Stale Transparent

apache/trafficserver#9148 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Log field sstc is not accurate when port is transparent Open

Logging Stale Transparent

apache/trafficserver#9149 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
TLS UserAgent hook support for Lua Open

Lua New Feature Plugins Stale

apache/trafficserver#9167 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Replace ink_atomic with std::atomic Open

Core Stale

apache/trafficserver#9173 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Canceled streams are not cleaned up in time Open

Bug HTTP/2 Stale

apache/trafficserver#9179 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
access_control plugin with opaque tokens + client JWT assertion Open

Stale

apache/trafficserver#9220 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Errors in Diags::set_std_output() ignored, which can result in a crash. Open

Crash Logging Stale

apache/trafficserver#9327 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
QUIC ATS logging Open

Good First Issue HTTP/3 Logging QUIC Stale

apache/trafficserver#9345 · 15 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
☂ 11.x must haves Open

Stale

apache/trafficserver#9362 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
☂ Remove things that were deprecated in 9.x Open

Stale

apache/trafficserver#9373 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
QUIC: Add unit tests for max streams( initial_max_streams_uni/bidi) Open

QUIC Stale

apache/trafficserver#9434 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ats has problems handling if-none-match requests for compressed objects Open

Stale Support

apache/trafficserver#9496 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
"Cache-Control" header and "Age" header are removed by ESI module Open

esi Plugins Stale

apache/trafficserver#9596 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
☂ Cleanup, add and remove WKS's, making them modern Open

Stale

apache/trafficserver#9636 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
splitdns.config: multiple ips in named argument ignored Open

DNS Support

apache/trafficserver#9718 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
QPACK: Update Dynamic Table logics to the latest spec Open

HTTP/3 Stale

apache/trafficserver#9747 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
autest command errors should log the failing command Open

AuTest Stale Tests

apache/trafficserver#9772 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
forward_route: use close_notify on shutdown Open

SSL Stale Tunneling

apache/trafficserver#9880 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
☂️ CMake migration completion Open

Build Cleanup CMake Stale

apache/trafficserver#10264 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
9.2.x Unexpected connection errors when proxying larger request bodies Open

Bug HTTP Stale Support

apache/trafficserver#10393 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
CID 1508885: Unintentional integer overflow Open

Bug Coverity Stale

apache/trafficserver#10425 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026

apache/trafficserver

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