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

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223 open issues indexed

Improving `traffic_ctl config reload` Open

Configuration

apache/trafficserver#12324 · 2 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
outbound proxy protocol miss in various scenarios Open

Bug HTTP PROXY Protocol

apache/trafficserver#12337 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Recommendation to deprecate http_stats or stats_over_http Open

HTTP Incompatible Plugins stats_over_http

apache/trafficserver#12361 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
IMS stripped during concurrent requests for a cached resource which hasn't been modified in origin Open

Cache HTTP Support

apache/trafficserver#12364 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
UDP support in plugins Open

New Feature Plugins Support UDP

apache/trafficserver#12390 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
11.x: Rename some enabled configs to mode Open

11.0.x Configuration Incompatible Logging TLS

apache/trafficserver#12412 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
11.x: Rename proxy.config.ssl.server.honor_cipher_order Open

11.0.x Configuration Documentation TLS

apache/trafficserver#12417 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to recreate a 9.2 config to 10.1 Open

Cache Plugins Support

apache/trafficserver#12508 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Core dump occurs due to infinite calls to CacheVC::scanObject when cache deletion fails Open

Bug Cache

apache/trafficserver#12583 · 2 comments · 0 reactions · 2 assignees · Indexed Sep 14, 2026
ATS plugins are too tolerant of loading bad configs Open

Bug header_rewrite Plugins regex_remap

apache/trafficserver#12660 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assistance with http/2 connections to origin Open

HTTP/2 Support TLS

apache/trafficserver#12674 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
☂ Migrate remaining configuration files to YAML format Open

Configuration Umbrella

apache/trafficserver#12753 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Proposal: Use Prometheus labels in stats_over_http plugin output Open

HTTP stats_over_http

apache/trafficserver#12778 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
⛱️ Stripe Mutex Lock Contention Open

Cache Performance

apache/trafficserver#12788 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Via Header: Document legacy codes and clarify decoder behavior Open

Documentation

apache/trafficserver#12795 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Benchmark filter_body plugin performance Open

Performance Plugins

apache/trafficserver#12801 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Verify default records.yaml matches in-code defaults Open

Bug Configuration Documentation TLS

apache/trafficserver#12837 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Add AuTests covers SRV record cases Open

AuTest DNS HostDB Tests

apache/trafficserver#12850 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ATS11: Remove slow log feature Open

Cleanup HTTP HTTP/2 Logging

apache/trafficserver#12870 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Refactor: Separate output formatting from command logic in `traffic_ctl` Open

Cleanup Tools traffic_ctl

apache/trafficserver#12911 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Random POST request failures after upgrade from 9.2.4 to 10.0.4 or 10.2.0 Open

Bug Core HTTP Support

apache/trafficserver#12919 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Expose cache directory header metadata as stats (create_time, cycle count) Open

Cache Metrics

apache/trafficserver#12920 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
docker image fails to load cache_promote.so Open

Build Cache Core

apache/trafficserver#12927 · 0 comments · 2 reactions · 1 assignee · Indexed Sep 14, 2026
SERVER_CLOSE milestone set before UA_BEGIN_WRITE on transform path causes negative o_body Open

Bug HTTP Logging Transform

apache/trafficserver#12942 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Consolidate and modernize ATS logging: unify log files, timestamps, and naming Open

Logging New Feature

apache/trafficserver#12944 · 0 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
[BUG] secondary parent `hash_string` copy lacks the `MAXDNAME` bound already used for `hostname` Open

Bug Parent Proxy Parent Selection

apache/trafficserver#12955 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS Reload migration task. Enable inline YAML for more handlers Open

Config Reload Configuration

apache/trafficserver#12964 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS Reload migration task. Trace record-triggered reloads Open

Config Reload Configuration

apache/trafficserver#12966 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS Reload migration task. Part II Open

Config Reload Configuration

apache/trafficserver#12968 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Reverse DNS (PTR) lookup for raw IP origins causes ~5s latency on every request including cache hits Open

Bug Cache DNS HostDB HTTP Parent Proxy

apache/trafficserver#12980 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove last_open_read memory cache feature Open

Cache Cleanup

apache/trafficserver#13095 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS 10.0.4 intermittent SIGSEGV in FetchSM/PluginVC callback path (2 crashes, same stack pattern) Open

Bug Crash Plugins Support

apache/trafficserver#13096 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
VIA_SERVER_RESULT and VIA_PROXY_RESULT are never set in handle_no_cache_operation_on_forward_server_response() for 206 Partial Content and the default branch (9.2.x) Open

Bug HTTP Support

apache/trafficserver#13118 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add ability to log "freshness_limit" and "current_age" Open

Cache Logging New Feature

apache/trafficserver#13127 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Change the cache CryptoHash default from MD5 to SHA256 Open

Cache Core

apache/trafficserver#13129 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
☂️ Add HTTP/3 via OpenSSL 3.5 Support Open

HTTP/3 New Feature QUIC TLS Umbrella

apache/trafficserver#13214 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Validate `proxy.config.cache.ram_cache.use_seen_filter` Open

Cache Configuration

apache/trafficserver#13251 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Library-ized html escaper Open

Core Enhancement

apache/trafficserver#13331 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
"Server closed connection.." error may be due to HTTP/2 parser problem Open

Bug HTTP/2 Support

apache/trafficserver#13334 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
☂ Migrate off deprecated OpenSSL APIs and drop OPENSSL_API_COMPAT Open

Core TLS Umbrella

apache/trafficserver#13348 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Corrupted responses (bad Content-Length/Content-Encoding) Open

Bug HTTP/2

apache/trafficserver#13353 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
crash on add_to_keep_alive_queue and add_to_active_queue Open

Bug Crash Threads

apache/trafficserver#13358 · 12 comments · 0 reactions · 2 assignees · Indexed Sep 14, 2026
Enable compression across all RAM Cache algorithms Open

Cache

apache/trafficserver#13381 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS closed connections while data from origin not exhausted Open

Support TCP

apache/trafficserver#13389 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
TSSslServerCertUpdate() can crash or read out of bounds extracting a certificate CN Open

Bug

apache/trafficserver#13484 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
ATS crashes when reloading parent.config Open

Bug Crash Parent Proxy Support

apache/trafficserver#13496 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
rate_limit: a queue without a size defaults to UINT32_MAX entries Open

Plugins rate_limit

apache/trafficserver#13511 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
rate_limit: reject unknown keys in the YAML configuration Open

Configuration Incompatible Plugins rate_limit

apache/trafficserver#13529 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
HTTP/2 origin: discarding 100 Continue strands the request body Open

apache/trafficserver#13544 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Heads-up: riscv64 build fails at `ink_queue.h` "unsupported processor" (no RISC-V freelist case) Open

Build Support

apache/trafficserver#13555 · 3 comments · 0 reactions · 3 assignees · Indexed Sep 14, 2026

apache/trafficserver

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