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varnish

14 indexed repositories · View on GitHub

hitch
A scalable TLS proxy by Varnish Software.

C · 1944 stars
tinykvm
VMM for native-performance sandboxing

C++ · 821 stars
varnish-modules
Collection of Varnish Cache modules (vmods) by Varnish Software

C · 202 stars
docker-varnish
Official docker image

Dockerfile · 86 stars
varnish
Varnish Cache

C · 66 stars
varnishgather
Information gathering tool for Varnish Cache.

Shell · 48 stars
orca
Varnish Orca is a Virtual Registry Manger: a fast pull-through cache for artifact registries

JavaScript · 43 stars
toolbox

VCL · 17 stars
gateway
Gateway API implemention for Varnish Cache and Varnish Enterprise

Go · 16 stars
libvmod-tinykvm

C++ · 12 stars
helm-varnish
Helm Chart for Varnish Cache

Shell · 10 stars
libvmod-riscv
Sandboxing and multi-tenancy for Varnish

C++ · 7 stars
pkg-varnish-cache

Shell · 1 star
HORD
HTTP over RDMA

Rust · 0 stars

Beginner friendly Everything

Open All

README: add a suggested reading order for new contributors Open

documentation good first issue

Difficulty 1/5 1-3 hours Newbie friendliness 90/100

varnish/HORD#9 · Opened Sep 14, 2026
Consider splitting hord-stream/src/stream.rs (2,250 production lines) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

varnish/HORD#7 · Opened Sep 14, 2026
orca-chart: replace the pods only for values that need it Open

varnish/helm-varnish#128 · 1 assignee · Opened Aug 24, 2026
orca-chart: values.schema.json from the Supervisor schema Open

varnish/helm-varnish#127 · 1 assignee · Opened Aug 24, 2026
Add support for topologySpreadConstraints in server pod spec Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

varnish/helm-varnish#124 · Opened Aug 10, 2026
[tracking] Unreproduced audit drafts (triage backlog, not findings) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

varnish/tinykvm#107 · Opened Aug 2, 2026
[tracking] ARM64: 6 static-audit candidates needing an AArch64 host to confirm or kill Open

help wanted

varnish/tinykvm#106 · 1 assignee · Opened Aug 2, 2026
futex: unimplemented op throws std::runtime_error, escaping run() as a non-MachineException Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

varnish/tinykvm#101 · Opened Aug 2, 2026
ELF loader: section/symbol header fields used as offsets without validation against binary.size() Open

bug

Difficulty 5/5 Over a week Newbie friendliness 38/100

varnish/tinykvm#100 · 1 comment · Opened Aug 2, 2026
dup2 registers the stale fd instead of the dup() result, leaking a host fd per call Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

varnish/tinykvm#99 · 1 comment · Opened Aug 2, 2026
VmGroup: pool forks of one master into a shared struct kvm Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

varnish/tinykvm#91 · 1 comment · Opened Aug 1, 2026
Pipe mode does not work with TLS backends Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

varnish/varnish#64 · Opened Jul 24, 2026
`varnishadm` ignores command failures when piped via stdin Open

varnish/varnish#61 · 1 comment · 1 assignee · Opened Jul 21, 2026
Reloading tenant does not work Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

varnish/libvmod-riscv#3 · Opened Jul 6, 2026
Docs: enabling caching of Composer, Debian packages Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

varnish/orca#15 · 7 comments · Opened Jun 20, 2026
varnish version in pkg.env (9.0.3) is ahead of latest tag () Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

varnish/pkg-varnish-cache#25 · Opened May 23, 2026
Helm chart: optional namespace config for userVCL configMap Open

enhancement helm

Difficulty 3/5 1-2 days Newbie friendliness 66/100

varnish/gateway#69 · Opened May 19, 2026
Helm chart: optional PodDisruptionBudget for the operator Open

enhancement helm

Difficulty 3/5 1-2 days Newbie friendliness 70/100

varnish/gateway#67 · Opened May 11, 2026
Helm chart: pod-shaping knobs missing on the operator deployment Open

enhancement helm

Difficulty 3/5 1-2 days Newbie friendliness 72/100

varnish/gateway#66 · Opened May 11, 2026
Per-Gateway chaperone image override Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 58/100

varnish/gateway#63 · Opened May 1, 2026
First-class VMOD support in GatewayClassParameters Open

enhancement

varnish/gateway#62 · 1 assignee · Opened May 1, 2026
Write known-limitations section for beta release Open

beta documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

varnish/gateway#58 · 1 comment · Opened Apr 12, 2026
Document default resource requests/limits for gateway pods Open

beta documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

varnish/gateway#52 · 1 comment · Opened Apr 12, 2026
Make chaperone JSON logging runtime-configurable Open

beta enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

varnish/gateway#49 · Opened Apr 12, 2026
Support ExternalAuth filter (experimental) Open

conformance experimental gateway-api-1.5

Difficulty 5/5 Over a week Newbie friendliness 35/100

varnish/gateway#46 · Opened Apr 9, 2026
Support HTTPRouteCORS Open

conformance extended gateway-api-1.5

Difficulty 5/5 Over a week Newbie friendliness 35/100

varnish/gateway#45 · Opened Apr 9, 2026
Support Gateway frontend client certificate validation (mTLS) Open

blocked conformance extended gateway-api-1.5

Difficulty 5/5 Over a week Newbie friendliness 35/100

varnish/gateway#44 · Opened Apr 9, 2026
Support GatewayBackendClientCertificate (mTLS origination) Open

blocked conformance extended gateway-api-1.5

Difficulty 5/5 Over a week Newbie friendliness 20/100

varnish/gateway#43 · Opened Apr 9, 2026
Support GatewayHTTPSListenerDetectMisdirectedRequests Open

conformance extended gateway-api-1.5

Difficulty 3/5 1-2 days Newbie friendliness 65/100

varnish/gateway#42 · Opened Apr 9, 2026
Support ListenerSet Open

conformance extended gateway-api-1.5

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/gateway#40 · Opened Apr 9, 2026
Support HTTPRouteDestinationPortMatching Open

conformance experimental gateway-api-1.4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/gateway#38 · Opened Apr 9, 2026
Support ReferenceGrant for cross-namespace backends Open

conformance extended gateway-api-1.4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/gateway#34 · Opened Apr 9, 2026
Support GatewayAddressEmpty Open

conformance extended gateway-api-1.4 quick-win

Difficulty 3/5 1-2 days Newbie friendliness 68/100

varnish/gateway#33 · Opened Apr 9, 2026
Support GatewayInfrastructurePropagation Open

conformance extended gateway-api-1.4

Difficulty 3/5 1-2 days Newbie friendliness 58/100

varnish/gateway#32 · Opened Apr 9, 2026
Support GatewayStaticAddresses Open

conformance extended gateway-api-1.4

Difficulty 4/5 3-5 days Newbie friendliness 45/100

varnish/gateway#31 · Opened Apr 9, 2026
Support HTTPRouteNamedRouteRule Open

conformance extended gateway-api-1.4 quick-win

Difficulty 3/5 1-2 days Newbie friendliness 68/100

varnish/gateway#29 · Opened Apr 9, 2026
Support HTTPRouteBackendProtocolWebSocket Open

conformance extended gateway-api-1.4

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/gateway#28 · Opened Apr 9, 2026
Support HTTPRouteRequestMirror Open

blocked conformance extended gateway-api-1.4

Difficulty 4/5 3-5 days Newbie friendliness 45/100

varnish/gateway#26 · 1 comment · Opened Apr 9, 2026
Support HTTPRouteRequestTimeout and HTTPRouteBackendTimeout Open

conformance extended gateway-api-1.4

Difficulty 5/5 Over a week Newbie friendliness 35/100

varnish/gateway#24 · 2 comments · Opened Apr 9, 2026
Support HTTPRouteBackendRequestHeaderModification Open

conformance extended gateway-api-1.4 quick-win

Difficulty 4/5 3-5 days Newbie friendliness 52/100

varnish/gateway#23 · Opened Apr 9, 2026
Explore adding VCL to VarnishCachePolicy Open

blocked

Difficulty 5/5 Over a week Newbie friendliness 35/100

varnish/gateway#19 · 2 comments · Opened Mar 22, 2026
JA3 fingerprint does not match Wireshark Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/varnish#13 · 1 comment · Opened Mar 10, 2026
get_writable_page verify flags breaks due to hugepage coalescing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

varnish/tinykvm#64 · 3 comments · Opened Mar 8, 2026
Guest kernel uses ring-0 interrupts Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

varnish/tinykvm#62 · 8 comments · Opened Feb 8, 2026
jemalloc not installed when using aarch64 image Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

varnish/docker-varnish#114 · 8 comments · Opened Jan 29, 2026
Docs: Missing tutorial for Maven cache configuration Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

varnish/orca#11 · 1 reaction · Opened Jan 15, 2026
Docs: Missing tutorial for Varnish tools Open

Difficulty 2/5 1-2 days Newbie friendliness 45/100

varnish/orca#9 · Opened Jan 15, 2026
Docs: Missing cache invalidation documentation Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

varnish/orca#8 · Opened Jan 15, 2026
Docs: installation.md is missing Helm instructions Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

varnish/orca#7 · Opened Jan 15, 2026
controller: support for editing root vcl template Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

varnish/helm-varnish#45 · Opened Nov 7, 2025

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