Skip to content

enable by default - pekko.http.server.http2.frame-type-throttle.frame-types = ["reset"] #1193

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
pjfanning merged 2 commits into from
Aug 4, 2026
+6 −4
Merged

enable by default - pekko.http.server.http2.frame-type-throttle.frame-types = ["reset"] #1193

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a5fde26
enable by default - pekko.http.server.http2.frame-type-throttle.frame…
pjfanning Jul 29, 2026
7b85865
Update Http2ServerDisableFrameTypeThrottleSpec.scala
pjfanning Jul 29, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions http-core/src/main/resources/reference.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -316,10 +316,11 @@ pekko.http {

frame-type-throttle {
# Configure the throttle for non-data frame types (https://github.com/apache/pekko-http/issues/332).
# The supported frame-types for throttlng are:
# The supported frame-types for throttling are:
# reset, headers, continuation, go-away, priority, ping, push-promise, window-update
# If you are concerned about CVE-2023-44487, you could set: pekko.http.server.http2.frame-type-throttle.frame-types = ["reset"]
frame-types = []
# By default, RST_STREAM frames are throttled to mitigate HTTP/2 Rapid Reset attacks (CVE-2023-44487).
# Set to [] to disable throttling.
frame-types = ["reset"]
cost = 100
burst = 100
# interval must be a positive duration
Expand Down
3 changes: 2 additions & 1 deletion ...ala/org/apache/pekko/http/impl/engine/http2/Http2ServerDisableFrameTypeThrottleSpec.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,11 @@ import pekko.http.impl.engine.http2.framing.FrameRenderer
import pekko.util.ByteStringBuilder

/**
* This tests the http2 server throttle support for rapid resets is disabled by default.
* This tests the http2 server throttle support for rapid resets when explicitly disabled.
*/
class Http2ServerDisableFrameTypeThrottleSpec extends Http2SpecWithMaterializer("""
pekko.http.server.http2.log-frames = on
pekko.http.server.http2.frame-type-throttle.frame-types = []
""") {
override def failOnSevereMessages: Boolean = true

Expand Down