apache/mina-sshd

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Apache MINA sshd is a comprehensive Java library for client- and server-side SSH.

Stars: 1.1k
Forks: 402
Open beginner issues: 0
Indexed issues: 55
Avg merge: 5d 1h
Merged PRs (30d): 1

Dominant language: Java
License: Apache-2.0
Last GitHub push: Aug 29, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

Data point: what a PQ signature and host-key migration would touch in sshd, from a static scan of 2.19.0 Open

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

apache/mina-sshd#915 · 1 comment · Opened Sep 9, 2026
Impossible to correlate logs from NIO worker threads Open

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

apache/mina-sshd#904 · 6 comments · Opened Jun 24, 2026
Multiple sessions created by the same SSH client disconnected and timed out one after another at the same time. Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/mina-sshd#901 · 6 comments · Opened Jun 16, 2026
How to Enable a Level-2 Shell to Display Shell Prompt? Open

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

apache/mina-sshd#897 · 4 comments · Opened May 12, 2026
Apache SSHD LocalWindow.release() Performance Issues Open

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

apache/mina-sshd#884 · 10 comments · Opened Mar 4, 2026
Client Session contextual information Open

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

apache/mina-sshd#880 · 1 comment · Opened Feb 4, 2026
SSH writePacket can block indefinitely in 2.11.0 – proposal to add configurable write timeout Open

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

apache/mina-sshd#878 · 1 comment · Opened Jan 30, 2026
OOM error with apache mina client, thousands of threads at jdk/internal/Unsafe.park(Native Method), java/lang/Object.waitImpl(Native Method) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#859 · 5 comments · Opened Dec 13, 2025
SSH client creates 5 threads while connecting to host. Open

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

apache/mina-sshd#853 · 1 comment · Opened Nov 19, 2025
FileSystemProvider ignores provided environment parameters when creating the default SshClient Open

sftp_3.0

Difficulty 3/5 1-2 days Newbie friendliness 38/100

apache/mina-sshd#847 · 5 comments · Opened Oct 23, 2025
InterruptedByTimeoutException from UnixAsynchronousSocketChannelImpl on big files after around 10 minutes Open

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

apache/mina-sshd#764 · 3 comments · Opened Jun 13, 2025
How to implement the "AsynchronousFileChannel newAsynchronousFileChannel" in sshd sftp? Open

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

apache/mina-sshd#758 · Opened May 30, 2025
Add completed() to SftpEventListener complementing received() Open

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

apache/mina-sshd#757 · Opened May 29, 2025
FS Does not support secure directory streams & NOFOLLOW_LINKS on IBM i Open

sftp_3.0

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

apache/mina-sshd#742 · 5 comments · Opened Apr 28, 2025
Add support for native image Open

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

apache/mina-sshd#722 · 4 comments · Opened Apr 8, 2025
Implement client-side support of X11 forwarding Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/mina-sshd#712 · 7 comments · Opened Mar 29, 2025
Unable to connect to sftp server running on WSL using hostname localhost Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/mina-sshd#661 · 2 comments · Opened Feb 5, 2025
Single Thread for KEX Handling Causes Increased SSH Latency with High Concurrent Connections Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/mina-sshd#647 · 4 comments · Opened Dec 20, 2024
A write operation is already pending Open

bug

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

apache/mina-sshd#644 · 2 comments · Opened Dec 12, 2024
After the upgrade from 2.10.0 to 2.12.0, batch move files，invoke SftpPath.getClient().rename. operation fails after 10 files moved. Open

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

apache/mina-sshd#637 · 3 comments · Opened Nov 20, 2024
sftp-server 'ls' command takes too long to execute Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#633 · 3 comments · Opened Nov 14, 2024
high CPU usage Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#625 · Opened Oct 26, 2024
Implement ping@openssh.com extension Open

feature request

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

apache/mina-sshd#563 · 1 reaction · Opened Jul 26, 2024
Implement ext-info-in-auth@openssh.com extension Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/mina-sshd#562 · Opened Jul 26, 2024
Implements global-requests-ok extension Open

feature request

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

apache/mina-sshd#545 · 2 comments · Opened Jul 25, 2024
Implement no-flow-control extension Open

feature request

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

apache/mina-sshd#539 · 1 comment · Opened Jul 25, 2024
sftp subsystem ignores process umask when creating directory Open

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

apache/mina-sshd#535 · 1 comment · Opened Jul 22, 2024
GitSshdSessionFactory - why do I need a credentialsProvider if I've configured the SshSessionFactory? Open

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

apache/mina-sshd#532 · 4 comments · Opened Jul 18, 2024
Multiple connection to remote sftp using same user throwing FileSystemAlreadyExistsException Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

apache/mina-sshd#521 · 1 comment · Opened Jun 25, 2024
BouncyCastleGeneratorHostKeyProvider requires BouncyCastleKeyPairResourceParser for EC keys Open

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

apache/mina-sshd#517 · 1 comment · Opened Jun 16, 2024
OpenJDK 21 comptibility Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

apache/mina-sshd#515 · 1 comment · Opened Jun 13, 2024
After the upgrade to 2.12.0, the query of remote files times out. Open

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

apache/mina-sshd#488 · 2 comments · Opened Apr 23, 2024
Enable ssh-dss algorighthm through system variable Open

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

apache/mina-sshd#483 · 1 comment · 1 reaction · Opened Apr 11, 2024
SSHD client causing memory leak due to SSHD calls in vast number around 1.8k Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#474 · 5 comments · Opened Mar 13, 2024
NullPointer in ChannelSession.closeImmediately0() leading to regular warning log spam Open

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

apache/mina-sshd#465 · 2 comments · Opened Feb 11, 2024
Handle concurrent clients implicitly within the SFTP server EventListener Open

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

apache/mina-sshd#452 · 1 comment · Opened Jan 8, 2024
Question regarding the md5-hash extension Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#450 · 3 comments · Opened Jan 4, 2024
Lost window adjust packets (SSH_MSG_CHANNEL_WINDOW_ADJUST) Open

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

apache/mina-sshd#440 · 1 comment · Opened Dec 1, 2023
org.apache.sshd.common.SshException: No more authentication methods available Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

apache/mina-sshd#436 · 11 comments · Opened Nov 27, 2023
use client to connect to the cluster server, and the connection will only be established to one instance. Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/mina-sshd#435 · 2 comments · Opened Nov 20, 2023
Add Support for Multi-Factor Authentication Open

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

apache/mina-sshd#433 · 1 comment · Opened Nov 14, 2023
Client does not work the same when using the async api as with the synchronous api Open

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

apache/mina-sshd#426 · 1 comment · Opened Oct 24, 2023
SshServer shutdown on Windows may report exceptions about already shut down ExecutorService Open

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

apache/mina-sshd#409 · 2 comments · Opened Aug 27, 2023
SCP user friendly exceptions Open

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

apache/mina-sshd#401 · 4 comments · Opened Aug 1, 2023
The RootedFileSystemProvider.resolveLocalPath() does not return normilized path any more Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

apache/mina-sshd#397 · 6 comments · Opened Jul 14, 2023
Time taking more to open a channel and close a channel. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/mina-sshd#396 · 2 comments · Opened Jul 7, 2023
Issue in setting User auth factories in ClientSession Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/mina-sshd#393 · Opened Jun 29, 2023
Allow KnownHostsServerKeyVerifier to read from a resource URL Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 35/100

apache/mina-sshd#391 · 1 comment · Opened Jun 14, 2023
Implement server-side per-channel idle timeouts as in OpenSSH 9.2 Open

feature request

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

apache/mina-sshd#385 · Opened May 29, 2023
transfer rate limiting Open

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

apache/mina-sshd#355 · 1 comment · Opened Apr 11, 2023

apache/mina-sshd

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