ssh connect to server stop on "SSH2_MSG_KEXINIT sent"
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
openssh (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned |
Bug Description
After upgrade on Ubuntu 22.04 i can't connect to several servers. Connecting stopped on SSH2_MSG_KEXINIT sent
```
ssh -vvv -o KexAlgorithms=
OpenSSH_8.9p1 Ubuntu-3, OpenSSL 3.0.2 15 Mar 2022
debug1: Reading configuration data /home/ruslan/
debug3: kex names ok: [diffie-
debug3: kex names ok: [diffie-
debug3: kex names ok: [diffie-
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/
debug1: /etc/ssh/ssh_config line 21: Applying options for *
debug3: expanded UserKnownHostsFile '~/.ssh/
debug3: expanded UserKnownHostsFile '~/.ssh/
debug2: resolving "sansa" port 22
debug3: resolve_host: lookup sansa:22
debug3: ssh_connect_direct: entering
debug1: Connecting to sansa [172.16.xx.xx] port 22.
debug3: set_sock_tos: set socket 3 IP_TOS 0x10
debug1: Connection established.
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: identity file /home/ruslan/
debug1: Local version string SSH-2.0-
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3
debug1: compat_banner: match: OpenSSH_5.3 pat OpenSSH_5* compat 0x0c000002
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to sansa:22 as 'vld'
debug1: load_hostkeys: fopen /etc/ssh/
debug3: order_hostkeyalgs: no algorithms matched; accept original
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
```
I'm checking connection on old version Ubuntu 20.04, it's working. Remote server use
KexAlgorithms=
On Ubuntu 21.04 ssh was work.
Status changed to 'Confirmed' because the bug affects multiple users.