I get the following in /var/log/authlog on my server:
Jan 17 02:17:16 lap sshd-session[82216]: Accepted none for anonymous
from 10.0.0.21 port 57399 ssh2
Jan 17 02:17:16 lap sshd-session[75831]: fatal: bad ownership or modes
for chroot directory "/home/git"
Yet :
$ ls -ld /home/git
drwxr-x--- 6 _gotd _gotd 512 Jan 16 23:41 /home/git/
$ grep anonymous /etc/group
_gotd:*:501:_gotwebd,sylvain,anonymous
anonymous:*:1001:
$ grep anonymous /etc/password
anonymous::1001:1001:Anonymous:/home/anonymous:/usr/local/bin/gotsh
$ grep -v ^# /etc/ssh/sshd_config
ListenAddress lap
PermitRootLogin no
MaxAuthTries 6
MaxSessions 6
PasswordAuthentication no
X11Forwarding yes
Subsystem sftp internal-sftp
Match User anonymous
ChrootDirectory /home/git
DisableForwarding yes
PermitTTY no
PasswordAuthentication yes
PermitEmptyPasswords yes
AuthenticationMethods none
retrieval attempt output, I suspect the pledge/repledge (2 lines) just
before closing of the connection:
$ cd /tmp
$ got clone -vvv ssh://anonymous@lap/geomant
Connecting to ssh://anonymous@lap/geomant
debug1: OpenSSH_10.0p2, LibreSSL 3.3.6
debug3: Running on Darwin 25.2.0 Darwin Kernel Version 25.2.0: Tue Nov
18 21:09:55 PST 2025; root:xnu-12377.61.12~1/RELEASE_ARM64_T8103 arm64
debug3: Started with: /usr/bin/ssh -v -v -v -- anonymous@lap
git-upload-pack \\'/geomant\\'
debug1: Reading configuration data /Users/sylvansab/.ssh/config
debug1: /Users/sylvansab/.ssh/config line 9: Applying options for lap
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 21: include /etc/ssh/ssh_config.d/*
matched no files
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' ->
'/Users/sylvansab/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' ->
'/Users/sylvansab/.ssh/known_hosts2'
debug1: Authenticator provider $SSH_SK_PROVIDER did not resolve;
disabling
debug3: channel_clear_timeouts: clearing
debug1: Connecting to lap port 22.
debug1: Connection established.
debug1: identity file /Users/sylvansab/.ssh/id_ed25519 type 3
debug1: identity file /Users/sylvansab/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_10.0
debug1: Remote protocol version 2.0, remote software version
OpenSSH_10.2
debug1: compat_banner: match: OpenSSH_10.2 pat OpenSSH* compat
0x04000000
debug3: fd 5 is O_NONBLOCK
debug1: Authenticating to lap:22 as 'anonymous'
debug3: record_hostkey: found key type ED25519 in file
/Users/sylvansab/.ssh/known_hosts:5
debug3: load_hostkeys_file: loaded 1 keys from lap
debug1: load_hostkeys: fopen /Users/sylvansab/.ssh/known_hosts2: No such
file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or
directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or
directory
debug3: order_hostkeyalgs: have matching best-preference key type
[email protected], using HostkeyAlgorithms verbatim
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms:
mlkem768x25519-sha256,sntrup761x25519-sha512,[email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c,[email protected]
debug2: host key algorithms:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256
debug2: ciphers ctos:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms:
mlkem768x25519-sha256,sntrup761x25519-sha512,[email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,ext-info-s,[email protected]
debug2: host key algorithms:
rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug3: kex_choose_conf: will use strict KEX ordering
debug1: kex: algorithm: mlkem768x25519-sha256
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: [email protected] MAC:
<implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC:
<implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: SSH2_MSG_KEX_ECDH_REPLY received
debug1: Server host key: ssh-ed25519
SHA256:KISxYDnYhDdE5furF1w2UZ15rU/LAIGtU0onOGm0HW0
debug3: record_hostkey: found key type ED25519 in file
/Users/sylvansab/.ssh/known_hosts:5
debug3: load_hostkeys_file: loaded 1 keys from lap
debug1: load_hostkeys: fopen /Users/sylvansab/.ssh/known_hosts2: No such
file or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or
directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or
directory
debug1: Host 'lap' is known and matches the ED25519 host key.
debug1: Found key in /Users/sylvansab/.ssh/known_hosts:5
debug3: send packet: type 21
debug1: ssh_packet_send2_wrapped: resetting send seqnr 3
debug2: ssh_set_newkeys: mode 1
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: Sending SSH2_MSG_EXT_INFO
debug3: send packet: type 7
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: ssh_packet_read_poll2: resetting read seqnr 3
debug1: SSH2_MSG_NEWKEYS received
debug2: ssh_set_newkeys: mode 0
debug1: rekey in after 134217728 blocks
debug2: KEX algorithms:
mlkem768x25519-sha256,sntrup761x25519-sha512,[email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c,[email protected]
debug2: host key algorithms:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256
debug2: ciphers ctos:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc:
[email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc:
[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug3: kex_input_ext_info: extension server-sig-algs
debug1: kex_ext_info_client_parse:
server-sig-algs=<ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256>
debug3: kex_input_ext_info: extension [email protected]
debug1: kex_ext_info_check_ver: [email protected]=<0>
debug3: kex_input_ext_info: extension [email protected]
debug1: kex_ext_info_check_ver: [email protected]=<0>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug3: kex_input_ext_info: extension server-sig-algs
debug1: kex_ext_info_client_parse:
server-sig-algs=<ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256>
debug3: receive packet: type 52
Authenticated to lap ([10.0.0.11]:22) using "none".
debug2: fd 6 setting O_NONBLOCK
debug1: channel 0: new session [client-session] (inactive timeout: 0)
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting [email protected]
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: filesystem
debug3: client_repledge: enter
Connection to lap closed by remote host.
debug3: send packet: type 1
debug1: channel 0: free: client-session, nchannels 1
debug3: channel 0: status: The following connections are open:
#0 client-session (t3 [session] nr0 nm0 i0/0 o0/0 e[write]/0 fd 6/7/8
sock -1 cc -1 nc0 io 0x00/0x00)
Transferred: sent 3072, received 2840 bytes, in 0.0 seconds
Bytes per second: sent 254262.5, received 235060.4
debug1: Exit status -1
got-fetch-pack: unexpected end of file
got: unexpected end of file
$
--
Sylvain Saboua
looking for a PDP-11
